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Methods for motion control with a coupled suspension systems of automobile have been proposed and their effectiveness has been shown by the previous studies. However, it is not easy to couple hydraulic dampers because it requires designing and manufacturing complex pipelines. Recently, the electromagnetic damper, which is composed of an electric motor, a ball screw, and a nut, was proposed. The electromagnetic damper has high responsiveness, controllability, and energy saving performance, and it has been reported they improved ride comfort and drivability. The electromagnetic damper has various function depending on the electric circuit connected to its electric motor and can be connected to each other more easily than that by hydraulic dampers.