주파수응답함수의 변화를 이용한 기계적 결합부의 동특성 파라미터 해석

Dynamic Analysis of Mechanical Joint Parameters Using the Variation of Frequency Response Function

  • 강성구 (금성사, 중앙연구소) ;
  • 지태한 (연세대학교대학원기계공학과) ;
  • 유원희 (삼성전자 냉열기 사업부) ;
  • 박영필 (연세대학공과대학기계공학부)
  • 발행 : 1994.06.01

초록

The dynamic behavior of a complex mechanical structure can be identified by dividing the structure into a series of smaller structure, called sub- structure and by studying the dynamic characteristics of these components. Generally, the dynamic characteristics of mechanical structure are strongly affected by the properties of joint parameters. In this paper, to identify the dynamic characteristics of mechanical structure, and experimental identification method in which directrly measured frequency response function(FRF) is used is considered. The method does not use the procedure of complex matrix calculation but use that of real matrix calculation. To confirm this method, computer simulation is performed by using frequency response function mixed with noise, and the experimental study is performed about the simple structure. The dynamic characteristics of joint parameters and identified more accurately than in using the prcedure of complex matrix calculation.

키워드

참고문헌

  1. ASME Journal of Engineering for Industry v.107 Identification of Joint Structural Parameters of Machine Tool by DDS and FEM Yuan,J.X.;Wu,X.M.
  2. Journal of Sound and Vibration v.125 The Identification of Dynamic CHaracteristics of a Single Bolt Joint Tsai,J.S.;Chou,Y.F.
  3. ASME Journal of Vibration, Acoustics Stress and Reliablity in Design v.108 Identification of Mass, Damping, and Stiffness Matrices of Mechanical System Fritzen,C.P.
  4. 10th IMAC Identification of Mechanical Joint Parameters from Incomplete FRFs Yang,K.T.;Park,Y.S.
  5. ASME Journal of Vibration, Acoustics v.113 Experimental Identification of Mechanical Joint Parameters Wang,J.H.;Liou,C.M.
  6. モ-ト解釋 長松昭男
  7. Matrix Computations Golub,G.H.;Van Loan,C.F.