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Unformatted text preview: % Eqns: vdot= -(b/m)*v +(k/m)*delta -g +(b/m)*Ygdot % deltadot= -v +Ygdot % Variables: x(1)= v, car motion upward % x(2)= delta, spring compression from free length % Ygdot= upward velocity of tire on road % g= accel of gravity % Parameters: m, sprung mass (qtr car) % k, suspension spring stiffness % b, damper rate % ts= [0.0:0.05:5]; xo= [ 0; 0 ]; % [t,x] = ode23( 'QtrCarEqs_1' ,ts,xo ); % v= x(:,1); delta= x(:,2); plot (t,v, 'k-' ,t,delta, 'k--' ); grid; title( 'Quarter-car response, flat ground' ); xlabel( 'time (s)' ); ylabel( 'v (m/s) and delta (m)' ); %...
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This note was uploaded on 07/25/2008 for the course ME 457 taught by Professor Rosenberg during the Spring '07 term at Michigan State University.
- Spring '07