def test_reset_forecasts(self):
"""
Checks that episode forecasts is reset
"""
env = ActiveEnv()
start_env = copy.deepcopy(env)
env.reset()
assert norm(start_env.solar_forecasts - env.solar_forecasts) > 0.001
assert norm(start_env.demand_forecasts[0][:24] -
env.demand_forecasts[0][:24]) > 0.001
def test_action_override(self):
"""
checks that actions of commited loads are overwritten and that commitments
are updated correctly
"""
env = ActiveEnv(force_commitments=True)
env._commitments[0] = True
env.last_action[0] = 2
action = np.ones_like(env.last_action)
action[-1] = 0
action = env._check_commitment(action)
assert action[0] == -2
assert all(env._commitments[1:-1])
assert not any(env._commitments[[0, -1]])
def plot_forecasts():
"""
Plots solar and load forecast.
:return:
"""
hours = 100
env = ActiveEnv()
load = env.get_episode_demand_forecast()[0]
sol = env.get_episode_solar_forecast()
fig, ax = plt.subplots()
plt.plot(2000 * sol[:hours], axes=ax)
plt.plot(load[:hours], axes=ax)
plt.show()
def test_equal_loads(self):
"""
Checks that same seed gives the same loads, solar production
and rewards when set_parameters have been used
"""
env1 = ActiveEnv(seed=3)
env2 = ActiveEnv(seed=3)
env2.set_parameters({
'forecast_horizon': 10,
'state_space': ['sun', 'demand', 'imbalance']
})
for _ in range(5):
load1 = env1.powergrid.load['p_mw']
load2 = env2.powergrid.load['p_mw']
assert norm(load1 - load2) < 10e-5 # e
sun1 = env1.powergrid.sgen['p_mw']
sun2 = env2.powergrid.sgen['p_mw']
assert norm(sun1 - sun2) < 10e-5
action = env1.action_space.sample()
ob1, reward1, episode_over1, info1 = env1.step(action)
ob2, reward2, episode_over2, info2 = env2.step(action)
assert reward1 == reward2
def test_reward_parameters(self):
"""
Checks that rewards are different for different reward setups
"""
env1 = ActiveEnv(seed=3)
env1.set_parameters({'reward_terms': ['voltage']})
env2 = ActiveEnv(seed=3)
env2.set_parameters({'reward_terms': ['current']})
action = env1.action_space.sample()
reward1 = 0
while reward1 == 0:
ob1, reward1, episode_over1, info1 = env1.step(action)
ob2, reward2, episode_over2, info2 = env2.step(action)
assert reward1 != reward2
def load_env(model_name='flexible_load_first',seed=9):
#flexible_load_first, overnight, larger_margin_cost, discount_06, flex50
model_path = os.path.join(MODEL_PATH,model_name)
params_name = model_name +'_params.p'
param_path = os.path.join(MODEL_PATH,params_name)
try:
model = DDPG.load(model_path)
except:
model = PPO1.load(model_path)
env = ActiveEnv(seed=seed)
with open(param_path,'rb') as f:
params = pickle.load(f)
env.set_parameters(params)
model.set_env(env)
return model, env
def test_reset_seed(self):
"""
Checks that same seeds give same environment when
an episode resets
"""
env1 = ActiveEnv(seed=7)
env2 = ActiveEnv(seed=7)
env1.set_parameters({'episode_length': 3, 'forecast_horizon': 1})
env2.set_parameters({'episode_length': 3, 'forecast_horizon': 1})
for _ in range(4):
action = env1.action_space.sample()
ob1, reward1, episode_over1, info1 = env1.step(action)
ob2, reward2, episode_over2, info2 = env2.step(action)
load1 = env1.powergrid.load['p_mw']
load2 = env2.powergrid.load['p_mw']
assert norm(load1 - load2) < 10e-5 # e
def test_set_params(self):
"""
Checks that the forecasts are equal when set_parameters is used
to change solar and demand scale
"""
env1 = ActiveEnv(seed=3)
solar_scale1 = env1.params['solar_scale']
demand_scale1 = env1.params['demand_scale']
env2 = ActiveEnv(seed=3)
env2.set_parameters({
'solar_scale': solar_scale1 * 2,
'demand_scale': demand_scale1 * 3
})
solar1, solar2 = env1.get_solar_forecast(), env2.get_solar_forecast()
demand1, demand2 = env1.get_demand_forecast(
), env2.get_demand_forecast()
assert norm(solar1 * 2 - solar2) < 10e-7
assert norm(demand1[0] * 3 - demand2[0]) < 10e-7
def test_error_term_solar(self):
"""
Checks that the forecast values for solar irradiance deviates from
the actual values
"""
env = ActiveEnv(seed=3)
env.set_parameters({'solar_std': 0.5})
while env.get_solar_forecast()[0, 0] < 0.01: # to avoid night (no sun)
action = env.action_space.sample()
env.step(action)
nominal_sun = env.powergrid.sgen['sn_mva']
solar_forecast = nominal_sun * env.get_solar_forecast()[:, 0]
solar = -env.powergrid.sgen['p_mw']
assert norm(solar_forecast - solar) > 0.01
def test_action(self):
"""
Checks that action is taken and updates the network, but only if
load is not commited
"""
flex = 0.1
env = ActiveEnv(force_commitments=True)
env.set_parameters({'flexibility': flex, 'demand_std': 0})
env.set_demand_and_solar()
demand = copy.copy(env.powergrid.load['p_mw'].values)
action1 = np.ones_like(env.last_action)
action1 = env.action_space.sample()
scaled_action1 = flex * action1 * env.powergrid.load['p_mw']
env._take_action(action1)
assert norm(env.powergrid.load['p_mw'].values -
(demand + scaled_action1)) < 10e-4
action2 = env.action_space.sample()
env._take_action(action2)
# action2 should by modified to cancel effect of action1
assert norm(env.last_action + scaled_action1) < 10e-4
assert norm(env.powergrid.load['p_mw'].values - demand) < 10e-4
def update_param_dict(for_reals=False):
if for_reals:
env = ActiveEnv()
model_dir = 'C:\\Users\\vegar\Dropbox\Master\\thesis.git\RLpower\models'
for model in os.listdir(model_dir):
if 'params' in model:
with open(os.path.join(model_dir,model),'rb') as f:
olds_params = pickle.load(f)
missing_params = [p for p in env.params if p not in olds_params]
params_values = {'reactive_power':False,
'solar_std': 0,
'total_imbalance':True,
'demand_std': 0}
for param in missing_params:
olds_params[param] = params_values[param]
assert all([p in env.params for p in olds_params])
with open(os.path.join(model_dir,model),'wb') as f:
pickle.dump(olds_params,f)
def test_constant_consumption(self):
"""
Checks that the total demand and total modified demand is the same.
In other words, checks that consumption is shifted and not altered.
This should hold when 'hours' is even and force_commitments is True
"""
env = ActiveEnv(force_commitments=True)
env.set_parameters({'demand_std': 0})
hours = 24
for hour in range(hours):
action = 1 * np.ones(len(env.powergrid.load))
ob, reward, episode_over, info = env.step(action)
total_demand = env.get_scaled_demand_forecast()[:, :hours].sum()
total_modified_demand = env.resulting_demand[:hours].sum()
assert np.abs(total_demand - total_modified_demand) < 10e-6
from keras.models import Sequential, Model
from keras.layers import Dense, Activation, Flatten, Input, Concatenate
from keras.optimizers import Adam
from keras.layers.normalization import BatchNormalization
from rl.agents import DDPGAgent
from rl.memory import SequentialMemory
from rl.random import OrnsteinUhlenbeckProcess
from active_env.envs.twobus_env import TwoBusEnv, PowerEnvOld, PowerEnvOldNormalized
from active_env.envs.active_network_env import ActiveEnv
ENV_NAME = 'Pendulum-v0'
