A novel decoupled Multi-Input-Multi-Output Model Free Control strategy is presented in
this paper to improve the performance of an active suspension system implemented on a
half car model. To damp vibrations generated by road excitation, an algebraic online compensator
was integrated in the structure of a classical PID controller to avoid the impact of
unpredictable disturbances. The key element of the proposed technique is a non-asymptotic
observer that can avoid the use of statistical conventional techniques. Furthermore, the advantage
of easy implementation is achieved where only two accelerometers are sufficient
and adequate. A comparison with classical PID and LQR is provided to demonstrate the
improvement made by the proposed scheme.
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