Study of Dynamic Characteristics of Slow‐Changing Process | Zendy

Yig Li | Zendy; Ling Zheng | Zendy; Bangchun Wen | Zendy

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Study of Dynamic Characteristics of Slow‐Changing Process

Author(s) -

Yig Li,

Ling Zheng,

Bangchun Wen

Publication year - 2000

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2000/350275

Subject(s) - stiffness , vibration , process (computing) , nonlinear system , amplitude , control theory (sociology) , piecewise , piecewise linear function , basis (linear algebra) , deformation (meteorology) , mechanical system , computer science , structural engineering , engineering , physics , mathematics , acoustics , mathematical analysis , mechanical engineering , geometry , artificial intelligence , control (management) , quantum mechanics , meteorology , operating system

A vibration system with slow-changing parameters is a typical nonlinear system. Such systems often occur in the working and controlled process of some intelligent structures when vibration and deformation exist synchronously. In this paper, a system with slow-changing stiffness, damping and mass is analyzed in an intelligent structure. The relationship between the amplitude and the frequency of the system is studied, and its dynamic characteristic is also discussed. Finally, a piecewise linear method is developed on the basis of the asymptotic method. The simulation and the experiment show that a suitable slow-changing stiffness can restrain the amplitude of the system when the system passes through the resonant region

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