Exemple #1
0
    def __init__(self,
                 render=False,
                 on_rack=False,
                 gait='trot',
                 phase=[0, PI, PI, 0],
                 action_dim=10,
                 stairs=True):

        self._is_stairs = stairs

        self._is_render = render
        self._on_rack = on_rack
        if self._is_render:
            self._pybullet_client = bullet_client.BulletClient(
                connection_mode=pybullet.GUI)
        else:
            self._pybullet_client = bullet_client.BulletClient()

        self._theta = 0
        self._theta0 = 0
        self._update_action_every = 1.  # update is every 50% of the step i.e., theta goes from 0 to pi/2
        self._frequency = -2.8  #change back to 1
        self._kp = 20
        self._kd = 2
        self.dt = 0.001
        self._frame_skip = 5
        self._n_steps = 0
        self._action_dim = action_dim

        # self._obs_dim = 7
        self._obs_dim = 4

        self.action = np.zeros(self._action_dim)

        self._last_base_position = [0, 0, 0]
        self._distance_limit = float("inf")

        self._xpos_previous = 0.0
        self._walkcon = walking_controller.WalkingController(gait_type=gait,
                                                             phase=phase)

        self._cam_dist = 1.0
        self._cam_yaw = 0.0
        self._cam_pitch = 0.0

        ## Gym env related mandatory variables
        observation_high = np.array([10.0] * self._obs_dim)
        observation_low = -observation_high
        self.observation_space = spaces.Box(observation_low, observation_high)

        action_high = np.array([1] * self._action_dim)
        self.action_space = spaces.Box(-action_high, action_high)
        self.hard_reset()
        if (self._is_stairs):
            boxHalfLength = 0.06
            boxHalfWidth = 2.5
            boxHalfHeight = 0.02
            sh_colBox = self._pybullet_client.createCollisionShape(
                self._pybullet_client.GEOM_BOX,
                halfExtents=[boxHalfLength, boxHalfWidth, boxHalfHeight])
            boxOrigin = 0.15
            n_steps = 30
            for i in range(n_steps):
                block = self._pybullet_client.createMultiBody(
                    baseMass=0,
                    baseCollisionShapeIndex=sh_colBox,
                    basePosition=[
                        boxOrigin + i * 2 * boxHalfLength, 0,
                        boxHalfHeight + i * 2 * boxHalfHeight
                    ],
                    baseOrientation=[0.0, 0.0, 0.0, 1])
            x = 1
Exemple #2
0
    def __init__(self, render=False, on_rack=False):

        self._is_render = render
        self._on_rack = on_rack
        if self._is_render:
            self._pybullet_client = bullet_client.BulletClient(
                connection_mode=pybullet.GUI)
        else:
            self._pybullet_client = bullet_client.BulletClient()

        self._theta = 0
        self._theta0 = 0
        self._update_action_every = 1.  # update is every 50% of the step i.e., theta goes from 0 to pi/2
        self._frequency = 1.
        self._kp = 20
        self._kd = 2.0
        self.dt = 0.001
        self._frame_skip = 5
        self._n_steps = 0

        self._action_dim = 10
        self._obs_dim = 7
        self.action = np.zeros(self._action_dim)

        self._last_base_position = [0, 0, 0]
        self._distance_limit = float("inf")

        self._xpos_previous = 0.0
        self._walkcon = walking_controller.WalkingController(
            gait_type='trot',
            spine_enable=False,
            planning_space='polar_task_space',
            left_to_right_switch=True,
            frequency=self._frequency)

        self._cam_dist = 1.0
        self._cam_yaw = 0.0
        self._cam_pitch = 0.0

        ## Gym env related mandatory variables
        observation_high = np.array([10.0] * self._obs_dim)
        observation_low = -observation_high
        self.observation_space = spaces.Box(observation_low, observation_high)

        action_high = np.array([1] * self._action_dim)
        self.action_space = spaces.Box(-action_high, action_high)

