Multi-Waypoint Path Planning and Motion Control for Non-holonomic Mobile Robots in Agricultural Applications

• URL: http://arxiv.org/abs/2507.23350v1
• Date: Thu, 31 Jul 2025 08:56:24 GMT
• Title: Multi-Waypoint Path Planning and Motion Control for Non-holonomic Mobile Robots in Agricultural Applications
• Authors: Mahmoud Ghorab, Matthias Lorenzen,
• Abstract summary: There is a growing demand for autonomous mobile robots capable of navigating unstructured agricultural environments.<n>Tasks such as weed control in meadows require efficient path planning through an unordered set of coordinates.<n>This paper presents an integrated navigation framework combining a global path planner based on the Dubins Traveling Salesman Problem.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: There is a growing demand for autonomous mobile robots capable of navigating unstructured agricultural environments. Tasks such as weed control in meadows require efficient path planning through an unordered set of coordinates while minimizing travel distance and adhering to curvature constraints to prevent soil damage and protect vegetation. This paper presents an integrated navigation framework combining a global path planner based on the Dubins Traveling Salesman Problem (DTSP) with a Nonlinear Model Predictive Control (NMPC) strategy for local path planning and control. The DTSP generates a minimum-length, curvature-constrained path that efficiently visits all targets, while the NMPC leverages this path to compute control signals to accurately reach each waypoint. The system's performance was validated through comparative simulation analysis on real-world field datasets, demonstrating that the coupled DTSP-based planner produced smoother and shorter paths, with a reduction of about 16% in the provided scenario, compared to decoupled methods. Based thereon, the NMPC controller effectively steered the robot to the desired waypoints, while locally optimizing the trajectory and ensuring adherence to constraints. These findings demonstrate the potential of the proposed framework for efficient autonomous navigation in agricultural environments.

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