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Research on Robust Plant Layout under Dynamic Requirements

Author: XuJinHui
Tutor: LiuQiong
School: Huazhong University of Science and Technology
Course: Industrial Engineering
Keywords: Plant layout Robust layout Dynamic layout Shuffled frog leapingalgorithm Differential evolution operator
CLC: TB491
Type: Master's thesis
Year: 2013
Downloads: 10
Quote: 0
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Abstract


The workshop facility layout plays an important role in designing the manufacturingsystem. Reasonable facility layout can reduce the transportation costs, optimize the quality ofwork-in-process, improve the working environment，enhance the efficiency of productionsystems. With the growingly fierce competition in the market and increasing individualdemands, The workshop must adapt to the changing production plans. producing style cometo transfer into mass variety and small batches, building the workshop facility layout whichcan adapt to the dynamic changes in production requirements has gradually became theimportant means to reduce the costs and improve the competitiveness. Therefore，the researchon workshop facility layout problems under dynamic requirements has important theoreticaland practical significance.In order to avoid re-layout frequently under dynamic demands, a robust optimizationmodel first introduced the indicator of area costs was proposed to minimize the total materialhandling costs and maximize the occupied area utilization rate, which was used to solve theunequal area facility layout problems. Aiming at enhancing the robustness of final layout, arobust constrained was proposed by improving the classic robust indicators based on solvingstatic layout problems every periods.For solving the combinatorial optimization problem which should get final robust layoutand optimal plans of every period, an improved shuffled frog leaping algorithm by employingdifferential mutation operator and SLP was designed in detail. Meanwhile, a newtwo-dimensional coding method and Best/Rand Approach were designed. Finally, Theeffectiveness of this the improved algorithm was verified by two set of classical examples.The issue has taken advantage of robust model proposed and improved shuffled frogleaping algorithm to solve the layout problem of an air conditioner pipe plant. Then, thecontrast result with SFLA、GA、PSO show that the method and model were available.Finally, The paper is summarized and the direction of developments in the field of thefuture plant layout is described.

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CLC: > Industrial Technology > General industrial technology > Industrial common technology and equipment > Factory, workshop > Planning and Design
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