Title:
サーボ制御装置
Document Type and Number:
Japanese Patent JP6845197
Kind Code:
B2
Abstract:
The servo controller is provided with a command reception unit and a servo control computation unit. In a measurement mode, the command reception unit asynchronously receives with every command reception period a counter output by the control device with every command update period. The servo controller is further provided with an event detection unit configured to detect the occurrence of an event which entails variation in reception intervals of the counter in the measurement mode, a deviation calculation unit configured to calculate a deviation amount between respective clocks of the control device and the servo controller, based on an occurrence period of the event and the command reception period, in the measurement mode, and a reception period adjustment unit configured to adjust the command reception period based on the deviation amount in an operation mode.
Inventors:
Koichi Eto
Application Number:
JP2018182766A
Publication Date:
March 17, 2021
Filing Date:
September 27, 2018
Export Citation:
Assignee:
FANUC Corporation
International Classes:
G05B11/36
Domestic Patent References:
| JP2000099155A | ||||
| JP2013062928A | ||||
| JP2006350768A | ||||
| JP2008176673A |
Attorney, Agent or Firm:
Aiwa Patent Business Corporation