# Get the environment and extract the number of actions.
#powergrid = gym.make(ENV_NAME)
env = ActiveEnv()
env.set_parameters({
'state_space': ['sun', 'demand', 'imbalance'],
'voltage_weight': 10,
'current_weight': 0.1,
'reward_terms': ['voltage', 'current', 'imbalance']
})
#env = PowerEnvOldNormalized()
#env = PowerEnvStep()
np.random.seed(123)
env.seed(123)
assert len(env.action_space.shape) == 1
nb_actions = env.action_space.shape[0]
dotenv.load_dotenv()
from active_env.envs.active_network_env import ActiveEnv
from stable_baselines.common.vec_env.dummy_vec_env import DummyVecEnv
from stable_baselines.ddpg.policies import MlpPolicy, LnMlpPolicy
from stable_baselines.ddpg.noise import OrnsteinUhlenbeckActionNoise
from stable_baselines import DDPG
from stable_baselines.ddpg.noise import AdaptiveParamNoiseSpec
import pickle
import matplotlib.pyplot as plt
import pandas as pd
import numpy as np
DATA_PATH = os.getenv('DATA_PATH')
powerenv = ActiveEnv()
powerenv.set_parameters({
'state_space': ['sun', 'demand', 'imbalance'],
'reward_terms': ['voltage', 'current', 'imbalance']
})
powerenv = DummyVecEnv([lambda: powerenv])
action_mean = np.zeros(powerenv.action_space.shape)
action_sigma = 0.3 * np.ones(powerenv.action_space.shape)
action_noise = OrnsteinUhlenbeckActionNoise(mean=action_mean,
sigma=action_sigma)
param_noise = AdaptiveParamNoiseSpec(initial_stddev=0.2,
desired_action_stddev=0.01)
t_steps = 800000
# -*- coding: utf-8 -*-
"""
Training the reinforcement agent using stable baselines
"""
__author__ = 'Vegard Solberg'
__email__ = '*****@*****.**'
from active_env.envs.active_network_env import ActiveEnv
from stable_baselines.common.vec_env.dummy_vec_env import DummyVecEnv
from stable_baselines.ddpg.policies import LnMlpPolicy
from stable_baselines.ddpg.noise import OrnsteinUhlenbeckActionNoise
from stable_baselines import DDPG
from stable_baselines.ddpg.noise import AdaptiveParamNoiseSpec
import numpy as np
powerenv = ActiveEnv()
powerenv.set_parameters({
'state_space': ['sun', 'demand', 'imbalance'],
'reward_terms': ['voltage', 'current', 'imbalance']
})
powerenv = DummyVecEnv([lambda: powerenv])
action_mean = np.zeros(powerenv.action_space.shape)
action_sigma = 0.3 * np.ones(powerenv.action_space.shape)
action_noise = OrnsteinUhlenbeckActionNoise(mean=action_mean,
sigma=action_sigma)
param_noise = AdaptiveParamNoiseSpec(initial_stddev=0.2,
desired_action_stddev=0.01)
t_steps = 800000
# -*- coding: utf-8 -*-
"""
"""
import copy
import pytest
import copy
import numpy as np
from numpy.linalg import norm
from active_env.envs.active_network_env import ActiveEnv
__author__ = 'Vegard Solberg'
__email__ = '*****@*****.**'
ENV = ActiveEnv()
class TestForecasts:
def test_initial_forecasts(self):
"""
Checks that there are forecasts for every load, and that there always
exist forecasts k hours in the future for all time steps.
"""
env = copy.deepcopy(ENV)
episode_load_forecasts = env.get_episode_demand_forecast()
assert len(episode_load_forecasts) == 1 # len(ENV.powergrid.load)
horizon = env.params['forecast_horizon']
episode_length = env.params['episode_length']
for load in episode_load_forecasts:
assert load.shape[0] - episode_length >= horizon
def test_forecast_seed(self):
"""
Checks that same forecasts is used for same seed
"""
env1 = ActiveEnv(seed=3)
env2 = ActiveEnv(seed=3)
env3 = ActiveEnv(seed=4)
solar1 = env1.get_episode_solar_forecast()
solar2 = env2.get_episode_solar_forecast()
solar3 = env3.get_episode_solar_forecast()
assert norm(solar1 - solar2) < 10e-5
assert norm(solar1 - solar3) > 10e-3
demand1 = env1.get_episode_demand_forecast()
demand2 = env2.get_episode_demand_forecast()
demand3 = env3.get_episode_demand_forecast()
assert norm(demand1 - demand2) < 10e-5
assert norm(demand1 - demand3) > 10e-3
