多规则融合的船体小组立部件装焊作业调度算法

针对小组立装焊作业周期长、场地资源利用率偏低等问题,以最小化装焊作业完工时间为目标,考虑了装焊过程中的先序约束、人力资源约束和场地空间资源约束,建立小组立装焊作业的调度模型;设计了多规则融合的船体小组立部件装焊作业调度算法;利用最小化总时差规则优化装焊任务序列,利用最短可用模式规则优化任务的工人分配,利用改进的初始配置规则与最大化残余空间利用率规则优化小组立装焊的空间布置。最后,从实际船舶制造过程中收集的数据进行验证,结果表明,装焊作业完工时间缩短了21%,证明了该算法的有效性。

A Pole Assignment Design Method of Process Control System for Tubular Heat Exchanger

This Paper has first studied the simplified model of tubular heat exchanger which is widely used in the industry and other field.On the basis of reference 2,a new pole assignment design method of pro-cess control system with derivative control action is found.For the above system,the method and the for-mation which calculate the feedback matrix K and gain matrix L is given,and the simulation of the system is made.