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Language-aided state estimation
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DOI：10.1016/j.ifacsc.2026.100372.png)
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Abstract
En 中文
Natural language data, such as text and speech, have become readily available through social networking services and chat platforms. By leveraging human observations expressed in natural language, this paper addresses the problem of state estimation for physical systems, in which humans act as sensing agents. To this end, we propose a Language-Aided Particle Filter (LAPF), a particle filter framework that structures human observations via natural language processing and incorporates them into the update step of the state estimation. Finally, the LAPF is applied to the water level estimation problem in an irrigation canal and its effectiveness is demonstrated. (c) 2026 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords:
Filtering and smoothing
State estimation
Particle filter
Natural language processing
Human-in-the-loop estimation
Natural language observation
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IF:
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80
Citations:
317