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| Author: | Hum, S. H. Sarin, R. K. |
| Title: | Simultaneous product-mix planning, lot-sizing and scheduling at bottleneck facilities. |
| Journal: | Operations Research
1991 : MAR-APR, VOL. 39:2, p. 296-307 |
| Index terms: | PRODUCTION SCHEDULING LOT-SIZE MODEL PRODUCT MIX |
| Language: | eng |
| Abstract: | In capacited production systems it is common to find instances when the demand placed on the system exceeds its productive capacity. In the paper, optimal solutions for the product-mix planning, lot sizing, scheduling of such bottleneck facilities are developed. The integrated product-mix planning, lot sizing and scheduling problem yields a nonconvex, mixed-integer nonlinear program which is difficult to solve for global optimality. The strategy followed here is to characterize the optimal solution and reduce the overall problem to a series of smaller, single variable, constrained optimization problems which can be solved easily. Results are provided for the two-product case for both the single-stage and two-stage production systems. |
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