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Zhengwei Li

4 accepted papers

2025

Zero-Shot Adaptation at Task-Level via Coarse-to-Fine Policy Refinement and Holistic-Local Contrastive Representation

RA-L 2025

Meta-reinforcement learning offers a mechanism for zero-shot adaptation, enabling agents to handle new tasks with parametric variation in real-world environments. However, existing methods still struggle with task-level adaptation, which demands generalization beyond simple variations within tasks,

Cited by 0SourceScholar
2024

Efficient Offline Meta-Reinforcement Learning via Robust Task Representations and Adaptive Policy Generation

IJCAI 2024poster

Zero-shot adaptation is crucial for agents facing new tasks. Offline Meta-Reinforcement Learning (OMRL), utilizing offline multi-task datasets to train policies, offers a way to attain this ability. Although most OMRL methods construct task representations via contrastive learning and merge them wit…

Cited by 2SourcePDFScholar
2024

FOCWS: A High Sensitive Flexible Optical Curvature Sensor Inspired by Arthropod Sensory Systems

IROS 2024poster

Flexible sensors for joint angle measurement play a crucial role in various human-robot interaction applications. In previous studies, sensors with various sensing mechanisms have been developed. Among them, optical waveguide sensors exhibit high resistance to environmental factors (such as temperat…

Cited by 0SourceScholar
2023

A Two-Dimensional Reticular Core Optical Waveguide Sensor for Tactile and Positioning Sensing

IROS 2023poster

Tactile sensors based on optical waveguides are highly sensitive to pressure, possess good chemical inertness and electromagnetic resistance, and are unaffected by temperature changes in the surrounding environment. Researchers have developed various waveguide structures with multi-level cores to si…

Cited by 3SourceScholar