Title:
ファンモータ制御装置
Document Type and Number:
Japanese Patent JP6557205
Kind Code:
B2
Abstract:
A fan motor control device configured to control driving of a fan motor for cooling a CPU includes: a rotational speed sensor configured to detect a rotational speed of the fan motor; and an abnormality decision control unit configured to execute an abnormality decision mode of repeatedly switching between on and off of power supply to the fan motor during an operation of the CPU, and determine abnormality of the fan motor based on the rotational speed of the fan motor during the execution of the abnormality decision mode.
Inventors:
Ryosuke Izumi
Application Number:
JP2016237200A
Publication Date:
August 07, 2019
Filing Date:
December 07, 2016
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H02P29/024
Domestic Patent References:
| JP2015108468A |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi