In a Serial-Parallel Multistage Manufacturing System (SP-MMS), identical work-stations are utilized at each stage to meet the productivity and line balance requirements. In such a system, parts could go through different process routes and some routes may merge at certain stage(s). Due to the existence of multiple variation streams, it is challenging to model and analyze variation propagation in a system. This paper extends the state space modeling approach from single process route to the SP-MMS with multiple routes. Several model dimension reduction techniques are proposed to reduce model complexity. Properties of these techniques are studied from the perspectives of system representation and diagnosability. Furthermore, these techniques are applied to analyze system measurement strategies.
Stream of Variation Modeling and Analysis of Serial-Parallel Multistage Manufacturing Systems
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received June 2003; Revised Feb. 2004. Associate Editor: S. Raman.
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Huang, Q., and Shi, J. (September 7, 2004). "Stream of Variation Modeling and Analysis of Serial-Parallel Multistage Manufacturing Systems ." ASME. J. Manuf. Sci. Eng. August 2004; 126(3): 611–618. doi: https://doi.org/10.1115/1.1765149
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