US 11,892,819 B2
Control device, control system, control method, and computer-readable storage medium
Yuki Ueyama, Kyoto (JP); Takashi Fujii, Kyoto (JP); Yasuaki Abe, Takatsuki (JP); Kazuhiko Imatake, Osaka (JP); and Nobuyuki Sakatani, Otsu (JP)
Assigned to OMRON Corporation, Kyoto (JP)
Appl. No. 16/970,620
Filed by OMRON Corporation, Kyoto (JP)
PCT Filed Feb. 21, 2019, PCT No. PCT/JP2019/006595
§ 371(c)(1), (2) Date Aug. 17, 2020,
PCT Pub. No. WO2019/176496, PCT Pub. Date Sep. 19, 2019.
Claims priority of application No. 2018-044282 (JP), filed on Mar. 12, 2018.
Prior Publication US 2021/0089005 A1, Mar. 25, 2021
Int. Cl. G05B 19/00 (2006.01); G05B 19/4155 (2006.01); G06N 20/00 (2019.01); G05B 13/02 (2006.01)
CPC G05B 19/4155 (2013.01) [G05B 13/0265 (2013.01); G06N 20/00 (2019.01); G05B 2219/42018 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A control device, comprising:
a control part that comprises a controller for acquiring a current control amount of an operation machine as new input data and outputting new output data with respect to the new input data and is configured to use the controller to control the operation machine;
an acquisition part that is configured to acquire attribute information comprising statistics of previously obtained input data and output data; and
an evaluation part that is configured to:
compare the new input data with the statistic of the previously obtained input data to obtain a first comparison result and compare the new output data with the statistic of the previously obtained output data to obtain a second comparison result; and
evaluate, based on at least one of the first comparison result and the second comparison result, to what extent at least one of the new input data and the new output data deviates from the statistics,
wherein the control part uses the new output data output from the controller to control the operation machine in response to the evaluation part evaluating that the new input data and the new output data do not deviate from the statistics,
the control part uses an auxiliary controller different from the controller without using the new output data to control the operation machine in response to the evaluation part evaluating that the new input data and the new output data deviate from the statistics.