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http://dx.doi.org/10.5050/KSNVN.2004.14.5.394

Impact Responses of Two Colliding Bodies Considering Sensor Dynamics  

류봉조 (한밭대학교 기계공학부)
안길영 (LG산전(주)
권병희 (LG산전(주)
송오섭 (충남대학교 기계공학)
이종원 (충남대학교 대학원 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.5, 2004 , pp. 394-401 More about this Journal
Abstract
This paper presents a study on the analysis of impact responses taking into account sensor dynamics. The contact force between impacting bodies is modelled by using Hertz force-displacement law and linear damping function. Since the real impact force and acceleration at the contact surface of two colliding bodies are measured indirectly by the sensors, the measured outputs can be a little different from the real impact responses. Therefore, in this study, the importance of consideration of sensor dynamics in the impact problems of two colliding bodies is emphasized. In order to verify the appropriateness of the proposed contact force model, the drop type impact test using two kinds of sensors is carried out. Through the numerical analysis and experiment, the effect of sensor dynamics and characteristics on the contact force model is investigated.
Keywords
Sensor Dynamics; Impact Force; Contact Force Model; Magnetic Contactor;
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