Identification of rotating asymmetry in rotating machines by using reverse directional frequency response functions

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Volumn 215, Issue 9, 2001, Pages 1053-1063

  Lee, C W ^a   Kwon, K S ^b  

^a Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

^b LG Electronics Inc   (South Korea)

Author keywords

Asymmetric rotor; Complex modal testing; Directional frequency response function; Measurement and excitation method

Indexed keywords

ELECTRIC EXCITATION; FREQUENCY RESPONSE; VIBRATIONS (MECHANICAL);

VIBRATION SENSORS;

ROTATING MACHINERY;

MEASUREMENT METHOD; ROTATING BLADE ROW; ROTOR;

EID: 0035150635     PISSN: 09544062     EISSN: None     Source Type: Journal    
DOI: 10.1243/0954406011524414     Document Type: Article

References (9)

1. A complex modal testing theory for rotating machinery
2. Theory of excitation methods and estimation of frequency response functions in complex modal testing of rotating machinery
3. Excitation methods and modal parameter identification in complex modal testing for rotating machinery
4. Development of the use of directional frequency response functions for the diagnosis of anisotropy and asymmetry in rotating machinery: Theory
5. Use of dFRFs for diagnosis of asymmetric/anisotropic properties in rotor-bearing system
6. An efficient complex modal testing theory for asymmetric rotor systems: Use of unidirectional excitation method
7. Whirling of unsymmetrical rotors: A finite elements approach based on complex co-ordinates