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Optimal Solving of Constrained Path-Planning Problems with Graph Convolutional Networks and Optimized Tree Search
arXiv - CS - Robotics Pub Date : 2021-08-02 , DOI: arxiv-2108.01036 Kevin Osanlou, Andrei Bursuc, Christophe Guettier, Tristan Cazenave, Eric Jacopin
arXiv - CS - Robotics Pub Date : 2021-08-02 , DOI: arxiv-2108.01036 Kevin Osanlou, Andrei Bursuc, Christophe Guettier, Tristan Cazenave, Eric Jacopin
Learning-based methods are growing prominence for planning purposes. However,
there are very few approaches for learning-assisted constrained path-planning
on graphs, while there are multiple downstream practical applications. This is
the case for constrained path-planning for Autonomous Unmanned Ground Vehicles
(AUGV), typically deployed in disaster relief or search and rescue
applications. In off-road environments, the AUGV must dynamically optimize a
source-destination path under various operational constraints, out of which
several are difficult to predict in advance and need to be addressed on-line.
We propose a hybrid solving planner that combines machine learning models and
an optimal solver. More specifically, a graph convolutional network (GCN) is
used to assist a branch and bound (B&B) algorithm in handling the constraints.
We conduct experiments on realistic scenarios and show that GCN support enables
substantial speedup and smoother scaling to harder problems.
中文翻译:
使用图卷积网络和优化树搜索优化求解受限路径规划问题
基于学习的方法在规划方面越来越重要。然而,在图上进行学习辅助约束路径规划的方法很少,而有多种下游实际应用。自主无人地面车辆 (AUGV) 的受限路径规划就是这种情况,通常部署在救灾或搜救应用中。在越野环境中,AUGV 必须在各种操作约束下动态优化源-目的地路径,其中几个很难提前预测,需要在线解决。我们提出了一种混合求解规划器,它结合了机器学习模型和最优求解器。更具体地说,图卷积网络 (GCN) 用于协助分支定界 (B&B) 算法处理约束。
更新日期:2021-08-03
中文翻译:
使用图卷积网络和优化树搜索优化求解受限路径规划问题
基于学习的方法在规划方面越来越重要。然而,在图上进行学习辅助约束路径规划的方法很少,而有多种下游实际应用。自主无人地面车辆 (AUGV) 的受限路径规划就是这种情况,通常部署在救灾或搜救应用中。在越野环境中,AUGV 必须在各种操作约束下动态优化源-目的地路径,其中几个很难提前预测,需要在线解决。我们提出了一种混合求解规划器,它结合了机器学习模型和最优求解器。更具体地说,图卷积网络 (GCN) 用于协助分支定界 (B&B) 算法处理约束。