The study of human-centered computer integrated manufacturing system in precision products

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The study of human-centered computer integrated manufacturing system in precision products


Author: Wong, Kai-man
Title: The study of human-centered computer integrated manufacturing system in precision products
Degree: M.Sc.
Year: 1997
Subject: Semiconductors -- Design and construction
Computer integrated manufacturing systems
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Pages: viii, 137 leaves : ill. ; 30 cm
Language: English
Abstract: Computer integrated manufacturing (CIM) system provides many advantages in the control of production efficiency and quality. For semiconductor manufacturing industry, due to the sophistication of the processes, full automation is often impractical, and hence human elements are often involved. Consequently, Human-Centered CIM systems are more appropriate for the industry. The aim of this project is to develop and implement such a system in a semiconductor manufacturing company in which I work for. Due to technical and economical reasons, a dual design approach was used in the development of this system. The approach adopted both the technology-based and working-process-based concept in system design. The project started with identifying the characteristics of the machines and human operators, followed by plans for integration of machines, control system, and information systems. A number of process machines were identified for technology-based integrated. These machines were modified and fitted with automation devices to form integrated processing cells. Remaining process machines were arranged for working process-based integration. Operators for this CIM system were carefully selected and training programs were implemented. A number of control and information systems were incorporated. Finally, the building of the intelligence of the system was enforced by training and motivation plans to assure the contribution of this attribute from the human elements of the system. The Human-Centered CIM system was successfully implemented on part of a production unit in the company. Comparation between conventional system and this CIM system indicated that there is a significant improvement in throughput, quality and yield.

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