You're reading from Advanced Deep Learning with Keras

Product typeBook

Published inOct 2018

Reading LevelIntermediate

PublisherPackt

ISBN-139781788629416

Edition1st Edition

Languages

Python

Tools

Keras TensorFlow

Concepts

Deep Learning

Author (1)

Rowel Atienza

Principles of reinforcement learning (RL)

Figure 9.1.1 shows the perception-action-learning loop that is used to describe RL. The environment is a soda can sitting on the floor. The agent is a mobile robot whose goal is to pick up the soda can. It observes the environment around it and tracks the location of the soda can through an onboard camera. The observation is summarized in a form of state which the robot will use to decide which action to take. The actions it takes may pertain to low-level control such as the rotation angle/speed of each wheel, rotation angle/speed of each joint of the arm, and whether the gripper is open or close.

Alternatively, the actions may be high-level control moves such as moving the robot forward/backward, steering with a certain angle, and grab/release. Any action that moves the gripper away from the soda receives a negative reward. Any action that closes the gap between the gripper location and the soda receives a positive reward. When the robot...

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Advanced Deep Learning with Keras

Published in: Oct 2018Publisher: PacktISBN-13: 9781788629416

Author (1)

Rowel Atienza

Rowel Atienza is an Associate Professor at the Electrical and Electronics Engineering Institute of the University of the Philippines, Diliman. He holds the Dado and Maria Banatao Institute Professorial Chair in Artificial Intelligence. Rowel has been fascinated with intelligent robots since he graduated from the University of the Philippines. He received his MEng from the National University of Singapore for his work on an AI-enhanced four-legged robot. He finished his Ph.D. at The Australian National University for his contribution on the field of active gaze tracking for human-robot interaction. Rowel's current research work focuses on AI and computer vision. He dreams on building useful machines that can perceive, understand, and reason. To help make his dreams become real, Rowel has been supported by grants from the Department of Science and Technology (DOST), Samsung Research Philippines, and Commission on Higher Education-Philippine California Advanced Research Institutes (CHED-PCARI).
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Principles of reinforcement learning (RL)

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