        self.FLx = np.array([
            -0.0939, -0.0831, -0.0702, -0.0539, -0.0409, -0.0369, -0.0329,
            -0.0289, -0.0248, -0.0208, -0.0180, -0.0168, -0.0157, -0.0145,
            -0.0133, -0.0121, -0.0110, -0.0098, -0.0086, -0.0074, -0.0063,
            -0.0051, -0.0039, -0.0027, -0.0016, -0.0004, 0.0008, 0.0020,
            0.0037, 0.0055, 0.0074, 0.0092, 0.0111, 0.0129, 0.0148, 0.0168,
            0.0193, 0.0217, 0.0241, 0.0265, 0.0289, 0.0305, 0.0322, 0.0338,
            0.0354, 0.0370, 0.0372, 0.0370, 0.0368, 0.0365, 0.0363, 0.0361,
            0.0359, 0.0357, 0.0355, 0.0353, 0.0352, 0.0347, 0.0334, 0.0321,
            0.0309, 0.0294, 0.0269, 0.0244, 0.0218, 0.0195, 0.0173, 0.0152,
            0.0130, 0.0109, 0.0087, 0.0066, 0.0044, 0.0022, 0.0001, -0.0021,
            -0.0042, -0.0064, -0.0085, -0.0107, -0.0128, -0.0155, -0.0181,
            -0.0208, -0.0234, -0.0261, -0.0287, -0.0314, -0.0363, -0.0418,
            -0.0473, -0.0528, -0.0583, -0.0641, -0.0719, -0.0802, -0.0912,
            -0.0949, -0.0949, -0.0939
        ])

        self.FRx = np.array([
            0.0368, 0.0365, 0.0363, 0.0361, 0.0359, 0.0357, 0.0355, 0.0353,
            0.0352, 0.0347, 0.0334, 0.0321, 0.0309, 0.0294, 0.0269, 0.0244,
            0.0218, 0.0195, 0.0173, 0.0152, 0.0130, 0.0109, 0.0087, 0.0066,
            0.0044, 0.0022, 0.0001, -0.0021, -0.0042, -0.0064, -0.0085,
            -0.0107, -0.0128, -0.0155, -0.0181, -0.0208, -0.0234, -0.0261,
            -0.0287, -0.0314, -0.0363, -0.0418, -0.0473, -0.0528, -0.0583,
            -0.0641, -0.0719, -0.0802, -0.0912, -0.0949, -0.0949, -0.0939,
            -0.0939, -0.0831, -0.0702, -0.0539, -0.0409, -0.0369, -0.0329,
            -0.0289, -0.0248, -0.0208, -0.0180, -0.0168, -0.0157, -0.0145,
            -0.0133, -0.0121, -0.0110, -0.0098, -0.0086, -0.0074, -0.0063,
            -0.0051, -0.0039, -0.0027, -0.0016, -0.0004, 0.0008, 0.0020,
            0.0037, 0.0055, 0.0074, 0.0092, 0.0111, 0.0129, 0.0148, 0.0168,
            0.0193, 0.0217, 0.0241, 0.0265, 0.0289, 0.0305, 0.0322, 0.0338,
            0.0354, 0.0370, 0.0372, 0.0370
        ])

        self.FLy = np.array([
            -0.1992, -0.1941, -0.1905, -0.1896, -0.1896, -0.1892, -0.1888,
            -0.1884, -0.1880, -0.1876, -0.1872, -0.1868, -0.1863, -0.1859,
            -0.1854, -0.1850, -0.1845, -0.1841, -0.1836, -0.1832, -0.1827,
            -0.1823, -0.1818, -0.1814, -0.1809, -0.1805, -0.1800, -0.1796,
            -0.1792, -0.1788, -0.1784, -0.1780, -0.1776, -0.1772, -0.1768,
            -0.1767, -0.1772, -0.1777, -0.1782, -0.1787, -0.1793, -0.1812,
            -0.1831, -0.1850, -0.1869, -0.1888, -0.1911, -0.1936, -0.1960,
            -0.1985, -0.2009, -0.2033, -0.2058, -0.2083, -0.2108, -0.2132,
            -0.2157, -0.2181, -0.2203, -0.2226, -0.2248, -0.2268, -0.2276,
            -0.2285, -0.2294, -0.2299, -0.2299, -0.2300, -0.2300, -0.2301,
            -0.2302, -0.2302, -0.2303, -0.2304, -0.2304, -0.2305, -0.2305,
            -0.2306, -0.2307, -0.2307, -0.2308, -0.2305, -0.2301, -0.2298,
            -0.2294, -0.2291, -0.2287, -0.2284, -0.2278, -0.2272, -0.2266,
            -0.2260, -0.2254, -0.2245, -0.2222, -0.2198, -0.2166, -0.2112,
            -0.2052, -0.1992
        ])

