基于I.MX6的汽车液晶仪表视频模块的设计与实现  

Design and Implementation of Automotive Liquid Crystal Instrument Video Module Based on I.MX6

作　　者：郭健忠[1] 陈典 闵锐 汪喜林 GUO Jianzhong;CHEN Dian;MIN Rui;WANG Xilin(Vehicle Engineering Department,Wuhan University of Science and Technology,Wuhan 430065,China;Wuhan Baohua LCD Display Technology Co.,Ltd,Wuhan 430082,China)

机构地区：[1]武汉科技大学汽车与交通工程学院,武汉430065 [2]武汉保华显示科技有限公司,武汉430082

出　　处：《电子器件》2020年第1期114-118,共5页Chinese Journal of Electron Devices

基　　金：武汉科技大学2018-2019学年度大学生科技创新基金研究项目(18ZZA117)。

摘　　要：为提高视频模块在汽车仪表中应用的可靠性,设计了一种防解析失败的解码策略。通过设计阻抗匹配电路,优化解码策略,实现了汽车液晶仪表视频模块。测试分析发现,该视频模块的解码成功率100%,提升了视频模块的可靠性。结果表明,该模块可解码显示传统算法无法解码的视频流,降低了仪表开发的风险,符合市场发展趋势。To improve the reliability of video module in automobile instrument,a decoding strategy was designed to prevent parsing failure.By designing impedance matching circuit and optimizing decoding strategy,video module of automobile liquid crystal instrument is realized.Test analysis shows that the decoding success rate of video module is 100%,which improves the reliability of video module.The results show that the module can decode and display the video stream that cannot be decoded by traditional algorithm,which reduces the risk of instrument development and conforms to the market development trend.

关 键 词：汽车液晶仪表 视频模块 视频流解码 设计实现 可靠性 

分 类 号：TH85[机械工程—仪器科学与技术]