本文關(guān)鍵詞： 汽車(chē)信息采集系統(tǒng) CAN總線 J1939協(xié)議　出處：《湖北工業(yè)大學(xué)》2017年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：隨著電子自動(dòng)化控制和微控制器水平的不斷進(jìn)步,信息化時(shí)代的到來(lái)更加促進(jìn)了電子技術(shù)的迅猛發(fā)展,尤其是在汽車(chē)操控方面更加明顯,其相關(guān)技術(shù)不斷完善,技術(shù)的更新已由初始的乘用車(chē)輛逐漸蔓延到商用汽車(chē)的領(lǐng)域,特別是在客車(chē)控制領(lǐng)域,影響更加深遠(yuǎn)[13]。關(guān)于客車(chē)控制技術(shù)的改善必然需要對(duì)應(yīng)先進(jìn)的網(wǎng)絡(luò)通訊技術(shù)。人們生活水平的不斷富足,使得人們對(duì)物質(zhì)生活的質(zhì)量要求逐步提升。在客車(chē)乘坐方面,人們對(duì)其安全性、穩(wěn)定性以及舒適性的需求更加強(qiáng)烈[13],為了滿(mǎn)足這一實(shí)際需求,對(duì)客車(chē)的實(shí)際狀態(tài)有個(gè)實(shí)時(shí)的了解,有助于客車(chē)的及時(shí)改善,這就需要運(yùn)用網(wǎng)絡(luò)技術(shù)對(duì)客車(chē)的信息進(jìn)行采集以此掌握客車(chē)的運(yùn)營(yíng)實(shí)際動(dòng)態(tài),這也是今后研究的重點(diǎn)所在。本文在運(yùn)用嵌入式系統(tǒng)以及CAN總線技術(shù)的同時(shí),設(shè)計(jì)出一套適合客車(chē)發(fā)展的狀態(tài)信息采集機(jī)制[1]。主要研究?jī)?nèi)容包括:首先,介紹本課題的研究背景與研究意義,并對(duì)課題研究的目的進(jìn)行闡述,綜述國(guó)內(nèi)外目前的研究現(xiàn)狀,對(duì)研究方法和研究?jī)?nèi)容進(jìn)行闡述。之后,對(duì)CAN總線技術(shù)進(jìn)行闡述,對(duì)CAN總線原理與總線幀格式進(jìn)行介紹;闡述了J1939協(xié)議,對(duì)車(chē)輛運(yùn)行的參數(shù)進(jìn)行解析,從而為后文的研究打下基礎(chǔ)。接下來(lái),分析汽車(chē)信息采集系統(tǒng)的需求,對(duì)汽車(chē)信息采集系統(tǒng)設(shè)計(jì)的原則進(jìn)行闡述,提出汽車(chē)信息采集系統(tǒng)的整體方案;對(duì)汽車(chē)信息采集系統(tǒng)的數(shù)據(jù)庫(kù)的建立進(jìn)行研究。在此基礎(chǔ)上,介紹此次汽車(chē)信息采集系統(tǒng)的研發(fā)過(guò)程。在結(jié)合以往已有的研究成果,分別從硬件以及軟件等方面進(jìn)行深入具體的研發(fā)。在進(jìn)行系統(tǒng)詳細(xì)的分析之后,給出對(duì)應(yīng)的設(shè)計(jì)方法和步驟,就硬件配置以及軟件的使用進(jìn)行詳細(xì)的闡述,對(duì)J1939協(xié)議棧進(jìn)行設(shè)計(jì)。最后,對(duì)人機(jī)交互界面、車(chē)輛故障診斷、車(chē)輛監(jiān)控、GPS模塊等進(jìn)行設(shè)計(jì)。通過(guò)本文的研究可以得到如下結(jié)果:(1)了解ITS的發(fā)展?fàn)顩r,對(duì)國(guó)外車(chē)輛控制系統(tǒng)的實(shí)際運(yùn)營(yíng)情況以及今后的發(fā)展方向進(jìn)行研究,總結(jié)國(guó)內(nèi)車(chē)輛使用的控制設(shè)備的缺點(diǎn)以及不足,以此引出此次研究的課題以及要實(shí)現(xiàn)的目標(biāo),根據(jù)相關(guān)的規(guī)定,設(shè)計(jì)出一套可以采集車(chē)輛信息并實(shí)現(xiàn)故障及時(shí)處理的操控系統(tǒng)。(2)對(duì)CAN總線進(jìn)行詳細(xì)的介紹,包括它的作用優(yōu)點(diǎn)以及組成基本結(jié)構(gòu)等,分析它所涉及的信息技術(shù),對(duì)故障診斷的實(shí)現(xiàn)進(jìn)行深入的研究,參考所含思路理念的情況下,具體闡述本系統(tǒng)所擁有的功能以及對(duì)應(yīng)的設(shè)計(jì)步驟,對(duì)整個(gè)設(shè)計(jì)的大致思路進(jìn)行整理。(3)根據(jù)車(chē)載信息系統(tǒng)的功能需求,在Linux與Qt/E環(huán)境下使用多線程編程、嵌入式數(shù)據(jù)庫(kù)等技術(shù),初步實(shí)現(xiàn)了車(chē)輛狀態(tài)監(jiān)控、故障診斷、車(chē)輛狀態(tài)信息存儲(chǔ)和遠(yuǎn)程監(jiān)控功能的實(shí)現(xiàn),并提供了良好的圖形人機(jī)交互界面。
[Abstract]:With the continuous progress of electronic automation control and microcontroller level, the arrival of the information age has promoted the rapid development of electronic technology, especially in the automotive control more obvious, its related technology is constantly improving. The renewal of technology has gradually spread from the initial passenger vehicle to the commercial vehicle field, especially in the field of bus control, and the impact is more far-reaching. [13]. The improvement of bus control technology will inevitably require advanced network communication technology. The increasing prosperity of people's living standards has led to a gradual improvement in the quality of material life. There is a greater need for safety, stability and comfort. [13] in order to meet this practical need, there is a real-time