The Economic Design of  and  Control Charts with Preventive Maintenance and Increasing Hazard Rate

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Title:	The Economic Design of and Control Charts with Preventive Maintenance and Increasing Hazard Rate
Authors:	Huan‐Neng Chiu;Bo‐Shi Huang
Contributors:	亞洲大學經營管理學系
Keywords:	Preventive maintenance;Process control charts;Quality control;Statistical process control
Date:	1995
Issue Date:	2010-06-10 03:51:46 (UTC+0)
Publisher:	Asia University
Abstract:	Develops the joint economic designs of • and S2 control charts under four operating policies to monitor the process in a situation where the occurrence of the assignable cause follows a general distribution with an increasing hazard rate. The four operating policies can be chosen by quality controllers to cope with the specific process situation. Policy I and policy II assume that the process performs the preventive maintenance programme at equal and decreasing sampling time intervals, respectively. Policy III and policy IV in turn merely take samples using the non‐uniform and uniform sampling interval schemes without preventive maintenance. The derivation of the four models is not very difficult, so it can be used to derive another model. Offers numerical examples to compare the economic designs and the total expected costs per hour of the four models. Finds, from the computational results, policy II is the best for adoption in the design of • and S2 control charts. The results also show that the proposed solution procedure is more accurate and better than Rahim et al.’s and Chung and Chen’s procedures. Concludes with remarks and some advantages of introducing the periodic preventive maintenance policy into a process.
Relation:	Journal of Quality in Maintenance Engineering 1(4) : 17-40
Appears in Collections:	[Department of Business Administration] Journal Article

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