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首页> 外文期刊>Asia-Pacific Journal of Operational Research >A GENERALIZED STOCHASTIC PETRI-NET MODEL FOR PERFORMANCE ANALYSIS AND ALLOCATION OPTIMIZATION OF A PARTICULAR REPAIR SYSTEM
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A GENERALIZED STOCHASTIC PETRI-NET MODEL FOR PERFORMANCE ANALYSIS AND ALLOCATION OPTIMIZATION OF A PARTICULAR REPAIR SYSTEM

机译：特定维修系统性能分析和分配优化的广义随机Petri网模型

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摘要

This paper presents a generalized stochastic Petri-net model for performance analysis and allocation optimization of a repair system with interchangeable inventory. A repair system with interchangeable-inventory is an important type of repair-service, which features components that are assembled circularly with interchangeable-component inventory. Despite improved efficiency, major difficulties in model formulation and performance analysis arise due to a complex fork/join structure and the presence of interchangeable-component inventory. In this study, by applying a generalized stochastic Petri-net to model the fork/join structure and interchangeable inventory, a system with one overhaul center and one interchangeable-component repair shop was defined in the Petri-net by places, transitions and tokens. A performance analysis with single and multiple parameters and simulation experiments was performed according to the real field data of high-speed railway locomotives overhaul. With appropriate weights on each portion of the system resources, the optimal design scenario for the allocation of a specific repair system was achieved to control the overall expenditure.
机译：本文提出了一种广义随机Petri网模型，用于具有可互换库存的维修系统的性能分析和分配优化。具有可互换库存的维修系统是一种重要的维修服务，其特点是将组件与可互换组件库存循环组装。尽管效率得到了提高，但是由于复杂的前叉/接合结构以及可互换组件的存货，在模型制定和性能分析中仍然存在主要困难。在这项研究中，通过应用广义随机Petri网对货叉/接头结构和可互换库存进行建模，通过位置，过渡和标记在Petri网中定义了一个具有大修中心和一个可互换部件维修店的系统。根据高速铁路机车大修的实际数据，进行了单参数和多参数性能分析及仿真实验。通过适当权衡系统资源的每个部分，可以实现分配特定维修系统的最佳设计方案，以控制总支出。

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