Example #1
0
def addPgTaskToUrdfRobot(robot, solver):
    # --- ROBOT.PG INIT FRAMES ---
    robot.geom = DynamicPinocchio("geom")
    if hasattr(robot, 'jointMap'):
        for i in robot.jointMap:
            robot.geom.addJointMapping(i, robot.jointMap[i])
    pinocchioModel = se3.buildModelFromUrdf(robot.urdfFile)
    pinocchioData = pinocchioModel.createData()
    robot.geom.setModel(pinocchioModel)
    robot.geom.setData(pinocchioData)
Example #2
0
def addPgTaskToVRMLRobot(robot, solver):
    # --- ROBOT.PG INIT FRAMES ---
    robot.geom = DynamicPinocchio("geom")
    print("modelDir: ", robot.modelDir)
    print("modelName:", robot.modelName)
    print("specificitiesPath:", robot.specificitiesPath)
    # print("jointRankPath:",robot.jointRankPath)

    robot.geom.setFiles(robot.modelDir, robot.modelName,
                        robot.specificitiesPath, robot.jointRankPath)
    robot.geom.parse()
    def test_build_robot_from_string(self):

        with open(self.urdf_file_name, 'r') as urdf:
            urdfString = urdf.read()
        arobot = Robot("test_build_robot_from_string", urdfString=urdfString)

        # Test if the two vectors are identical:
        arobot.dynamic = DynamicPinocchio(self.name + "_dynamic")
        arobot.dynamic.setModel(arobot.pinocchioModel)
        arobot.dynamic.setData(arobot.pinocchioData)

        def get(s):
            s.recompute(0)
            return s.value

        loc_lowerJl=np.array(get(arobot.dynamic.lowerJl))
        pin_lowerJl=np.array(arobot.pinocchioModel.lowerPositionLimit[1:len(arobot.pinocchioModel.lowerPositionLimit
)])

        for i in range(0,len(loc_lowerJl),1):
            if not loc_lowerJl[i] == pin_lowerJl[i]:
                self.assertTrue(False,"lowerJl is not working")
Example #4
0
robot.m2qLF = MatrixHomoToPoseQuaternion('m2qLF')
plug(robot.dynamic.LF, robot.m2qLF.sin)
plug(robot.m2qLF.sout, robot.base_estimator.lf_ref_xyzquat)
robot.m2qRF = MatrixHomoToPoseQuaternion('m2qRF')
plug(robot.dynamic.RF, robot.m2qRF.sin)
plug(robot.m2qRF.sout, robot.base_estimator.rf_ref_xyzquat)

# robot.be_filters              = create_be_filters(robot, dt)

# --- Conversion
e2q = EulerToQuat('e2q')
plug(robot.base_estimator.q, e2q.euler)
robot.e2q = e2q

# --- Kinematic computations
robot.rdynamic = DynamicPinocchio("real_dynamics")
robot.rdynamic.setModel(robot.dynamic.model)
robot.rdynamic.setData(robot.rdynamic.model.createData())
plug(robot.base_estimator.q, robot.rdynamic.position)
robot.rdynamic.velocity.value = [0.0] * robotDim
robot.rdynamic.acceleration.value = [0.0] * robotDim

# --- CoM Estimation
cdc_estimator = DcmEstimator('cdc_estimator')
cdc_estimator.init(dt, robot_name)
plug(robot.e2q.quaternion, cdc_estimator.q)
plug(robot.base_estimator.v, cdc_estimator.v)
robot.cdc_estimator = cdc_estimator

# --- DCM Estimation
estimator = DummyDcmEstimator("dummy")
Example #5
0
def init_online_walking(robot):
    # 09.04.20 est a 100 dans dcmZmpControl_file, used to be 10
    cm_conf.CTRL_MAX = 1000.0  # temporary hack
    dt = robot.device.getTimeStep()
    robot.timeStep = dt

    # --- Pendulum parameters
    robot_name = 'robot'
    robot.dynamic.com.recompute(0)
    robotDim = robot.dynamic.getDimension()
    mass = robot.dynamic.data.mass[0]
    h = robot.dynamic.com.value[2]
    g = 9.81
    omega = sqrt(g / h)

    # --- Parameter server
    robot.param_server = create_parameter_server(param_server_conf, dt)

    # --- Initial feet and waist
    robot.dynamic.createOpPoint('LF', robot.OperationalPointsMap['left-ankle'])
    robot.dynamic.createOpPoint('RF',
                                robot.OperationalPointsMap['right-ankle'])
    robot.dynamic.createOpPoint('WT', robot.OperationalPointsMap['waist'])
    robot.dynamic.LF.recompute(0)
    robot.dynamic.RF.recompute(0)
    robot.dynamic.WT.recompute(0)

    # -------------------------- DESIRED TRAJECTORY --------------------------

    rospack = RosPack()

    # -------------------------- PATTERN GENERATOR --------------------------

    robot.pg = PatternGenerator('pg')

    # MODIFIED WITH MY PATHS
    talos_data_folder = rospack.get_path('talos_data')
    robot.pg.setURDFpath(talos_data_folder + '/urdf/talos_reduced_wpg.urdf')
    robot.pg.setSRDFpath(talos_data_folder + '/srdf/talos_wpg.srdf')
    ## END MODIFIED

    robot.pg.buildModel()

    robot.pg.parseCmd(":samplingperiod 0.005")
    robot.pg.parseCmd(":previewcontroltime 1.6")
    robot.pg.parseCmd(":omega 0.0")
    robot.pg.parseCmd(':stepheight 0.05')
    robot.pg.parseCmd(':doublesupporttime 0.2')
    robot.pg.parseCmd(':singlesupporttime 1.0')
    robot.pg.parseCmd(":armparameters 0.5")
    robot.pg.parseCmd(":LimitsFeasibility 0.0")
    robot.pg.parseCmd(":ZMPShiftParameters 0.015 0.015 0.015 0.015")
    robot.pg.parseCmd(":TimeDistributeParameters 2.0 3.5 1.7 3.0")
    robot.pg.parseCmd(":UpperBodyMotionParameters -0.1 -1.0 0.0")
    robot.pg.parseCmd(":comheight 0.876681")
    robot.pg.parseCmd(":setVelReference  0.1 0.0 0.0")

    robot.pg.parseCmd(":SetAlgoForZmpTrajectory Naveau")

    plug(robot.dynamic.position, robot.pg.position)
    plug(robot.dynamic.com, robot.pg.com)
    #plug(robot.dynamic.com, robot.pg.comStateSIN)
    plug(robot.dynamic.LF, robot.pg.leftfootcurrentpos)
    plug(robot.dynamic.RF, robot.pg.rightfootcurrentpos)
    robotDim = len(robot.dynamic.velocity.value)
    robot.pg.motorcontrol.value = robotDim * (0, )
    robot.pg.zmppreviouscontroller.value = (0, 0, 0)

    robot.pg.initState()

    robot.pg.parseCmd(':setDSFeetDistance 0.162')

    robot.pg.parseCmd(':NaveauOnline')
    robot.pg.parseCmd(':numberstepsbeforestop 2')
    robot.pg.parseCmd(':setfeetconstraint XY 0.091 0.0489')

    robot.pg.parseCmd(':deleteallobstacles')
    robot.pg.parseCmd(':feedBackControl false')
    robot.pg.parseCmd(':useDynamicFilter true')

    robot.pg.velocitydes.value = (0.1, 0.0, 0.0)  # DEFAULT VALUE (0.1,0.0,0.0)

