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Patent Searching and Data


Title:
ELECTRIC VEHICLE CONTROL DEVICE, ELECTRIC VEHICLE CONTROL METHOD, ELECTRIC VEHICLE CONTROL PROGRAM, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/049344
Kind Code:
A1
Abstract:
An electric vehicle control device 1 is provided with: a reception unit 11 that receives a plurality of signals outputted from a plurality of sensors 4u, 4v, 4w provided correspondingly to respective phases of a motor 3 of an electric vehicle 100; a discerning unit 12 that discerns a rotor stage on the basis of a combination of the signals received by the reception unit 11; a determination unit 13 that determines whether a hunting state has occurred on the basis of the rotor stage; a calculation unit 14 that, when occurrence of the hunting state is determined, calculates the instantaneous rotational speed of the motor 3 on the basis of the time elapsed after the determination unit 13 has determined that the hunting state has occurred; and a drive unit 15 that drives the motor 3 on the basis of the instantaneous rotational speed calculated by the calculation unit 14.

Inventors:
MEGURO TAKAYUKI (JP)
INOGUCHI YUTA (JP)
Application Number:
PCT/JP2017/032582
Publication Date:
March 14, 2019
Filing Date:
September 08, 2017
Export Citation:
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Assignee:
SHINDENGEN ELECTRIC MFG (JP)
International Classes:
B60L15/20; H02P6/06; H02P29/00
Foreign References:
JP2001119803A2001-04-27
JP2013005552A2013-01-07
JP2015192456A2015-11-02
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
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