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A regenerative shock absorber is a type of shock absorber that converts parasitic intermittent linear motion and vibration into useful energy, such as electricity. Conventional shock absorbers simply dissipate this energy as heat. When used in an electric vehicle or hybrid electric vehicle the electricity generated by the shock absorber can be diverted to its powertrain to increase battery life. In non-electric vehicles the electricity can be used to power accessories such as air conditioning. Several different systems have been developed recently, though they are still in stages of development and not installed on production vehicles. ==Electromagnetic== A patent for such a device was filed in 2005. This type of system uses a linear motor/generator consisting of a stack of permanent magnets and coils to generate electricity. This system was further developed at Tufts University and has been licensed to Electric Truck, LLC. Preliminary data suggests 20% to 70% of the energy normally lost in the suspension can be recaptured with this system. Maravandi and Moallem, "Regenerative Shock Absorber Using a Two-Leg Motion Conversion Mechanism," IEEE/ASME Transactions on Mechatronics, 2015 Roshan, Y.M.; Maravandi, A.; Moallem, M. "Power Electronics Control of an Energy Regenerative Mechatronic Damper", Industrial Electronics, IEEE Transactions on, On page(s): 3052 - 3060 Volume: 62, Issue: 5, May 2015 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Regenerative shock absorber」の詳細全文を読む スポンサード リンク
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