Sequencing of multi?robot behaviors using reinforcement learning |
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作者姓名: | Pietro Pierpaoli Thinh T. Doan Justin Romberg Magnus Egerstedt |
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作者单位: | 1 School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA;2 Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA 24061, USA;3 Samueli School of Engineering, University of California, Irvine, CA 92697, USA |
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基金项目: | This work was supported by the Army Research Lab (No. DCIST CRA W911NF-17-2-0181). |
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摘 要: | Given a collection of parameterized multi-robot controllers associated with individual behaviors designed for particular
tasks, this paper considers the problem of how to sequence and instantiate the behaviors for the purpose of completing a
more complex, overarching mission. In addition, uncertainties about the environment or even the mission specifications
may require the robots to learn, in a cooperative manner, how best to sequence the behaviors. In this paper, we approach this
problem by using reinforcement learning to approximate the solution to the computationally intractable sequencing problem,
combined with an online gradient descent approach to selecting the individual behavior parameters, while the transitions
among behaviors are triggered automatically when the behaviors have reached a desired performance level relative to a task
performance cost. To illustrate the effectiveness of the proposed method, it is implemented on a team of differential-drive
robots for solving two different missions, namely, convoy protection and object manipulation.
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关 键 词: | Multi-robot systems · Reinforcement learning · Distributed control |
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