本文選題：車輛 + 柴油機　； 參考：《上海工程技術(shù)大學(xué)》2013年碩士論文

【摘要】：隨著新材料、新技術(shù)、新工藝在汽車生產(chǎn)、制造過程中的運用，現(xiàn)代汽車的技術(shù)性能已變得越來越好，結(jié)構(gòu)也變得越來越復(fù)雜，同時故障診斷的難度也有了相應(yīng)的增加，人們迫切需要提高汽車電子系統(tǒng)的可靠性、可維修性和安全性。本項目研究具有自主知識產(chǎn)權(quán)的嵌入式汽車故障遠(yuǎn)程診斷與維護系統(tǒng)，該系統(tǒng)能夠?qū)⑵嚨亩〞r/定里程維護轉(zhuǎn)換成實時維護，很大程度的改變當(dāng)前汽車的維護模式，真正起到一種預(yù)防維護的作用，切切實實的提高汽車的穩(wěn)定性和安全性。 全文主要從理論研究、設(shè)計開發(fā)和試驗研究三方面開展工作。 首先，從網(wǎng)絡(luò)結(jié)構(gòu)、協(xié)議模型和數(shù)據(jù)傳輸方式這三個方面研究GPRS的原理與通信流程，并將其在遠(yuǎn)程數(shù)據(jù)監(jiān)控上的優(yōu)點結(jié)合于柴油發(fā)動機的數(shù)據(jù)采集；并從汽車自診斷系統(tǒng)和SAE-J1939協(xié)議模型方面研究汽車診斷原理，為汽車故障診斷提供理論依據(jù)。其次，在SAE-J1939協(xié)議的基礎(chǔ)上，使用英飛凌XC2000系列單片機與GPRS模塊，利用Protel99SE,設(shè)計故障診斷儀的硬件電路圖，設(shè)計具有通過GPRS網(wǎng)絡(luò)與上位服務(wù)器通信并交換數(shù)據(jù)的通用柴油發(fā)動機故障診斷系統(tǒng)。最后，將該款電控柴油機車載遠(yuǎn)程故障診斷儀，經(jīng)連接亞新科南岳（衡陽）有限公司電控單體泵柴油機專用ECU在線檢驗，模擬各個工況與各個錯誤情況檢驗該診斷儀的效果。 研究表明，診斷儀基本達(dá)到了對車輛的日常數(shù)據(jù)進行遠(yuǎn)程采集、監(jiān)控，，并且能在其發(fā)生故障時對其進行遠(yuǎn)程診斷的目的。
[Abstract]:With the application of new materials, new technologies and new processes in automobile production and manufacturing, the technical performance and structure of modern vehicles have become more and more complex, and the difficulty of fault diagnosis has increased accordingly. There is an urgent need to improve the reliability, maintainability and safety of automotive electronic systems. This project studies the embedded automobile fault remote diagnosis and maintenance system with independent intellectual property rights. The system can transform the timing / fixed mileage maintenance of the vehicle into real time maintenance, and greatly change the current vehicle maintenance mode. Really play a preventive role in maintenance, improve the stability and safety of the car. The full text mainly from the theory research, the design development and the experiment research three aspects carries on the work. Firstly, the principle and communication flow of GPRS are studied from three aspects: network structure, protocol model and data transmission mode, and the advantages of GPRS in remote data monitoring are combined with the data acquisition of diesel engine. The principle of automobile diagnosis is studied from the aspects of auto self-diagnosis system and SAE-J1939 protocol model, which provides the theoretical basis for automobile fault diagnosis. Secondly, on the basis of SAE-J1939 protocol, the hardware circuit diagram of fault diagnosis instrument is designed by using Infineon XC2000 series single chip computer and GPRS module, using Protel99SE. A general diesel engine fault diagnosis system is designed, which can communicate with the upper server and exchange data through GPRS network. Finally, the electronic control diesel engine vehicle remote fault diagnosis instrument is connected with the ECU of Yaxinke Nanyue (Hengyang) Co., Ltd., and the effect of the instrument is tested by simulating the various working conditions and errors. The research shows that the diagnostic instrument can collect and monitor the daily data of the vehicle remotely, and can diagnose the vehicle remotely when it breaks down.
【學(xué)位授予單位】：上海工程技術(shù)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：U472.9

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