거친 환경에 최적화된 가속도계 무선 데이터 로깅모듈

다국어 초록 (Multilingual Abstract)

A wireless data logging system connected with accelerometer was developed for measuring vibration in harsh environment where conventional vibration equipment could not be used, e.g., on deck of the battleship, surface of the submarine or airplane, etc. To minimize wired connections, the module used a battery to supply power, and the data was recorded by the module itself on the SD card. Data logging was carried out through Arduino. Because the voltage levels of the accelerometers were different, the internal circuits were adjusted by changing the voltage levels through level shifting. Data logging was optimized using the hardware interrupt and double buffering to maintain a constant sampling rate during data logging and to prevent loss of data. The vibration data obtained through the manufactured module was compared with data measured by LMS test to confirm the validity of the signal. It was also confirmed that the module measurement data was normal even during long-time measurements.

참고문헌 (Reference)

1 이선표, "진동신호 무선 수집에 대한 연구" 한국센서학회 27 (27): 254-258, 2018

2 심보군, "구조안전성 평가를 위한 무선 진동 모니터링 시스템 개발" 한국소음진동공학회 20 (20): 166-171, 2010

3 "http://www.ksnve.or.kr/dictionary/?consonant =%E3%84%B1"

4 손종덕, "MEMS 가속도계 기반의 기계 상태감시용 스마트센서 개발" 한국소음진동공학회 18 (18): 872-878, 2008

5 Texas Instruments, "LM741 Operational Amplifier, NAD0010A"

6 Piezotronics, P. C. B., "ICP Accelerometer Installation and Operation Manual, Model 352C33"

7 Balla, J., "Experimental Study of Turret-mounted Automatic Weapon Vibrations" 9 (9): 16-25, 2015