Development of ROM Management and Evaluation System for Electronic Transmission Control Units

Paper #:
  • 920768

Published:
  • 1992-02-01
Citation:
Kato, Y., Sato, O., Asada, M., Iizuka, N. et al., "Development of ROM Management and Evaluation System for Electronic Transmission Control Units," SAE Technical Paper 920768, 1992, https://doi.org/10.4271/920768.
Pages:
14
Abstract:
Electronic control of automatic transmission systems have become indispensable in order to satisfy driver expectations of comfort and vehicle response. The increasing complexity of such systems has resulted in a huge increase of control data volumes handled by electronic transmission control units (ETCUs).This paper describes the development, operation and evaluation by JATCO Corporation and Nissan Motor Co., Ltd of a Read Only Memory (ROM) management system for use with ETCUs. The system makes extensive use of computer aided design(CAD) techniques to create ROM data from standard format drawings, and vice-versa.The paper also presents the evaluation system developed for ETCU use. Making use of computer simulated testing, this increases the reliability of units and reduces testing time.
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