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Acta Mechanica Sinica

, Volume 20, Issue 6, pp 661–667 | Cite as

Construction of polynomial matrix using block coefficient matrix representation auto-regressive moving average model for actively controlled structures

  • Li Chunxiang
  • Zhou Dai
Article
  • 40 Downloads

Abstract

The polynomial matrix using the block coefficient matrix representation auto-regressive moving average (referred to as the PM-ARMA) model is constructed in this paper for actively controlled multi-degree-of-freedom (MDOF) structures with time-delay through equivalently transforming the preliminary state space realization into the new state space realization. The PM-ARMA model is a more general formulation with respect to the polynomial using the coefficient representation auto-regressive moving average (ARMA) model due to its capability to cope with actively controlled structures with any given structural degrees of freedom and any chosen number of sensors and actuators. (The sensors and actuators are required to maintain the identical number.) under any dimensional stationary stochastic excitation.

Key Words

actively controlled MDOF structures stationary stochastic processes polynomial matrix auto-regressive moving average 

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Copyright information

© Chinese Society of Theoretical and Applied Mechanics 2004

Authors and Affiliations

  • Li Chunxiang
    • 1
  • Zhou Dai
    • 1
  1. 1.Department of Civil EngineeringShanghai Jiaotong UniversityShanghaiChina

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