MIMO intelligent-PID controller design for half car system based on model free control technique
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Laboratory of Mechanics, Modelling and Production (LA2MP), National School of Engineering of Sfax, University of Sfax, Tunisia
Hacettepe University Beytepe, Department of Mechanical Engineering, Ankara, Turkey
Submission date: 2019-11-19
Final revision date: 2020-01-24
Acceptance date: 2020-03-24
Publication date: 2020-10-15
Corresponding author
Maroua Haddar   

Department. of Mechanical Engineering, LA2MP, Tunisia
Journal of Theoretical and Applied Mechanics 2020;58(4):953-969
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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