Imbalance Estimation for Speed-Varying Rigid Rotors Using Time-Varying Observer-Reference-Cited by-同舟云学术

Imbalance Estimation for Speed-Varying Rigid Rotors Using Time-Varying Observer

Published:1999-12-12 Issue:4 Volume:123 Page:637-644
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Zhou Shiyu¹,Shi Jianjun¹

Affiliation:

1. Department of Industrial and Operations Engineering, The University of Michigan, Ann Arbor, MI 48109

Abstract

Rigid rotor dynamic model is widely used to model rotating machinery. In this paper, a speed-varying transient rigid rotor model is developed in the state space form. The states of this model are augmented to include imbalance forces and moments. A time-varying observer can then be designed for the augmented system by using canonical transformation. After obtaining an estimation of the imbalance forces and moments as the states of the augmented system, the estimated imbalance can be directly calculated. This estimation method can be used in the active vibration control or active balancing schemes for a rigid rotor.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/123/4/637/5514049/637_1.pdf

Reference22 articles.

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3. Gosiewski, Z. , 1987, “Automatic Balancing of Flexible Rotors, Part 2: Synthesis of System,” J. Sound Vib., 114, No. 1, pp. 103–119.

4. Van De Vegte, J., and Lake, R. T., 1978, “Balancing of Rotating Systems During Operation,” J. Sound Vib., 57, No. 2, pp. 225–235.

5. Van De Vegte, J. , 1981, “Balancing of Flexible Rotors During Operation,” J. Mech. Eng. Sci., 23, No. 5, pp. 257–261.

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