Electrified vehicle system and control method of controlling electrified vehicle

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United States of America Patent

PATENT NO 11511629
APP PUB NO 20210031635A1
SERIAL NO

16921298

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrified vehicle system includes an electric motor coupled to a drive wheel via a plurality of power transmission components and a control device. The control device is configured to act as: a feedforward control section configured based on a transfer function simulating vibration transmission characteristics of a power transmission system, receiving as an input a required torque of the electric motor from a driver, and outputting a base command torque of the electric motor; a timing estimation section estimating, based on information on the power transmission system, a timing at which a backlash between the plurality of power transmission components is eliminated; and a torque correction section applying, to the base command torque, a correction torque for reducing a vibration generated in the power transmission system due to elimination of the backlash, in response to an arrival of the timing estimated by the timing estimation section.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHATOYOTA-SHI AICHI 471-8571

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asaura, Shinya Numazu, JP 20 62
Oide, Shunsaku Susono, JP 1 0
Takahashi, Yuya Mishima, JP 52 102
Tsukano, Fusahiro Susono, JP 20 57
Yamazaki, Tomohiro Mishima, JP 101 595

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