凌志LS-400轿车发动机电控燃油喷射系统的故障模拟与实验分析  

Fault Simulation of Lingzhi LS-400 Engine the Electronic Fuel Injection System and Experimental Result Analysis

作　　者：黄榕清[1] 邵建华[1] 胡宏[1] 吴磊[1] 

机构地区：[1]华南理工大学汽车工程学院,广东广州510640

出　　处：《机电工程技术》2006年第11期101-104,共4页Mechanical & Electrical Engineering Technology

摘　　要：本文针对凌志LS-400轿车发动机电控汽油喷射系统的主要执行器和传感器,怠速控制阀、水温传感器、爆震传感器、氧传感器进行了故障模拟,并用示波器对各种故障产生后ECU的控制信号进行检测,将检测结果与理论分析进行对比。This paper aims at the mostly sensor and executer of Lingzhi LS-400 engine the Electronic Fuel Injection(EFI)system,such as Idle Speed Control(ISC)valve,water temperature sensor,knock sensor,ignition signal,oxygen sensor etc,then inserts the fault one by one,checks and measures the ECU control signal by oscillograph after fault is inserted and uses the theory to analyze the result.

关 键 词：故障模拟 怠速控制 分析 单片机 

分 类 号：U464.136[机械工程—车辆工程]