def test_batch_sim(self):
# specify start_time as the beginning of today
now = datetime.now()
start_time = datetime.combine(now.date(), datetime.min.time())
# --------- Create Random Scenario --------------
# Create a simulation environment
patient = T1DPatient.withName('adolescent#001')
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
scenario = RandomScenario(start_time=start_time, seed=1)
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = BBController()
# Put them together to create a simulation object
s1 = SimObj(env, controller, timedelta(
days=2), animate=True, path=save_folder)
results1 = sim(s1)
# --------- Create Custom Scenario --------------
# Create a simulation environment
patient = T1DPatient.withName('adolescent#001')
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
# custom scenario is a list of tuples (time, meal_size)
scen = [(7, 45), (12, 70), (16, 15), (18, 80), (23, 10)]
scenario = CustomScenario(start_time=start_time, scenario=scen)
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = BBController()
# Put them together to create a simulation object
s2 = SimObj(env, controller, timedelta(
days=2), animate=False, path=save_folder)
results2 = sim(s2)
# --------- batch simulation --------------
s1.reset()
s2.reset()
s1.animate = False
s = [s1, s2]
results_para = batch_sim(s, parallel=True)
s1.reset()
s2.reset()
s = [s1, s2]
results_serial = batch_sim(s, parallel=False)
assert_frame_equal(results_para[0], results1)
assert_frame_equal(results_para[1], results2)
for r1, r2 in zip(results_para, results_serial):
assert_frame_equal(r1, r2)
def local_build_env(pname):
patient = T1DPatient.withName(pname)
cgm_sensor = CGMSensor.withName(cgm_sensor_name, seed=cgm_seed)
insulin_pump = InsulinPump.withName(insulin_pump_name)
scen = copy.deepcopy(scenario)
env = T1DSimEnv(patient, cgm_sensor, insulin_pump, scen)
return env
def run_sim_PID_once(pname, runtime, meals, controller_params):
'''
Run the simulation a single time on a single patient with the PID controller.
Parameters
----------
pname: str
patient name
runtime: int
simulation time, in hours.
meals: (timedelta, int)
a tuple containing the time of meal (as referenced from simulation start) and the meal size, in grams.
targetBG: int
the target blood glucose for the controller, in mg/dl
lowBG: int
the pump suspension glucose for the controller, in mg/dl
Returns
-------
A pandas dataframe containing the simulation results.
axis=0: time, type datetime.datetime
axis=1: data category, type str
'''
sensor = CGMSensor.withName('Dexcom')
pump = InsulinPump.withName('Insulet')
scenario = CustomScenario(start_time = datetime(2020, 1, 1, 0,0,0), scenario=meals)
obj = SimObj(T1DSimEnv(T1DPatient.withName(pname),
sensor,
pump,
scenario),
controller.PIDController(controller_params, pname),
timedelta(hours=runtime),
animate=False,
path=None)
return sim(obj)
def build_env(pname):
patient = T1DPatient.withName(pname)
sensor = CGMSensor.withName('Dexcom')
pump = InsulinPump.withName('Insulet')
copied_scenario = copy.deepcopy(scenario)
env = T1DSimEnv(patient, sensor, pump, copied_scenario)
return env
def test_results_consistency(self):
# Test data
results_exp = pd.read_csv(TESTDATA_FILENAME, index_col=0)
results_exp.index = pd.to_datetime(results_exp.index)
# specify start_time as the beginning of today
start_time = datetime(2018, 1, 1, 0, 0, 0)
# --------- Create Random Scenario --------------
# Create a simulation environment
patient = T1DPatient.withName('adolescent#001')
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
scenario = RandomScenario(start_time=start_time, seed=1)
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = BBController()
# Put them together to create a simulation object
s = SimObj(env,
controller,
timedelta(days=2),
animate=False,
path=save_folder)
results = sim(s)
assert_frame_equal(results, results_exp)
def run_sim_PID(no_runs, patients, runtime, meals, controller_params):
'''
Run the simulation a single time on a list of patients with the PID controller.
Parameters
----------
no_runs: int
the number of separate simulation runs.
patients: list of str
a list of patient name strings. Patient name strings can be found in the params/Quest.csv file inside simGlucose.
runtime: int
simulation time, in hours.
meals: (timedelta, int)
a tuple containing the time of meal (as referenced from simulation start) and the meal size, in grams.
targetBG: int
the target blood glucose for the controller, in mg/dl
lowBG: int
the pump suspension glucose for the controller, in mg/dl
Returns
-------
A pandas dataframe containing the simulation results.
axis=0: time, type datetime.datetime
axis=1: MultiIndex
level 0: data category, type str
level 1: patient id, type str
level 2: run number, type int (starts at 1)
'''
sensor = CGMSensor.withName('Dexcom')
pump = InsulinPump.withName('Insulet')
scenario = CustomScenario(start_time = datetime(2020, 1, 1, 0,0,0), scenario=meals)
sim_objs = []
keys = []
for run in range(0, no_runs):
for pname in patients:
sim_objs.append(SimObj(T1DSimEnv(T1DPatient.withName(pname),
sensor,
pump,
copy.deepcopy(scenario)), # because random numbers.
