Пример #1
0
    def __init__(self):
        self.model = LegModel()
        self.controller = LimbController()
        self.firstrun = True

        # Describe the actuator placements at each joint
        YAW_ACT = ActuatorMathHelper(bore_diameter=inch2meter * 2.5,
                                     rod_diameter=inch2meter * 1.125,
                                     act_retracted_len=inch2meter * 14.25,
                                     act_extended_len=inch2meter * 18.25,
                                     pivot1_dist_from_joint=inch2meter * 16.18,
                                     pivot2=(inch2meter * 2.32,
                                             inch2meter * 3.3),
                                     ang_offset=deg2rad * -30.0,
                                     system_pressure=psi2pascal * 2300,
                                     axis=(0, 0, -1))

        PITCH_ACT = ActuatorMathHelper(
            bore_diameter=inch2meter * 3.0,
            rod_diameter=inch2meter * 1.5,
            act_retracted_len=inch2meter * 20.25,
            act_extended_len=inch2meter * 30.25,
            pivot1_dist_from_joint=inch2meter * 8.96,
            pivot2=(inch2meter * 27.55, inch2meter * 8.03),
            ang_offset=deg2rad * -84.0,
            system_pressure=psi2pascal * 2300,
            axis=(0, -1, 0))

        KNEE_ACT = ActuatorMathHelper(bore_diameter=inch2meter * 2.5,
                                      rod_diameter=inch2meter * 1.25,
                                      act_retracted_len=inch2meter * 22.25,
                                      act_extended_len=inch2meter * 34.25,
                                      pivot1_dist_from_joint=inch2meter * 28.0,
                                      pivot2=(inch2meter * 4.3,
                                              inch2meter * 6.17),
                                      ang_offset=deg2rad * 61.84,
                                      system_pressure=psi2pascal * 2300,
                                      axis=(0, -1, 0))
        self.act_helpers = [YAW_ACT, PITCH_ACT, KNEE_ACT]

        yaw_pist = PistonController(YAW_ACT, 0.26, 0.28)
        pitch_pist = PistonController(PITCH_ACT, 0.27, 0.27)
        knee_pist = PistonController(KNEE_ACT, 0.22, 0.20)

        self.pist_helpers = [yaw_pist, pitch_pist, knee_pist]

        # Hackery for notch filter
        self.hip_yaw_commands = [
            0.0 for i in range(int((0.5 / 2.00) / (1 / 200.0)))
        ]
        self.hip_pitch_commands = [
            0.0 for i in range(int((0.5 / 6.30) / (1 / 200.0)))
        ]
        self.knee_commands = [
            0.0 for i in range(int((0.5 / 6.30) / (1 / 200.0)))
        ]
Пример #2
0
 def __init__(self):
     self.file_out = file('offsets.txt', 'w+')
     self.vel_IIR = None
     self.pwm_val = 0
     self.last_pos = 0
     self.last_t = 0
     self.MOVE_THRESH = .01
     self.firstrun = True
     self.dof_list = []
     self.dof_list.append('hip_pitch_e')
     self.dof_list.append('hip_pitch_r')
     self.dof_list.append('knee_pitch_e')
     self.dof_list.append('knee_pitch_r')
     self.dof_list.append('hip_yaw_e')
     self.dof_list.append('hip_yaw_r')
     self.callback = self.moveToInitialPosition
     self.model = LegModel()
     self.controller = LimbController()
Пример #3
0
from ControlsKit import time_sources, LegModel, LimbController
from ControlsKit.leg_paths import Pause, TrapezoidalFootMove, PutFootOnGround
from ControlsKit.math_utils import array, Z
from UI import logger

# Initialization
model = LegModel()
controller = LimbController()
path = None

S_MOVE1 = 0
S_LOWER = 1
S_MOVE2 = 2
S_MOVE3 = 3

state = S_MOVE3


# Body of control loop
def update(time, yaw, hip_pitch, knee_pitch, shock_depth, command=None):
    global path, state

    # Update model
    time_sources.global_time.updateTime(time)
    model.setSensorReadings(yaw, hip_pitch, knee_pitch, shock_depth)
    model.updateFootOnGround()

