Development of a distributed microcomputer based engine performance evaluation system

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Development of a distributed microcomputer based engine performance evaluation system

Kuroiwa, S. / Tokunaga, K. / Yamamoto, H. / Ochiai, H.

Computer aided systems for performance evaluation of functional devices for passenger cars, such as engines or transmissions, have been applied for ten years. These systems generally consist of a large main frame computer or minicomputers for conducting a large number of complicated analyses. In the past, these computer aided systems were used for vehicle research and development since they were too expensive and sophisticated for use on the production line. Today, microcomputers with mass memory or personal computers are available at very low cost in comparison to conventional minicomputers. With many distributed microcomputers, we have developed a new test and control system for the engine production line. This system consists of a microcomputer with a disk system for test data storage, five personal computers for the man-machine system and data processing, and microcomputers for real time control and data acquisition. These distributed micro and personal computers have been connected with standard interfaces. With this system we have achieved higher efficiency of inspection such as performance testing, quality control, and higher levels of the test analyses.