    # -------------------------- TRIGGER --------------------------

    robot.triggerPG = BooleanIdentity('triggerPG')
    robot.triggerPG.sin.value = 0
    plug(robot.triggerPG.sout, robot.pg.trigger)

    # --------- Interface with controller entities -------------

    wp = DummyWalkingPatternGenerator('dummy_wp')
    wp.init()
    # #wp.displaySignals()
    wp.omega.value = omega

    # 22.04 after modifying pg.cpp, new way to try and connect the waist
    plug(robot.pg.waistattitudematrixabsolute, wp.waist)
    plug(robot.pg.leftfootref, wp.footLeft)
    plug(robot.pg.rightfootref, wp.footRight)
    plug(robot.pg.comref, wp.com)
    plug(robot.pg.dcomref, wp.vcom)
    plug(robot.pg.ddcomref, wp.acom)

    robot.wp = wp

    # --- Compute the values to use them in initialization
    robot.wp.comDes.recompute(0)
    robot.wp.dcmDes.recompute(0)
    robot.wp.zmpDes.recompute(0)

    ## END ADDED

    # -------------------------- ESTIMATION --------------------------

    # --- Base Estimation
    robot.device_filters = create_device_filters(robot, dt)
    robot.imu_filters = create_imu_filters(robot, dt)
    robot.base_estimator = create_base_estimator(robot, dt,
                                                 base_estimator_conf)

    robot.m2qLF = MatrixHomoToPoseQuaternion('m2qLF')
    plug(robot.dynamic.LF, robot.m2qLF.sin)
    plug(robot.m2qLF.sout, robot.base_estimator.lf_ref_xyzquat)
    robot.m2qRF = MatrixHomoToPoseQuaternion('m2qRF')
    plug(robot.dynamic.RF, robot.m2qRF.sin)
    plug(robot.m2qRF.sout, robot.base_estimator.rf_ref_xyzquat)

    # --- Conversion
    e2q = EulerToQuat('e2q')
    plug(robot.base_estimator.q, e2q.euler)
    robot.e2q = e2q

    # --- Kinematic computations
    robot.rdynamic = DynamicPinocchio("real_dynamics")
    robot.rdynamic.setModel(robot.dynamic.model)
    robot.rdynamic.setData(robot.rdynamic.model.createData())
    plug(robot.base_estimator.q, robot.rdynamic.position)
    robot.rdynamic.velocity.value = [0.0] * robotDim
    robot.rdynamic.acceleration.value = [0.0] * robotDim

    # --- CoM Estimation
    cdc_estimator = DcmEstimator('cdc_estimator')
    cdc_estimator.init(dt, robot_name)
    plug(robot.e2q.quaternion, cdc_estimator.q)
    plug(robot.base_estimator.v, cdc_estimator.v)
    robot.cdc_estimator = cdc_estimator

    # --- DCM Estimation
    estimator = DummyDcmEstimator("dummy")
    estimator.omega.value = omega
    estimator.mass.value = 1.0
    plug(robot.cdc_estimator.c, estimator.com)
    plug(robot.cdc_estimator.dc, estimator.momenta)
    estimator.init()
    robot.estimator = estimator

    # --- Force calibration
    robot.ftc = create_ft_calibrator(robot, ft_conf)

    # --- ZMP estimation
    zmp_estimator = SimpleZmpEstimator("zmpEst")
    robot.rdynamic.createOpPoint('sole_LF', 'left_sole_link')
    robot.rdynamic.createOpPoint('sole_RF', 'right_sole_link')
    plug(robot.rdynamic.sole_LF, zmp_estimator.poseLeft)
    plug(robot.rdynamic.sole_RF, zmp_estimator.poseRight)
    plug(robot.ftc.left_foot_force_out, zmp_estimator.wrenchLeft)
    plug(robot.ftc.right_foot_force_out, zmp_estimator.wrenchRight)
    zmp_estimator.init()
    robot.zmp_estimator = zmp_estimator

    # -------------------------- ADMITTANCE CONTROL --------------------------

    # --- DCM controller
    Kp_dcm = [8.0] * 3
    Ki_dcm = [0.0, 0.0, 0.0]  # zero (to be set later)
    gamma_dcm = 0.2

    dcm_controller = DcmController("dcmCtrl")

    dcm_controller.Kp.value = Kp_dcm
    dcm_controller.Ki.value = Ki_dcm
    dcm_controller.decayFactor.value = gamma_dcm
    dcm_controller.mass.value = mass
    dcm_controller.omega.value = omega

    plug(robot.cdc_estimator.c, dcm_controller.com)
    plug(robot.estimator.dcm, dcm_controller.dcm)

    plug(robot.wp.zmpDes, dcm_controller.zmpDes)
    plug(robot.wp.dcmDes, dcm_controller.dcmDes)

    dcm_controller.init(dt)

    robot.dcm_control = dcm_controller

    Ki_dcm = [1.0, 1.0, 1.0]  # this value is employed later

    # --- CoM admittance controller
    Kp_adm = [0.0, 0.0, 0.0]  # zero (to be set later)

    com_admittance_control = ComAdmittanceController("comAdmCtrl")
    com_admittance_control.Kp.value = Kp_adm
    plug(robot.zmp_estimator.zmp, com_admittance_control.zmp)
    com_admittance_control.zmpDes.value = robot.wp.zmpDes.value
    # should be plugged to robot.dcm_control.zmpRef
    plug(robot.wp.acomDes, com_admittance_control.ddcomDes)

    com_admittance_control.init(dt)
    com_admittance_control.setState(robot.wp.comDes.value, [0.0, 0.0, 0.0])

    robot.com_admittance_control = com_admittance_control

    Kp_adm = [15.0, 15.0, 0.0]  # this value is employed later

    # --- Control Manager
    robot.cm = create_ctrl_manager(cm_conf, dt, robot_name='robot')
    robot.cm.addCtrlMode('sot_input')
    robot.cm.setCtrlMode('all', 'sot_input')
    robot.cm.addEmergencyStopSIN('zmp')

    # -------------------------- SOT CONTROL --------------------------

    # --- Upper body
    robot.taskUpperBody = Task('task_upper_body')
    robot.taskUpperBody.feature = FeaturePosture('feature_upper_body')

    q = list(robot.dynamic.position.value)
    robot.taskUpperBody.feature.state.value = q
    robot.taskUpperBody.feature.posture.value = q

    robot.taskUpperBody.feature.selectDof(18, True)
    robot.taskUpperBody.feature.selectDof(19, True)
    robot.taskUpperBody.feature.selectDof(20, True)
    robot.taskUpperBody.feature.selectDof(21, True)
    robot.taskUpperBody.feature.selectDof(22, True)
    robot.taskUpperBody.feature.selectDof(23, True)
    robot.taskUpperBody.feature.selectDof(24, True)
    robot.taskUpperBody.feature.selectDof(25, True)
    robot.taskUpperBody.feature.selectDof(26, True)
    robot.taskUpperBody.feature.selectDof(27, True)
    robot.taskUpperBody.feature.selectDof(28, True)
    robot.taskUpperBody.feature.selectDof(29, True)
    robot.taskUpperBody.feature.selectDof(30, True)
    robot.taskUpperBody.feature.selectDof(31, True)
    robot.taskUpperBody.feature.selectDof(32, True)
    robot.taskUpperBody.feature.selectDof(33, True)
    robot.taskUpperBody.feature.selectDof(34, True)
    robot.taskUpperBody.feature.selectDof(35, True)
    robot.taskUpperBody.feature.selectDof(36, True)
    robot.taskUpperBody.feature.selectDof(37, True)

    robot.taskUpperBody.controlGain.value = 100.0
    robot.taskUpperBody.add(robot.taskUpperBody.feature.name)
    plug(robot.dynamic.position, robot.taskUpperBody.feature.state)

