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   Optimization of nonlinear quarter car suspension–seat–driver model  
   
نویسنده nagarkar m.p. ,vikhe patil g.j. ,zaware patil r.n.
منبع journal of advanced research - 2016 - دوره : 7 - شماره : 6 - صفحه:991 -1007
چکیده    In this paper a nonlinear quarter car suspension–seat–driver model was implemented for optimum design. a nonlinear quarter car model comprising of quadratic tyre stiffness and cubic stiffness in suspension spring,frame,and seat cushion with 4 degrees of freedom (dof) driver model was presented for optimization and analysis. suspension system was aimed to optimize the comfort and health criterion comprising of vibration dose value (vdv) at head,frequency weighted rms head acceleration,crest factor,amplitude ratio of head rms acceleration to seat rms acceleration and amplitude ratio of upper torso rms acceleration to seat rms acceleration along with stability criterion comprising of suspension space deflection and dynamic tyre force. iso 2631-1 standard was adopted to assess ride and health criterions. suspension spring stiffness and damping and seat cushion stiffness and damping are the design variables. non-dominated sort genetic algorithm (nsga-ii) and multi-objective particle swarm optimization – crowding distance (mopso-cd) algorithm are implemented for optimization. simulation result shows that optimum design improves ride comfort and health criterion over classical design variables. © 2016
کلیدواژه Cubic stiffness in suspension spring; Genetic algorithm; MOSPO-CD; Multi-objective optimization; Nonlinear quarter car; Quadratic tyre stiffness
آدرس scsm college of engineering,ahmednagar,ms,india,research department of mechanical engineering,avcoe,sangamner, India, avcoe,sangamner 422605,dist – ahmednagar, India, pdvvp coe,vilad ghat,ahmednagar, India
 
     
   
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