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geneticAlgorithmOnSch.py
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geneticAlgorithmOnSch.py
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import math
import timeit
import numpy as np
import random
class GA :
def __init__(self, populationSize, selectionProbability, threshold, mutationProbability):
self.job = ['j1', 'j2']
self.operation = [['o11', 'o22'],
['o21', 'o22', 'o23']]
self.machine = {'o11' : [2, 6, 5, 3, 4],
'o12' :[999, 8, 999, 4, 999],
'o21' : [3, 999, 6, 999, 5],
'o22' :[4, 6, 5, 999, 999],
'o23' : [999, 7, 11, 5, 8]}
self.operations = 5
self.populationSize = populationSize
self.selectionProbability = selectionProbability
self.mutationProbability = mutationProbability
self.threshold = threshold
self.chromosome = []
self.fitness = []
self.population = [[], []]
def getFitness(self, chromosome) :
fitness = 0
ms = chromosome[0]
os = chromosome[1]
temp_oper = self.operation
real_os = []
real_pTime = [0, 0, 0, 0, 0]
for o in range(self.operations) :
real_os.append(temp_oper[os[o]-1].pop(0))
for o in range(real_os) :
real_ms = [0, 0]
for i in range(real_os) :
print()
# TODO: O_ij가 ms에 따라 상대적 할당될 시 pTime-> real_ms[0], 절대적 할당경로 -> real_ms[1]
fitness += self.machine[o][real_ms[0]]
real_pTime[real_ms[1]] += self.machine[o][real_ms[0]]
return fitness
def selectMachine(self, operation) :
alt = self.machine[operation]
def globalSelectionInit(self) :
print()
# TODO : GS부
def localSelectionInit(self):
print()
# TODO : ls부
def evolution(self) :
# TODO : Init부
# TODO : Crossover부
# TODO : Muatate부
print(self.getFitness([[4,1,2,2,4],[2,2,1,1,2]]))
if __name__ == "__main__" :
ga = GA(populationSize=20, selectionProbability=0.5, threshold=0.7, mutationProbability=0.1)
ga.evolution()