Title:
COIL SWITCHING SYSTEM FOR VEHICLE MOTOR, CONTROL DEVICE, METHOD FOR CONTROLLING VEHICLE MOTOR, AND COMPUTER PROGRAM
Document Type and Number:
WIPO Patent Application WO/2024/075318
Kind Code:
A1
Abstract:
This coil switching system comprises a drive motor that drives a wheel of a vehicle, a control device that controls the drive motor, a power converter that converts DC power outputted from a battery to AC power and supplies the AC power to the drive motor, and a coil switching device that switches a connection state of a plurality coils in the drive motor between a first connection state and a second connection state, the control device including a torque control unit that changes the output torque of the drive motor by changing the alternating electric current outputted from the power converter at a prescribed speed change timing of the vehicle, and a switching control unit that causes the coil switching device to switch from the first connection state to the second connection state after the alternating electric current has changed.
Inventors:
SASAKURA HIROKI (JP)
TSUDA MASAKI (JP)
TSUDA MASAKI (JP)
Application Number:
PCT/JP2023/000923
Publication Date:
April 11, 2024
Filing Date:
January 16, 2023
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
AUTONETWORKS TECHNOLOGIES LTD (JP)
International Classes:
B60L15/20; B60L9/18; B60L50/60; B60L58/10; H02P25/18
Domestic Patent References:
| WO2021210129A1 | 2021-10-21 |
Foreign References:
| JPH06253594A | 1994-09-09 | |||
| JPH07170610A | 1995-07-04 | |||
| JP2013062888A | 2013-04-04 | |||
| JP2003111492A | 2003-04-11 | |||
| JP2010200404A | 2010-09-09 | |||
| JP2018166386A | 2018-10-25 | |||
| JPS6439289A | 1989-02-09 | |||
| JP2010206926A | 2010-09-16 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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