    # --- CONTACTS
    robot.contactLF = MetaTaskKine6d('contactLF', robot.dynamic, 'LF',
                                     robot.OperationalPointsMap['left-ankle'])
    robot.contactLF.feature.frame('desired')
    robot.contactLF.gain.setConstant(300)
    plug(robot.wp.footLeftDes, robot.contactLF.featureDes.position)  #.errorIN?
    locals()['contactLF'] = robot.contactLF

    robot.contactRF = MetaTaskKine6d('contactRF', robot.dynamic, 'RF',
                                     robot.OperationalPointsMap['right-ankle'])
    robot.contactRF.feature.frame('desired')
    robot.contactRF.gain.setConstant(300)
    plug(robot.wp.footRightDes,
         robot.contactRF.featureDes.position)  #.errorIN?
    locals()['contactRF'] = robot.contactRF

    # --- COM height
    robot.taskComH = MetaTaskKineCom(robot.dynamic, name='comH')
    plug(robot.wp.comDes, robot.taskComH.featureDes.errorIN)
    robot.taskComH.task.controlGain.value = 100.
    robot.taskComH.feature.selec.value = '100'

    # --- COM
    robot.taskCom = MetaTaskKineCom(robot.dynamic)
    plug(robot.com_admittance_control.comRef, robot.taskCom.featureDes.errorIN)
    plug(robot.com_admittance_control.dcomRef,
         robot.taskCom.featureDes.errordotIN)
    robot.taskCom.task.controlGain.value = 0
    robot.taskCom.task.setWithDerivative(True)
    robot.taskCom.feature.selec.value = '011'

    # --- Waist

    robot.keepWaist = MetaTaskKine6d('keepWaist', robot.dynamic, 'WT',
                                     robot.OperationalPointsMap['waist'])
    robot.keepWaist.feature.frame('desired')
    robot.keepWaist.gain.setConstant(300)
    plug(robot.wp.waistDes, robot.keepWaist.featureDes.position)  #de base
    robot.keepWaist.feature.selec.value = '111000'
    locals()['keepWaist'] = robot.keepWaist

    # --- SOT solver
    robot.sot = SOT('sot')
    robot.sot.setSize(robot.dynamic.getDimension())

    # --- Plug SOT control to device through control manager
    plug(robot.sot.control, robot.cm.ctrl_sot_input)
    plug(robot.cm.u_safe, robot.device.control)

    robot.sot.push(robot.taskUpperBody.name)
    robot.sot.push(robot.contactRF.task.name)
    robot.sot.push(robot.contactLF.task.name)
    robot.sot.push(robot.taskComH.task.name)
    robot.sot.push(robot.taskCom.task.name)
    robot.sot.push(robot.keepWaist.task.name)

    # --- Fix robot.dynamic inputs
    plug(robot.device.velocity, robot.dynamic.velocity)
    robot.dvdt = Derivator_of_Vector("dv_dt")
    robot.dvdt.dt.value = dt
    plug(robot.device.velocity, robot.dvdt.sin)
    plug(robot.dvdt.sout, robot.dynamic.acceleration)

    # -------------------------- PLOTS --------------------------

    # --- ROS PUBLISHER

    ## THIS PARAGRAPH QUITE DIFFERENT, TO CHECK

    robot.publisher = create_rospublish(robot, 'robot_publisher')

    ## ADDED
    create_topic(robot.publisher,
                 robot.pg,
                 'comref',
                 robot=robot,
                 data_type='vector')  # desired CoM
    create_topic(robot.publisher,
                 robot.pg,
                 'dcomref',
                 robot=robot,
                 data_type='vector')

    create_topic(robot.publisher,
                 robot.wp,
                 'waist',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.keepWaist.featureDes,
                 'position',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.dynamic,
                 'WT',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.pg,
                 'waistattitudematrixabsolute',
                 robot=robot,
                 data_type='matrixHomo')  ## que font ces lignes exactement ??

    create_topic(robot.publisher,
                 robot.pg,
                 'leftfootref',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.wp,
                 'footLeft',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.pg,
                 'rightfootref',
                 robot=robot,
                 data_type='matrixHomo')
    create_topic(robot.publisher,
                 robot.wp,
                 'footRight',
                 robot=robot,
                 data_type='matrixHomo')

    ## --- TRACER
    robot.tracer = TracerRealTime("com_tracer")
    robot.tracer.setBufferSize(80 * (2**20))
    robot.tracer.open('/tmp', 'dg_', '.dat')

    robot.device.after.addSignal('{0}.triger'.format(robot.tracer.name))

    addTrace(robot.tracer, robot.pg, 'waistattitudeabsolute')
    # fin

    addTrace(robot.tracer, robot.wp, 'comDes')  # desired CoM

    addTrace(robot.tracer, robot.cdc_estimator, 'c')  # estimated CoM
    addTrace(robot.tracer, robot.cdc_estimator, 'dc')  # estimated CoM velocity

    addTrace(robot.tracer, robot.pg, 'comref')
    addTrace(robot.tracer, robot.pg, 'dcomref')
    addTrace(robot.tracer, robot.pg, 'ddcomref')

    addTrace(robot.tracer, robot.pg, 'rightfootref')
    addTrace(robot.tracer, robot.pg, 'leftfootref')

    addTrace(robot.tracer, robot.pg, 'rightfootcontact')
    addTrace(robot.tracer, robot.pg, 'leftfootcontact')
    addTrace(robot.tracer, robot.pg, 'SupportFoot')

    addTrace(robot.tracer, robot.dynamic, 'com')  # resulting SOT CoM
    addTrace(robot.tracer, robot.dynamic, 'LF')  # left foot
    addTrace(robot.tracer, robot.dynamic, 'RF')  # right foot

    robot.tracer.start()
def init_sot_talos_balance(robot, test_folder):
    cm_conf.CTRL_MAX = 1000.0  # temporary hack
    dt = robot.device.getTimeStep()
    robot.timeStep = dt

    # --- Pendulum parameters
    robot_name = 'robot'
    robot.dynamic.com.recompute(0)
    robotDim = robot.dynamic.getDimension()
    mass = robot.dynamic.data.mass[0]
    h = robot.dynamic.com.value[2]
    g = 9.81
    omega = sqrt(g / h)

    # --- Parameter server
    robot.param_server = create_parameter_server(param_server_conf, dt)

    # --- Initial feet and waist
    robot.dynamic.createOpPoint('LF', robot.OperationalPointsMap['left-ankle'])
    robot.dynamic.createOpPoint('RF',
                                robot.OperationalPointsMap['right-ankle'])
    robot.dynamic.createOpPoint('WT', robot.OperationalPointsMap['waist'])
    robot.dynamic.LF.recompute(0)
    robot.dynamic.RF.recompute(0)
    robot.dynamic.WT.recompute(0)

