Sugeno Model Based Control for Semi active Vehicle Suspension

  • Authors:

  • Francesco Voci;Fabio Massimo Frattale Mascioli

  • Affiliations:

  • InfoCom Dept., Faculty of Engineering, “La Sapienza” University of Rome, Via Eudossiana, 18 --00184 Rome Italy, {voci, mascioli}@infocom.ing.uniroma1.it;InfoCom Dept., Faculty of Engineering, “La Sapienza” University of Rome, Via Eudossiana, 18 --00184 Rome Italy, {voci, mascioli}@infocom.ing.uniroma1.it

  • Venue:
  • Proceedings of the 2009 conference on New Directions in Neural Networks: 18th Italian Workshop on Neural Networks: WIRN 2008
  • Year:
  • 2009

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Abstract

In this paper a fuzzy Sugeno rule based controller is used to manage a semi-active suspension of 1/4 vehicle model. Our semi-active suspensions have the characteristic to change the damping constant in order to reduce vertical oscillation of the vehicle, to restrain the shell vehicle acceleration and consequently to be more comfortable for passengers. On the other hand, if no control is present, the suspension works in passive mode, i.e. without damping parameters changing. The inputs of our fuzzy controller, three in total, are the dynamic wheel load described by five membership functions, its derivative and the vertical acceleration both described by three membership functions. By comparing the performances of the suspension with and without control, the Sugeno based model controller results in a more comfortable and safe system.