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On Dynamics of an Electromechanical System Supported by Cylindrical Helical Spring Damped by an Impact Damper

  • Marek Lampart
  • Jaroslav Zapoměl
Part of the Emergence, Complexity and Computation book series (ECC, volume 14)

Abstract

This paper focuses on vibrations attenuation of an electromechanical system flexibly coupled with a baseplate by cylindrical helical springs and damped by an element that can work either in inertia or impact regime. The model is constructed with three degrees of freedom in the mechanical oscillating part, two translational and one rotational. The system movement is described by three mutually coupled second-order ordinary differential equations. The nonlinearities that significantly influence behavior of the system are impacts if the impact regime is set on. Several important results were obtained by means of computational simulations. Character of the system motion and amplitude of its oscillations strongly depend on the width of clearances between the damping element and the rotor frame. The damping element operating in inertia regime must have precisely chosen mass and reduces efficiently the oscillations amplitude only in a narrow frequency interval. In contrast, the damping device working in impact regime attenuates vibrations of the rotor frame in a wide range of the excitation frequency and the system is showing periodic, quasi periodic and chaotic movements.

Keywords

electromechanical system inertia damper impact damper nonlinear stiffness impacts vibration attenuation 

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References

  1. 1.
    Chaterjee, A.K., Mallik, A., Ghosh, A.: Impact dampers for controlling self-excited oscillations. Journal of Sound and Vibration 193, 1003–1014 (1995)CrossRefGoogle Scholar
  2. 2.
    Chaterjee, A.K., Mallik, A., Ghosh, A.: On impact dampers for non-linear vibration systems. Journal of Sound and Vibration 187, 403–420 (1995)CrossRefGoogle Scholar
  3. 3.
    Lampart, M., Zapoměl, J.: Dynamics of the electromechanical system with impact element. Journal of Sound and Vibration 332, 701–713 (2013)CrossRefGoogle Scholar
  4. 4.
    Lampart, M., Zapoměl, J.: Dynamical properties of the electromechanical system damped by impact element with soft stops. International Journal of Applied Mechanics 6, 1450016 (2014)CrossRefGoogle Scholar
  5. 5.
    Lampart, M., Zapoměl, J.: Dynamics and efficiency of an impact damper. In: Proceedings of the NOSTRADAMUS 2014 Conference (to appear, 2014)Google Scholar
  6. 6.
    Luo, A.C.J., O’ Connor, D.: Periodic motions with impacting chatter and stick in a gear transmission system. ASME Journal of Vibration and Acoustics 131 (2009)Google Scholar
  7. 7.
    de Souza, S.L.T., Caldas, I.L., Balthazar, J.M., Brasil, R.M.L.R.F.: Analysis of regular and irregular dynamics of a non ideal gear rattling problem. Journal of Brayilian Society of Mechanical Sciencies 24, 111–114 (2002)Google Scholar
  8. 8.
    de Souza, S.L.T., Caldas, I.L., Viana, R.L., Balthazar, J.M., Brasil, R.M.L.R.F.: Impact dampers for controlling chaos in systems with limited power supply. Journal of Sound and Vibration 279, 955–967 (2005)CrossRefGoogle Scholar
  9. 9.
    Půst, L.: Electro-mechanical impact system excited by a source of limited power. Engineering Mechanics 6, 391–400 (2008)Google Scholar
  10. 10.
    Warminski, J., Balthazar, J.M., Brasil, R.M.L.R.F.: Vibrations of a non-ideal parametrically and self-excited model. Journal of Sound and Vibration 245, 363–374 (2001)CrossRefzbMATHGoogle Scholar
  11. 11.
    Zapoměl, J., Fox, C.H.J., Malenovský, E.: Numerical investigation of a rotor system with disc-housing impact. Journal of Sound and Vibration 243, 215–240 (2001)CrossRefGoogle Scholar
  12. 12.
    Zukovic, M., Cveticanim, L.: Chaos in non-ideal mechanical system with clearance. Journal of Vibration and Control 8, 1229–1246 (2009)CrossRefGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Marek Lampart
    • 1
    • 2
  • Jaroslav Zapoměl
    • 1
    • 2
  1. 1.Department of Applied Mathematics & IT4InnovationsVŠB - Technical University of OstravaOstravaCzech Republic
  2. 2.Department of MechanicsVŠB - Technical University of OstravaOstravaCzech Republic

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