    # -------------------------- DESIRED TRAJECTORY --------------------------

    rospack = RosPack()

    data_folder = rospack.get_path('sot-talos-balance') + "/data/"
    folder = data_folder + test_folder + '/'

    # --- Trajectory generators

    # --- General trigger
    robot.triggerTrajGen = BooleanIdentity('triggerTrajGen')
    robot.triggerTrajGen.sin.value = 0

    # --- CoM
    robot.comTrajGen = create_com_trajectory_generator(dt, robot)
    robot.comTrajGen.x.recompute(0)  # trigger computation of initial value
    robot.comTrajGen.playTrajectoryFile(folder + 'CoM.dat')
    plug(robot.triggerTrajGen.sout, robot.comTrajGen.trigger)

    # --- Left foot
    robot.lfTrajGen = create_pose_rpy_trajectory_generator(dt, robot, 'LF')
    robot.lfTrajGen.x.recompute(0)  # trigger computation of initial value

    robot.lfToMatrix = PoseRollPitchYawToMatrixHomo('lf2m')
    plug(robot.lfTrajGen.x, robot.lfToMatrix.sin)
    robot.lfTrajGen.playTrajectoryFile(folder + 'LeftFoot.dat')
    plug(robot.triggerTrajGen.sout, robot.lfTrajGen.trigger)

    # --- Right foot
    robot.rfTrajGen = create_pose_rpy_trajectory_generator(dt, robot, 'RF')
    robot.rfTrajGen.x.recompute(0)  # trigger computation of initial value

    robot.rfToMatrix = PoseRollPitchYawToMatrixHomo('rf2m')
    plug(robot.rfTrajGen.x, robot.rfToMatrix.sin)
    robot.rfTrajGen.playTrajectoryFile(folder + 'RightFoot.dat')
    plug(robot.triggerTrajGen.sout, robot.rfTrajGen.trigger)

    # --- ZMP
    robot.zmpTrajGen = create_zmp_trajectory_generator(dt, robot)
    robot.zmpTrajGen.x.recompute(0)  # trigger computation of initial value
    # robot.zmpTrajGen.playTrajectoryFile(folder + 'ZMP.dat')
    plug(robot.triggerTrajGen.sout, robot.zmpTrajGen.trigger)

    # --- Waist
    robot.waistTrajGen = create_orientation_rpy_trajectory_generator(
        dt, robot, 'WT')
    robot.waistTrajGen.x.recompute(0)  # trigger computation of initial value

    robot.waistMix = Mix_of_vector("waistMix")
    robot.waistMix.setSignalNumber(3)
    robot.waistMix.addSelec(1, 0, 3)
    robot.waistMix.addSelec(2, 3, 3)
    robot.waistMix.default.value = [0.0] * 6
    robot.waistMix.signal("sin1").value = [0.0] * 3
    plug(robot.waistTrajGen.x, robot.waistMix.signal("sin2"))

    robot.waistToMatrix = PoseRollPitchYawToMatrixHomo('w2m')
    plug(robot.waistMix.sout, robot.waistToMatrix.sin)
    robot.waistTrajGen.playTrajectoryFile(folder + 'WaistOrientation.dat')
    plug(robot.triggerTrajGen.sout, robot.waistTrajGen.trigger)

    # --- Interface with controller entities

    wp = DummyWalkingPatternGenerator('dummy_wp')
    wp.init()
    wp.omega.value = omega
    #wp.waist.value = robot.dynamic.WT.value          # wait receives a full homogeneous matrix, but only the rotational part is controlled
    #wp.footLeft.value = robot.dynamic.LF.value
    #wp.footRight.value = robot.dynamic.RF.value
    #wp.com.value  = robot.dynamic.com.value
    #wp.vcom.value = [0.]*3
    #wp.acom.value = [0.]*3
    plug(robot.waistToMatrix.sout, wp.waist)
    plug(robot.lfToMatrix.sout, wp.footLeft)
    plug(robot.rfToMatrix.sout, wp.footRight)
    plug(robot.comTrajGen.x, wp.com)
    plug(robot.comTrajGen.dx, wp.vcom)
    plug(robot.comTrajGen.ddx, wp.acom)
    #plug(robot.zmpTrajGen.x, wp.zmp)

    robot.wp = wp

    # --- Compute the values to use them in initialization
    robot.wp.comDes.recompute(0)
    robot.wp.dcmDes.recompute(0)
    robot.wp.zmpDes.recompute(0)

    # -------------------------- ESTIMATION --------------------------

    # --- Base Estimation
    robot.device_filters = create_device_filters(robot, dt)
    robot.imu_filters = create_imu_filters(robot, dt)
    robot.base_estimator = create_base_estimator(robot, dt,
                                                 base_estimator_conf)

    robot.m2qLF = MatrixHomoToPoseQuaternion('m2qLF')
    plug(robot.dynamic.LF, robot.m2qLF.sin)
    plug(robot.m2qLF.sout, robot.base_estimator.lf_ref_xyzquat)
    robot.m2qRF = MatrixHomoToPoseQuaternion('m2qRF')
    plug(robot.dynamic.RF, robot.m2qRF.sin)
    plug(robot.m2qRF.sout, robot.base_estimator.rf_ref_xyzquat)

    # --- Conversion
    e2q = EulerToQuat('e2q')
    plug(robot.base_estimator.q, e2q.euler)
    robot.e2q = e2q

    # --- Kinematic computations
    robot.rdynamic = DynamicPinocchio("real_dynamics")
    robot.rdynamic.setModel(robot.dynamic.model)
    robot.rdynamic.setData(robot.rdynamic.model.createData())
    plug(robot.base_estimator.q, robot.rdynamic.position)
    robot.rdynamic.velocity.value = [0.0] * robotDim
    robot.rdynamic.acceleration.value = [0.0] * robotDim

    # --- CoM Estimation
    cdc_estimator = DcmEstimator('cdc_estimator')
    cdc_estimator.init(dt, robot_name)
    plug(robot.e2q.quaternion, cdc_estimator.q)
    plug(robot.base_estimator.v, cdc_estimator.v)
    robot.cdc_estimator = cdc_estimator

    # --- DCM Estimation
    estimator = DummyDcmEstimator("dummy")
    estimator.omega.value = omega
    estimator.mass.value = 1.0
    plug(robot.cdc_estimator.c, estimator.com)
    plug(robot.cdc_estimator.dc, estimator.momenta)
    estimator.init()
    robot.estimator = estimator

    # --- Force calibration
    robot.ftc = create_ft_calibrator(robot, ft_conf)

    # --- ZMP estimation
    zmp_estimator = SimpleZmpEstimator("zmpEst")
    robot.rdynamic.createOpPoint('sole_LF', 'left_sole_link')
    robot.rdynamic.createOpPoint('sole_RF', 'right_sole_link')
    plug(robot.rdynamic.sole_LF, zmp_estimator.poseLeft)
    plug(robot.rdynamic.sole_RF, zmp_estimator.poseRight)
    plug(robot.ftc.left_foot_force_out, zmp_estimator.wrenchLeft)
    plug(robot.ftc.right_foot_force_out, zmp_estimator.wrenchRight)
    zmp_estimator.init()
    robot.zmp_estimator = zmp_estimator

