Torque controller for permanent magnet synchronous motor

United States of America Patent

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Nov 6, 2012
Grant Date
Sep 16, 2010
app pub date
Feb 18, 2010
filing date
Mar 12, 2009

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Abstract

When output voltage V₁of an electric power converter reaches a prescribed voltage V₁*_ref, a difference between V₁and V₁*_refis integrated to correct a commanded torque to τo* (τ*=τo*+Δτ).

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Patent Owner(s)

Patent Owner	Address
HITACHI CAR ENGINEERING CO LTD	2477 TAKABA HITACHINAKA-SHI IBARAKI

International Classification(s)

H02P:CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATO....

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Inventor Name	Address	# of filed Patents	Total Citations
Aoyagi, Shigehisa	Hitachi, JP	46	332
Oi, Kentaro	Hitachinaka, JP	3	16
Tobari, Kazuaki	Hitachiota, JP	53	447

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Torque controller for permanent magnet synchronous motor

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United States of America Patent

12708352

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PATENT NO	8305019
APP PUB NO	20100231148A1
SERIAL NO	12708352
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 06, 2012	US,8305019,B2 US8305019B2	GRANTED PATENT AS SECOND PUBLICATION
September 16, 2010	US,20100231148,A1 US20100231148A1	FIRST PUBLISHED PATENT APPLICATION

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12708352

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