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AssigneeJfe Steel Corporation
InventorsHiroshi TSUJI, Takahiro SAKAI
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A method of controlling hot finish rolling, in cooperative control of the hot finish rolling, by controlling a rolling state using an evaluation function in which weight gains are set for each of a plurality of state variables and a plurality of manipulated variables and obtaining control gains that minimize the evaluation function, includes: a step of normalizing the weight gains by a normalization unit; a step of performing, by a comparative evaluation unit, comparative evaluation on the weight gains of the state variables after normalization and performing comparative evaluation on the weight gains of the manipulated variables after normalization; and a step of adjusting, by a gain adjustment unit based on a result of the comparative evaluation, at least one of: the weight gains of the state variables; and the weight gains of the manipulated variables.
A method of controlling hot finish rolling, in cooperative control of the hot finish rolling, by controlling a rolling state using an evaluation function in which weight gains are set for each of a plurality of state variables and a plurality of manipulated variables and obtaining control gains that minimize the evaluation function, the method comprising:
A device for controlling hot finish rolling, in cooperative control of the hot finish rolling, by controlling a rolling state using an evaluation function in which weight gains are set for each of a plurality of state variables and a plurality of manipulated variables and obtaining control gains that minimize the evaluation function, the device comprising:
Dependencies are inferred from the claim text.