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Acta Armamentarii ›› 2019, Vol. 40 ›› Issue (3): 621-628.doi: 10.3969/j.issn.1000-1093.2019.03.022

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Multi-objective Dynamic Scheduling with Accompanying Repair Tasks under Complex Constraints

LIU Yan, CHEN Chunliang, ZAN Xiang, CHEN Weilong, ZHANG Lijun   

  1. (Department of Equipment Support and Remanufacturing, Academy of Army Armored Force, Beijing 100072,China)
  • Received:2018-06-04 Revised:2018-06-04 Online:2019-04-29

Abstract: The multi-objective dynamic scheduling issue with accompanying repair tasks is studied for heavy repair tasks, limited repair time and complex constraints in wartime. Equipment maintenance task scheduling with accompanying repair tasks is proposed by taking the complex constraints into account. A multi-objective dynamic scheduling model is established. The repair time windows and non-traversal constraints are introduced in the proposed model on the basis of repair capabilities and repair time constraints. The total number of equipment repairs, the sum of equipment importance degree, and the total time of secondary operations are regarded as scheduling targets in considering the changes in repair capabilities and the uncertainty of repair status. An improved multi-objective genetic algorithm based on non-dominated sorting genetic algorithm II(NSGA-II) is designed to solve the model. The rationality and effectiveness of the proposed model and algorithm are verified through the example simulation and analysis. Key

Key words: equipmentmaintenance, accompanyingrepair, complexconstraints, multi-objectivedynamicscheduling

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