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Vol. 160, Issue 12, December 2013, pp.106-110

 

Bullet

 

High-accuracy Wind Speed Measurement Based on Hall Sensor and FPGA
 
1 Chunfu ZHANG,1 Jianqiang HE, 2 Jianguo MIAO, 2 Song TANG

1 School of Electrical Engineering, Yan Cheng Institute of Technology, Yan Cheng, 224051, China

2 Chenguang Calibration & Testing Center, Nanjing, 210006, China

1 Tel.: (+86)152 6199 5726
E-mail: zhangchunfu@ycit.edu.cn

 

Received: 18 September 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Anemometer is a typical wind speed measuring equipment, widely applied in new energy field and meteorological measurement. This paper analyzed the measuring principle of cup anemometer, and presented a high-accuracy wind speed measure based on orthogonal Hall sensors. The sensors were arranged appropriately to output orthogonal pulses, on this basis, signal filtering, subdivision unit, gated counter and interface were realized by FPGA?The precision analysis shows this method has much less relative error without too much cost and preserves the original dynamic characteristics.

 

Keywords: Wind speed measurement, Hall sensor, Orthogonal, Subdivision, FPGA.

 

 

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