実用的な非ガウスノイズ下制御のための二重リスク制約付きLQRへの原始双対アプローチ
Xi-Xi Ji1, Cheng-Lin Liu1, Ya Zhang2
1Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), Institute of Automation, Jiangnan University, Wuxi, 214122, China.
ISA transactions
|December 30, 2025
まとめ
本研究では、非ガウス性外乱を伴うシステムの制御強化のための新しい二重リスク制約付き線形二次レギュレータ(DRC-LQR)を紹介します。DRC-LQRは、重要なアプリケーションに対して、改善されたロバスト性と安全性を提供します。
科学分野:
- 制御システム工学
- 非ガウス確率過程
- 最適化理論
背景:
- 従来の制御方法は、非ガウス性およびバイアスのある外乱に対処するのに苦労しています。
- 既存のリスク感受性制御は、単一リスクまたはリスク中立の定式化をしばしば使用します。
- 部分観測システムは、安定性と性能のためにロバストな制御戦略を必要とします。
研究 の 目的:
- 部分観測システムの実際的な制御のための二重リスク制約付き線形二次レギュレータ(DRC-LQR)を提示すること。
- 非ガウス条件下での状態と出力の変動を共同で制約する手法を開発すること。
- 極端な外乱に直面する安全クリティカルシステムの连忙リスク感受性制御設計を進歩させること。
主な方法:
- 計算上実行可能な原始双対最適化フレームワークを採用しています。
- このアプローチは、ノイズの歪度と裾の重さを明示的に補償します。
- 無限ホライズン定式化は、共同の安定性と制約の充足を保証します。
主要な成果:
- シミュレーションは、標準LQRと比較して規制精度の60%以上の改善を示しました。
- 93.7%の高速収束と99.8%の制約充足が達成されました。
- 航空機飛行制御と電圧規制における優れたロバスト性と実用性が実証されました。
結論:
- DRC-LQRは、LQRの体系的かつ実装可能な拡張です。
- この方法は、非ガウス性外乱に対する理論的厳密性と実世界での実現可能性を提供します。
- 極端な条件下での安全クリティカルシステムの连忙リスク感受性制御を進歩させます。
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