    # -------------------------- ADMITTANCE CONTROL --------------------------

    # --- DCM controller
    Kp_dcm = [8.0] * 3
    Ki_dcm = [0.0, 0.0, 0.0]  # zero (to be set later)
    gamma_dcm = 0.2

    dcm_controller = DcmController("dcmCtrl")

    dcm_controller.Kp.value = Kp_dcm
    dcm_controller.Ki.value = Ki_dcm
    dcm_controller.decayFactor.value = gamma_dcm
    dcm_controller.mass.value = mass
    dcm_controller.omega.value = omega

    plug(robot.cdc_estimator.c, dcm_controller.com)
    plug(robot.estimator.dcm, dcm_controller.dcm)

    plug(robot.wp.zmpDes, dcm_controller.zmpDes)
    plug(robot.wp.dcmDes, dcm_controller.dcmDes)

    dcm_controller.init(dt)

    robot.dcm_control = dcm_controller

    Ki_dcm = [1.0, 1.0, 1.0]  # this value is employed later

    # --- CoM admittance controller
    Kp_adm = [0.0, 0.0, 0.0]  # zero (to be set later)

    com_admittance_control = ComAdmittanceController("comAdmCtrl")
    com_admittance_control.Kp.value = Kp_adm
    plug(robot.zmp_estimator.zmp, com_admittance_control.zmp)
    com_admittance_control.zmpDes.value = robot.wp.zmpDes.value  # should be plugged to robot.dcm_control.zmpRef
    plug(robot.wp.acomDes, com_admittance_control.ddcomDes)

    com_admittance_control.init(dt)
    com_admittance_control.setState(robot.wp.comDes.value, [0.0, 0.0, 0.0])

    robot.com_admittance_control = com_admittance_control

    # --- Control Manager
    robot.cm = create_ctrl_manager(cm_conf, dt, robot_name='robot')
    robot.cm.addCtrlMode('sot_input')
    robot.cm.setCtrlMode('all', 'sot_input')
    robot.cm.addEmergencyStopSIN('zmp')

    # -------------------------- SOT CONTROL --------------------------

    # --- Upper body
    robot.taskUpperBody = Task('task_upper_body')
    robot.taskUpperBody.feature = FeaturePosture('feature_upper_body')

    q = list(robot.dynamic.position.value)
    robot.taskUpperBody.feature.state.value = q
    robot.taskUpperBody.feature.posture.value = q

    # robotDim = robot.dynamic.getDimension() # 38
    robot.taskUpperBody.feature.selectDof(18, True)
    robot.taskUpperBody.feature.selectDof(19, True)
    robot.taskUpperBody.feature.selectDof(20, True)
    robot.taskUpperBody.feature.selectDof(21, True)
    robot.taskUpperBody.feature.selectDof(22, True)
    robot.taskUpperBody.feature.selectDof(23, True)
    robot.taskUpperBody.feature.selectDof(24, True)
    robot.taskUpperBody.feature.selectDof(25, True)
    robot.taskUpperBody.feature.selectDof(26, True)
    robot.taskUpperBody.feature.selectDof(27, True)
    robot.taskUpperBody.feature.selectDof(28, True)
    robot.taskUpperBody.feature.selectDof(29, True)
    robot.taskUpperBody.feature.selectDof(30, True)
    robot.taskUpperBody.feature.selectDof(31, True)
    robot.taskUpperBody.feature.selectDof(32, True)
    robot.taskUpperBody.feature.selectDof(33, True)
    robot.taskUpperBody.feature.selectDof(34, True)
    robot.taskUpperBody.feature.selectDof(35, True)
    robot.taskUpperBody.feature.selectDof(36, True)
    robot.taskUpperBody.feature.selectDof(37, True)

    robot.taskUpperBody.controlGain.value = 100.0
    robot.taskUpperBody.add(robot.taskUpperBody.feature.name)
    plug(robot.dynamic.position, robot.taskUpperBody.feature.state)

    # --- CONTACTS
    #define contactLF and contactRF
    robot.contactLF = MetaTaskKine6d('contactLF', robot.dynamic, 'LF',
                                     robot.OperationalPointsMap['left-ankle'])
    robot.contactLF.feature.frame('desired')
    robot.contactLF.gain.setConstant(300)
    plug(robot.wp.footLeftDes, robot.contactLF.featureDes.position)  #.errorIN?
    locals()['contactLF'] = robot.contactLF

    robot.contactRF = MetaTaskKine6d('contactRF', robot.dynamic, 'RF',
                                     robot.OperationalPointsMap['right-ankle'])
    robot.contactRF.feature.frame('desired')
    robot.contactRF.gain.setConstant(300)
    plug(robot.wp.footRightDes,
         robot.contactRF.featureDes.position)  #.errorIN?
    locals()['contactRF'] = robot.contactRF

    # --- COM height
    robot.taskComH = MetaTaskKineCom(robot.dynamic, name='comH')
    plug(robot.wp.comDes, robot.taskComH.featureDes.errorIN)
    robot.taskComH.task.controlGain.value = 100.
    robot.taskComH.feature.selec.value = '100'

    # --- COM
    robot.taskCom = MetaTaskKineCom(robot.dynamic)
    plug(robot.com_admittance_control.comRef, robot.taskCom.featureDes.errorIN)
    plug(robot.com_admittance_control.dcomRef,
         robot.taskCom.featureDes.errordotIN)
    robot.taskCom.task.controlGain.value = 0
    robot.taskCom.task.setWithDerivative(True)
    robot.taskCom.feature.selec.value = '011'

    # --- Waist
    robot.keepWaist = MetaTaskKine6d('keepWaist', robot.dynamic, 'WT',
                                     robot.OperationalPointsMap['waist'])
    robot.keepWaist.feature.frame('desired')
    robot.keepWaist.gain.setConstant(300)
    plug(robot.wp.waistDes, robot.keepWaist.featureDes.position)
    robot.keepWaist.feature.selec.value = '111000'
    locals()['keepWaist'] = robot.keepWaist

    # --- SOT solver
    robot.sot = SOT('sot')
    robot.sot.setSize(robot.dynamic.getDimension())

    # --- Plug SOT control to device through control manager
    plug(robot.sot.control, robot.cm.ctrl_sot_input)
    plug(robot.cm.u_safe, robot.device.control)

    robot.sot.push(robot.taskUpperBody.name)
    robot.sot.push(robot.contactRF.task.name)
    robot.sot.push(robot.contactLF.task.name)
    robot.sot.push(robot.taskComH.task.name)
    robot.sot.push(robot.taskCom.task.name)
    robot.sot.push(robot.keepWaist.task.name)

    # --- Fix robot.dynamic inputs
    plug(robot.device.velocity, robot.dynamic.velocity)
    robot.dvdt = Derivator_of_Vector("dv_dt")
    robot.dvdt.dt.value = dt
    plug(robot.device.velocity, robot.dvdt.sin)
    plug(robot.dvdt.sout, robot.dynamic.acceleration)

