A new energy regenerative and active control of automobile suspension is introduced. It is intended to improve vibration reduction capability using the regenerated energy. A PM (phase modulated) type linear AC (alternating current) motor is used as an energy regenerative and active control suspension. This idea is applied to a quarter-car model and vibration control is performed. Energy regenerative and active control modes can not operate at the same time. A new control law is introduced to switch control modes and to follow the ideal force. The ideal force is calculated using the LQ (linear quadratic) control theory. The PWM (pulse width modulated) switches are driven in proportion to the difference between the ideal control force and the actuator force using the modulation circuit. Experimental setup is made to confirm the proposed technique and the damping capability is tested.
Energy regenerative and active control of automobile suspension
2007
8 Seiten, 21 Bilder, 1 Tabelle, 8 Quellen
Conference paper
English
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