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Research on Tire Pressure Monitering System

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Tutor: ZhouYongQin
School: Harbin University of Science and Technology
Course: Power Electronics and Power Drives
Keywords: Tire pressure,Small loop antenna,FSK modulation
CLC: U463.341
Type: Master's thesis
Year:  2009
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Abstract:
The process of moving vehicles in high-speed tire failure is the important reason of all motorists most worried about , and the most difficult to prevent sudden traffic accidents . The accident occurred on the highway in large part due to a flat tire , tire pressure to predict in advance is the best way to prevent puncture and timely prevention . Tire pressure monitoring system , TPMS (Tire Pressure Monitoring System) is based on the above reasons came into being . Its main function is for automatic monitoring tire pressure when the tire state is unsafe alarm to alert the driver to take timely measures to avoid the vehicle in an unsafe state , enabling beforehand protection function . The paper introduces the development status of the TPMS system , TPMS technology requirements and capabilities , and put forward a feasible system design ; the tire module integrated chips and low-power technology , to ensure the tire module small size , light weight energy consumption requirements ; system wireless transmitter / receiver circuit design , the system uses for RF transmitter / receiver chip MC33493/MC33594 debugging approach to achieve wireless data transmission system tire module and receiver module ; LCD real-time display of the status of each tire , buzzer and LED sound and light alarm to remind drivers to take timely measures ; design software makes full use of the device to wait , sleep function to the maximum extent possible to reduce the power consumption of the tire module , and the modular design concept throughout the whole process of software design ; comprehensive anti-jamming design of system hardware and software , to ensure the reliability of the system is running . Papers on small loop antenna used in automotive tire pressure monitoring system analysis and design , made ??a deep theoretical analysis for its impedance matching , small loop antenna design small size , light weight and immunological characteristics of electrical interference signal so that the signal has been efficient transmission . The papers made ??the temperature of the system design , the pressure testing laboratories as well as road test experiment , the experimental results show that , the paper designed the system to achieve the expected targets .
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