Search Results for author: Dikai Liu

Found 5 papers, 1 papers with code

DOB-Net: Actively Rejecting Unknown Excessive Time-Varying Disturbances

no code implementations10 Jul 2019 Tianming Wang, Wen-jie Lu, Zheng Yan, Dikai Liu

This paper presents an observer-integrated Reinforcement Learning (RL) approach, called Disturbance OBserver Network (DOB-Net), for robots operating in environments where disturbances are unknown and time-varying, and may frequently exceed robot control capabilities.

Position Reinforcement Learning (RL)

A2: Extracting Cyclic Switchings from DOB-nets for Rejecting Excessive Disturbances

no code implementations1 Nov 2019 Wen-jie Lu, Dikai Liu

This paper proposes an Attention-based Abstraction (A${}^2$) approach to extract a finite-state automaton, referred to as a Key Moore Machine Network (KMMN), to capture the switching mechanisms exhibited by the DOB-net in dealing with multiple such POMDPs.

Reinforcement Learning (RL)

Modular Transfer Learning with Transition Mismatch Compensation for Excessive Disturbance Rejection

no code implementations29 Jul 2020 Tianming Wang, Wen-jie Lu, Huan Yu, Dikai Liu

In this paper, we propose a transfer learning framework that adapts a control policy for excessive disturbance rejection of an underwater robot under dynamics model mismatch.

Transfer Reinforcement Learning

Neuroadaptation in Physical Human-Robot Collaboration

no code implementations30 Sep 2023 Avinash Singh, Dikai Liu, Chin-Teng Lin

Robots for physical Human-Robot Collaboration (pHRC) systems need to change their behavior and how they operate in consideration of several factors, such as the performance and intention of a human co-worker and the capabilities of different human-co-workers in collision avoidance and singularity of the robot operation.

Collision Avoidance EEG

Foundation Models for Weather and Climate Data Understanding: A Comprehensive Survey

1 code implementation5 Dec 2023 Shengchao Chen, Guodong Long, Jing Jiang, Dikai Liu, Chengqi Zhang

Furthermore, in relation to the creation and application of foundation models for weather and climate data understanding, we delve into the field's prevailing challenges, offer crucial insights, and propose detailed avenues for future research.

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