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How to Set up the Reserves of System Spare Parts

Author: CaoJing
Tutor: LiZongPing
School: Southwest Jiaotong University
Course: Logistics Engineering
Keywords: Spare part Stock Reserve Reliability Genetic algorithm
CLC: F273.4
Type: Master's thesis
Year: 2008
Downloads: 222
Quote: 9
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Abstract


In the current market economy, the competition between the enterprises becomes more and more acute, especially after China enter WTO. The market competition becomes more furious and higher, so the cost of spare parts must be controlled strictly. The most economical effect keeps the equipment safely and stably running, and keeps production being on the rails. It is the tenet of spare parts management that to enhance the economical benefit of enterprises.The enterprises need to institute the maintenance plan and do thedecision-making of the stock and storage of the spare parts in process of using the equipment. When the enterprises purchase the valuable parts, they usually buy the spare parts. So it needs to confirm the amount of the spare parts to be stocked and keep the appropriate storage of the spare parts. It needs the right decision-making. It is an import problem to have a logical storage of the spare parts for the enterprises management. The logical storage of the spare parts can reduce the stock and accelerate the fund turnover. So it improves the economy benefit of the enterprise.The paper mainly makes research on how to set up the reserves of costly spare parts in series. Based on the present inventory theory of spare parts and the reliability theory, the paper analyses the relational factors of the system reliability. With the conditions of the determinate runtime and the determinate cost of spare parts, the paper studies the spare parts collocation and put forward the mathematics model with odd object. After, according to the determinate runtime and the determinate cost of spare parts, there is given the multi-object optimization model of the spare parts collocation based on the reliability. The solution of the spare parts optimization model is discussed using a genetic algorithm. Finally, the discussion about the multi-object optimization model of the spare parts collocation is given using the method of numerical simulation.

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CLC: > Economic > Economic planning and management > Enterprise economy > Production management > Enterprise Asset Management
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