def main():
# Create the Create2 mover environment
env = Create2MoverEnv(90, port='/dev/ttyUSB0', obs_history=1, dt=0.15)
env = NormalizedEnv(env)
# Start environment processes
env.start()
# Create baselines trpo policy function
sess = U.single_threaded_session()
sess.__enter__()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
# Create and start plotting process
plot_running = Value('i', 1)
shared_returns = Manager().dict({
"write_lock": False,
"episodic_returns": [],
"episodic_lengths": [],
})
# Spawn plotting process
pp = Process(target=plot_create2_mover,
args=(env, 2048, shared_returns, plot_running))
pp.start()
# Create callback function for logging data from baselines PPO learn
kindred_callback = create_callback(shared_returns)
# Train baselines TRPO
learn(env,
policy_fn,
max_timesteps=40000,
timesteps_per_batch=2048,
max_kl=0.05,
cg_iters=10,
cg_damping=0.1,
vf_iters=5,
vf_stepsize=0.001,
gamma=0.995,
lam=0.995,
callback=kindred_callback)
# Safely terminate plotter process
plot_running.value = 0 # shutdown ploting process
time.sleep(2)
pp.join()
env.close()
def main():
# use fixed random state
rand_state = np.random.RandomState(1).get_state()
np.random.set_state(rand_state)
tf_set_seeds(np.random.randint(1, 2**31 - 1))
# Create DXL Reacher1D environment
env = DxlReacher1DEnv(setup='dxl_gripper_default',
idn=1,
baudrate=1000000,
obs_history=1,
dt=0.04,
gripper_dt=0.01,
rllab_box=False,
episode_length_step=None,
episode_length_time=2,
max_torque_mag=100,
control_type='torque',
target_type='position',
reset_type='zero',
reward_type='linear',
use_ctypes_driver=True,
random_state=rand_state)
# The outputs of the policy function are sampled from a Gaussian. However, the actions in terms of torque
# commands are in the range [-max_torque_mag, max_torque_mag]. NormalizedEnv wrapper scales action accordingly.
# By default, it does not normalize observations or rewards.
env = NormalizedEnv(env)
# Start environment processes
env.start()
# Create baselines TRPO policy function
sess = U.single_threaded_session()
sess.__enter__()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=32,
num_hid_layers=2)
# create and start plotting process
plot_running = Value('i', 1)
shared_returns = Manager().dict({
"write_lock": False,
"episodic_returns": [],
"episodic_lengths": [],
})
# Plotting process
pp = Process(target=plot_dxl_reacher,
args=(env, 2048, shared_returns, plot_running))
pp.start()
# Create callback function for logging data from baselines TRPO learn
kindred_callback = create_callback(shared_returns)
# Train baselines TRPO
learn(
env,
policy_fn,
max_timesteps=50000,
timesteps_per_batch=2048,
max_kl=0.05,
cg_iters=10,
cg_damping=0.1,
vf_iters=5,
vf_stepsize=0.001,
gamma=0.995,
lam=0.995,
callback=kindred_callback,
)
# Safely terminate plotter process
plot_running.value = 0 # shutdown ploting process
time.sleep(2)
pp.join()
# Shutdown the environment
env.close()
def main():
# optionally use a pretrained model
load_model_data = None
hidden_sizes = (32, 32)
if len(sys.argv) > 1:
load_model_path = sys.argv[1]
load_model_data = pkl.load(open(load_model_path, 'rb'))
hidden_sizes = load_model_data['hidden_sizes']
# use fixed random state
rand_state = np.random.RandomState(1).get_state()
np.random.set_state(rand_state)
tf_set_seeds(np.random.randint(1, 2**31 - 1))
# Create the Create2 mover environment
env = Create2MoverEnv(90,
port='/dev/ttyUSB0',
obs_history=1,
dt=0.15,
random_state=rand_state)
env = NormalizedEnv(env)
# Start environment processes
env.start()
# Create baselines TRPO policy function
sess = U.single_threaded_session()
sess.__enter__()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name,
ob_space=ob_space,
ac_space=ac_space,
hid_size=hidden_sizes[0],
num_hid_layers=len(hidden_sizes))
# Create and start plotting process
plot_running = Value('i', 1)
shared_returns = Manager().dict({
"write_lock": False,
