介紹了電控發動機微機控制故障模擬系統的組成和工作原理,闡述了微機控制故障模
擬系統的微機控制單元、故障模擬電路和電路顯示板的結構特征和設計。該系統是在原車基礎上對發動機的微機系統進行線路改造,并另設一套微機控制故障模擬系統,微機控制故障模擬系統可不斷重復產生發動機不同工況下傳感器、執行器、控制單元、控制電路的各種模擬故障,為使用者提供豐富的檢測內容和便利的檢測端口。
關鍵詞:電控發動機;故障模擬;設計方法
Abstract :The work on principle and constitution of t rouble simulate system in computer cont rolled for elec2 t ronic cont rolled engine is int roduced in this paper. It expounds the main st ructure character and design meth2 ods of computer cont rol unit ,circuit s of t rouble simulate and showing board about the t rouble simulate system in computer cont rolled. Trouble simulate system of computer cont rolled for elect ronic cont rolled engine is a de2 vice on circuit s of automobile engine computer system that is changed. It can continuously produce various kinds of simulate t rouble of the sensor ,actuator ,elect ronic cont rol unit and cont rol circuit . It supply abundant inspect content and convenient inspect port for user.
Key words :Elect ronic cont rolled engine ; Trouble simulate ;Design methods