2 Commits

Author SHA1 Message Date
b172e93a85 update without blocking errors 2026-01-17 22:49:16 +01:00
7d55ba0840 update without blocking errors 2026-01-17 22:48:11 +01:00
3 changed files with 63 additions and 154 deletions

121
main.py
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@@ -1,121 +1,6 @@
import time def main():
import numpy as np print("Hello from optim-meta!")
import matplotlib.pyplot as plt
import copy
from mopso import MOPSO
from surrogate_handler import SurrogateHandler
# --- EXTENDED CLASS (Inheritance) ---
class SmartMOPSO(MOPSO):
def __init__(self, model_type=None, **kwargs):
super().__init__(**kwargs)
# Initialize Surrogate Handler if model_type is provided
self.use_surrogate = (model_type is not None)
if self.use_surrogate:
self.surrogate_handler = SurrogateHandler(model_type)
# Pre-fill with initial particle data
for p in self.particles:
self.surrogate_handler.add_data(p.x, p.f_current[1])
def iterate(self):
train_freq = 10 # Retrain every 10 iterations
# Check if retraining is needed
if self.use_surrogate and (self.t % train_freq == 0):
self.surrogate_handler.train()
# Determine if AI prediction should be used
use_ai = (self.use_surrogate and
self.surrogate_handler.is_trained and
self.t % train_freq != 0)
# Main loop (overriding original logic to manage control flow)
for t in range(self.t):
self.select_leader()
for i in range(self.n):
# Movement (unchanged)
self.particles[i].update_velocity(self.leader.x, self.c1, self.c2, self.w)
self.particles[i].update_position()
self.particles[i].keep_boudaries(self.A_max)
# --- MODIFIED PART: EVALUATION ---
if use_ai:
# 1. Fast exact calculation (f1, f3)
f1 = self.particles[i].f1(self.prices)
f3 = self.particles[i].f3()
# 2. Slow prediction (f2) via AI
f2_pred = self.surrogate_handler.predict(self.particles[i].x)
# 3. Inject scores without running the expensive 'updating_socs'
self.particles[i].f_current = [f1, f2_pred, f3]
else:
# Standard Calculation (Slow & Exact)
self.particles[i].updating_socs(self.socs, self.capacities)
self.particles[i].evaluate(self.prices, self.socs, self.socs_req, self.times)
# Capture data for AI training
if self.use_surrogate:
self.surrogate_handler.add_data(self.particles[i].x, self.particles[i].f_current[1])
self.particles[i].update_best()
self.update_archive()
# --- EXECUTION FUNCTION ---
def run_scenario(scenario_name, model_type=None):
print(f"\n--- Launching Scenario: {scenario_name} ---")
start_time = time.time()
# Simulation parameters
params = {
'f_weights': [1,1,1], 'A_max': 500, 'price_mean': 0.15, 'price_std': 0.05,
'capacities': [50]*10, 'n': 20, 't': 50,
'w': 0.4, 'c1': 2.0, 'c2': 2.0,
'nb_vehicles': 10, 'delta_t': 60, 'nb_of_ticks': 72
}
# Instantiate extended class
optimizer = SmartMOPSO(model_type=model_type, **params)
# Run simulation
optimizer.iterate()
end_time = time.time()
duration = end_time - start_time
# Retrieve best f2 (e.g., from archive)
best_f2 = min([p.f_current[1] for p in optimizer.archive]) if optimizer.archive else 0
print(f"Finished in {duration:.2f} seconds.")
print(f"Best f2 found: {best_f2:.4f}")
return duration, best_f2
# --- MAIN ---
if __name__ == "__main__": if __name__ == "__main__":
results = {} main()
# 1. Without Surrogate (Baseline)
d1, f1_score = run_scenario("No AI", model_type=None)
results['No-AI'] = (d1, f1_score)
# 2. With MLP
d2, f2_score = run_scenario("With MLP", model_type='mlp')
results['MLP'] = (d2, f2_score)
# 3. With Random Forest
d3, f3_score = run_scenario("With Random Forest", model_type='rf')
results['RF'] = (d3, f3_score)
# --- DISPLAY RESULTS ---
print("\n=== SUMMARY ===")
print(f"{'Mode':<15} | {'Time (s)':<10} | {'Best f2':<10}")
print("-" * 45)
for k, v in results.items():
print(f"{k:<15} | {v[0]:<10.2f} | {v[1]:<10.4f}")

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@@ -1,5 +1,6 @@
import random as rd import random as rd
from .particle import Particle from .particle import Particle
import copy
class MOPSO(): class MOPSO():
def __init__(self, f_weights:list, A_max:float, price_mean:float, price_std:float, capacities:list, n:int, t:int, w:float, c1:float, c2:float, archive_size:int=10, nb_vehicles:int=10, delta_t:int=60, nb_of_ticks:int=72, x_min=-100, x_max=100, v_alpha=0.1, surrogate=False): def __init__(self, f_weights:list, A_max:float, price_mean:float, price_std:float, capacities:list, n:int, t:int, w:float, c1:float, c2:float, archive_size:int=10, nb_vehicles:int=10, delta_t:int=60, nb_of_ticks:int=72, x_min=-100, x_max=100, v_alpha=0.1, surrogate=False):
@@ -18,16 +19,27 @@ class MOPSO():
