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  本文選題：車輛遠程信息服務系統　切入點：Android客戶端　出處：《重慶大學》2014年碩士論文　論文類型：學位論文

【摘要】：隨著移動互聯網的快速發(fā)展，智能手機市場競爭異常激烈，其硝煙已蔓延至汽車行業(yè)。傳統車載信息服務系統存在著更新周期長、維護成本高、擴展性差等弊端，已不能完全滿足用戶需求。車聯網作為未來汽車的發(fā)展方向，已有不少車企加大投入開展相關研究，“車載終端+智能手機”模式則為車載信息服務系統帶來了新的生機。本課題在國家重點實驗室專項經費項目的支持下，對車輛遠程信息服務系統展開了研究，本文基于Android平臺設計開發(fā)了車輛遠程信息服務系統客戶端，與遠程服務器建立無線通信，實現車輛狀態(tài)信息采集及遠程監(jiān)控。 本文的主要研究內容和結論如下： ①對現有車輛遠程信息服務系統的實現方案進行歸納總結，主要分析它們所采用的關鍵技術、存在的優(yōu)缺點以及功能配置。在此基礎上提出了一種基于C/S架構的系統方案：Android應用作為客戶端，Web應用作為遠程服務器，均采用Java語言開發(fā)。 ②選擇ELM327作為系統硬件設備與汽車進行交互，智能手機與ELM327建立藍牙通信來獲取數據。研究了OBD系統工作原理、OBD-П接口連接、OBD-П通信協議以及數據解析方法。通過SAE J1979標準文檔和ELM327芯片資料加深對相關原理的理解，為接下來的程序設計奠定基礎。 ③選擇Eclipse作為應用開發(fā)工具，在Windows環(huán)境下搭建了Android開發(fā)環(huán)境，學習Java和Android的基本語法和編程方法。在Eclipse中創(chuàng)建Android項目，，采用模塊化編程實現各種功能，并根據UI設計規(guī)則完成用戶界面設計。 ④借助百度地圖Android SDK成功地將其嵌入到應用中，基于手機GPS進行定位，設計了軌跡跟蹤實現方法并提供了位置檢索服務。利用Android開發(fā)包中集成的HttpClient開源項目，通過發(fā)送POST請求的方式，將采集到的數據無線傳輸到遠程服務器。 ⑤完成了車輛遠程信息服務系統客戶端的模擬器測試和真機測試，進行了實車試驗，并與遠程服務器進行了系統聯調。測試結果表明：Android客戶端實現了基本功能，達到了預期目標，驗證了方案的可行性，但其兼容性和穩(wěn)定性還有待進一步提高。
[Abstract]:With the rapid development of mobile Internet, the competition of smart phone market is very fierce, and its smoke has spread to the automobile industry. The traditional on-board information service system has many disadvantages, such as long renewal period, high maintenance cost, poor expansibility and so on. Car networking is the future direction of automobile development. Many car companies have increased their investment in related research, and the "on-board terminal smart phone" model has brought new vitality to the vehicle-borne information service system. This topic is supported by the special funding project of the State key Laboratory. The vehicle remote information service system is studied in this paper. Based on the Android platform, the client of the vehicle remote information service system is designed and developed, and the wireless communication with the remote server is established to realize the vehicle status information collection and remote monitoring. The main contents and conclusions of this paper are as follows:. The main contents of this paper are as follows: 1. The implementation scheme of the existing vehicle remote information service system is summarized, and the key technologies adopted by them are mainly analyzed. On the basis of this, a system scheme based on C / S architecture is put forward, which is developed by Java language as a client web application as a remote server and as a client web application. (2) choosing ELM327 as the hardware device of the system to interact with the automobile, A Bluetooth communication between smart phone and ELM327 is established to obtain data. The working principle of OBD system is studied, and the communication protocol and data analysis method are studied. Through SAE J1979 standard document and ELM327 chip data, the related principle is further understood. Lay the foundation for the following programming. 3 choose Eclipse as application development tool, set up Android development environment in Windows environment, learn the basic syntax and programming method of Java and Android, create Android project in Eclipse, realize various functions by modular programming. The user interface is designed according to UI design rules. (4) with the help of Baidu map Android SDK, we successfully embed it into the application, based on the mobile phone GPS to locate, designed the track tracking implementation method and provided the location retrieval service, and used the HttpClient open source project integrated in the Android development kit. By sending the POST request, the collected data is transmitted wirelessly to the remote server. 5. The simulator test and real machine test of the client side of the vehicle remote information service system are completed, the real vehicle test is carried out, and the system connection with the remote server is carried out. The test results show that the basic function of the Android client is realized. The expected goal is achieved and the feasibility of the scheme is verified, but its compatibility and stability need to be further improved.
【學位授予單位】：重慶大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP311.52;U495

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