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- Title
Intention inference‐based interacting multiple model estimator in photoelectric tracking.
- Authors
Sun, Minxing; Liu, Huabo; Duan, Qianwen; Wang, Junzhe; Mao, Yao; Bao, Qiliang
- Abstract
Aiming to improve the estimation and prediction accuracy of a target's position, this paper proposes a state estimation method for photoelectric tracking systems, based on the evaluation of the tracked target's motion intention. Traditional photoelectric tracking systems utilize external physical quantities such as the position, velocity, and acceleration of the target as the estimated states. While this method can output good results for pre‐modelled target positions, it struggles to maintain the accuracy when facing manoeuvering targets or complex motion patterns targets. Here, the relevant parameters of the tracked target's motion intention are directly estimated innovatively, like estimating the circling point position rather than the circular flying target's position and velocity. This approach enables recognizing the target's motion intention and leads to precise estimation, which specifically consists of an interacting multiple model approach, multiple unscented Kalman estimators, and a robust estimator. The effectiveness and stability of this estimator are validated through software simulations and experiments on a dual‐reflection mirror platform.
- Subjects
TRACKING radar; DISCRETE time filters; INTENTION; ACCELERATION (Mechanics); NONLINEAR estimation; SIMULATION software
- Publication
IET Control Theory & Applications (Wiley-Blackwell), 2024, Vol 18, Issue 9, p1210
- ISSN
1751-8644
- Publication type
Article
- DOI
10.1049/cth2.12657