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In this paper, the use of an electromagnetic damper has been demonstrated for control of vibration of a typical road vehicle suspension system. For this purpose, a quarter car model of a conventional passive suspension system has been modified by including an electromagnetic damper. The theoretical frequency response characteristics of this model have been determined and have been correlated with those obtained by the experimental analysis. For this purpose, a laboratory type 2DOF quarter car model with an electromagnetic damper has been fabricated. The electromagnetic damper used in the experimental analysis has been developed by using a combination of an electromagnet and the permanent magnet keeping an air gap between them. Experimental frequency response characteristics have been obtained using an experimental test set up developed for the same.

In this paper, the use of an electromagnetic damper has been demonstrated for control of vibration of a typical road vehicle suspension system. A quarter car model of a conventional passive suspension system has been modified by including an electromagnetic damper. The theoretical frequency response characteristics of this model have been determined and have been correlated with those obtained by the experimental analysis. For this purpose, a laboratory type 2DOF quarter car model with an electromagnetic damper has been fabricated. The electromagnetic damper used in the experimental analysis has been developed by using a combination of an electromagnet and the permanent magnet keeping an air gap between them. Experimental frequency response characteristics have been obtained using an experimental test set up developed for the same