Title:
MOTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/245861
Kind Code:
A1
Abstract:
The motor device according to the present specification is provided with a motor (1) having a plurality of components including a stator (5) and a rotor (8) and a control device (19) for controlling the motor (1). The motor (1) is provided with temperature sensors (20, 21) for detecting the heat transfer amounts and transfer directions of the constituent components thereof. The control device (19) is provided with a temperature calculation unit (22) for calculating, on the basis of a thermal circuit network, the temperatures of the components from thermal resistances and thermal capacities which are given to the components. The temperature calculation unit (22) corrects, on the basis of the measured values of the thermal transfer amounts and transfer directions obtained by the temperature sensors (20, 21), the thermal resistances and thermal capacities of the components obtained on the basis of the thermal circuit network and estimates the temperature of each of the components during the driving of the motor (1).
Inventors:
KATO KENJI (JP)
ARITA HIDEAKI (JP)
KOMATSU TAIGA (JP)
HIDAKA YUKI (JP)
FUJIKURA SHOHEI (JP)
HIGASHINO HIROYUKI (JP)
ARITA HIDEAKI (JP)
KOMATSU TAIGA (JP)
HIDAKA YUKI (JP)
FUJIKURA SHOHEI (JP)
HIGASHINO HIROYUKI (JP)
Application Number:
PCT/JP2019/021924
Publication Date:
December 10, 2020
Filing Date:
June 03, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P29/00
Foreign References:
| JP4862512B2 | 2012-01-25 | |||
| JP2016082698A | 2016-05-16 | |||
| JP2006050746A | 2006-02-16 | |||
| JP2019029392A | 2019-02-21 | |||
| JP2014036475A | 2014-02-24 |
Attorney, Agent or Firm:
MURAKAMI Keigo et al. (JP)
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