1. Optimal control - linear quadratic methods;Anderson,1990
2. Active suspensions forrailway vehicles, - An avoidable luxury or an inevitable consequence?;Goodall,1990
3. Some optimal control techniques applicable to suspension system design;Hedrick;ASME Paper No 73-ICT-55,1973
4. Two contrasting versions of the optimal active vehicle suspensions;Karnopp;Trans. ASME, J. Dyn. Sys. Meas. Cont.,1986
5. An active suspensions with optimal linear state feedback;Thompson;Vehicle System Dynamics,1976