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| Research on the Characteristic Tuning System of the New Rotating Angular Acceleration Sensor |
| LU Sheng-kang1,FENG Hao2,ZHAO Hao3 |
1. Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China
2. Innovation and Development Institute,Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China
3. Jiaxing University, Jiaxing, Zhejiang 314001, China |
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Abstract A set of characteristic calibration system was constructed for the calibration problem of rotating angular acceleration sensor. Firstly, the working principle of permanent magnet rotating angular acceleration sensor was analyzed. A pure angular single-phase, adjustable frequency amplitude modulated angular acceleration pulse source system based on frequency-modulated voltage-regulated power supply was proposed. Then the traditional incremental type was adopted, a rotating angular acceleration measurement system was constructed by the grating encoder and FPGA. Finally, the output characteristics of the sensor were calibrated by comparing the peak value of the output voltage of the rotating angular acceleration sensor with the peak value of the actual angular acceleration of the measurement system. The relation curve between the output voltage and the angular acceleration was obtained, the linear error of which is 1.81%.
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Received: 16 October 2018
Published: 14 May 2020
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2020, Vol. 41 
