Invention Grant
US08816617B2 Three-phase motor controller, three-phase motor system, three-phase motor control method and program
有权
三相电机控制器,三相电机系统,三相电机控制方式和程序
- Patent Title: Three-phase motor controller, three-phase motor system, three-phase motor control method and program
- Patent Title (中): 三相电机控制器,三相电机系统,三相电机控制方式和程序
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Application No.: US13255146Application Date: 2010-03-09
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Publication No.: US08816617B2Publication Date: 2014-08-26
- Inventor: Yoshiho Yanagita , Kazuhiko Aoki
- Applicant: Yoshiho Yanagita , Kazuhiko Aoki
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2009-055299 20090309; JP2009-258996 20091112
- International Application: PCT/JP2010/053848 WO 20100309
- International Announcement: WO2010/104059 WO 20100916
- Main IPC: H02P21/00
- IPC: H02P21/00

Abstract:
A three-phase motor control apparatus 4 controlling a driver which drives a three-phase motor includes: a desired rotation angle generation section 5 which generates a desired rotation angle; a rotation angle detector 2 which detects a detected rotation angle which is the rotation angle of said three phase motor; a feedback controller 6 which generates a q-axis command reference value which controls the q-axis voltage or the q-axis current of the three-phase motor 1 in response to the desired rotation angle and the detected rotation angle; a drive torque correction section and an adder 10 which generate a q-axis command value by correcting the q-axis command reference value; and a two-phase to three-phase transformation section 8 which generates a control signal which controls the driver circuit 3 which drives the three-phase motor in response to the q-axis command. The drive torque correction section 7 includes an angle look-up table 11 which contains elements respectively associated with angle ranges defined for the rotation angle of the three-phase motor, and selects any of the elements in response to the detected rotation angle. The q-axis command is generated by correcting the q-axis command reference value based on the value of the selected element.
Public/Granted literature
- US20110316458A1 THREE-PHASE MOTOR CONTROLLER, THREE-PHASE MOTOR SYSTEM, THREE-PHASE MOTOR CONTROL METHOD AND PROGRAM Public/Granted day:2011-12-29
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