By the incorporation of frequency-shaping into the linear quadratic methods used in active suspension design it is possible to achieve improvements in both body frequency response and road-holding. The use of a PID filter for this purpose also leads to robustness of the system to disturbance forces. Zero steady-state deflections are achieved for applied body loads by the integral action with excellent attenuation of the transient response. The resulting system consists of a hydraulic actuator in parallel with a body spring of arbitrary stiffness and is optimal with equivalent full state feedback.
Optimal Active Suspension Design Using a Frequency-shaping PID Filter
Vehicle System Dynamics ; 21 , 1 ; 19-37
01.01.1992
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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