Study on Rollover Security Based on the Bus Middle Body Frame

Abstract:

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Based on the middle body frame of a Half-integral bus which a bus manufacturer mainly produces in China, this paper discusses analyses and improvements for rollover security of the bus middle body frame with TRIZ methodology and TRIZ tools. On the basis of forming mechanism of bus rollover, a breakthrough point has been found from cause and effect relationship and function achievements aspect; some customized measures are therefore proposed. It focuses on the stiffness design of side pillars and the strength enhancement of soldering joints. Applying CAE analysis based on Ls-dyna, the results show that the deformation and deformation mode of the bus middle body frame have been greatly improved during bus rollover, which fulfills the requirements of the force of ECE R66 Rollover Security Regulations and validates the correctness of suggested measures.

Info:

Periodical:

Edited by:

Honghua Tan

Pages:

516-522

DOI:

10.4028/www.scientific.net/AMM.138-139.516

Citation:

Y. Lu et al., "Study on Rollover Security Based on the Bus Middle Body Frame", Applied Mechanics and Materials, Vols. 138-139, pp. 516-522, 2012

Online since:

November 2011

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Price:

$35.00

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