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Acta Armamentarii ›› 2016, Vol. 37 ›› Issue (3): 496-504.doi: 10.3969/j.issn.1000-1093.2016.03.015

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Research on Optimization of Two-dimensional Imperfect Preventive Maintenance Intervals of Products

HAN Yu-cheng, JIA Xi-sheng, BAI Yong-sheng, LI Xin-yue   

  1. (Department of Equipment Command and Management, Ordnance Engineering College, Shijiazhuang 050003, Hebei, China)
  • Received:2015-07-29 Revised:2015-07-29 Online:2016-05-24
  • Contact: HAN Yu-cheng E-mail:hanyucheng805@163.com

Abstract: For the products of which the failures are affected by the calendar time and service time, the traditional one-dimensional preventive maintenance can’t meet the actual demand. A concept of two-dimensional preventive maintenance is proposed. The two-dimensional preventive maintenance decision is made according to calendar time and service time. A failure rate function expression of two-dimensional maintenance is established, and the process of two-dimensional imperfect preventive maintenance is analyzed in detail. A cost model of two-dimensional imperfect preventive maintenance is proposed to minimize the consumer’s total expected cost in finite life span. An optimal two-dimensional imperfect preventive maintenance interval is derived through examples, and the the applicability and validity of the proposed model are verified through comparison and analysis. A brief discussion about future research area of two-dimensional maintenance is presented.

Key words: ordnance science and technology, two-dimensional imperfect preventive maintenance, math model, virtual age

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