Fundamental Analysis on the Intentional Use of Nonlinear Stiffness in Some Dynamical Systems

  • Gianluca GattiEmail author
  • Michael J. Brennan
  • Bin Tang
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 68)


Although nonlinearity in dynamical systems have been of concern for many years due to its unpredictable effects, researchers and engineers have recently begun to incorporate it into mechanical and mechatronic devices to improve their performance, make them compact and reduce their weight. This paper presents some applications where geometrical nonlinear stiffness is adopted to beneficial use. Vibration energy harvesters, isolators and micro devices for flight are considered, and the advantages of incorporating nonlinearity is emphasized. A fundamental investigation is conducted on a simple model of nonlinear oscillator consisting of linear springs specifically arranged.


Stiffness nonlinearity Nonlinear vibration Energy harvesting Vibration isolation 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.University of CalabriaRendeItaly
  2. 2.Universidade Estadual PaulistaIlha SolteiraBrazil
  3. 3.Dalian University of TechnologyDalianChina

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