1983-02-01

An Advanced Car-Air-Conditioning System with Microcomputer 830543

An advanced car air conditioner with microcomputer has been developed from the viewpoint of electromechanics. This system is completed on the basis of the advanced control functions such as PID feedback temperature control, stepless coordinated air flow control, energy saving control, and self-diagnostic function, and new implementing techniques such as single chip micro-computer for controller, stepping motor for actuator, and hybrid IC for interface. These functions and techniques are also integrated and assembled as advanced control system for car air conditioner. The usefulness and effectiveness of these techniques has been confirmed by the results of tests on the simulated environment and actual car driving conditions.

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