Title:
MULTI-MOTOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/117222
Kind Code:
A1
Abstract:
The multi-motor system (103) has multiple motor units (106A, 106B). Motor unit (106A) has a motor (116A), a communication circuit (110A) for receiving a command (12A) transmitted from the outside, a control circuit (112A) for generating a control signal for causing the motor to rotate by a control amount specified by the command (12A), and a motor drive circuit (114A) for applying a current to the motor on the basis of the control signal. The command (12A) has control data (C1) indicating the motor control amount in a fixed data length, wherein the control amount is expressed at least by an integer, and position specification data (A1) indicating a decimal point position in the control data. The position specification data (A1) is independently determined for each motor unit.
Inventors:
TABUCHI TETSUYA (JP)
Application Number:
PCT/JP2017/045952
Publication Date:
June 28, 2018
Filing Date:
December 21, 2017
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02P5/46
Domestic Patent References:
WO2016072308A1 | 2016-05-12 |
Foreign References:
JP2005245129A | 2005-09-08 | |||
JP2010266976A | 2010-11-25 | |||
JPH1083215A | 1998-03-31 | |||
US20150012140A1 | 2015-01-08 | |||
JP2003285954A | 2003-10-07 |
Other References:
See also references of EP 3562027A4
Attorney, Agent or Firm:
OKUDA Seiji (JP)
Download PDF:
Previous Patent: MOTOR UNIT AND MULTI-MOTOR SYSTEM
Next Patent: LIGHT DIFFUSING MEMBER AND NATURAL LIGHTING DEVICE
Next Patent: LIGHT DIFFUSING MEMBER AND NATURAL LIGHTING DEVICE