Invention Grant
US09360851B2 Motor control apparatus of linear motor, motor control method of linear motor, and control program of linear motor 有权
直线电机电机控制装置,线性电机电机控制方式,直线电机控制程序

  • Patent Title: Motor control apparatus of linear motor, motor control method of linear motor, and control program of linear motor
  • Patent Title (中): 直线电机电机控制装置,线性电机电机控制方式,直线电机控制程序
  • Application No.: US13993005
    Application Date: 2011-12-20
  • Publication No.: US09360851B2
    Publication Date: 2016-06-07
  • Inventor: Shigeru Futami
  • Applicant: Shigeru Futami
  • Applicant Address: JP Tokyo
  • Assignee: THK CO., LTD.
  • Current Assignee: THK CO., LTD.
  • Current Assignee Address: JP Tokyo
  • Agency: Westerman, Hattori, Daniels & Adrian, LLP
  • Priority: JP2010-293273 20101228
  • International Application: PCT/JP2011/079476 WO 20111220
  • International Announcement: WO2012/090781 WO 20120705
  • Main IPC: G05B19/02
  • IPC: G05B19/02 H02P25/06 G05B19/18 H02P23/00
Motor control apparatus of linear motor, motor control method of linear motor, and control program of linear motor
Abstract:
A motor control apparatus is provided, including: a command generation unit that generates an acceleration pattern time-sequentially indicating an acceleration command value to be used during movement of a target object to a target position using a motor, makes a change to the generated acceleration pattern to prolong a period of reducing a driving speed of the motor in accordance with response characteristics of the motor, and outputs a position command value from the changed acceleration pattern; and a control unit that drives the motor using a proportional control with respect to a position deviation between the position command value output from the command generation unit and the target position of the target object, and changes a proportional control gain in the proportional control to a value larger than a current value when the target object reaches the vicinity of the target position.
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