Development of Active Seismometer possessing Expanded Dynamic Range by using Digital Feedback Control -

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분야	공학 > 기계공학
저자	Satoshi FUTAI Kazuto SETO Ryo WATANABE Yuichi IWASAKI Mitsuru MIYAZAKI Toru WATANABE
발행기관	대한기계학회
간행물정보	대한기계학회 춘추학술대회 2015년, Proceedings of the 4th Korea-Japan Joint Symposium on Dynamics and Control, 133page~136page(총4page)
파일형식	2717879 [다운로드 무료 PDF 뷰어]
판매가격	6,000원
적립금	180원 (구매자료 3% 적립)

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부제 :
ABSTRACT
INTRODUCTION
PROPOSED SENSOR
EFFECTS OF EACH FEEDBACK
ABSOLUTE DISPLACEMENT SENSOR USING THE DEGITAL CONTROLLER
EXPERIMENT SETUP
EXPERIMENT RESULTS WITH THE ANALOG CONTROLLER
EXPERIMENTAL RESULTS WITH THE DEGITAL CONTROLLER UNDER DEVELOPMENT
CONCLUSIONS
REFERENCES

영문초록

This paper proposes a new type of active seismo-meter measuring vibration possessing long period and wide dynamic range. In order to lower the natural frequency and expand the detectable amplitude, the sensor with the low natural frequency is realized by using feedback control. Besides, analog feedback control circuit consisted of resistors, capacitors and operational amplifiers possess temperature dependency, while digital feedback control circuit consisted of computer and digital signal processor is temperature independent. In this report, a novel digital feedback control circuit is developed and tested to avoid temperature dependency. It has been demonstrated that the detectable frequency range and the dynamic range of that is expanded.