Minimum dose path planning method for virtual nuclear facilities based on Multi-layer Adaptive Grid

The operation, maintenance, and decommissioning of nuclear facilities carry high risks and are exposed to high levels of radiation. It is crucial to ensure the safety of personnel involved in nuclear facility decommissioning. When workers work in the radiation area, it is necessary to carry out radiation protection through path planning. Considering the complexity and variability of the environment in the operation process, we designed a new dose minimum path planning algorithm based on the multi-layer grid. Based on this algorithm, the computational complexity of path planning in complex scenarios is greatly reduced, ensuring the optimal dose while reducing the computational time of the algorithm. The simulation results show that the dynamic minimum dose path planning method can effectively ensure the safety of staff during the decommissioning of nuclear facilities.