Design and Realization of Automatic WindSpeed Sensor Calibration System for Automatic Weather Stations
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Abstract:
The upgrading and reconstructing of the calibrating system based on the Model500 windtunnel used widely in the provincial/prefecturallevel meteorological instrument calibration departments is introduced. The overall design scheme and philosophy are based on a computer, and the data collector and motor control circuit are developed to digitize all physical quantity involved in the process of calibration. The computer reads in data from the asynchronous serial port of the collector to realize the automation of AWS (Automatic Weather Station) wind speed sensor calibration and meanwhile to have the capability of calibrating semiautomatically conventional windfinding instruments. The calibration data are put into the LAN server, and the remote processing, printing, and sharing of data are realized. The software is based on the Windows platform written by VB 6.0. This system has been put into operation, and the practice of more than one year proves that it is steady, reliable, and easy to use. The competent authorities plan to popularize the system in the meteorological instrument calibration agencies across China.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.