controller.PIDController(controller_params, pname),
timedelta(hours=runtime),
animate=False,
path=None))
keys.append((run + 1, pname))
p_start = time.time()
print('Running batch simulation of {} items...'.format(len(patients * no_runs)))
p = pathos.pools.ProcessPool()
results = p.map(sim, sim_objs)
print('Simulation took {} seconds.'.format(time.time() - p_start))
return pd.concat(results, axis=1, keys=keys)
def pidsim():
for idx,patient in enumerate(patients):
patient = T1DPatient.withName(patient)
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
p,i,d = pidparams[idx]
for seed in range (10,20):
scenario = RandomScenario(start_time=start_time, seed=randint(10, 99999))
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = FoxPIDController(112.517,kp=p, ki=i, kd=d)
# Put them together to create a simulation object
s1 = SimObj(env, controller, timedelta(days=10), animate=False, path=path+str(seed))
results1 = sim(s1)
print('Complete:',patient.name,'-',seed)
print('All done!')
def bbsim():
for patient in patients:
patient = T1DPatient.withName(patient)
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
for seed in range(10, 20):
scenario = RandomScenario(start_time=start_time,
seed=randint(10, 99999))
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = BBController()
# Put them together to create a simulation object
s1 = SimObj(env,
controller,
timedelta(days=10),
animate=False,
path=path + str(seed))
results1 = sim(s1)
print('Complete:', patient.name, '-', seed)
print('All done!')
filename = 'dfs/' + 'p_' + str(PIDparams[0]) + ' i_' + str(PIDparams[1]) + ' d_' + str(PIDparams[2]) + ' target_' + str(PIDparams[3]) + '.bz2'
dfs.to_pickle(filename)
=======
pname = "adult#001"
t = 9
meals = [(timedelta(hours=2), 50)]
sensor = CGMSensor.withName('Dexcom')
pump = InsulinPump.withName('Insulet')
scenario = CustomScenario(start_time = datetime(2020, 1, 1, 0,0,0), scenario=meals)
keys = []
# forward horizon
horizon = 50
controller_params = (140, 80, horizon)
obj= SimObj(T1DSimEnv(T1DPatient.withName(pname),
sensor,
pump,
copy.deepcopy(scenario)), # because random numbers.
controller.MPCNaive(controller_params, pname),
timedelta(hours=t),
animate=False,
path=None)
keys.append((1, pname))
p_start = time.time()
results = sim(obj)
print('Simulation took {} seconds.'.format(time.time() - p_start))
dfs = results
filename = 'mpc_test.bz2'
dfs.to_pickle(filename)
>>>>>>> MPC-exploration
from datetime import datetime
# specify start_time as the beginning of today
now = datetime.now()
start_time = datetime.combine(now.date(), datetime.min.time())
# --------- Create Random Scenario --------------
# Specify results saving path
path = './results'
# Create a simulation environment
patient = T1DPatient.withName('adolescent#001')
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
scenario = RandomScenario(start_time=start_time, seed=1)
env = T1DSimEnv(patient, sensor, pump, scenario)
# Create a controller
controller = BBController()
# Put them together to create a simulation object
s1 = SimObj(env, controller, timedelta(days=1), animate=False, path=path)
results1 = sim(s1)
print(results1)
# --------- Create Custom Scenario --------------
# Create a simulation environment
patient = T1DPatient.withName('adolescent#001')
sensor = CGMSensor.withName('Dexcom', seed=1)
pump = InsulinPump.withName('Insulet')
# custom scenario is a list of tuples (time, meal_size)
self.state = init_state
def policy(self, observation, reward, done, **info):
self.state = observation
action = Action(basal=.0, bolus=0)
return action
def reset(self):
self.state = self.init_state
# patient setup
patientID = 12
patient = T1DPatient.withID(12)
sim_sensor = CGMSensor.withName('Dexcom')
sim_pump = InsulinPump.withName('Insulet')
# env setup
RANDOM_SEED = 25
sim_start_time = datetime.now()
sim_run_time = timedelta(hours=24)
sim_scenario = RandomScenario(start_time = sim_start_time, seed = RANDOM_SEED)
environment = T1DSimEnv(patient, sim_sensor, sim_pump, sim_scenario)
controller = blankController(0)
# script saves csv(s) into this path
results_path = './results/'
simulator = SimObj(
environment,
controller,
sim_run_time,
animate=False,
path = results_path
sim(simulator)
# env setup
RANDOM_SEED = 5550
RUN_TIME = 48
sim_start_time = datetime(2020, 1, 1, 0, 0, 0)
sim_run_time = timedelta(hours=RUN_TIME)
# random scenario
random_scen = RandomScenario(start_time=sim_start_time, seed=RANDOM_SEED)
# custom scenario
# meals is a list of tuples, each tuple containing a timedelta (time after start of sim) and a meal size, in g CHO.
meals = [(timedelta(hours=12), 100)]
# generate the custom scenario with the list of meals
custom_scen = CustomScenario(start_time=sim_start_time, scenario=meals)
# choose scenario
environment = T1DSimEnv(patient, sim_sensor, sim_pump, custom_scen)
# choose controller
controller = PController(gain=0.04, dweight=.5, pweight=1, target=120)
# script saves csv(s) into this path
results_path = './results/'
simulator = SimObj(environment,
controller,
sim_run_time,
animate=False,
path=results_path)
results = sim(simulator)
plotBG.group_plot(results, savedir='./results')
