CONTROL SYSTEM AND CONTROL METHOD
To provide technology that improves control accuracy.SOLUTION: A control system includes: a first control device that performs FF control on a controlled object using a first control output obtained by multiplying a factor value of a fluctuation factor by a control gain; a second control device that...
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Zusammenfassung: | To provide technology that improves control accuracy.SOLUTION: A control system includes: a first control device that performs FF control on a controlled object using a first control output obtained by multiplying a factor value of a fluctuation factor by a control gain; a second control device that calculates a second control output by multiplying the factor value by a control gain, calculates a third control output by integrating a deviation between an actual value and a target value of state quantity, and performs FF control using the second control output and integral control using the third control output on the controlled object; a selection device that selects which control device should perform control on the controlled object; an unobservable variation factor prediction device that calculates an estimated factor value from the state quantity; and a control device switching determination device that determines which control device to select based on the estimated factor value.SELECTED DRAWING: Figure 11
【課題】制御の精度を向上する技術を提供する。【解決手段】制御システムが、変動要因の要因値に制御ゲインを乗算した第1制御出力を用いて制御対象に対するFF制御を行う第1制御装置と、要因値に制御ゲインを乗算して第2制御出力を算出し、状態量の実績値と目標値との偏差を積分して第3制御出力を算出し、制御対象に対して、第2制御出力を用いたFF制御と、第3制御出力を用いた積分制御とを行う第2制御装置と、制御対象に対する制御をどちらの制御装置に実行させるか選択する選択装置と、状態量から推定要因値を算出する不可観測変動要因予測装置と、推定要因値に基づいてどちらの制御装置を選択するか判定する制御装置切替判定装置と、を有する。【選択図】図11 |
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