Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications

This paper presents a path planning algorithm for efficiently generating low-cost trajectories that meet mission requirements specified in Linear Time Logic (LTL), where cost functions are defined throughout the configuration space. The main idea of the paper is to increase efficiency by adding lear...

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Main Author: Kyunghoon Cho
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10068514/
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author Kyunghoon Cho
author_facet Kyunghoon Cho
author_sort Kyunghoon Cho
collection DOAJ
description This paper presents a path planning algorithm for efficiently generating low-cost trajectories that meet mission requirements specified in Linear Time Logic (LTL), where cost functions are defined throughout the configuration space. The main idea of the paper is to increase efficiency by adding learning-based extensions to sampling-based path planning algorithms. The proposed method includes two layers: a high-level layer that determines how to expand the search tree to satisfy logical specifications and a low-level layer that extends the search tree to search for low-cost trajectories. To efficiently find low-cost trajectories, it is learned how to extend the search tree from the data via deep learning. By leveraging the conditional variational autoencoder, we learn the ideal search tree extension distribution in a given situation, which increases solution search efficiency. Simulations show that the proposed method finds a low-cost trajectory while meeting a given mission specification. Furthermore, it is confirmed that the proposed approach performs better than the existing methods.
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spelling doaj.art-79f1fa442e2b4e7f85989036a11e47012023-03-20T23:00:21ZengIEEEIEEE Access2169-35362023-01-0111258652587810.1109/ACCESS.2023.325718510068514Learning-Based Path Planning Under Co-Safe Temporal Logic SpecificationsKyunghoon Cho0https://orcid.org/0000-0002-4679-6660Department of Information and Telecommunication Engineering, Incheon National University, Incheon, South KoreaThis paper presents a path planning algorithm for efficiently generating low-cost trajectories that meet mission requirements specified in Linear Time Logic (LTL), where cost functions are defined throughout the configuration space. The main idea of the paper is to increase efficiency by adding learning-based extensions to sampling-based path planning algorithms. The proposed method includes two layers: a high-level layer that determines how to expand the search tree to satisfy logical specifications and a low-level layer that extends the search tree to search for low-cost trajectories. To efficiently find low-cost trajectories, it is learned how to extend the search tree from the data via deep learning. By leveraging the conditional variational autoencoder, we learn the ideal search tree extension distribution in a given situation, which increases solution search efficiency. Simulations show that the proposed method finds a low-cost trajectory while meeting a given mission specification. Furthermore, it is confirmed that the proposed approach performs better than the existing methods.https://ieeexplore.ieee.org/document/10068514/Path planningformal methods
spellingShingle Kyunghoon Cho
Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
IEEE Access
Path planning
formal methods
title Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
title_full Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
title_fullStr Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
title_full_unstemmed Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
title_short Learning-Based Path Planning Under Co-Safe Temporal Logic Specifications
title_sort learning based path planning under co safe temporal logic specifications
topic Path planning
formal methods
url https://ieeexplore.ieee.org/document/10068514/
work_keys_str_mv AT kyunghooncho learningbasedpathplanningundercosafetemporallogicspecifications