Transactions of Society of Automotive Engineers of Japan
Online ISSN : 1883-0811
Print ISSN : 0287-8321
ISSN-L : 0287-8321
Research Paper
Improvement of Ride Comfort by Unsprung Negative Skyhook Damper Control Using In-Wheel Motors
Etsuo KatsuyamaAyana Omae
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2017 Volume 48 Issue 2 Pages 349-354

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Abstract
Vehicles equipped with in-wheel motors (IWMs) are capable of independent control of the driving force at each wheel. These vehicles can also control the motion of the sprung mass by driving force distribution. However, one disadvantage of IWMs is an increase in unsprung mass which causes uncomfortable ride. This research aimed to improve ride comfort through driving force control. As a result, a method was derived by analysis that reduced uncomfortable vibration by a control that applies unsprung velocity in the direction that enhances that velocity. Then the improvement effect on ride comfort and stability by this control was verified.
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© 2017 Society of Automotive Engineers of Japan, Inc.
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