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Patent Searching and Data


Title:
PLANAR MOTOR AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2019/208144
Kind Code:
A1
Abstract:
This planar motor is provided with a drive circuit (40) including a DC power supply (44) for supplying power to a plurality of coils (33). The drive circuit (40) is provided with: first wires (R1-R4) each electrically connected to a coil group belonging to the same row among the plurality of coils (33); and first switching elements (s1-s4) for turning on and off the electrical connections between the first wires (R1-R4) and the DC power supply (44). The drive circuit (40) is provided with: second wires (CA-CG) each electrically connected to a coil group belonging to the same column among the plurality of coils (33); and second switching elements (SA-SG) for turning on and off the electrical connections between the second wires (CA-CG) and the DC power supply (44). The drive circuit (40) is provided with a control unit (43) that repeats, at a predetermined period, control for turning on the first switching elements (s1-s4) in sequence one by one.

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Inventors:
WAKABAYASHI TOSHIKAZU
AKIYAMA TOSHIHIRO
NISHIMORI TAISUKE
AOKI SAKI
ISHIDA TETSUO
Application Number:
PCT/JP2019/014965
Publication Date:
October 31, 2019
Filing Date:
April 04, 2019
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K41/02; H02K41/03; H02P25/064
Foreign References:
JP2004117052A2004-04-15
JPH1169760A1999-03-09
JP2016163480A2016-09-05
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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