        self.FRy = np.array([
            -0.1960, -0.1985, -0.2009, -0.2033, -0.2058, -0.2083, -0.2108,
            -0.2132, -0.2157, -0.2181, -0.2203, -0.2226, -0.2248, -0.2268,
            -0.2276, -0.2285, -0.2294, -0.2299, -0.2299, -0.2300, -0.2300,
            -0.2301, -0.2302, -0.2302, -0.2303, -0.2304, -0.2304, -0.2305,
            -0.2305, -0.2306, -0.2307, -0.2307, -0.2308, -0.2305, -0.2301,
            -0.2298, -0.2294, -0.2291, -0.2287, -0.2284, -0.2278, -0.2272,
            -0.2266, -0.2260, -0.2254, -0.2245, -0.2222, -0.2198, -0.2166,
            -0.2112, -0.2052, -0.1992, -0.1992, -0.1941, -0.1905, -0.1896,
            -0.1896, -0.1892, -0.1888, -0.1884, -0.1880, -0.1876, -0.1872,
            -0.1868, -0.1863, -0.1859, -0.1854, -0.1850, -0.1845, -0.1841,
            -0.1836, -0.1832, -0.1827, -0.1823, -0.1818, -0.1814, -0.1809,
            -0.1805, -0.1800, -0.1796, -0.1792, -0.1788, -0.1784, -0.1780,
            -0.1776, -0.1772, -0.1768, -0.1767, -0.1772, -0.1777, -0.1782,
            -0.1787, -0.1793, -0.1812, -0.1831, -0.1850, -0.1869, -0.1888,
            -0.1911, -0.1936
        ])

        self.hard_reset()
Exemple #3
0
	def __init__(self,
				 render = False,
				 on_rack = False,
				 gait = 'trot',
				 phase = [0,no_of_points,no_of_points,0],
				 action_dim = 12,
				 obs_dim = 2,
				 scale = 1.0,
				 roc = 0.3,
				 stairs = True):

		self._is_stairs = stairs
		self.scale = scale #INITIAL ONE FOR TRAINING
		self._is_render = render
		self._on_rack = on_rack
		if self._is_render:
			self._pybullet_client = bullet_client.BulletClient(connection_mode=pybullet.GUI)
		else:
			self._pybullet_client = bullet_client.BulletClient()

		self._theta = 0
		self._theta0 = 0
		self._update_action_every = 1.  # update is every 50% of the step i.e., theta goes from 0 to pi/2
		self._frequency = 2.5 #change back to 1
		# self._frequency = 2.8 #change back to 1
		self.frequency_weight = 1
		self.prev_yaw = 0
		self._kp = 20
		self._kd = 2
		self.dt = 0.005 # LET ME CHANGE, was 0.001
		self._frame_skip = 25 # Working ratio is 5* self._dt
		self._n_steps = 0
		self._action_dim = action_dim

		self._obs_dim = obs_dim

		self.action = np.zeros(self._action_dim)

		self._last_base_position = [0, 0, 0]
		self._distance_limit = float("inf")

		self._xpos_previous = 0.0
		self._walkcon = walking_controller.WalkingController(gait_type=gait,
															 phase=phase, scale = self.scale)

		self._cam_dist = 1.0
		self._cam_yaw = 0.0
		self._cam_pitch = 0.0

		self.avg_vel_per_step = 0
		self.avg_omega_per_step = 0

		self.linearV = 0
		self.angV = 0

		self.radius = roc
		## Gym env related mandatory variables
		observation_high = np.array([10.0] * self._obs_dim)
		observation_low = -observation_high
		self.observation_space = spaces.Box(observation_low, observation_high)

		action_high = np.array([1] * self._action_dim)
		self.action_space = spaces.Box(-action_high, action_high)
		self.hard_reset()
		if(self._is_stairs):
			boxHalfLength = 0.06
			boxHalfWidth = 2.5
			boxHalfHeight = 0.02
			sh_colBox = self._pybullet_client.createCollisionShape(self._pybullet_client.GEOM_BOX,halfExtents=[boxHalfLength,boxHalfWidth,boxHalfHeight])
			boxOrigin = 0.15
			n_steps = 30
			for i in range(n_steps):
				block=self._pybullet_client.createMultiBody(baseMass=0,baseCollisionShapeIndex = sh_colBox,basePosition = [boxOrigin + i*2*boxHalfLength,0,boxHalfHeight + i*2*boxHalfHeight],baseOrientation=[0.0,0.0,0.0,1])
			x = 1