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A flowshop scheduling algorithm to minimize total weighted completion time

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3 Author(s)
Chuanli Zhao ; Coll. of Sci., Northeastern Univ., Shenyang, China ; QingLing Zhang ; Hengyong Tang

The paper considers the problem of minimizing total weighted completion time in a flowshop. A heuristic algorithm with worst-case bound m is given. For m = 2, if jobs have agreeable weights i.e. where pi ≤ pj implies wi ≥ wj, (i, j = 1, 2, ···, n). The worst-case bound is 2β/α+β, where α and β denote the minimum and maximum processing time of all operations. For some special cases, the polynomial algorithms are given.

Published in:

Intelligent Control and Automation, 2002. Proceedings of the 4th World Congress on  (Volume:2 )

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