A Comparative study of learning based control policies and conventional controllers on 2D bi-rotor platform with tail assistance

Date

2019

Author

Uğurlu, Halil İIbrahim

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With the developing technology, multi-rotor platforms have become widespread and their control has become an important problem. In this thesis, we analyze physical extensions and control approaches for better control of rotor platforms. The first main contribution of the thesis is whether a tail-appendage that is attached under a multi-rotor platform can improve the multi-rotor's performance. Moreover, we used conventional control approaches as well as Deep Reinforcement Learning to learn a policy for controlling rotor platforms with or without tail appendage. To obtain better training and testing performance with Deep Reinforcement Learning, we adopted a curricular learning approach, where the difficulty of training samples is gradually increased. For the experiments, a two-dimensional simulation environment is developed to simulate a bi-rotor flying system, the counterpart of quad-rotors in three-dimensions. Both control strategies are rigorously analyzed for controlling the platform with and without tail appendage in this simulation environment.

Subject Keywords

Drone aircraft., Keywords: Deep Reinforcement Learning, multi-rotor UAVs, Artificial Neural Networks.

URI

http://etd.lib.metu.edu.tr/upload/12624062/index.pdf
https://hdl.handle.net/11511/44195

Collections

Graduate School of Natural and Applied Sciences, Thesis