Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 1998.04a
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- Pages.238-243
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- 1998
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- 1598-2548(pISSN)
Measurement and Excitation Techniques for Modal Testing of Rotating Machinery
회전 기계의 모드 시험을 위한 측정 및 가진 방법
Abstract
Measurement technique using only one sensor for complex modal testing of the asymmetric rotor is proposed. The reverse directional frequency response function of asymmetric rotor, which is known to be indicative of the degree of asymmetry in a symmetric rotor, is also shown to be identified with simplest technique requiring only one sensor and one excitor. It lessens the testing efforts and its practicality is verified by numerical simulation. The measurement and excitation techniques for complex modal testing are also summarized so that the efficient complex modal testing can be possible according to the kind of rotor system.
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