用大模型让机器人听懂人话,实现真实世界协作。
Using Natural Language for Human-Robot Collaboration in the Real World
- 构建认知代理控制机器人,融合人类语言与LLM理解能力
- 通过三组概念验证实验展示自然语言理解可行性
- 为未来可操作的智能机器人助手提供技术路径
我们设想一个未来,自主机器人能作为助手在现实世界中与人类协同完成复杂任务。这要求机器人具备使用人类自然语言进行沟通的能力。传统交互式任务学习(ITL)系统虽有部分能力,但理解语言范围极有限。大型语言模型(LLMs)的出现为提升机器人语言理解能力带来机遇,但如何将LLM的语言能力与真实物理世界的机器人结合仍是挑战。本章首先简要回顾几款与人类紧密协作的商用机器人产品,并讨论其若具备强语言能力将如何改进。随后探讨一种以认知代理为核心、控制物理机器人的AI系统,该系统能与人类和LLM交互,并通过经验积累情境知识,或可实现上述愿景。重点分析机器人理解自然语言面临的三大挑战,每项挑战均以ChatGPT进行简单概念验证实验。最后讨论如何将这些实验转化为实际运行系统,使基于LLM的语言理解成为集成式机器人助手的重要组成部分。
原文摘要 · Abstract (English)
We have a vision of a day when autonomous robots can collaborate with humans as assistants in performing complex tasks in the physical world. This vision includes that the robots will have the ability to communicate with their human collaborators using language that is natural to the humans. Traditional Interactive Task Learning (ITL) systems have some of this ability, but the language they can understand is very limited. The advent of large language models (LLMs) provides an opportunity to greatly improve the language understanding of robots, yet integrating the language abilities of LLMs with robots that operate in the real physical world is a challenging problem. In this chapter we first review briefly a few commercial robot products that work closely with humans, and discuss how they could be much better collaborators with robust language abilities. We then explore how an AI system with a cognitive agent that controls a physical robot at its core, interacts with both a human and an LLM, and accumulates situational knowledge through its experiences, can be a possible approach to reach that vision. We focus on three specific challenges of having the robot understand natural language, and present a simple proof-of-concept experiment using ChatGPT for each. Finally, we discuss what it will take to turn these simple experiments into an operational system where LLM-assisted language understanding is a part of an integrated robotic assistant that uses language to collaborate with humans.
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