Controller and control method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12163847
APP PUB NO 20220299377A1
SERIAL NO

17565625

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Abstract

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To provide a controller and a control method which can estimate a temperature of the temperature estimation with good accuracy without depending on detection information of other sensors other than the temperature sensor, even if the temperature sensor is attached to a position away from the temperature estimation point. A controller is provided with a sensor temperature detector that detects a sensor temperature based on an output signal of a temperature sensor attached to a temperature estimation object; and a temperature estimator that calculates an estimated temperature of the temperature estimation point, based on the current detection value of sensor temperature or the current correction value of sensor temperature, the detection value of sensor temperature before the step time or the correction value of sensor temperature before the step time, and a thermal time constant.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATIONCHIYODA-KU TOKYO 100-8310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Kazuya Tokyo, JP 116 521
Hino, Tatsuro Tokyo, JP 43 124
Kumagai, Kengo Tokyo, JP 18 27

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