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Abstract ▼ AI-Helper

In this paper, we produced wheel speed sensors for detecting change in vehicle speed by detecting changes in magnetic flux density due to the rotation of the axle and compared its characteristics with experiments. As fabricated sensors are active wheel speed sensors, AWSS1(Active type wheel speed ...

In this paper, we produced wheel speed sensors for detecting change in vehicle speed by detecting changes in magnetic flux density due to the rotation of the axle and compared its characteristics with experiments. As fabricated sensors are active wheel speed sensors, AWSS1(Active type wheel speed sensor 1) with internal magnet and AWSS2 with external magnet have internal 2-wire Hall IC and cable linkup what is housed by ABS resin as sample. The trial products are that minimum speed detecting of 12km/h, frequency error of ±5Hz and respective duty cycle of 48 ~ 52% and 49 ~ 51%. Active wheel speed sensor is more compact and light, also lower cost and number of parts than passive type wheel speed sensor, besides, it is better duty cycle and lower frequency error than ready-made wheel speed sensor.

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