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1、項(xiàng)目號(hào)：ZW2008-12-X智維電子科技有限公司基于LIN總線的汽車倒車?yán)走_(dá)設(shè)計(jì)技術(shù)方案書編制：審核：批準(zhǔn)：二零零八年十二月二十一日i目錄1前言...................................................................32設(shè)計(jì)基本理論介紹.......................................................42.1LIN總線基本概念及特點(diǎn)分析................................
2、............42.2LIN總線的報(bào)文傳輸和結(jié)構(gòu)..............................................82.3LIN總線報(bào)文的濾波和確認(rèn).............................................122.4同步過程............................................................122.5錯(cuò)誤和異常處理.....................................
3、.................133總體方案的確定........................................................153.1倒車?yán)走_(dá)發(fā)展分析....................................................153.2基LIN總線的倒車?yán)走_(dá)的優(yōu)勢...........................................153.3方案的對(duì)比與確定................................
4、....................163.3.1方案對(duì)比..........................................................163.3.2方案思路介紹......................................................184系統(tǒng)的設(shè)計(jì)和實(shí)現(xiàn)......................................................204.1超聲波倒車?yán)走_(dá)的設(shè)計(jì)...................
5、.............................204.1.1發(fā)射電路的設(shè)計(jì)....................................................204.1.2接收電路設(shè)計(jì)......................................................204.1.3檢測電路..........................................................224.1.4超聲波測距軟件設(shè)計(jì)........
6、........................................234.2LIN網(wǎng)絡(luò)通信設(shè)計(jì).....................................................254.2.1AT89S52介紹.......................................................254.2.2TJA1020介紹.......................................................274.3.
7、3硬件設(shè)計(jì)原理......................................................284.3.4LIN通信軟件設(shè)計(jì)...................................................305倒車?yán)走_(dá)系統(tǒng)實(shí)驗(yàn)及數(shù)據(jù)分析............................................365.1超聲波測距誤差及分析................................................365.
8、2LIN總線報(bào)文幀分析...................................................365.3與LIN總線分析儀KvaserLeafProfessional通信測試.....................39ii廣州智維www.triv.cn1前言隨著汽車測試技術(shù)的發(fā)展和人們對(duì)汽車品質(zhì)要求的提高，汽車上的各種創(chuàng)感器的數(shù)量呈現(xiàn)快速增長的趨勢，傳統(tǒng)的測試電子單元不具備網(wǎng)絡(luò)通信能力，使得當(dāng)這
