自動車産業における製品開発と意思決定
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概要
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This research investigates the relationship between the product development process and the way of decision making in car makers. To analyze it, the qualitative research method of comparing and examining three product development process models of Japanese & Occidental volume producers and a high-end car maker was employed. Analysis of the results indicates that methods of the product development in car makers are divided largely into two. One is the traditional product development by Occidental volume producers and high-end car makers, which is characterized by pushing each process one by one rationally from the beginning according to the plan. The other is Japanese product development which is characterized by pulling the way of working in the former process from the last process in succession through the 'ambiguity' in the decision making in each process. Japanese car makers leave the 'ambiguity' in the decision making by not deciding details strictly so that they could always take the influence of the latter process into the room of 'ambiguity' in the former process. In contrast, the strict division of labor in Occidental car makers fosters full completion of one's job before handing over his accomplishment to the next process. So any ambiguity cannot be left in the decision making in each process. 'Pull system' and 'push system' have been advanced mainly for production methods. However, as the product development has been developing these systems as well, the notion of 'pull system' and 'push system' can also be standardized in product development methods. 'Pull system' of the product development sends critical information from the latter process to the former process through the 'ambiguity' in the decision making where the former process and the latter process overlap in some degree. So in the product development, the 'ambiguity' plays a role as a paper of 'kanban' on which the necessary information could be written. In order to attain high customer satisfaction, the concurrent engineering based on the 'pull system' would be a competent tool of product development for car makers.
- 日本経営学会の論文
- 1998-09-10