符号说明：
F(X)
—惩罚适应值函数值 — 目标函数 — 最大的目标函数值 — 不等式约束 — 等式约束 — 当前的迭代次数 — 惩罚系数 — 种群大小 — 约束个数总数 — 决策变量的个数 — 行走方向概率 — 收益最大值 — 不等式约束个数
si
—第i个约束条件在种群中被违反次数总和 — 候选选解x违反每一约束条件的程度函数 — 候选解x违反每一约束条件的程度函数 — 变量的下限 — 变量的下限 — 烯烃流速（桶/天） — 酸添加速率（千磅/天） — 烷基化物产率（桶/天） — 酸强度（质量分数） — 马达法辛烷值
— 异丁烷补充流与烯烃的比率 — F-4性能值 — 容许度
f(X) fmax gi(X) hi(X) k ki
F(X)
vi(x)
xL
xU
x1
x2 x3 x4 x5 x6
M m n
pk
profit
x7
δ
q
参考文献 [1]
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