WEIS wheel speed real-time measuring method for VOSM

Mengyao PAN1,Guixiong LIU1,Xiaobin HONG1,Tusheng LIN2,

PDF(283 KB)
PDF(283 KB)
Front. Mech. Eng. ›› 2010, Vol. 5 ›› Issue (3) : 322-327. DOI: 10.1007/s11465-010-0022-0
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WEIS wheel speed real-time measuring method for VOSM

  • Mengyao PAN1,Guixiong LIU1,Xiaobin HONG1,Tusheng LIN2,
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Abstract

Wheel speed is one of the key parameters of vehicle operating attitude. To solve the problems in traditional wheel speed measuring methods, such as low measurement precision and the lack of real-time monitoring of the vehicle’s operating attitude, a wheel embedded intelligent sensors (WEIS) wheel speed measuring method for vehicle operating safety states monitoring (VOSM) is innovatively proposed. Radial acceleration signal is obtained through a WEIS module embedded in the hub. Using wavelet packet to implement wavelet de-noising for the non-stationary acceleration signals, and adopting short-time Fourier transform (STFT) algorithm to extract the signal characteristics, the wheel speed measurement can be achieved. The experimental result shows that under experimental conditions the speed measurement error is −2.05%, and the speed measuring response time is 0.45 s.

Keywords

wheel embedded / intelligent sensing / wheel speed / monitoring

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Mengyao PAN, Guixiong LIU, Xiaobin HONG, Tusheng LIN,. WEIS wheel speed real-time measuring method for VOSM. Front. Mech. Eng., 2010, 5(3): 322‒327 https://doi.org/10.1007/s11465-010-0022-0
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