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Related papers: Reinforcement Learning with Elastic Time Steps

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Multi-task reinforcement learning (MTRL) demonstrate potential for enhancing the generalization of a robot, enabling it to perform multiple tasks concurrently. However, the performance of MTRL may still be susceptible to conflicts between…

Machine Learning · Computer Science 2024-04-10 Jinyuan Feng , Min Chen , Zhiqiang Pu , Tenghai Qiu , Jianqiang Yi

A reinforcement learning (RL) control policy could fail in a new/perturbed environment that is different from the training environment, due to the presence of dynamic variations. For controlling systems with continuous state and action…

Robotics · Computer Science 2022-08-31 Y. Cheng , P. Zhao , F. Wang , D. J. Block , N. Hovakimyan

Actor-critic methods, a type of model-free reinforcement learning (RL), have achieved state-of-the-art performances in many real-world domains in continuous control. Despite their success, the wide-scale deployment of these models is still…

Machine Learning · Computer Science 2020-12-14 Srinjoy Roy , Saptam Bakshi , Tamal Maharaj

While reinforcement learning has shown experimental success in a number of applications, it is known to be sensitive to noise and perturbations in the parameters of the system, leading to high variance in the total reward amongst different…

Systems and Control · Electrical Eng. & Systems 2024-12-02 Erfaun Noorani , Christos Mavridis , John Baras

Recent advances in reinforcement learning (RL) have substantially improved the training of large-scale language models, leading to significant gains in generation quality and reasoning ability. However, most existing research focuses on…

Machine Learning · Computer Science 2026-01-13 Di Zhang , Xun Wu , Shaohan Huang , Lingjie Jiang , Yaru Hao , Li Dong , Zewen Chi , Zhifang Sui , Furu Wei

Policy gradient methods in actor-critic reinforcement learning (RL) have become perhaps the most promising approaches to solving continuous optimal control problems. However, the trial-and-error nature of RL and the inherent randomness…

Machine Learning · Computer Science 2024-04-19 Ruofan Wu , Junmin Zhong , Jennie Si

Soft Actor-Critic (SAC) is widely used in practical applications and is now one of the most relevant off-policy online model-free reinforcement learning (RL) methods. The technique of n-step returns is known to increase the convergence…

Machine Learning · Computer Science 2025-12-16 Jakub Łyskawa , Jakub Lewandowski , Paweł Wawrzyński

The effectiveness of credit assignment in reinforcement learning (RL) when dealing with high-dimensional data is influenced by the success of representation learning via deep neural networks, and has implications for the sample efficiency…

Machine Learning · Computer Science 2025-02-03 Burcu Küçükoğlu , Sander Dalm , Marcel van Gerven

Intelligent agents must be able to think fast and slow to perform elaborate manipulation tasks. Reinforcement Learning (RL) has led to many promising results on a range of challenging decision-making tasks. However, in real-world robotics,…

Robotics · Computer Science 2021-10-22 Maximilian Ulmer , Elie Aljalbout , Sascha Schwarz , Sami Haddadin

Adopting reasonable strategies is challenging but crucial for an intelligent agent with limited resources working in hazardous, unstructured, and dynamic environments to improve the system's utility, decrease the overall cost, and increase…

Artificial Intelligence · Computer Science 2023-03-09 Qin Yang , Ramviyas Parasuraman

The Intelligent decision of the unmanned combat aerial vehicle (UCAV) has long been a challenging problem. The conventional search method can hardly satisfy the real-time demand during high dynamics air combat scenarios. The reinforcement…

Machine Learning · Computer Science 2021-12-03 Yiwen Zhu , Zhou Fang , Yuan Zheng , Wenya Wei

This study proposes the use of a social learning method to estimate a global state within a multi-agent off-policy actor-critic algorithm for reinforcement learning (RL) operating in a partially observable environment. We assume that the…

Machine Learning · Computer Science 2024-07-09 Ainur Zhaikhan , Ali H. Sayed

We propose a novel framework to solve risk-sensitive reinforcement learning (RL) problems where the agent optimises time-consistent dynamic spectral risk measures. Based on the notion of conditional elicitability, our methodology constructs…

Machine Learning · Computer Science 2023-05-02 Anthony Coache , Sebastian Jaimungal , Álvaro Cartea

In Volt/Var control (VVC) of active distribution networks(ADNs), both slow timescale discrete devices (STDDs) and fast timescale continuous devices (FTCDs) are involved. The STDDs such as on-load tap changers (OLTC) and FTCDs such as…

Systems and Control · Electrical Eng. & Systems 2021-04-14 Haotian Liu , Wenchuan Wu

Robotic locomotion is often approached with the goal of maximizing robustness and reactivity by increasing motion control frequency. We challenge this intuitive notion by demonstrating robust and dynamic locomotion with a learned motion…

Robotics · Computer Science 2023-02-22 Siddhant Gangapurwala , Luigi Campanaro , Ioannis Havoutis

This research is concerned with the novel application and investigation of `Soft Actor Critic' (SAC) based Deep Reinforcement Learning (DRL) to control the cooling setpoint (and hence cooling loads) of a large commercial building to harness…

Machine Learning · Computer Science 2021-07-08 Anjukan Kathirgamanathan , Eleni Mangina , Donal P. Finn

This paper explores the application of the Soft Actor-Critic (SAC) algorithm within a Distributional Reinforcement Learning setting and introduces an implementation of such algorithm named Cram\'er-based Distributional Soft Actor-Critic…

Machine Learning · Computer Science 2026-05-12 Vanya Aziz , Ivo Nowak , E. M. T Hendrix

Deep reinforcement learning can generate complex control policies, but requires large amounts of training data to work effectively. Recent work has attempted to address this issue by leveraging differentiable simulators. However, inherent…

Machine Learning · Computer Science 2022-04-15 Jie Xu , Viktor Makoviychuk , Yashraj Narang , Fabio Ramos , Wojciech Matusik , Animesh Garg , Miles Macklin

Training an agent to solve control tasks directly from high-dimensional images with model-free reinforcement learning (RL) has proven difficult. A promising approach is to learn a latent representation together with the control policy.…

Machine Learning · Computer Science 2020-07-10 Denis Yarats , Amy Zhang , Ilya Kostrikov , Brandon Amos , Joelle Pineau , Rob Fergus

Reinforcement learning (RL) in low-data and risk-sensitive domains requires performant and flexible deployment policies that can readily incorporate constraints during deployment. One such class of policies are the semi-parametric H-step…

Machine Learning · Computer Science 2021-10-07 Harshit Sikchi , Wenxuan Zhou , David Held