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Publication date: 1 February 1996

HuanNeng Chiu and Bo‐Shi Huang

Studies the economic design of x control charts in a situation in which the duration time that the process remains in the in‐control state follows a general distribution which…

600

Abstract

Studies the economic design of x control charts in a situation in which the duration time that the process remains in the in‐control state follows a general distribution which has an increasing hazard rate. In this situation, the active and persistent action for quality control is to design a process in which a preventive maintenance procedure is performed periodically. Addresses first the relationship between preventive maintenance and x control charts. A cost function which is opposed to those given by Banerjee and Rahim and by Hu is derived. The computational results indicate that the proposed model under a preventive maintenance policy has a lower expected total cost per hour than have those of Banerjee and Rahim’s and Hu’s Weibull shock models. Numerical examples also demonstrate that the model has great flexibility when applied in the situation previously mentioned. Presents the advantages of the combination of a preventive maintenance policy and x control charts and concludes that a preventive maintenance policy performed under a certain condition can be particularly instrumental in reducing the expected total cost per hour.

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International Journal of Quality & Reliability Management, vol. 13 no. 1
Type: Research Article
ISSN: 0265-671X

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Article
Publication date: 1 April 1995

Bo‐Shi Huang and HuanNeng Chiu

Develops a framework which provides a step towards better planningof production, scheming inspection and preventive maintenance. Studiesthe effects of an imperfect production…

703

Abstract

Develops a framework which provides a step towards better planning of production, scheming inspection and preventive maintenance. Studies the effects of an imperfect production process on the optimal production cycle time. The system is assumed to deteriorate during the production process and produce some proportion of defective items. Extends to the cases where the proportion of defective items and the cost of process restoration are not constant. Provides a comparative study of two monitoring policies where the preventive maintenance setting is used and not used in the deteriorating production process. These models are directly relevant to the management of the quality and reliability of the production process. When scheming inspection is adopted, it is shown that the optimal inspection intervals are equally spaced in the imperfect production process under the different policies, respectively. Provides a numerical example to illustrate the derivation of the optimal production cycle time in the models.

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International Journal of Quality & Reliability Management, vol. 12 no. 3
Type: Research Article
ISSN: 0265-671X

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Article
Publication date: 1 December 1995

HuanNeng Chiu and Bo‐Shi Huang

Develops the joint economic designs of • and S2 controlcharts under four operating policies to monitor the process in asituation where the occurrence of the assignable cause…

500

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.

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Journal of Quality in Maintenance Engineering, vol. 1 no. 4
Type: Research Article
ISSN: 1355-2511

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Article
Publication date: 1 May 1995

Huan Neng Chiu

In the present condition of intense global competition, thesurvival of a firm becomes the underlying issue. How to regaincompetitive advantage and promote synergism is the…

1931

Abstract

In the present condition of intense global competition, the survival of a firm becomes the underlying issue. How to regain competitive advantage and promote synergism is the greatest concern for entrepreneurs who have lost many of their market opportunities. Introduces a procedure for practitioners to follow in establishing effective management systems, which aims to make a fundamental change and continual improvement in managerial and operational structures. Claims that an expandable nerve‐type management information network of the company as a whole can be built systematically by following this procedure. This procedure is essentially a combined technique that guides practitioners through the processes of system development planning and decision making, potential problem analysis, correction, integration, and control. Demonstrates, by means of case examples and the results of a survey, that it can be concluded that the use of the combined technique is beneficial for the promotion of system performance.

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Management Decision, vol. 33 no. 4
Type: Research Article
ISSN: 0025-1747

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Article
Publication date: 1 August 1995

Huan Neng Chiu

Presents a framework for distribution companies to establish andimprove their logistics systems continuously. Recently, much attentionhas been given to automation in services, the…

7736

Abstract

Presents a framework for distribution companies to establish and improve their logistics systems continuously. Recently, much attention has been given to automation in services, the use of new information technology and the integration of the supply chain. Discusses these areas, which have great potential to increase logistics productivity and provide customers with high level service. The exploration of each area is enriched with Taiwanese logistics management practices and experiences. Includes a case study of one prominent food processor and retailer in Taiwan in order to demonstrate the pragmatic operations of the integrated logistics management system. Also, a survey of 45 Taiwanese retailers was conducted to investigate the extent of logistics management in Taiwan. Concludes by suggesting how distribution companies can overcome noticeable logistics management barriers, build store automation systems, and follow the key steps to logistics success.

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International Journal of Physical Distribution & Logistics Management, vol. 25 no. 6
Type: Research Article
ISSN: 0960-0035

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Article
Publication date: 1 February 1960

C.G. ALLEN

The Communist revolution in China has led to the appearance in this country of increasing numbers of Chinese books in Russian translation. The Chinese names in Cyrillic…

74

Abstract

The Communist revolution in China has led to the appearance in this country of increasing numbers of Chinese books in Russian translation. The Chinese names in Cyrillic transcription have presented many librarians and students with a new problem, that of identifying the Cyrillic form of a name with the customary Wade‐Giles transcription. The average cataloguer, the first to meet the problem, has two obvious lines of action, and neither is satisfactory. He can save up the names until he has a chance to consult an expert in Chinese. Apart altogether from the delay, the expert, confronted with a few isolated names, might simply reply that he could do nothing without the Chinese characters, and it is only rarely that Soviet books supply them. Alternatively, he can transliterate the Cyrillic letters according to the system in use in his library and leave the matter there for fear of making bad worse. As long as the writers are not well known, he may feel only faintly uneasy; but the appearance of Chzhou Ėn‐lai (or Čžou En‐laj) upsets his equanimity. Obviously this must be entered under Chou; and we must have Mao Tse‐tung and not Mao Tsze‐dun, Ch'en Po‐ta and not Chėn' Bo‐da. But what happens when we have another . . . We can hardly write Ch'en unless we know how to represent the remaining elements in the name; yet we are loth to write Ch'en in one name and Chėn' in another.

Details

Journal of Documentation, vol. 16 no. 2
Type: Research Article
ISSN: 0022-0418

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