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Liying ZHANG
Wayne State University, Detroit, Michigan

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Experiment System of Motorcycle Impact Injury Using Electric Motor Traction Haibin CHEN; Jianjin HANG; Liying ZHANG; Xin NING; Xiaoyan LI; Zhiyong YIN; Guangyu YANG; Zhengguo WANG
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 4: April 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

A unique motor drive unit (MDU) and motorcycle crash simulation unit (MCSU) were developed to establish a short-track and high-accuracy experiment system of motorcycle impact injury. The control hardware of the MDU consists of a “two DC motors” system and a “two drums, closed-loop, friction transmission” system, and the control software of the MDU has a novel “carriage acceleration profile control program” which was specially set up to prevent the cusp-like pulse and oscillation phenomenon in the acceleration stage close to the uniform velocity. The unique motorcycle sled and energy absorber constitute a novel MCSU. Research results show that: (1)Using a unique generation algorithm of the carriage acceleration- and velocity-time curve and unique manufacturing techniques of hardware components, the apparatus presented in this paper has a potential to become the first short-track experiment system of motorcycle impact injury. (2)Due to a high weight capacity with the ability to propel whole vehicles, the MDU can be used in the full motorcycle/full vehicle crash tests or vehicle component sled impact tests. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2429
Liquid Metal Strain Gage To Test Cervical Facet Capsule Strain Haibin CHEN; Yi WANG; Liying ZHANG; Guangyu YANG; Xin NING; Xuemei CHENG; Zhengguo WANG
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 1: January 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

A broad range of investigations has been carried out to suggest that the facet joint capsule is a source of neck pain and the pain may arise from large strain in the joint capsule that will cause pain receptors to fire. To in vivo measuring cervical facet capsule strain, a special liquid metal was selected as a sensing element to develop a high-range miniature wire strain gage. The calibration tests and a sled rear-end impact experiment were carried out to examine the technical behavior of this strain gage. It is shown that: This strain gage has a relatively high strain range and a relatively high degree of linearity. Due to a miniature wire structure and a relatively high degree of flexibility of use as well as a minimal external adhesive force, this strain gage has the capability of in vivo testing cervical facet capsule strain. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1922
Co-Authors Guangyu YANG Guangyu YANG Haibin CHEN Haibin CHEN Jianjin HANG Xiaoyan LI Xin NING Xin NING Xuemei CHENG Yi WANG Zhengguo WANG Zhengguo WANG Zhiyong YIN