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A study on the Reduction of Crankshaft Rotational Vibration velocity by using a Motor-Generator

✍ Scribed by Yuki Nakajima; Masaaki Uchida; Hiroaki Ogane; Yasuhiko Kitajima

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 593 KB
Volume: 21
Category: Article
ISSN: 0389-4304
DOI: 10.1016/s0389-4304(00)00045-x

No coin nor oath required. For personal study only.

✦ Synopsis

A study was made of the possibility of reducing engine speed variation and engine block roll vibration by using a motor connected directly to the engine crankshaft. Motor torque having the opposite phase of engine torque was applied to reduce vibration. It was found that motor torque which showed a rectangular waveform change in synchronization with the crank angle allowed the smallest motor size. The control technique that minimizes energy losses was also con"rmed.

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