self.A_max = A_max # Network's power limit self.A_max = A_max # Network's power limit
self.socs, self.socs_req = self.generate_state_of_charges(nb_vehicles,nb_of_ticks) self.socs, self.socs_req = self.generate_state_of_charges(nb_vehicles,nb_of_ticks)
self.times = self.generate_times(nb_vehicles, nb_of_ticks, delta_t) self.times = self.generate_times(nb_vehicles, nb_of_ticks, delta_t)
self.prices = self.generates_prices(price_mean,price_std) #TODO: Use RTE France prices for random prices generation according to number of ticks self.prices = self.generates_prices(nb_of_ticks,price_mean,price_std) #TODO: Use RTE France prices for random prices generation according to number of ticks
self.capacities = capacities self.capacities = capacities
# Particles of the simulation # Particles of the simulation
self.particles = [Particle(nb_vehicles=nb_vehicles, nb_of_ticks=nb_of_ticks, delta_t=delta_t, x_min=x_min, x_max=x_max, alpha=v_alpha) for _ in range(self.n)] self.particles = [
Particle(
socs=copy.deepcopy(self.socs),
times=self.times, # Ajouté ici
nb_vehicles=nb_vehicles,
nb_of_ticks=nb_of_ticks,
delta_t=delta_t,
x_min=x_min,
x_max=x_max,
alpha=v_alpha
) for _ in range(self.n)
]
self.archive = [] self.archive = []
self.leader = self.particles[0] # it doesnt matter as the first thing done is choosing a new leader self.leader = self.particles[0] # it doesnt matter as the first thing done is choosing a new leader
for i in range(self.n): for i in range(self.n):
self.particles[i].evaluate(self.f_weights, self.prices, self.socs, self.socs_req, self.times) self.particles[i].evaluate(self.prices, self.socs, self.socs_req, self.times)
self.update_archive() self.update_archive()
def iterate(self): def iterate(self):
@@ -78,46 +90,48 @@ class MOPSO():
# Genrates the coordinated states of charges requested and initial (duplicated initially for other ticks) # Genrates the coordinated states of charges requested and initial (duplicated initially for other ticks)
def generate_state_of_charges(self, nb_vehicles:int, nb_of_ticks:int): def generate_state_of_charges(self, nb_vehicles:int, nb_of_ticks:int):
socs = [] # Structure souhaitée : socs[tick][vehicle] pour être cohérent avec self.x[tick][vehicle]
socs = [[0.0 for _ in range(nb_vehicles)] for _ in range(nb_of_ticks)]
socs_req = [] socs_req = []
# We ensure soc_req is greater than what the soc_init is (percentage transformed into floats)
for _ in range(nb_vehicles): for i in range(nb_vehicles):
soc_init = rd.randrange(0, 100, 1) soc_init = rd.randrange(0, 100, 1)
soc_req = rd.randrange(soc_init + 1, 101, 1) soc_req = rd.randrange(soc_init + 1, 101, 1)
# Creating states of charges for each tick in time # Remplissage de la matrice 2D
for _ in range(nb_of_ticks): for tick in range(nb_of_ticks):
socs.append(soc_init/100) socs[tick][i] = soc_init / 100.0
socs_req.append(soc_req / 100.0)
# Adding the requested state of charge
socs_req.append(soc_req/100)
return socs, socs_req return socs, socs_req
# True if a dominates b, else false # True if a dominates b, else false
def dominates(a:Particle, b:Particle): def dominates(self, a:Particle, b:Particle):
dominates = (a.f_current[0] >= b.f_current[0]) and (a.f_current[1] >= b.f_current[1]) and (a.f_current[2] >= b.f_current[2]) dominates = (a.f_current[0] <= b.f_current[0]) and (a.f_current[1] <= b.f_current[1]) and (a.f_current[2] <= b.f_current[2])
if dominates: if dominates:
# Not strict superiority yet # Not strict superiority yet
dominates = (a.f_current[0] > b.f_current[0]) or (a.f_current[1] > b.f_current[1]) or (a.f_current[2] > b.f_current[2]) dominates = (a.f_current[0] < b.f_current[0]) or (a.f_current[1] < b.f_current[1]) or (a.f_current[2] < b.f_current[2])
return dominates return dominates
def update_archive(self): def update_archive(self):
candidates = self.archive + self.particles candidates = self.archive + self.particles
length = len(candidates) length = len(candidates)
non_dominated = [] non_dominated = []
for i in range(length): for i in range(length):
candidate_i = candidates[i] candidate_i = candidates[i]
dominates = True is_dominated = False
for j in range(length): for j in range(length):
if i != j: if i != j:
candidate_j = candidates[j] candidate_j = candidates[j]
dominates = dominates and self.dominates(candidate_i, candidate_j) if self.dominates(candidate_j, candidate_i):
if dominates: is_dominated = True
break
if not is_dominated:
non_dominated.append(candidate_i) non_dominated.append(candidate_i)