    # -------------------------- PLOTS --------------------------

    # --- ROS PUBLISHER
    robot.publisher = create_rospublish(robot, 'robot_publisher')

    create_topic(robot.publisher,
                 robot.device,
                 'state',
                 robot=robot,
                 data_type='vector')
    create_topic(robot.publisher,
                 robot.base_estimator,
                 'q',
                 robot=robot,
                 data_type='vector')
    #create_topic(robot.publisher, robot.stf, 'q', robot = robot, data_type='vector')

    create_topic(robot.publisher,
                 robot.comTrajGen,
                 'x',
                 robot=robot,
                 data_type='vector')  # generated CoM
    create_topic(robot.publisher,
                 robot.comTrajGen,
                 'dx',
                 robot=robot,
                 data_type='vector')  # generated CoM velocity
    create_topic(robot.publisher,
                 robot.comTrajGen,
                 'ddx',
                 robot=robot,
                 data_type='vector')  # generated CoM acceleration

    create_topic(robot.publisher,
                 robot.wp,
                 'comDes',
                 robot=robot,
                 data_type='vector')  # desired CoM

    create_topic(robot.publisher,
                 robot.cdc_estimator,
                 'c',
                 robot=robot,
                 data_type='vector')  # estimated CoM
    create_topic(robot.publisher,
                 robot.cdc_estimator,
                 'dc',
                 robot=robot,
                 data_type='vector')  # estimated CoM velocity

    create_topic(robot.publisher,
                 robot.com_admittance_control,
                 'comRef',
                 robot=robot,
                 data_type='vector')  # reference CoM
    create_topic(robot.publisher,
                 robot.dynamic,
                 'com',
                 robot=robot,
                 data_type='vector')  # resulting SOT CoM

    create_topic(robot.publisher,
                 robot.dcm_control,
                 'dcmDes',
                 robot=robot,
                 data_type='vector')  # desired DCM
    create_topic(robot.publisher,
                 robot.estimator,
                 'dcm',
                 robot=robot,
                 data_type='vector')  # estimated DCM

    create_topic(robot.publisher,
                 robot.zmpTrajGen,
                 'x',
                 robot=robot,
                 data_type='vector')  # generated ZMP
    create_topic(robot.publisher,
                 robot.wp,
                 'zmpDes',
                 robot=robot,
                 data_type='vector')  # desired ZMP
    create_topic(robot.publisher,
                 robot.dynamic,
                 'zmp',
                 robot=robot,
                 data_type='vector')  # SOT ZMP
    create_topic(robot.publisher,
                 robot.zmp_estimator,
                 'zmp',
                 robot=robot,
                 data_type='vector')  # estimated ZMP
    create_topic(robot.publisher,
                 robot.dcm_control,
                 'zmpRef',
                 robot=robot,
                 data_type='vector')  # reference ZMP

    create_topic(robot.publisher,
                 robot.waistTrajGen,
                 'x',
                 robot=robot,
                 data_type='vector')  # desired waist orientation

    create_topic(robot.publisher,
                 robot.lfTrajGen,
                 'x',
                 robot=robot,
                 data_type='vector')  # desired left foot pose
    create_topic(robot.publisher,
                 robot.rfTrajGen,
                 'x',
                 robot=robot,
                 data_type='vector')  # desired right foot pose

    create_topic(robot.publisher,
                 robot.ftc,
                 'left_foot_force_out',
                 robot=robot,
                 data_type='vector')  # calibrated left wrench
    create_topic(robot.publisher,
                 robot.ftc,
                 'right_foot_force_out',
                 robot=robot,
                 data_type='vector')  # calibrated right wrench

    create_topic(robot.publisher,
                 robot.dynamic,
                 'LF',
                 robot=robot,
                 data_type='matrixHomo')  # left foot
    create_topic(robot.publisher,
                 robot.dynamic,
                 'RF',
                 robot=robot,
                 data_type='matrixHomo')  # right foot

    # --- TRACER
    robot.tracer = TracerRealTime("com_tracer")
    robot.tracer.setBufferSize(80 * (2**20))
    robot.tracer.open('/tmp', 'dg_', '.dat')
    robot.device.after.addSignal('{0}.triger'.format(robot.tracer.name))

    addTrace(robot.tracer, robot.wp, 'comDes')  # desired CoM

    addTrace(robot.tracer, robot.cdc_estimator, 'c')  # estimated CoM
    addTrace(robot.tracer, robot.cdc_estimator, 'dc')  # estimated CoM velocity

    addTrace(robot.tracer, robot.com_admittance_control,
             'comRef')  # reference CoM
    addTrace(robot.tracer, robot.dynamic, 'com')  # resulting SOT CoM

    addTrace(robot.tracer, robot.dcm_control, 'dcmDes')  # desired DCM
    addTrace(robot.tracer, robot.estimator, 'dcm')  # estimated DCM

    addTrace(robot.tracer, robot.dcm_control, 'zmpDes')  # desired ZMP
    addTrace(robot.tracer, robot.dynamic, 'zmp')  # SOT ZMP
    addTrace(robot.tracer, robot.zmp_estimator, 'zmp')  # estimated ZMP
    addTrace(robot.tracer, robot.dcm_control, 'zmpRef')  # reference ZMP

    addTrace(robot.tracer, robot.ftc,
             'left_foot_force_out')  # calibrated left wrench
    addTrace(robot.tracer, robot.ftc,
             'right_foot_force_out')  # calibrated right wrench

    addTrace(robot.tracer, robot.dynamic, 'LF')  # left foot
    addTrace(robot.tracer, robot.dynamic, 'RF')  # right foot

    robot.tracer.start()
Example #7
0
    def __init__(self, robotName, device=None, tracer=None, with_wheels=True, fromRosParam=False):
        self.OperationalPointsMap = {
            'wrist': 'arm_7_joint',
            'right-wheel': 'wheel_right_joint',
            'left-wheel': 'wheel_left_joint',
            'mobilebase': 'root_joint',
            'footprint': 'base_footprint_joint',
            'gaze': 'head_2_joint',
        }

        if fromRosParam:
            print("Using ROS parameter \"/robot_description\"")
            rosParamName = "/robot_description"
            import rospy
            if rosParamName not in rospy.get_param_names():
                raise RuntimeError('"' + rosParamName + '" is not a ROS parameter.')
            s = rospy.get_param(rosParamName)

            self.loadModelFromString(s, rootJointType=pinocchio.JointModelFreeFlyer,
                    removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                    rootJointType=pinocchio.JointModelFreeFlyer,
                    removeMimicJoints=True)

        # Clean the robot model. Remove:
        # - caster joints
        # - suspension joints
        # - for hey5 hands, remove every hand_* joints except hand_thumb_joint,
        #   hand_index_joint and hand_mrl_joint (mrl = middle, ring, little)
        jointsToRemove = []
        for name in self.pinocchioModel.names:
            if not with_wheels and name.startswith("wheel_"):
                jointsToRemove.append(name)
            elif name.startswith('caster'):
                jointsToRemove.append(name)
            elif name.startswith('suspension'):
                jointsToRemove.append(name)
            elif name.startswith('hand_') and \
                    name not in ("hand_thumb_joint", "hand_index_joint", "hand_mrl_joint"):
                jointsToRemove.append(name)

        print("Removing joints " + ", ".join(jointsToRemove))
        self.removeJoints(jointsToRemove)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        AbstractRobot.__init__(self, robotName, tracer)

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.device = device
        self.initializeRobot()

        # Create operational points based on operational points map (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()
Example #8
0
class Tiago(AbstractRobot):
    """
    This class defines a Tiago robot
    """

    defaultFilename = "package://tiago_data/robots/tiago_steel.urdf"

    def defineHalfSitting(self, q):
        """
        q is the configuration to fill.

