Stability of non-conservative linear discrete gyroscopic systems

S. M. Yang, C. D. Mote

研究成果: Article同行評審

24 引文 斯高帕斯(Scopus)

摘要

A criterion guaranteeing asymptotic stability of non-conservative, linear gyroscopic systems is derived. The criterion applies to linear systems with internal damping, external damping, and circulatory forces as well as systems with negative definite stiffness matrix. A sufficient condition of flutter instability is also presented. The condition is shown applicable to both conservative and non-conservative gyroscopic systems. An application of the stability criteria explains why internal damping destabilizes a rotating system when operated above critical speed. It is also shown that the critical speed of a gyroscopic system is not an absolute stability measure; the critical speed depends on the frame of reference.

原文English
頁(從 - 到)453-464
頁數12
期刊Journal of Sound and Vibration
147
發行號3
DOIs
出版狀態Published - 1991 6月 22

All Science Journal Classification (ASJC) codes

  • 凝聚態物理學
  • 材料力學
  • 聲學與超音波
  • 機械工業

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