"episodic_returns": [],
"episodic_lengths": [],
})
# Spawn plotting process
pp = Process(target=plot_create2_mover,
args=(env, 2048, shared_returns, plot_running))
pp.start()
# Create callback function for logging data from baselines TRPO learn
kindred_callback = create_callback(shared_returns, load_model_data)
# Train baselines TRPO
learn(env,
policy_fn,
max_timesteps=40000,
timesteps_per_batch=2048,
max_kl=0.05,
cg_iters=10,
cg_damping=0.1,
vf_iters=5,
vf_stepsize=0.001,
gamma=0.995,
lam=0.995,
callback=kindred_callback)
# Safely terminate plotter process
plot_running.value = 0 # shutdown ploting process
time.sleep(2)
pp.join()
env.close()
def main():
# optionally use a pretrained model
save_model_path = None
load_model_path = None
load_trained_model = False
hidden_sizes = (64, 64, 64)
if len(sys.argv) > 2:# load model
load_trained_model = True
save_model_path = sys.argv[1] # saved/uniform/X/Y/Z/
os.makedirs(save_model_path, exist_ok=True)
run_dirs = os.listdir(save_model_path)
os.makedirs(save_model_path+'run_'+str(len(run_dirs)+1), exist_ok=True)
os.makedirs(save_model_path+'run_'+str(len(run_dirs)+1)+'/models', exist_ok=True)
os.makedirs(save_model_path+'run_'+str(len(run_dirs)+1)+'/data', exist_ok=True)
save_model_basepath = save_model_path+'run_'+str(len(run_dirs)+1)+'/'
if load_trained_model:# loading true
load_model_path = sys.argv[2] # saved/uniform/X/Y/Z/run_1/model*
# use fixed random state
#rand_state = np.random.RandomState(1).get_state()
#np.random.set_state(rand_state)
tf_set_seeds(np.random.randint(1, 2**31 - 1))
# Create the Create2 docker environment
# distro = np.array([0, 1, 0, 0, 0, 0, 0, 0, 0])
# distro = np.array([0.575, 0.425, 0, 0, 0, 0, 0, 0, 0])
# distro = np.array([0.25, 0.2, 0.55, 0, 0, 0, 0, 0, 0])
# distro = np.array([0.1, 0.1, 0.25, 0.55, 0, 0, 0, 0, 0])
# FAILED: distro = np.array([0.05, 0.05, 0.15, 0.275, 0, 0, 0, 0.475, 0])
# FAILED: distro = np.array([0.05, 0.05, 0.15, 0.275, 0, 0.475, 0, 0, 0])
# FAILED: distro = np.array([0.10, 0.05, 0.10, 0.35, 0, 0.4, 0, 0, 0])
#distro = np.array([0.10, 0.05, 0.10, 0.375, 0.375, 0, 0, 0, 0]) #run 1
# distro = np.array([0.06, 0.03, 0.06, 0.425, 0.425, 0, 0, 0, 0]) # run2
# distro = np.array([0.025, 0.05, 0.05, 0.25, 0.25, 0.375, 0, 0, 0]) # part 1, first 100 episodes
# OK: distro = np.array([0.05, 0.025, 0.05, 0.225, 0.225, 0.425, 0, 0, 0])
#distro = np.array([0.025, 0.02, 0.025, 0.1375, 0.1375, 0.3275, 0.3275, 0, 0])
# FAILED: distro = np.array([0.015, 0.015, 0.02, 0.06, 0.09, 0.35, 0.45, 0, 0])
distro = np.array([0, 1, 0, 0, 0, 0, 0, 0, 0])
env = Create2DockerEnv(30, distro,
port='/dev/ttyUSB0', ir_window=20,
ir_history=1,
obs_history=1, dt=0.045)
#random_state=rand_state)
env = NormalizedEnv(env)
# Start environment processes
env.start()
# Create baselines TRPO policy function
sess = U.single_threaded_session()
sess.__enter__()
def policy_fn(name, ob_space, ac_space):
return MlpPolicy(name=name, ob_space=ob_space, ac_space=ac_space,
hid_size=hidden_sizes[0], num_hid_layers=len(hidden_sizes))
# Create and start plotting process
#plot_running = Value('i', 1)
shared_returns = Manager().dict({
"write_lock": False,
"episodic_returns": [],
"episodic_lengths": [],
"episodic_ss": [],
})
# Spawn plotting process
#pp = Process(target=plot_create2_docker, args=(env, 2048, shared_returns, plot_running))
#pp.start()
# Create callback function for logging data from baselines TRPO learn
kindred_callback = create_callback(shared_returns, save_model_basepath, load_model_path)
# Train baselines PPO
model = learn(
env,
policy_fn,
max_timesteps=100000,
timesteps_per_actorbatch=675,#512
clip_param=0.2,
entcoeff=0.0,
optim_epochs=10,
optim_stepsize=0.00005,
optim_batchsize=16,
gamma=0.96836,
lam=0.99944,
schedule="linear",
callback=kindred_callback,
)
# Safely terminate plotter process
#plot_running.value = 0 # shutdown ploting process
#time.sleep(2)
#pp.join()
env.close()
