一种基于i.MX6Q的智能电子后视镜系统设计方法  

A design method of intelligent electronic rearview mirror system based on i.MX6Q

作　　者：张宏宽 楼勇亮 胡权 顾晨 舒信阳 ZHANG Hongkuan;LOU Yongliang;HU Quan;GU Chen;SHU Xinyang(Soyea Technology Co.,Ltd.,Hangzhou 310012,China)

机构地区：[1]数源科技股份有限公司,浙江杭州310012

出　　处：《电子设计工程》2022年第22期174-178,183,共6页Electronic Design Engineering

摘　　要：针对公共交通领域传统玻璃后视镜的视野盲区问题,该文给出了一种基于i.MX6Q的智能电子后视镜系统设计方法,采用一机双屏的系统设计架构,从整体设计、硬件原理设计和软件功能实现三个部分进行了详细介绍,并针对车内视频信号的抗噪声和长距离信号传输的稳定性,设计了视频接口自动侦测与恢复机制,通过模拟测试和实际跑车测试,进行了设计验证,提高了设备在车载环境下的抗干扰能力。Aiming at the blind spot problem of traditional glass rearview mirrors in the public transportation field,this paper presents a design method of intelligent electronic rearview mirror system based on i.MX6Q,adopting a system design architecture of one machine and two screens,from the overall design.The hardware principle design and the realization of the software function are introduced in detail.Aiming at the anti⁃noise of the video signal in the car and the stability of long⁃distance signal transmission,the automatic detection and recovery mechanism of the video interface is designed.It has passed the simulation test and the actual sports car.Testing and design verification have been carried out to improve the anti⁃interference ability of the equipment in the vehicle environment.

关 键 词：视野盲区 智能电子后视镜 自动侦测与恢复机制 一机双屏 车载环境 

分 类 号：TN911.73[电子电信—通信与信息系统]