BIT* -based Path Planning for Remotely Operated Maritime Autonomous Surface Ships Under Dynamic Obstacle Uncertainty (opens in a new tab)
This paper introduces a BIT*-based path-planning method for Maritime Autonomous Surface Ships (MASS) to handle dynamic obstacle uncertainties in congested waters. The approach combines collision avoidance and path replanning into a single optimization problem, using probabilistic collision risk in the BIT* cost function to prioritize safer routes. It also integrates COLREGs rules to ensure compliance with maritime navigation regulations. Simulations show the method produces safe and reliable paths despite positional uncertainty from sensor errors and communication delays.