understanding of the actual state of the bus, which contributes to the timely improvement of the bus. This requires the use of network technology to collect bus information in order to grasp the actual operation of the bus, which is the focus of future research. This paper uses embedded system and CAN bus technology at the same time. Design a set of state information collecting mechanism suitable for bus development. [1. The main research contents are as follows: firstly, the research background and significance of this subject are introduced, and the purpose of the research is expounded, and the current research situation at home and abroad is summarized. The research method and research content are expounded. After that, the CAN bus technology is expounded, and the principle of CAN bus and the frame format of the bus are introduced. Elaborated J1939 protocol, to the vehicle running parameter carries on the analysis, thus lays the foundation for the later article research. Next, analyzes the automobile information collection system demand. The design principle of automobile information acquisition system is expounded, and the whole scheme of automobile information acquisition system is put forward. This paper studies the establishment of the database of the automobile information collection system. On this basis, it introduces the research and development process of the vehicle information collection system. After the detailed analysis of the system, the corresponding design methods and steps are given, and the hardware configuration and the use of software are described in detail. J1939 protocol stack is designed. Finally, the man-machine interface, vehicle fault diagnosis, vehicle monitoring. Through the research of this paper, we can get the following results: 1) to understand the development of ITS. The actual operation of foreign vehicle control system and the future direction of development are studied, and the shortcomings and shortcomings of the control equipment used in domestic vehicles are summarized. In order to lead to the subject of this study and the objectives to be achieved, according to the relevant provisions. Design a set of control system, which can collect the vehicle information and realize the timely handling of the fault. (2) introduce the CAN bus in detail, including its function advantages and basic structure, etc. It involves the analysis of information technology, the realization of fault diagnosis in-depth research, referring to the ideas contained in the case, the system has a specific description of the functions and corresponding design steps. According to the functional requirements of the vehicle information system, multi-thread programming and embedded database technology are used in the environment of Linux and Qt/E. The functions of vehicle status monitoring, fault diagnosis, vehicle status information storage and remote monitoring are realized, and a good graphical man-machine interface is provided.
【學(xué)位授予單位】：湖北工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TP273;TP274.2

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