시분할 방식을 이용한 3차원 초음파 풍향풍속계 측정기술 개발 (Development of 3 - Dimensional Ultrasonic Wind Direction Anemometer Measurement Technique Using Time Division Method)

서지정보

· 발행기관 : 한국센서학회
· 수록지 정보 : 센서학회지 / 26권 / 1호 / 66 ~ 72페이지
· 저자명 : 이우진, 최재영, 김경원, 임재홍

초록

The three dimensional ultrasonic anemometer was constructed to reduce the disadvantages of the two-dimensional anemometer and to be free from the use environment. Three pairs of transmitting and receiving ultrasonic sensors were designed to face each other atan angle of 45° to the upper and lower surfaces at intervals of 120°. 200 kHz ultrasonic sensor Oscillation, transmission and reception,level detection, power supply circuit were designed and U, V, W wind speed vector components were obtained by measuring the time of first received ultrasonic pulse by transmitting pulse ultrasound. It is implemented as firmware in ARM Coretex-M3 processor so that horizontal and vertical wind direction and wind speed can be converted into digital signal by vector calculation. In this study, The three-dimensional ultrasonic anemometer can complement the disadvantages of the two-dimensional anemometer (mechanical and ultra-sonic), and it is expected to gradually replace the two-dimensional anemometer due to its high utilization rate by collecting additional information such as vertical wind.

영어초록

The three dimensional ultrasonic anemometer was constructed to reduce the disadvantages of the two-dimensional anemometer and to be free from the use environment. Three pairs of transmitting and receiving ultrasonic sensors were designed to face each other atan angle of 45° to the upper and lower surfaces at intervals of 120°. 200 kHz ultrasonic sensor Oscillation, transmission and reception,level detection, power supply circuit were designed and U, V, W wind speed vector components were obtained by measuring the time of first received ultrasonic pulse by transmitting pulse ultrasound. It is implemented as firmware in ARM Coretex-M3 processor so that horizontal and vertical wind direction and wind speed can be converted into digital signal by vector calculation. In this study, The three-dimensional ultrasonic anemometer can complement the disadvantages of the two-dimensional anemometer (mechanical and ultra-sonic), and it is expected to gradually replace the two-dimensional anemometer due to its high utilization rate by collecting additional information such as vertical wind.

참고자료

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