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Title: Recent Results on Stability Analysis of an Optimal Assembly Line Balance
Authors: Sotskov, Yuri
Keywords: Scheduling
Robustness and Sensitivity Analysis
Assembly Line
Issue Date: 2007
Publisher: Institute of Information Theories and Applications FOI ITHEA
Abstract: Two assembly line balancing problems are addressed. The first problem (called SALBP-1) is to minimize number of linearly ordered stations for processing n partially ordered operations V = {1, 2, ..., n} within the fixed cycle time c. The second problem (called SALBP-2) is to minimize cycle time for processing partially ordered operations V on the fixed set of m linearly ordered stations. The processing time ti of each operation i ∈V is known before solving problems SALBP-1 and SALBP-2. However, during the life cycle of the assembly line the values ti are definitely fixed only for the subset of automated operations V\V . Another subset V ⊆ V includes manual operations, for which it is impossible to fix exact processing times during the whole life cycle of the assembly line. If j ∈V , then operation times tj can differ for different cycles of the production process. For the optimal line balance b of the assembly line with operation times t1, t2, ..., tn, we investigate stability of its optimality with respect to possible variations of the processing times tj of the manual operations j ∈ V .
ISSN: 1313-0463
Appears in Collections:Volume 14 Number 2

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