Nuclear Engineering and Technology

  • 제43권6호
  • /
  • Pages.573-582
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  • 2011
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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A PROCEDURE FOR GENERATING IN-CABINET RESPONSE SPECTRA BASED ON STATE-SPACE MODEL IDENTIFICATION BY IMPACT TESTING

  • Cho, Sung-Gook (JACE KOREA R&D Center) ;
  • Cui, Jintao (Department of Civil and Environmental Engineering, Kunsan National University) ;
  • Kim, Doo-Kie (Department of Civil and Environmental Engineering, Kunsan National University)
  • 투고 : 2010.08.17
  • 심사 : 2011.04.29
  • 발행 : 2011.12.25
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초록

The in-cabinet response spectrum is used to define the input motion in the seismic qualification of instruments and devices mounted inside an electrical cabinet. This paper presents a procedure for generating the in-cabinet response spectrum for electrical equipment based on in-situ testing by an impact hammer. The proposed procedure includes an algorithm to build the relationship between the impact forces and the measured acceleration responses of cabinet structures by estimating the state-space model. This model is used to predict seismic responses to the equivalent earthquake forces. Three types of structural model are analyzed for numerical verification of the proposed method. A comparison of predicted and simulated response spectra shows good convergence, demonstrating the potential of the proposed method to predict the response spectra for real cabinet structures using vibration tests. The presented procedure eliminates the uncertainty associated with constructing an analytical model of the electrical cabinet, which has complex mass distribution and stiffness.

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참고문헌

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피인용 문헌

  1. Development of basic technique to improve seismic response accuracy of tributary area-based lumped-mass stick models vol.18, pp.1, 2019, https://doi.org/10.1007/s11803-019-0493-x