面向多品种变批量的可重构制造系统的设计方法研究

Research on the Design Methodology of Reconfigurable Manufacturing Systems under Multi-Product and Change Demand

可重构制造系统的设计目标是要确定各种零件的生产周期、各种零件之间的生产顺序与加工各种零件所用的组态。建立了各生产周期成本模型、重构成本模型与全生产周期成本模型。由各种零件的批量确定加工各种零件的标准生产周期,分析系统成本冗余,得到了多组偏差生产周期,求出了各种生产周期下各种零件之间所有生产排序的K-优组态路径。通过比较所求得的组态路径,可以获得一条最优与多条次优组态路径。用案例验证了所提出的方法。

The design objective of reconfigurable manufacturing systems （RMS） is to decide the production period, the sequence and the configuration for machining each member of a part family. The cost model for every production period of RMS, the reconfiguration cost model and the lifetime cost model of RMS were constructed. According to the volume of each part family, the central production period of each member was decided. Analyzing the unable machining capacity in the RMS, the non-central production period of each kind product was found by adjusting the central production period. Under different sequences of each member in part family,based on the central and non-central production period, the K-optimal cost configuration paths were found, respectively. Comparing the found K-optimal paths above,the optimal and sub-optimal configuration paths across the part family were figured out. Then, the production period, sequence and the configurations for each kind product were decided. A case study illustrates the developed method is valid.