Abstract
Crash pulse is an acceleration curve occurring on the automobile during a full-scale crash test or on vehicle component during a sled test. It is a tool that help engineer to analyze a vehicle's crashworthiness for developing safety design. The purpose of this work is study the possibility to control crash pulse by using waste tires, which is a good absorber, recycle material, and many more available at low price. The property of waste tire was investigated using a quasi-static test to analyze the stiffness of the tire specimen in two directions, axial and radial. After acquiring the property of waste tires, mathematical model is formulated in MATLAB/Simulink to analyze the factors required to control crash pulse, such as vehicle mass, velocity impact, the length required to stop, tires stiffness, and time duration. The results of simulation reveal that the arranged waste tire can control crash pulse under the acceleration corridor of UNECE R100. In conclusion, the proposed concept has significant potential to control crash pulse for evaluating the crash safety performance of vehicle components and to guide the future development of safety technology under affordable price.
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