不確実なパラメータ変動制御アフィンシステムのためのロバスト制御バリア関数とセットメンバシップパラメータ推定
1Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115.
まとめ
この研究は、不確実なパラメータを持つシステムのためのロバスト制御バリア関数を提示します。これらの方法は、複雑な不確実性があっても、適応技術に匹敵するシステム安全性と性能を保証します。
科学分野:
- 制御理論
- システムダイナミクス
- ロバスト制御
背景:
- パラメータ変動システムは、予測不可能なダイナミクスにより、制御設計において大きな課題をもたらします。
- 非線形、時間変動する不確実性の存在下で安全性と安定性を確保することは、重要な問題です。
研究 の 目的:
- 不確実なパラメータ変動制御アフィンシステムのためのロバスト制御バリア関数を開発すること。
- 非線形不確実性にもかかわらず、制御入力における線形性を維持する手法を設計すること。
- 高度なパラメータ推定を通じて、ロバスト制御アプローチにおける保守性を低減すること。
主な方法:
- ロバスト制御バリア関数のための混合単調分解と凹包を利用すること。
- 線形制御入力依存性を持つロバスト制御リアプノフ関数を設計すること。
- 多面体交差と区間オブザーバーを使用したセットメンバシップパラメータ推定を実装すること。
主要な成果:
- 制御不変条件は制御入力において線形のままであり、オンライン計算を単純化します。
- ロバスト制御バリア関数とリアプノフ関数を組み合わせることで、解ける二次計画問題が得られます。
- 提案されたパラメータ推定方法は、ロバスト制御における保守性を効果的に低減します。
結論:
- 開発されたロバスト制御バリア関数は、不確実なシステムに対して信頼性の高い安全保証を提供します。
- パフォーマンスは適応型手法に匹負し、堅牢性が向上しています。
- このアプローチは、複雑なシステムの安全で安定したコントローラーを設計するための実用的なフレームワークを提供します。
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