平面追跡のための生体模倣内部モデルに基づくオンライン推定器
A bioinspired internal model-based online estimator for planar pursuit
生体模倣の追跡制御において、搭載センサで直接観測できない相対状態を内部モデルと最適化で推定するオンライン推定器を提案し、ロボット実機で検証した。
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著者: Tengyue Liu, Xincheng Li, Sofia Morales Ferreira, Kevin Galloway, Udit Halder
分類: cs.RO, eess.SY
原文アブストラクト
Bioinspired feedback controls for pursuit, tracking, and collective motion are often expressed in terms of the relative configuration between interacting agents. In practice, however, onboard sensors may not directly provide all quantities required for feedback control, necessitating estimation of unobserved quantities. This paper develops a bioinspired internal model-based estimator for reconstructing those quantities from partial sensory observations and known self-motion. State reconstruction is posed as an optimization problem that treats the relative kinematics as constraints and minimizes the disagreement between the internal model outputs and measurements from onboard sensors. Pontryagin's Maximum Principle is used to derive the necessary optimality conditions. A forward-backward algorithm is used to provide a numerical solution and a moving horizon formulation is employed for online implementation. The estimator is evaluated numerically against classical state estimators. Real-time implementation of the proposed framework on robotic hardware is demonstrated through two pursuit strategies.