Methods for Diverse Exploration in Reinforcement Learning

 An autonomous system to learn how to perform a complex task from past experiences through reinforcement learning without human intervention  

 Background: 

 Recent advances in autonomy technology have promoted the widespread emergence of autonomous systems in various domains such as domestic robots, self-driving vehicles, and financial management agents.

 Technology Overview:  

 The technology developed in this invention, Diverse Experience Learning (DEL), enables an autonomous system to learn how to perform a complex task from past experiences through reinforcement learning – learning from feedback without human intervention. Successful application of this technology will not only make it easier and faster to build general-purpose autonomous systems, but also enable an autonomous system to continuously improve its performance and adapt to new and dynamic environments. 

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 Advantages:  

Compared with competitive products without using our technology, products based on our technology possess the following advantages:

• Less dependent on human intervention (e.g., anticipating the operational environment and hard coding rules of operations and learning) in teaching a system how to perform a task, and therefore, less human cost, and faster to develop a system.
• Ability to adapt to new, uncertain, dynamic environment without human intervention (e.g., specifically instructed by a human expert to change its course of actions under a new condition).
• Forever learning capability - the longer a system is deployed, the more experience it gets, and the better it performs. Compared with alterative RL processes, in particular, existing exploration methods, our technology possesses the following advantages: i) Better sample efficiency – achieving the same level of policy performance using significantly less experience samples; ii) Faster policy improvement – achieving better policy with the same amount of experience samples; and iii) More effective and safer operations - policy performance is maintained above a safe baseline level.