        When this function is called, the attribute pinocchioModel has been filled.
        """
        model = self.pinocchioModel
        # set arm position
        self.setJointValueInConfig(q,
                [ "arm_{}_joint".format(i+1) for i in range(7) ],
                (0., -1.569796, -1.569796, 2.355194, 0., 0., 0.,))

    def __init__(self, robotName, device=None, tracer=None, with_wheels=True, fromRosParam=False):
        self.OperationalPointsMap = {
            'wrist': 'arm_7_joint',
            'right-wheel': 'wheel_right_joint',
            'left-wheel': 'wheel_left_joint',
            'mobilebase': 'root_joint',
            'footprint': 'base_footprint_joint',
            'gaze': 'head_2_joint',
        }

        if fromRosParam:
            print("Using ROS parameter \"/robot_description\"")
            rosParamName = "/robot_description"
            import rospy
            if rosParamName not in rospy.get_param_names():
                raise RuntimeError('"' + rosParamName + '" is not a ROS parameter.')
            s = rospy.get_param(rosParamName)

            self.loadModelFromString(s, rootJointType=pinocchio.JointModelFreeFlyer,
                    removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                    rootJointType=pinocchio.JointModelFreeFlyer,
                    removeMimicJoints=True)

        # Clean the robot model. Remove:
        # - caster joints
        # - suspension joints
        # - for hey5 hands, remove every hand_* joints except hand_thumb_joint,
        #   hand_index_joint and hand_mrl_joint (mrl = middle, ring, little)
        jointsToRemove = []
        for name in self.pinocchioModel.names:
            if not with_wheels and name.startswith("wheel_"):
                jointsToRemove.append(name)
            elif name.startswith('caster'):
                jointsToRemove.append(name)
            elif name.startswith('suspension'):
                jointsToRemove.append(name)
            elif name.startswith('hand_') and \
                    name not in ("hand_thumb_joint", "hand_index_joint", "hand_mrl_joint"):
                jointsToRemove.append(name)

        print("Removing joints " + ", ".join(jointsToRemove))
        self.removeJoints(jointsToRemove)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        AbstractRobot.__init__(self, robotName, tracer)

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.device = device
        self.initializeRobot()

        # Create operational points based on operational points map (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()

    def setClosedLoop(self, closedLoop):
        if closedLoop:
            plug(self.device.robotState, self.dynamic.position)
            self.device.setClosedLoop(True)
        else:
            plug(self.device.state, self.dynamic.position)
            self.device.setClosedLoop(False)

    def _initialize(self):
        AbstractRobot._initialize(self)
        self.OperationalPoints.extend(['wrist', 'left-wheel', 'right-wheel', 'footprint', 'mobilebase', 'gaze'])
Example #9
0
    def __init__(self, name, device=None, tracer=None, fromRosParam=False):
        self.OperationalPointsMap = {
            'left-wrist': 'arm_left_7_joint',
            'right-wrist': 'arm_right_7_joint',
            'left-ankle': 'leg_left_6_joint',
            'right-ankle': 'leg_right_6_joint',
            'gaze': 'head_2_joint',
            'waist': 'root_joint',
            'chest': 'torso_2_joint'
        }

        if fromRosParam:
            ltimeStep = 0.005
            if device is not None:
                ltimeStep = device.getTimeStep()

            print("Using SoT parameter \"/robot_description\"")
            paramName = "/robot_description"
            self.param_server = ParameterServer("param_server")
            self.param_server.init_simple(ltimeStep)

            self.param_server.setParameter("/pg/remap/l_ankle",
                                           "leg_left_6_link")
            self.param_server.setParameter("/pg/remap/r_ankle",
                                           "leg_right_6_link")
            self.param_server.setParameter("/pg/remap/l_wrist",
                                           "arm_left_7_link")
            self.param_server.setParameter("/pg/remap/r_wrist",
                                           "arm_right_7_link")
            self.param_server.setParameter("/pg/remap/body", "base_link")
            self.param_server.setParameter("/pg/remap/torso", "torso_2_link")
            lpn_pre = "/robot/specificities/feet/"
            feet = ['right', 'left']
            for afoot in feet:
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/height", 0.122)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/width", 0.205)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/depth", 0.107)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/x", 0.0)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/y", 0.0)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/z", 0.107)
            self.param_server.displayRobotUtil()

            model2_string = self.param_server.getParameter(paramName)

            self.loadModelFromString(
                model2_string,
                rootJointType=pinocchio.JointModelFreeFlyer,
                removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                                   rootJointType=pinocchio.JointModelFreeFlyer,
                                   removeMimicJoints=True)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        if device is not None:
            self.device = device
        AbstractHumanoidRobot.__init__(self, name, tracer)

        self.OperationalPoints.append('waist')
        self.OperationalPoints.append('chest')

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.initializeRobot()

        self.AdditionalFrames.append(
            ("leftFootForceSensor", self.forceSensorInLeftAnkle,
             self.OperationalPointsMap["left-ankle"]))
        self.AdditionalFrames.append(
            ("rightFootForceSensor", self.forceSensorInRightAnkle,
             self.OperationalPointsMap["right-ankle"]))

        # Create operational points based on operational points map
        # (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()
Example #10
0
class Talos(AbstractHumanoidRobot):
    """
    This class defines a Talos robot
    """

    forceSensorInLeftAnkle = ((1., 0., 0., 0.), (0., 1., 0., 0.),
                              (0., 0., 1., -0.107), (0., 0., 0., 1.))
    forceSensorInRightAnkle = ((1., 0., 0., 0.), (0., 1., 0., 0.),
                               (0., 0., 1., -0.107), (0., 0., 0., 1.))
    defaultFilename = "package://talos_data/urdf/talos_reduced_v2.urdf"
    """
    TODO: Confirm the position and existence of these sensors
    accelerometerPosition = np.matrix ((
            (1., 0., 0., -.13,),
            (0., 1., 0., 0.,),
            (0., 0., 1., .118,),
            (0., 0., 0., 1.,),
            ))

    gyrometerPosition = np.matrix ((
            (1., 0., 0., -.13,),
            (0., 1., 0., 0.,),
            (0., 0., 1., .118,),
            (0., 0., 0., 1.,),
            ))
    """
    def smallToFull(self, config):
        # Gripper position in full configuration: 27:34, and 41:48
        # Small configuration: 36 DOF
        # Full configuration: 50 DOF
        res = config[0:27] + 7 * (0., ) + config[27:34] \
           + 7 * (0., ) + config[34:]
        return res

    def __init__(self, name, device=None, tracer=None, fromRosParam=False):
        self.OperationalPointsMap = {
            'left-wrist': 'arm_left_7_joint',
            'right-wrist': 'arm_right_7_joint',
            'left-ankle': 'leg_left_6_joint',
            'right-ankle': 'leg_right_6_joint',
            'gaze': 'head_2_joint',
            'waist': 'root_joint',
            'chest': 'torso_2_joint'
        }

