Patent ID: 11960267
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Control (Instruments)
Classification: CPC G  B | IPC B  G

Claim 8:
9. A control method comprising:
acquiring a measurement value measured regarding control target equipment;
outputting an operation amount of the control target equipment according to the measurement value by at least one of feedback control or feed-forward control in a first control phase;
outputting an operation amount of the control target equipment according to the measurement value using a model learnt by using learning data in a second control phase; and
performing switching between the first control phase and the second control phase by which the control target equipment is controlled,
wherein the performing switching is performed according to a difference between the measurement value and a target value, and
wherein the performing switching is performed by switching from control in accordance to the first control phase to control in accordance to the second control phase in response to a state occurring multiple times where the difference between the measurement value and the target value is higher than a reference value within a reference time window.