The Layout of Strain Sensor Based on the Preanalysis Load Distribution

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Abstract:

In this paper, the load distribution of the rear axle of a MPV is preanalyzed, by using the finite element analysis method, which obtains the contour and the strain tensor maps in the four working conditions of the rear axle: static load, braking, steering and torsion. By analyzing the contour and strain tensor maps, the key load locations and their main stress direction is identified. Through processing data of the calibration tests, the equations of linear regression between load and strain on the rear axle are determined.Comparing with the real 5vehicle road test results, the placement locations of the sensor on the rear axle, which is determined through the finite element analysis, are verified to be correct.

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474-478

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February 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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