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The power requirement is sufficient for a magnerotheological (MR) shock absorber to exhibit its salient performance.The power supply is not easy to obtain by electric cable, such as remote places.It is important to study the regenerated technology.Due to the problems such as bulky, complex structure, low efficiency of energy harvesting in the self-powered MR shock absorber energy harvesting device in literatures, we proposed a new disk permanent motor energy harvesting system which was driven by the ball screw.It is integrated in the two ended MR shock absorber.