Ejemplo n.º 1
0
def test1():
    param_filename = os.path.join(p3_u.pat_dir(), 'data/vehicles/skywalker_x8.xml')
    dm = p1_fw_dyn.DynamicModel(param_filename)
    plot_polar(dm)
    #trim_throttle(dm)
    plot_trims(dm)
    plt.show()
 def __init__(self):
     self._st = sym.symbols('t')
     self._sx, self._sy, self._sz, self._sxd, self._syd, self._szd , self._spsi = sym.symbols('x, y, z, xd, yd, zd, psi', cls=sym.Function)
     self._sphi, self._stheta, self._sthrust = sym.symbols('phi, theta, thrust', cls=sym.Function)
     self._state_symbols = (self._sx(self._st), self._sy(self._st), self._sz(self._st),
                            self._sxd(self._st), self._syd(self._st), self._szd(self._st), self._spsi(self._st))
     #self._input_symbols = (self._sv, self._sphi)
     self.P = p3_fw_dynp.Param(os.path.join(p3_u.pat_dir(), 'data/vehicles/cularis.xml'))
Ejemplo n.º 3
0
 def __init__(self, params=None):
     if params is None:
         params = os.path.join(p3_u.pat_dir(), 'data/vehicles/cularis.xml')
     self.P = Param(params)
     self.X = np.zeros(self.get_sv_size())  # State Vector
     self.X_act = np.zeros(self.input_nb())  # Actuators State Vector
     self.T_w2b = np.eye(4)  # 4x4 homogenous transform from world to body
     self.t, self.dt = 0., 0.01
     self.reset()
Ejemplo n.º 4
0
def main():
    param_filename = os.path.join(p3_u.pat_dir(), 'data/vehicles/cularis.xml')
    dm = p1_fw_dyn.DynamicModel(param_filename)

    pc = ScheduledPitchControl(dm)
    run_sim(dm, pc)

    #old_thing(dm)
    plt.show()
Ejemplo n.º 5
0
def get_trim_defaults(trim_args={
    'h': 0,
    'va': 12,
    'gamma': 0
},
                      ac_name='cularis'):
    dm = p1_fw_dyn.DynamicModel(
        os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    Xe, Ue = dm.trim(trim_args, debug=True)
    return dm, Xe, Ue
Ejemplo n.º 6
0
def plot_poles(trim_args={'h': 0, 'va': 12, 'gamma': 0}, ac_name='cularis'):
    dm = p1_fw_dyn.DynamicModel(
        os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    Xe, Ue = dm.trim(trim_args, debug=True)
    A, B = dm.get_jacobian(Xe, Ue)
    _eval, _evel = np.linalg.eig(A)
    B1 = B[:, 2][np.newaxis].T
    C = np.array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0])
    D = np.zeros((1, 1))
    ss = control.ss(A, B1, C, D)
    tf = control.ss2tf(ss)
    pdb.set_trace()
Ejemplo n.º 7
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    def __init__(self, name='ros_pat_glider_trim'):
        p3_rpu.PeriodicNode.__init__(self, name)
        self.joint_state_pub = p3_rpu.JointStatePublisher(what=name)
        #self.ivel_pub = p3_rpu.PosePublisher(what=name)
        self.txt_pub = p3_rpu.TextMarkerPublisher('/ds_glider/trim_txt', 'ds_glider/base_link', scale=0.1, what=name)
        self.tf_pub = p3_rpu.TransformPublisher()
        self.tf_pub.send_w_enu_to_ned_transform(rospy.Time.now())

        ac_name = 'cularis'
        self.dm = p1_fw_dyn.DynamicModel(os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
        self.trim_args = {'h':0, 'va':10, 'throttle':0}
        self._trim()
        self.dyn_cfg_srv = dynamic_reconfigure.server.Server(ros_pat.cfg.glider_trimConfig, self.dyn_cfg_callback)
Ejemplo n.º 8
0
def main():
    param_filename = os.path.join(p3_u.pat_dir(),
                                  'data/vehicles/skywalker_x8.xml')
    P = pat3.vehicles.fixed_wing.simple_6dof_fdm_param.Param(param_filename)
    XFLR5_to_AVL(P)
    print(P)
    test_alpha(P)

