面向嵌入式系统的汽车故障诊断仪设计与实现

Design and Implementation of Automotive Fault Diagnosis Instrument for Embedded System

为了全面提升汽车电子系统的安全性与可靠性,提出了一种面向嵌入式系统的汽车故障诊断仪。对国内外汽车诊断的发展现状及技术特点进行调研,根据市场的实际需求提出面向嵌入式汽车故障诊断仪的设计方案。在此基础上,对系统硬件设计方案进行介绍,对硬件系统的3个主要电路模块进行阐述。对Linux系统的软件开发环境进行详细介绍,最终完成了面向嵌入式系统的汽车故障诊断仪设计与实现。

In order to improve the reliability, maintainability and safety of automotive electronic system, this paper presents a vehicle fault diagnosis instrument for embedded system. This paper firstly investigates the development status and technical characteristics of automobile diagnosis at home and abroad, and proposes a design scheme for embedded automobile fault diagnosis instrument based on market demand. On this basis, the hardware design scheme of the system and the three main circuit modules of the hardware system are introduced. The software development environment of Linux system is introduced in detail, and finally the design and implementation of automobile fault diagnosis instrument for embedded system are completed.