The robust control of an advanced suspension system of vehicles, the CRONE suspension, based on non-integer derivation is dealt with. The CRONE suspension results from a traditional suspension model whose spring and damper are replaced by a mechanical and hydropneumatic system defined by a non-integer order force-displacement transmittance. This system is called the CRONE suspension because of the link with the second-generation CRONE control, i.e., the vertical template. That is why the principle of the second-generation CRONE control is used to synthesize the CRONE suspension's transmittance. The suspension parameters are determined from a constrained optimization of a performance criterion. A two-degree-of-freedom quarter-car model is used to evaluate performance. The frequency and tune responses, for various values of the vehicle load, reveal a great robustness of the degree of stability through the constancy of the resonance ratio in the frequency domain, and of the damping ratio in the time domain.
The CRONE suspension
Entwurf einer robusten Regelung für das Radaufhängungssystem CRONE
1996
8 Seiten, 11 Bilder, 17 Quellen
Aufsatz (Konferenz)
Englisch
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