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Intelligent Path Planning for Off-Road Navigation: A Q Learning Approach with Terrain and Distance Optimization

  • Duohang Sun
  • , Chenxi Wang
  • , Chengxu Zhou
  • , Xiaoqing Liu
  • , Haitao Xiao
  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In off-road scenarios, the combined impact of obstacles and terrain poses a significant challenge to vehicle navigation. Currently, many studies focus on static environments, and these methods fail to adapt to dynamic environments due to their neglect of moving obstacles. Therefore, based on the Q Learning algorithm, this paper proposes a method for initializing the Q-table using a global route and designs elevation difference and distance reward functions to enable effective path planning in low-dynamic off-road environments. Experimental results demonstrate that compared to an untuned Q Learning algorithm, this method converges faster and produces smoother routes, thereby better adapting to dynamic off-road environments.

Original languageEnglish
Title of host publicationKnowledge and Systems Sciences - 24th International Symposium, KSS 2025, Proceedings
EditorsXijin Tang, Haoxiang Xia, Xianneng Li, Van Nam Huynh
PublisherSpringer Science and Business Media Deutschland GmbH
Pages324-336
Number of pages13
ISBN (Print)9789819549894
DOIs
StatePublished - 2026
Event24th International Symposium on Knowledge and Systems Sciences, KSS 2025 - Kitakyushu, Japan
Duration: 28 Nov 2025 → 1 Dec 2025

Publication series

NameCommunications in Computer and Information Science
Volume2731 CCIS
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937

Conference

Conference24th International Symposium on Knowledge and Systems Sciences, KSS 2025
Country/TerritoryJapan
CityKitakyushu
Period28/11/25 → 1/12/25

Keywords

  • Dynamic Path Planning
  • Off-Road Environment
  • Q Learning

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