    alpha, beta, rvel = 0., 0., [0., 0., 0.]
    Usfc = [0, 0, 0, 0]
    (CL1, CY1, CD1), (CL2, CY2, CD2) = get_both_coefs(P, alpha, beta, rvel,
                                                      Usfc)
    print(CL1, CY1, CD1)
    print(CL2, CY2, CD2)
Ejemplo n.º 9
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def test01(trim_args={
    'h': 0,
    'va': 15,
    'throttle': 0,
    'flaps': np.deg2rad(-8.)
},
           ac_name='cularis'):
    dm = p1_fw_dyn.DynamicModel(
        os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    #dm = p1_fw_dyn.DynamicModel_ee(os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    #dm = p1_fw_dyn.DynamicModel_eq(os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    Xe, Ue = dm.trim(trim_args, debug=True, report=True, aero=False)
    print Xe, Ue
    Xe, Ue = dm.trim(trim_args, debug=True, report=True, aero=True)
    print Xe, Ue
    return dm, Xe, Ue
Ejemplo n.º 10
0
def test0():
    h = 0
    aero_vel = va, alpha, beta = [10, 0, 0]
    euler, rvel = [0., 0, 0], [0.1, 0, 0]
    Usfc = [0, 0, 0, 0]
    Ueng = [0.1]
    p_filename = os.path.join(p3_u.pat_dir(), 'data/vehicles/cularis.xml')
    P = p3_fwparam.Param(p_filename)
    rho = p3_atm.get_rho(h)
    Pdyn = 0.5*rho*va**2
    X = np.concatenate(([0, 0, -h], aero_vel, euler, rvel))

    print('f_eng new: {}'.format(p3_fw_aero.get_f_eng_body(h, va, Ueng, P)))
    print('f_eng old: {}'.format(p1_fw_dyn.get_f_eng_body(X, Ueng, P)))
    
    
    print('new: {}'.format(p1_fw_dyn.get_m_aero_body2(va, alpha, beta, rvel, Usfc, P, Pdyn)))
    print('old {}'.format(p1_fw_dyn.get_m_aero_body(X, Usfc, P, Pdyn)))
Ejemplo n.º 11
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def get_default_dm(ac_name=DEFAULT_AC):
    #return p1_fw_dyn.DynamicModel(os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
    return p1_fw_dyn.DynamicModel_ee(os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))
Ejemplo n.º 12
0
        ax = plt.subplot(2, 3, 2)
        wc1 = [
            -atm.get_wind([_x, _y, -h], t=0)[2]
            for _x, _y in zip(c_pts[:, 0], c_pts[:, 1])
        ]
        plt.plot(np.rad2deg(alphas), wc1)
        ax = plt.subplot(2, 3, 5)
        plt.plot(time, wc1)
        ax = plt.subplot(2, 3, 6)
        _foo(alphas, wc1, dt, time, _c)


def test_circles(atm, xmax=50, dx=5.):
    pass


def main(param_filename):
    dm = p1_fw_dyn.DynamicModel(param_filename)
    atm = p3_atm.AtmosphereThermal1()
    #atm.set_params(xc=0, yc=10, zi=1500, wstar=300)
    #find_best_radius(dm, atm, va=9., compute=True, plot_atm=False, plot_traj=True)
    plot_gradient(atm)
    plt.show()


if __name__ == "__main__":
    logging.basicConfig(level=logging.INFO)
    np.set_printoptions(linewidth=500)
    param_filename = os.path.join(p3_u.pat_dir(), 'data/vehicles/cularis.xml')
    main(param_filename)
Ejemplo n.º 13
0
def get_default_dm(ac_name='cularis'):  #ac_name='skywalker_x8'):
    return p1_fw_dyn.DynamicModel(
        os.path.join(p3_u.pat_dir(), 'data/vehicles/{}.xml'.format(ac_name)))