A Self-Organizing Neuro-Fuzzy Q-Network: Systematic Design with Offline Hybrid Learning

John Wesley Hostetter (North Carolina State University), Mark Abdelshiheed (North Carolina State University), Tiffany Barnes (North Carolina State University), Min Chi (North Carolina State University)

Abstract

In this paper, we propose a systematic design process for automatically generating self-organizing neuro-fuzzy Q-networks by leveraging unsupervised learning and an offline, model-free fuzzy reinforcement learning algorithm called Fuzzy Conservative Qlearning (FCQL). Our FCQL offers more effective and interpretable policies than deep neural networks, facilitating human-in-the-loop design and explainability. The effectiveness of FCQL is empirically demonstrated in Cart Pole and in an Intelligent Tutoring System that teaches probability principles to real humans.