Browse Publications Technical Papers 2000-05-0178

An integrated semi-active suspension for passenger vehicle 2000-05-0178

Suspension plays an important role as a first gate to exterior environment. Especially suspension deals with vibration suppression and handling. But the conventional suspension cannot achieve those two simultaneously. Therefore it necessitates a demand on several kinds of electronic-controlled suspensions. Semi-active suspension has several advantages over the active suspension like low cost, low weight and easy maintenance. But it also has some disadvantages like being unable to do attitude control and small control range. To overcome disadvantages, new types of semi-active suspension is proposed which has two actuators, variable damper and variable air-spring. And an algorithm is presented which can synthesize and coordinate two actuators. To verify the effectiveness of the proposed system, simulations and tests have been conducted.


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