带返工的定点装配车间生产计划与调度集成优化

Integrated optimization of production planning and scheduling for fixedposition assembly workshop with rework

针对定点装配车间不合格品返工导致生产计划及调度不可行的情况,提出一种基于返工延后处理的定点装配车间生产计划与调度集成优化方法.首先制定返工延后处理的粗生产计划;下达计划生产后,将每周期产生的不合格品放入缓冲区,在下周期初时重新调整生产计划并求解新计划下的最优调度,判断其是否满足装配班组负载率要求,不断交替迭代生产计划与调度直至达到计划与调度的均衡和优化.最后通过算例验证了所提出方法的可行性和有效性.

Considering that the rework of nonconforming product leads to the unfeasible production planning and scheduling in the fixed-position assembly workshop, an integrated optimization method for the production planning and scheduling based on delaying rework is proposed. Firstly, rough-cut production planning based on delaying rework is made. After this plan was delivered and performed, the nonconforming products of every cycle are put into the buffer.Correspondingly, at the beginning of the next cycle, the production plan is adjusted and its corresponding schedule is optimized. Both of them are identified whether to satisfy the requirement of load rate of assembly teams. Alternate iteration of the production plan and schedule is proceeded until the optimization and balance are achieved simultaneously.Finally, the examples are given to illustrate the feasibitily and effectiveness.