        if fromRosParam:
            ltimeStep = 0.005
            if device is not None:
                ltimeStep = device.getTimeStep()

            print("Using SoT parameter \"/robot_description\"")
            paramName = "/robot_description"
            self.param_server = ParameterServer("param_server")
            self.param_server.init_simple(ltimeStep)

            self.param_server.setParameter("/pg/remap/l_ankle",
                                           "leg_left_6_link")
            self.param_server.setParameter("/pg/remap/r_ankle",
                                           "leg_right_6_link")
            self.param_server.setParameter("/pg/remap/l_wrist",
                                           "arm_left_7_link")
            self.param_server.setParameter("/pg/remap/r_wrist",
                                           "arm_right_7_link")
            self.param_server.setParameter("/pg/remap/body", "base_link")
            self.param_server.setParameter("/pg/remap/torso", "torso_2_link")
            lpn_pre = "/robot/specificities/feet/"
            feet = ['right', 'left']
            for afoot in feet:
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/height", 0.122)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/width", 0.205)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/size/depth", 0.107)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/x", 0.0)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/y", 0.0)
                self.param_server.setParameterDbl(
                    lpn_pre + afoot + "/anklePosition/z", 0.107)
            self.param_server.displayRobotUtil()

            model2_string = self.param_server.getParameter(paramName)

            self.loadModelFromString(
                model2_string,
                rootJointType=pinocchio.JointModelFreeFlyer,
                removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                                   rootJointType=pinocchio.JointModelFreeFlyer,
                                   removeMimicJoints=True)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        if device is not None:
            self.device = device
        AbstractHumanoidRobot.__init__(self, name, tracer)

        self.OperationalPoints.append('waist')
        self.OperationalPoints.append('chest')

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.initializeRobot()

        self.AdditionalFrames.append(
            ("leftFootForceSensor", self.forceSensorInLeftAnkle,
             self.OperationalPointsMap["left-ankle"]))
        self.AdditionalFrames.append(
            ("rightFootForceSensor", self.forceSensorInRightAnkle,
             self.OperationalPointsMap["right-ankle"]))

        # Create operational points based on operational points map
        # (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()
Example #11
0
    def __init__(self,
                 name,
                 initialConfig,
                 device=None,
                 tracer=None,
                 fromRosParam=False):
        self.OperationalPointsMap = {
            'left-wrist': 'arm_left_7_joint',
            'right-wrist': 'arm_right_7_joint',
            'left-ankle': 'leg_left_6_joint',
            'right-ankle': 'leg_right_6_joint',
            'gaze': 'head_2_joint',
            'waist': 'root_joint',
            'chest': 'torso_2_joint'
        }

        if fromRosParam:
            print("Using ROS parameter \"/robot_description\"")
            rosParamName = "/robot_description"
            import rospy
            if rosParamName not in rospy.get_param_names():
                raise RuntimeError('"' + rosParamName +
                                   '" is not a ROS parameter.')
            s = rospy.get_param(rosParamName)

            self.loadModelFromString(
                s,
                rootJointType=pinocchio.JointModelFreeFlyer,
                removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                                   rootJointType=pinocchio.JointModelFreeFlyer,
                                   removeMimicJoints=True)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        AbstractHumanoidRobot.__init__(self, name, tracer)

        self.OperationalPoints.append('waist')
        self.OperationalPoints.append('chest')

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.device = device
        self.initializeRobot()

        self.AdditionalFrames.append(
            ("leftFootForceSensor", self.forceSensorInLeftAnkle,
             self.OperationalPointsMap["left-ankle"]))
        self.AdditionalFrames.append(
            ("rightFootForceSensor", self.forceSensorInRightAnkle,
             self.OperationalPointsMap["right-ankle"]))

        # Create operational points based on operational points map (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()
Example #12
0
class Talos(AbstractHumanoidRobot):
    """
    This class defines a Talos robot
    """

    forceSensorInLeftAnkle = ((1., 0., 0., 0.), (0., 1., 0., 0.),
                              (0., 0., 1., -0.107), (0., 0., 0., 1.))
    forceSensorInRightAnkle = ((1., 0., 0., 0.), (0., 1., 0., 0.),
                               (0., 0., 1., -0.107), (0., 0., 0., 1.))
    defaultFilename = "package://talos_data/urdf/talos_reduced_v2.urdf"
    """
    TODO: Confirm the position and existence of these sensors
    accelerometerPosition = np.matrix ((
            (1., 0., 0., -.13,),
            (0., 1., 0., 0.,),
            (0., 0., 1., .118,),
            (0., 0., 0., 1.,),
            ))

    gyrometerPosition = np.matrix ((
            (1., 0., 0., -.13,),
            (0., 1., 0., 0.,),
            (0., 0., 1., .118,),
            (0., 0., 0., 1.,),
            ))
    """
    def smallToFull(self, config):
        # Gripper position in full configuration: 27:34, and 41:48
        # Small configuration: 36 DOF
        # Full configuration: 50 DOF
        res = config[0:27] + 7 * (0., ) + config[27:34] + 7 * (
            0., ) + config[34:]
        return res

    def __init__(self,
                 name,
                 initialConfig,
                 device=None,
                 tracer=None,
                 fromRosParam=False):
        self.OperationalPointsMap = {
            'left-wrist': 'arm_left_7_joint',
            'right-wrist': 'arm_right_7_joint',
            'left-ankle': 'leg_left_6_joint',
            'right-ankle': 'leg_right_6_joint',
            'gaze': 'head_2_joint',
            'waist': 'root_joint',
            'chest': 'torso_2_joint'
        }

        if fromRosParam:
            print("Using ROS parameter \"/robot_description\"")
            rosParamName = "/robot_description"
            import rospy
            if rosParamName not in rospy.get_param_names():
                raise RuntimeError('"' + rosParamName +
                                   '" is not a ROS parameter.')
            s = rospy.get_param(rosParamName)

            self.loadModelFromString(
                s,
                rootJointType=pinocchio.JointModelFreeFlyer,
                removeMimicJoints=True)
        else:
            self.loadModelFromUrdf(self.defaultFilename,
                                   rootJointType=pinocchio.JointModelFreeFlyer,
                                   removeMimicJoints=True)

        assert hasattr(self, "pinocchioModel")
        assert hasattr(self, "pinocchioData")

        AbstractHumanoidRobot.__init__(self, name, tracer)

        self.OperationalPoints.append('waist')
        self.OperationalPoints.append('chest')

        # Create rigid body dynamics model and data (pinocchio)
        self.dynamic = DynamicPinocchio(self.name + "_dynamic")
        self.dynamic.setModel(self.pinocchioModel)
        self.dynamic.setData(self.pinocchioData)
        self.dynamic.displayModel()
        self.dimension = self.dynamic.getDimension()

        self.device = device
        self.initializeRobot()

        self.AdditionalFrames.append(
            ("leftFootForceSensor", self.forceSensorInLeftAnkle,
             self.OperationalPointsMap["left-ankle"]))
        self.AdditionalFrames.append(
            ("rightFootForceSensor", self.forceSensorInRightAnkle,
             self.OperationalPointsMap["right-ankle"]))

        # Create operational points based on operational points map (if provided)
        if self.OperationalPointsMap is not None:
            self.initializeOpPoints()