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The Design of a MCU Vehicle Inteligent Terminal Based on the GPS/GPRS

Author: RongRong
Tutor: MaZheng
School: Southwest Jiaotong University
Course: Communication and Information System
Keywords: Car intelligent service system Vehicle intelligent terminal Global satellite navigation system General Packet Radio Service Single-chip microprocessor
CLC: TP368.12
Type: Master's thesis
Year: 2011
Downloads: 165
Quote: 1
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Abstract


Vehicle intelligent service system is a collection of electronic technology, communication technology and database technology is widely used in the field of traffic management and a new field . Vehicle intelligent terminal , the control server, and the database is a major component of the intelligent vehicle service system by the type of information network for communication between the various parts . Paper, the main goal is to achieve the car intelligent terminal based on single chip microprocessor ( MCU ) . Vehicle intelligent terminal is the bridge between the car with the main sensing unit of the intelligent service system , but also to communicate the \The terminal needs to implement GPS positioning and navigation functions , vehicle comprehensive service functions of the state of the vehicle data acquisition , wireless data transmission function, voice menu . This thesis is designed and implemented based on the 51 - core single-chip automotive intelligent vehicle terminal , STC12LE5A60AD microcontroller entire vehicle intelligent terminal master device and its peripheral circuits main control unit . GPS ( Global Positioning ) positioning unit of REB-3571LP module and its peripheral circuit . The wireless communication unit by the GPRS (General Packet Radio Service) / GSM (Global System for Mobile Communication) module the GTM - 900B and its peripheral circuits ; man-machine interface unit constituted by smart voice synthesis the chip WT588D master unit and the dual audio decoder chip HM9270 . The main control unit through a serial time-division multiplexing , respectively, to exchange information with the GPS positioning unit , the radio communication unit , the man - machine interface unit . At the same time , the master unit is responsible for the collection site information on the car , the car status information is extracted by a plurality of signal interface . The GPS positioning unit is used to obtain the precise positioning of the car data ; wireless communication unit is responsible for the the car various monitoring data transmitted to the server via GPRS . Change vehicle intelligent terminal , the paper detailed circuit design, printed circuit board map design . And then complete hardware and software implementation of system-wide , the final test of the terminal . The test results show that : the terminal design is reasonable , stable and reliable .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Micro-computer > A variety of micro-computer > Microprocessor
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