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CAN bus network monitoring system based on USB interface design

Author: DuJianFeng
Tutor: XuZhiLiang；PengFuMing
School: Nanjing University of Technology and Engineering
Course: Control Theory and Control Engineering
Keywords: CAN bus USB Firmware Drive Real-time monitoring Test
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 393
Quote: 3
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Abstract


CAN bus communication network self- developed by the German Bosch company in the eighties of the last century , after 25 years of rapid development , with its unique design and high reliability in automotive applications occupy a dominant position. However , CAN bus standard protocol only standardized data link and physical layers , not specifically to develop the application layer , resulting in the application layer protocol used by the major automobile manufacturers vary , leading to the detection of CAN bus network data work has not been easy. expand , and thus can not be a good network monitoring . In this context , the issue is designed and developed common test of CAN bus network monitoring system . The system acquisition and analysis of the information transmitted by the node on the CAN bus , the working conditions of the monitored nodes , simultaneously transmits the instruction to the bus , the control node operation . Monitoring system for the realization of the test , the paper made ??the following work : (1) in -depth study of the CAN bus protocol based on CAN bus network monitoring system structure , elaborated system , hardware and software design and development process . ( 2) Communication between PC and USB communication MC9S12DJ64 internal integrated CAN controller and the USB 2.0 specification CY7C68013A, USB - CAN converter hardware circuit design , including the CAN interface circuit module , USB interface circuit module and AD sampling module . ( 3) The combination of a dedicated development environment gives the CAN communication and USB device -side communication firmware development process and the structure of the program , designed specifically for the USB device driver . (4 ) in the PC developed visual monitoring software platform PASSAT B5 CAN bus comfort system experimental platform to test the system and functional verification .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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