DOI QR코드

DOI QR Code

The Development of Real-time Feedback Vibration Control System Using Wireless Sensor Networks

무선 센서 네트워크를 이용한 실시간 Feedback 진동제어 시스템 개발

  • Received : 2011.01.19
  • Accepted : 2012.04.30
  • Published : 2012.05.30

Abstract

This paper aims to constitute a feedback vibration control system using wireless sensor networks and experiment it on a model structure to verify its effectiveness. For the purpose, we set up a feedback vibration control system composed of a wireless input/output(I/O) sensor node based on bluetooth, a home-made shear type MR damper, a shaker which generates a constant size of sine wave, and a simple beam model structure. The vibration control experiment was performed by shaking the 1/4 point of beam with a shaker. At the moment of shaking, we controled the vibration with MR damper which was placed vertically on the center of beam. Simultaneously, by acquiring acceleration response at the 2/4 point of beam, we evaluated the effectiveness of control capability. The control command was set to send a voltage signal to MR damper when the acceleration response, acquired from the wireless I/O sensor node placed at the center of beam, was more than a certain amount. Although the realtime feedback vibration control system constituted in this paper is effective only within a limited command system, it has been proven that the system was able to effectively decrease the vibration of structure by generating a control command aimed for realtime purpose. The system also showed a possibility to be used as a structural response control system adapting a variety of semi-active control algorithm.

Acknowledgement

Supported by : 한국연구재단

References

  1. 김경목, 강철신, 오병주, 이영훈, "교량 모니터링을 위한 예약 기반 무선 센서 네트워크에 관한 연구", 한국정보기술학회논문지, vol. 7, No. 6, 2009. 12, pp.121-127.
  2. 조수진, 윤정방, 정형조, "스마트 무선 센서를 이용한 사장교 구조 건전성 모니터링 시스템", 구조물진단학회지, vol. 15, No. 2, 2011.3, pp.12-22.
  3. 허광희, 이우상, 김만구, "스마트 센서 기술을 이용한 구조물 건전도 모니터링 시스템 Part I: 스마트 센서의 개발과 성능평가", 구조물진단학회지, vol. 11, No. 2, 2007. 3, pp.134-144.
  4. 허광희, 이우상, 이진옥, 전준용, 손동진, "교량 모니터링을 위한 스마트 무선 계측 시스템 개발", 구조물진단학회지, vol. 15, No. 2, 2011.3, pp.171-178.
  5. Kurata, N., Spencer Jr., B. F., Ruiz-Sandoval, M., Miamoto, Y. and Sako, Y., "A Study on Building Risk Monitoring Using Wireless Sensor Network MICA-Mote", First International Conference on Structural Health Monitoring and Intelligent Infrastructure, Tokyo, Japan, November 13-15, vol. 1, 2003, pp.353-357.
  6. Lynch, J. P., Partridge, A., Law, K. H., Kenny, T. W., Kiremidjian, A. S. and Carryer, E., "Design of a Piezoresistive MEMS-Based Accelerometer for Integration with a Wireless Sensing Unit for Structural Monitoring", Journal of Aerospace Engineering, ASCE, vol. 16, No. 3, 2003, pp.108-114. https://doi.org/10.1061/(ASCE)0893-1321(2003)16:3(108)
  7. Lynch, J. P., Wang, Y., Swartz, R. A., Lu, K. C. and Loh, C. H., "Implementation of a Closed-Loop Structural Control System using Wireless Sensor Networks", Structural Control and Health Monitoring, 2008, 15:518-539. https://doi.org/10.1002/stc.214
  8. Shinozuka, M., Feng, M. Q., Chou, P., Chen, Y. and Park, C., "MEMS-Based Wireless Real-Time Health Monitoring of Bridge", The 3rd International Conference on Earthquake Engineering, Nanhing, China, 2003.
  9. Straser, E. G. and Kiremidjian, A. S., "A Modular Visual Approach to Damage Monitoring for Civil Structures", Proceedings of SPIE, Smart Structures and Materials, 1996, 2719:112-122.
  10. Wang, Y., Swartz, R. A., Lynch, J. P., Law, K. H., Lu, K. C. and Loh, C. H., "Decentralized Civil Structural Control using Real-Time Wireless Sensing and Embedded Computing", Smart Structures and Systems, vol. 3, No. 3, 2007, pp.321-340. https://doi.org/10.12989/sss.2007.3.3.321