# Keeping only a certain number of solutions depending on archive_size (to avoid overloading the number of potential directions for particles)
if len(non_dominated) > self.archive_size: if len(non_dominated) > self.archive_size:
final_non_dominated = [] final_non_dominated = []
while len(final_non_dominated) < self.archive_size: while len(final_non_dominated) < self.archive_size:

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@@ -1,12 +1,14 @@
import random as rd import random as rd
import copy
class Particle(): class Particle():
def __init__(self,socs:list, nb_vehicles:int=10, delta_t:int=60, nb_of_ticks:int=72, x_min=-100, x_max=100, alpha=0.1): def __init__(self, socs:list, times:list, nb_vehicles:int=10, delta_t:int=60, nb_of_ticks:int=72, x_min=-100, x_max=100, alpha=0.1):
# Problem specific attributes # Problem specific attributes
self.nb_vehicles = nb_vehicles # Number of vehicles handles for the generations of position x self.nb_vehicles = nb_vehicles # Number of vehicles handles for the generations of position x
self.delta_t = delta_t # delta_t for update purposes self.delta_t = delta_t # delta_t for update purposes
self.nb_of_ticks = nb_of_ticks # Accounting for time evolution of the solution (multiplied by delta_t) self.nb_of_ticks = nb_of_ticks # Accounting for time evolution of the solution (multiplied by delta_t)
self.socs = socs # States of charges for the particle current position (self.x) self.socs = socs # States of charges for the particle current position (self.x)
self.times = times
# Minima and maxima of a position value # Minima and maxima of a position value
self.x_min = x_min self.x_min = x_min
@@ -63,10 +65,7 @@ class Particle():
self.x[tick][i] = self.x[tick][i] * 0.9 self.x[tick][i] = self.x[tick][i] * 0.9
current_power = self.get_current_grid_stress(tick) current_power = self.get_current_grid_stress(tick)
def update_socs(self, capacities):
for tick in range(self.nb_of_ticks):
for i in range(self.nb_vehicles-1):
self.socs[tick][i+1] = self.socs[tick][i] + (self.x[tick][i] / capacities[i])
def generate_position(self): def generate_position(self):
pos = [] pos = []
@@ -91,7 +90,7 @@ class Particle():
# Function objective # Function objective
def evaluate(self,elec_prices,socs,socs_req,times): def evaluate(self,elec_prices,socs,socs_req,times):
f1 = self.f1(elec_prices) f1 = self.f1(elec_prices)
f2 = self.f2(socs,socs_req,times) f2 = self.f2(self.socs,socs_req,times)
f3 = self.f3() f3 = self.f3()
# Keeping in memory evaluation of each objective for domination evaluation # Keeping in memory evaluation of each objective for domination evaluation
@@ -103,13 +102,13 @@ class Particle():
self.f_current = f_current self.f_current = f_current
def update_best(self): def update_best(self):
current_better = (self.f_current[0] >= self.f_best[0]) and (self.f_current[1] >= self.f_best[1]) and (self.f_current[2] >= self.f_best[2]) current_better = (self.f_current[0] <= self.f_best[0]) and (self.f_current[1] <= self.f_best[1]) and (self.f_current[2] <= self.f_best[2])
if current_better: if current_better:
# Not strict superiority yet # Not strict superiority yet
current_dominates = (self.f_current[0] > self.f_best[0]) or (self.f_current[1] > self.f_best[1]) or (self.f_current[2] > self.f_best[2]) current_dominates = (self.f_current[0] < self.f_best[0]) or (self.f_current[1] < self.f_best[1]) or (self.f_current[2] < self.f_best[2])
if current_dominates: if current_dominates:
self.p_best = self.x self.p_best = copy.deepcopy(self.x)
self.f_best = self.f_current self.f_best = self.f_current[:]
# Calculate the price of the electricity consumption in the grid SUM(1_to_T)(Epsilon_t * A_t * delta_t) # Calculate the price of the electricity consumption in the grid SUM(1_to_T)(Epsilon_t * A_t * delta_t)
def f1(self,elec_prices): def f1(self,elec_prices):
@@ -142,5 +141,16 @@ class Particle():
current_grid_stress += self.x[tick][i] current_grid_stress += self.x[tick][i]
return current_grid_stress return current_grid_stress
def updating_socs(self, socs, capacities): def updating_socs(self, initial_socs, capacities):
pass
# Calcul de l'évolution temporelle
for tick in range(self.nb_of_ticks - 1): # On s'arrête à l'avant-dernier pour calculer le suivant
for i in range(self.nb_vehicles):
# SoC(t+1) = SoC(t) + (Puissance(t) * delta_t / Capacité)
energy_added = (self.x[tick][i] * (self.delta_t / 60))
# Mise à jour du tick suivant basé sur le tick actuel
# On utilise initial_socs comme base si c'est une liste de listes [tick][vehicule]
self.socs[tick+1][i] = self.socs[tick][i] + (energy_added / capacities[i])
self.socs[tick+1][i] = max(0.0, min(1.0, self.socs[tick+1][i]))