期刊
JOURNAL OF INTELLIGENT MANUFACTURING
卷 22, 期 4, 页码 643-652出版社
SPRINGER
DOI: 10.1007/s10845-010-0382-7
关键词
Genetic algorithm; Intelligent search; Computer-aided process planning; Preliminary planning; Detailed planning; Operations sequencing
资金
- NCRR NIH HHS [K23 RR017639-03] Funding Source: Medline
Optimization of process planning is considered as the key technology for computer-aided process planning which is a rather complex and difficult procedure. A good process plan of a part is built up based on two elements: (1) the optimized sequence of the operations of the part; and (2) the optimized selection of the machine, cutting tool and Tool Access Direction (TAD) for each operation. In the present work, the process planning is divided into preliminary planning, and secondary/detailed planning. In the preliminary stage, based on the analysis of order and clustering constraints as a compulsive constraint aggregation in operation sequencing and using an intelligent searching strategy, the feasible sequences are generated. Then, in the detailed planning stage, using the genetic algorithm which prunes the initial feasible sequences, the optimized operation sequence and the optimized selection of the machine, cutting tool and TAD for each operation based on optimization constraints as an additive constraint aggregation are obtained. The main contribution of this work is the optimization of sequence of the operations of the part, and optimization of machine selection, cutting tool and TAD for each operation using the intelligent search and genetic algorithm simultaneously.
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