    # Init path. Do this after the first update.
    if path is None:
        path = Pause(model, controller, 1.0)
Пример #4
0
    def __init__(self):
        self.model = LegModel()
        self.controller = LimbController()

        self.path = None
        self.index = 0
        self.points = []
        #self.points.append( (0.4,  0, -0.45, 0.2) )

        self.points.append((1.8, -1.00, -0.75, 0.40))
        self.points.append((1.8, -1.00, -1.68, 0.20))
        self.points.append((1.8, 1.00, -1.68, 0.40))
        self.points.append((1.8, 1.00, -0.75, 0.20))

        #self.points.append( (1.8, -1.00, -1.45, 0.40) )
        #self.points.append( (1.8, -1.00, -1.68, 0.70) )
        #self.points.append( (1.8,  1.00, -1.68, 0.70) )
        #self.points.append( (1.8,  0.00, -1.35, 0.70) )

        # Describe the actuator placements at each joint
        YAW_ACT = ActuatorMathHelper(bore_diameter=inch2meter * 2.5,
                                     rod_diameter=inch2meter * 1.125,
                                     act_retracted_len=inch2meter * 14.25,
                                     act_extended_len=inch2meter * 18.25,
                                     pivot1_dist_from_joint=inch2meter * 16.18,
                                     pivot2=(inch2meter * 2.32,
                                             inch2meter * 3.3),
                                     ang_offset=deg2rad * -30.0,
                                     system_pressure=psi2pascal * 2300,
                                     axis=(0, 0, -1))

        PITCH_ACT = ActuatorMathHelper(
            bore_diameter=inch2meter * 3.0,
            rod_diameter=inch2meter * 1.5,
            act_retracted_len=inch2meter * 20.25,
            act_extended_len=inch2meter * 30.25,
            pivot1_dist_from_joint=inch2meter * 8.96,
            pivot2=(inch2meter * 27.55, inch2meter * 8.03),
            ang_offset=deg2rad * -84.0,
            system_pressure=psi2pascal * 2300,
            axis=(0, -1, 0))

        KNEE_ACT = ActuatorMathHelper(bore_diameter=inch2meter * 2.5,
                                      rod_diameter=inch2meter * 1.25,
                                      act_retracted_len=inch2meter * 22.25,
                                      act_extended_len=inch2meter * 34.25,
                                      pivot1_dist_from_joint=inch2meter * 28.0,
                                      pivot2=(inch2meter * 4.3,
                                              inch2meter * 6.17),
                                      ang_offset=deg2rad * 61.84,
                                      system_pressure=psi2pascal * 2300,
                                      axis=(0, -1, 0))
        self.act_helpers = [YAW_ACT, PITCH_ACT, KNEE_ACT]

        yaw_joint = JointController(YAW_ACT,
                                    kp=1.0,
                                    ki=0.0,
                                    kd=0.0,
                                    kff=1.0,
                                    kfa=0.0,
                                    derivative_corner=10,
                                    backlash=deg2rad * 1.5)
        pitch_joint = JointController(PITCH_ACT,
                                      kp=1.0,
                                      ki=0.0,
                                      kd=0.0,
                                      kff=1.0,
                                      kfa=0.0,
                                      derivative_corner=10,
                                      backlash=deg2rad * 0.5)
        knee_joint = JointController(KNEE_ACT,
                                     kp=1.0,
                                     ki=0.0,
                                     kd=0.0,
                                     kff=1.0,
                                     kfa=0.0,
                                     derivative_corner=10,
                                     backlash=deg2rad * 0.75)

        self.joint_controllers = [yaw_joint, pitch_joint, knee_joint]

        #yaw_pist   = LearningPistonController(YAW_ACT  , 0.26, 0.28)
        yaw_pist = LearningPistonController('YAWPIST', YAW_ACT, 0.37, 0.37)
        pitch_pist = LearningPistonController('PITCHPIST', PITCH_ACT, 0.32,
                                              0.32)
        knee_pist = LearningPistonController('KNEEPIST', KNEE_ACT, 0.22, 0.20)

        self.pist_helpers = [yaw_pist, pitch_pist, knee_pist]