ZHOU B H，CAI J G. The integrated algorithm of part-batching and machine loading in FMS planning[J]. Modular Machine Tool & Automatic Manufacturing Technique, 2001,（11）: 1-4(in Chinese).[周炳海, 蔡建国. FMS中的零件分批和机床负荷分配的集成算法[J].组合机床与自动化加工技术, 2001,（11）:1-4.]
[2]
CRAMA Y, KOLEN A W J, OERLEMANS A G，SPIEKSMA F C R. Minimizing the number of tool switches on a flexible machine[J]. International Journal of Flexible Manufacturing Systems, 1994,6 （1）: 33-54.
[3]
BARD J F. A heuristic for minimizing the number of tool switches on a flexible machine[J]. IIE Transactions, 1988,20（4）:382-391.
[4]
TANG C S，et al. Models arising from a flexible manufacturing machine. Part I: Minimization of the number of tool switches[J].Operations Research, 1988, 36(5):767-777.
[5]
HERTZ A, LAPORTE G, MITTAZ M，et al. Heuristics for minimizing tool switches when scheduling part types on a flexible machine[J]. IIE Transactions, 1998,30（8）:689-694.
[6]
HOUSNI D, et al. A new heuristic based on a hypergraph representation for the tool switching problem[J]. International Journal of Production Economics, 2000,64（1-3）: 165-176. [7 ]AL-FAWZAN M A, et al. A tabu search based algorithm for minimizing the number of tool switches on a flexible machine[J].Computers & Industrial Engineering, 2003,44（1） : 35-47.
[7]
SABUNCUOGLU I，et al. A beam search-based algorithm and evaluation of scheduling approaches for flexible manufacturing systems[J]. IIE Transactions,1998,30（2）: 179-191.
[8]
ZHOU B H, ZHOU X J，CAI J G. A beam search based algorithm for flexible manufacturing system scheduling[J]. Journal of Donghua University, 2002, 19(3):13-18.
