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2 April 2015 Optimization of new magnetorheological fluid mount for vibration control of start/stop engine mode
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The technologies related to saving energy/or green vehicles are actively researched. In this tendency, the problem for reducing exhausted gas is in development with various ways. Those efforts are directly related to the operation of engine which emits exhausted gas. The auto start/stop of vehicle engine when a vehicle stop at road is currently as a main stream of vehicle industry resulting in reducing exhausted gas. However, this technology automatically turns on and off engine frequently. This motion induces vehicle engine to transmit vibration of engine which has large displacement, and torsional impact to chassis. These vibrations causing uncomfortable feeling to passengers are transmitted through the steering wheel and the gear knob. In this work, in order to resolve this vibration issue, a new proposed magnetorheological (MR) fluid based engine mount (MR mount in short) is presented. The proposed MR mount is designed to satisfy large damping force in various frequency ranges. It is shown that the proposed mount can have large damping force and large force ratio which is enough to control unwanted vibrations of engine start/stop mode.
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Jye Ung Chung, Do Xuan Phu, and Seung-Bok Choi "Optimization of new magnetorheological fluid mount for vibration control of start/stop engine mode", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 94311O (2 April 2015);

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