机械工程学报
機械工程學報
궤계공정학보
CHINESE JOURNAL OF MECHANICAL ENGINEERING
2015年
9期
159-164
,共6页
侯媛彬%薛斐%郑茂全%樊荣
侯媛彬%薛斐%鄭茂全%樊榮
후원빈%설비%정무전%번영
流水线优化控制%最短加工时间%多层编码%遗传-粒子群融合算法
流水線優化控製%最短加工時間%多層編碼%遺傳-粒子群融閤算法
류수선우화공제%최단가공시간%다층편마%유전-입자군융합산법
flow-shop optimizing control%minimize production time%multilayer-coded%genetic-particle swarm algorithm
针对机械加工行业中多任务加工的流水线自动优化控制问题,建立了以“多工件多工序最短加工时间”为目标,以“实际加工限制”为约束的流水线加工控制数学模型,提出一种基于多层编码的遗传-粒子群融合算法。该算法以粒子群算法思想为基础,融合了遗传算法操作和多层编码机制,可防止陷入局部最优解,并具有较快的收敛速度。针对不同规模的加工实例进行仿真,结果表明该算法完成多工件多工序的加工时间比基本遗传算法缩短了约9%,具有提高流水线利用率和机械加工生产效率的优点。
針對機械加工行業中多任務加工的流水線自動優化控製問題,建立瞭以“多工件多工序最短加工時間”為目標,以“實際加工限製”為約束的流水線加工控製數學模型,提齣一種基于多層編碼的遺傳-粒子群融閤算法。該算法以粒子群算法思想為基礎,融閤瞭遺傳算法操作和多層編碼機製,可防止陷入跼部最優解,併具有較快的收斂速度。針對不同規模的加工實例進行倣真,結果錶明該算法完成多工件多工序的加工時間比基本遺傳算法縮短瞭約9%,具有提高流水線利用率和機械加工生產效率的優點。
침대궤계가공행업중다임무가공적류수선자동우화공제문제,건립료이“다공건다공서최단가공시간”위목표,이“실제가공한제”위약속적류수선가공공제수학모형,제출일충기우다층편마적유전-입자군융합산법。해산법이입자군산법사상위기출,융합료유전산법조작화다층편마궤제,가방지함입국부최우해,병구유교쾌적수렴속도。침대불동규모적가공실례진행방진,결과표명해산법완성다공건다공서적가공시간비기본유전산법축단료약9%,구유제고류수선이용솔화궤계가공생산효솔적우점。
A genetic-particle swarm optimization algorithm of multilayer-coded is proposed to solve the flow shop’s optimizing control problem of machinery industry. The objective of the issue is to minimize the production time. Through analyzing the actual machining conditions, control mathematical model of production line is set up. The algorithm bases on particle swarm algorithm and combines the genetic swarm optimization with the multilayer-coded mechanism. The algorithm has a higher speed and is used to avoid being trapped into local minima. The results show that the multilayer-coded genetic-particle swarm optimization algorithm has saved 9%times from the basic genetic algorithm. It has advantages of improving utilization ratio and production efficiency in machining line.