arXiv:2604.12482cs.ROcs.AI2026-04被引 1

让虚拟软体机器人互相学习,加速智能进化。

Social Learning Strategies for Evolved Virtual Soft Robots

论文配图:Social Learning Strategies for Evolved Virtual Soft Robots
图 1 · 摘自论文原文
  • 机器人通过模仿同伴的控制参数实现快速学习
  • 与从零开始训练相比,相同算力下性能显著提升
  • 借鉴多个相似形态伙伴的经验更稳定有效

优化机器人的身体结构和控制策略是一个耦合难题:形态决定哪些控制方式有效,而控制参数又影响形态的表现。传统方法采用嵌套的演化与学习循环,每个机器人独立学习其控制参数。但一个机器人的最优参数可能对其他机器人有参考价值。为此,我们提出一种社交学习框架,让机器人可借鉴同伴的优化参数以加速自身脑部优化。在四个任务与环境中,系统研究了教师选择策略(即学谁、学多少)的影响,特别关注由于身体与大脑高度耦合,从形态相似者继承经验的效果。结果表明,基于他人经验的学习明显优于从头训练,在同等计算资源下表现更优。尽管最优教师选择策略尚未明确,但多教师知识融合能带来更一致且鲁棒的提升。

原文摘要 · Abstract (English)

Optimizing the body and brain of a robot is a coupled challenge: the morphology determines what control strategies are effective, while the control parameters influence how well the morphology performs. This joint optimization can be done through nested loops of evolutionary and learning processes, where the control parameters of each robot are learned independently. However, the control parameters learned by one robot may contain valuable information for others. Thus, we introduce a social learning approach in which robots can exploit optimized parameters from their peers to accelerate their own brain optimization. Within this framework, we systematically investigate how the selection of teachers, deciding which and how many robots to learn from, affects performance, experimenting with virtual soft robots in four tasks and environments. In particular, we study the effect of inheriting experience from morphologically similar robots due to the tightly coupled body and brain in robot optimization. Our results confirm the effectiveness of building on others' experience, as social learning clearly outperforms learning from scratch under equivalent computational budgets. In addition, while the optimal teacher selection strategy remains open, our findings suggest that incorporating knowledge from multiple teachers can yield more consistent and robust improvements.

机器人演化社交学习强化学习

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