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Research on Monitoring and Early-warning System for Truck Brake Safety Status

Author: WangHaiZheng
Tutor: LiShiWu
School: Jilin University
Course: Traffic Environment and Safety Technology
Keywords: Truck Braking system Dangerous Status Early-warning
CLC: U463.5
Type: Master's thesis
Year: 2013
Downloads: 37
Quote: 0
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Abstract


Since the beginning of the21st century, Chinese transportation ushered in aperiod of rapid development, and the issues of road traffic safety has becomeincreasingly serious. The real-time monitoring and early-warning of the operatingstate of the truck is a hot research area and cutting-edge in the developed countries.Combined with the major technical requirement for safety monitoring technology andequipment of the truck, supported by the national863plan project The IntegratedTechnology and Device for Testing and Early-warning of Operating Laden VehicleSafety,the work mainly study on the dynamic testing and warning method during thevehicle operating.The main research of this article is as follows(1)Study the identification method about the dangerous status of the truckStarting from the brake system, the paper analyzes several key factors affectingthe brake performance; Braking distance analysis model is established, and throughfactors analysis, experimental calibration, the model is further simplified andimproved. Then based on braking distance analysis model the thickness and thetemperature of the brake shoe we designed a new dangerous status identificationmethod which is the theoretical foundation to establish the experimental system forlater tests.(2) Design of the brake system status monitoring and early-warning systemThrough the installation of the sensors in the vehicle, this paper designed anddeveloped a set of the truck brake safety status monitoring and early-warning system,which collected the vehicle braking status information that closely related to thesafety performance, dynamically monitored the vehicle safety status in real-time,timely provided warning information to drivers when the vehicle fails and providethe key technical support for active prevention of traffic accidents.The main research conclusion includes: the design and development of thevehicle terminal and warning panel, the design, selection and installation of thebraking system correlated detection device, the design and development of theearly-warning panel, the establishment of the integral hardware platform, theworkflow design of the risky status early-warning, the development of the softwareprogram code, etc. (3) Experimental study of the brake system status monitoring and early-warningsystemFor verifying the reliability and accuracy of the brake system status monitoringand early-warning system, we did indoor reliability test on the system, and foranalyzing the work performance and early-warning efficiency of the system, wecarried on real vehicle road test.In conclusion, this paper established a set of the truck brake safety monitoringand early-warning system. In view of the brake failure and the minimum safefollowing distance based on the brake status, the system provided effectiveearly-warning prompt and operation assistant, and also lay foundation of the latervehicle safety monitoring technology and the design and development of the device.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Braking system
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