A Reliable Robot Motion Planner in Complex Real-world Environments via Action Imagination

Wang, Chengjin, Zhou, Yanmin, Wang, Zhipeng, Yan, Zheng, Luan, Feng, Jiang, Shuo, Shen, Runjie, Sang, Hongrui, He, Bin

arXiv.org Artificial Intelligence 

Humans and animals can make real - time adjustments to movements by imagining their action outcomes to prevent unanticipated o r even catastrophic motion failures in unknown unstructured environments. Action imagination, as a refined sensorimotor strategy, leverages perception - action loops to handle physical interaction -induced uncer tainties in perception and system modeling within complex systems. Inspired by the action -awareness capability of animal intelligence, this study proposes a n imagination - inspired motion planner (I -MP) framework that speci fically enhances robots' action reliability by imagining plausible spatial states for approaching . After topologizing the workspace, I -MP build perception-action loop enabling robots autonomously build contact models. Leveraging fixed-point theory and Hausdorff distance, the planner compute s convergent spatial states under interaction characteristics and mission constraints. By homogenously representing multi - dimensional environmental characteristics through work, the robot can approach the imagined spatial states via real - time computation o f energy gradients. Consequently, e xperimental results demonstrate the practicality and robustness of IMP in complex cluttered environments.