切削刀具生产计划与预防性维修计划协同决策研究

陈晓慧1,2,李影1,2,肖雷1,2
(1.重庆大学 机械传动国家重点实验室,重庆 400044;2.重庆大学 机械工程学院,重庆 400044)

摘要:针对切削刀具故障频率高、使用寿命短特点,提出在全寿命周期内的生产计划与预防性维修计划统筹优化模型。并在设备的失效概率分布函数中引入失效率递增因子和维修率递减因子,将设备的失效成本估计及设备的预防性维修成本引入生产计划决策变量空间,将生产延迟成本和维修成本最小化作为决策目标。最后,运用一个生产实例统筹优化模型与两种计划独立决策模型效果进行对比分析,结果发现应用该决策模型比分别安排两种计划决策使总成本减少了18%。
关键词:生产计划;预防性维护计划;协同决策
中图分类号:TH17           文献标识码:A            文章编号:1006-0316 (2013) 01-0010-05

Integrated optimization research on production scheduling and preventive maintenance planning for the cutting tool
CHEN Xiao-hui 1,2,LI Ying1,2,XIAO Lei1,2
( 1. The State Key Lab of Mechanical Transmission, Chongqing University, Chongqing 400044, China;2. School of Mechanical Engineering, Chongqing University, Chongqing 400044, China )

Abstract:Aiming at the higher frequency failure and shorter life of cutting tool, an integrated model is proposed that simultaneously determines production scheduling and preventive maintenance planning decision in the life cycle so that the total costs of jobs is minimized. According to the failure distribution function of the cutting tool, failure rate factor and repair rate reduction factor are introduced, and the estimative failure costs and preventive maintenance costs are joined in decision variables set. Finally, a simple example is used to demonstrate the contrastive analysis results by independent decision and integrating optimal scheduling. The numerical results show an average reduction of 18% in expected total costs.
Key words:production scheduling;preventive maintenance planning;collaborative decision

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收稿日期:2011-04-23
基金项目:国家自然科学基金重点项目(51035008);重庆市自然科学基金项目(CSTC2009BB336)
作者简介:陈晓慧(1969-),女,博士生导师,主要研究方向为制造系统工程、设备维护管理;李影(1986-),女,硕士研究生,主要研究方向为设备维护管理、生产计划控制。


 

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