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Research on the Main Unit of Locomotive Speed Monitor System

Author: LiHui
Tutor: HePing
School: Harbin Institute of Technology
Course: Detection Technology and Automation
Keywords: Monitoring host Speed ??supervision Hot Standby DSP CAN bus
CLC: TP277
Type: Master's thesis
Year: 2007
Downloads: 97
Quote: 1
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Abstract


The locomotive monitoring system developed by our scientific and technical personnel in order to protect the safe operation of the locomotive for the purpose of comprehensive information on the ground , the locomotive 's own situation and locomotive signal information for locomotives running speed monitoring, then control the safe operation of trains locomotive monitoring device . In recent years, due to the large-scale promotion of the locomotive driving speed , increasingly demanding real-time , accurate and highly reliable monitoring speed . In this paper , by comparing the development status of the monitoring device at home and abroad as well as on the analysis of the main factors locomotive technology cab signaling, speed mode control, affect the locomotive , the design of a locomotive monitoring host . Based on the reliability of the monitoring system security considerations , the paper first discusses the two different ways of working of the hot standby technology , the general and comparative . By mathematical analysis of both the failure of mathematical models , comparison of both safety and reliability . Final determined in line with the guiding principle of \, so that the stand - alone structure , greatly improving the reliability and security of the system . The article also elaborated according to the condensed design Dual switch system works and stand - alone fault . Secondly , the paper describes in detail the design and implementation of the DSP as the monitoring of information processing and control core host system's hardware engineering . Due to the active and standby units in the hardware design is exactly the same , only a single unit of the power supply board and motherboard function module circuit introduced to clarify the power supply module , digital and analog input modules , communication modules, etc. The working principle and the links between each other . Finally in the TMS320F2812 DSP integrated development environment CCS2.0 system software design, debugging system software processes focus on the design and implementation of the CAN bus communication module software .

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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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