Title:
CONTROLLER
Document Type and Number:
Japanese Patent JP2019075925
Kind Code:
A
Abstract:
To provide structure capable of stably and equally applying a preload (preload torque) in a controller for controlling a drive mechanism which is driven by a plurality of electric motors.SOLUTION: In a controller 1, at least one electric motor 23 of a plurality of electric motors 13, 23 forms a contact part between a drive mechanism 2 and the electric motors 13, 23 by speed control based on speed detection value detected by a speed detection part 15, and preload torque by a preload torque weight part 30 is given in a state in which the contact part is formed when a state without output of the electric motors 13, 23 to an output non-zero state, and the preload torque weight part 30 gives the preload torque.SELECTED DRAWING: Figure 2
Inventors:
IIJIMA KAZUNORI
Application Number:
JP2017201646A
Publication Date:
May 16, 2019
Filing Date:
October 18, 2017
Export Citation:
Assignee:
FANUC LTD
International Classes:
H02P5/54
Domestic Patent References:
| JP2010172054A | 2010-08-05 | |||
| JP2008222334A | 2008-09-25 | |||
| JPH04109890A | 1992-04-10 | |||
| JPH07241093A | 1995-09-12 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hiroaki Hoshino
Tetsuo Shiba
Hiroaki Hoshino