A genetic algorithm for generating optimal assembly plans

被引:127
作者
Lazzerini, B [1 ]
Marcelloni, F [1 ]
机构
[1] Univ Pisa, Dipartimento Ingn Informaz Elettron Informat Tele, I-56126 Pisa, Italy
来源
ARTIFICIAL INTELLIGENCE IN ENGINEERING | 2000年 / 14卷 / 04期
关键词
assembly planning; genetic algorithms; partially matched crossover; mutation;
D O I
10.1016/S0954-1810(00)00011-X
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper, we propose a genetic algorithm that generates and assesses assembly plans. An appropriately modified version of the well-known partially matched crossover, and purposely defined mutation operators allow the algorithm to produce near-optimal assembly plans starting from a randomly initialised population of (possibly non-feasible) assembly sequences. The quality of a feasible assembly sequence is evaluated based on the following three optimisation criteria: (i) minimising the orientation changes of the product; (ii) minimising the gripper replacements; and (iii) grouping technologically similar assembly operations. Two examples that endorse the soundness of our approach are also included. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:319 / 329
页数:11
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