This article illustrates the modeling and design of electromechanical shock absorbers for automotive applications. Relative to the commonly used hydraulic shock absorbers, electromechanical ones are based on the use of linear or rotative electric motors. If electric motor is of the DC-brushless type, the shock absorber can be devised by shunting its electric terminals with a resistive load. The damping force can be modified by acting on the added resistance. An integrated design procedure of the electrical and mechanical parameters is presented in the article. The dynamic performance that can be obtained by a vehicle with electromechanical dampers is verified on a quarter car model.
Volume Subject Area:
Automotive Systems
Topics:
Design,
Shock absorbers,
Electric motors,
Automotive industry,
Dampers,
Damping,
Modeling,
Stress,
Vehicles,
Water hammer
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Copyright © 2006
by ASME
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