ステート制約を持つ非厳格なフィードバックの高次元のストキャスティック非線形システムのための固定時間適応型ぼんやりとした制御
IEEE transactions on cybernetics
|August 27, 2025
まとめ
この研究は,状態の制約を持つストキャスティック非線形システムに対する適応的固定時間制御を導入します. 新しいバリア・リヤプノフ機能により,システムの安定性と一定の時間内に状態の制限が保証されます.
科学分野:
- 制御理論
- 非線形システム
- ストキャスティック・システム
背景:
- ストキャスティック高次元の非線形システム (HONS) は,状態の制約と不確実性のために課題を提示します.
- 既存の制御方法は,しばしば非対称的なフルステート制約とストキャスティック乱れと闘う.
研究 の 目的:
- 完全状態の制約を持つストキャスティックHONSのための適応的な固定時間追跡制御戦略を開発する.
- 断片的バリアリヤプノフ関数 (BLF) を用いて非対称状態の制約に対処する.
- 曖昧な論理システムを通して ストカスティックな混乱と未知の非線形性を処理する.
主な方法:
- 非対称的なフルステート制約を管理するために,分数的なバリアリヤプノフ関数 (BLF) を使用します.
- 不明な非線形とストキャスティックな乱れを近似するために fuzzy 論理システムを利用する.
- パワー・インテグレーター・テクニックの追加と,コントローラ・デザインのバックステッピング・メソッドの適用.
- 固定時間ライアプノフの安定性理論を活用して,確率的な固定時間限定性を保証する.
主要な成果:
- すべての信号が制限されていることを保証する,適応的な固定時間ぼんやり状態フィードバックコントローラが設計されました.
- すべてのシステム状態は,制限された間隔内に留まることが証明されました.
- 非線形システムは 確率で固定時間限定性を示した.
- 提案されたBLFアプローチは,制約のない高階システムに適応できます.
結論:
- 開発された制御戦略は,完全な状態の制約を持つストキャスティックHONSを効果的に管理します.
- 断片的なBLFは,非対称状態の制限に対して堅固な解決策を提供します.
- スプリングマスのダッパーシステムを含むシミュレーション結果は,制御戦略の性能を検証します.
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