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相关论文: Proximal Policy Optimization and its Dynamic Versi…

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This article proposes a proximal policy optimization (PPO)-based reinforcement learning (RL) approach for DC-DC boost converter control that is compared with traditional control methods. The performance of the PPO algorithm is evaluated…

系统与控制 · 电气工程与系统科学 2025-01-03 Utsab Saha , Atik Jawad , Shakib Shahria , A. B. M Harun-Ur Rashid

Reinforcement Learning (RL) has made significant strides in various domains, and policy gradient methods like Proximal Policy Optimization (PPO) have gained popularity due to their balance in performance, training stability, and…

机器学习 · 计算机科学 2025-05-21 Andrei Cozma , Landon Harris , Hairong Qi

Traditional policy gradient methods are fundamentally flawed. Natural gradients converge quicker and better, forming the foundation of contemporary Reinforcement Learning such as Trust Region Policy Optimization (TRPO) and Proximal Policy…

机器学习 · 计算机科学 2022-09-07 W. J. A. van Heeswijk

Proximal policy optimization (PPO) is one of the most popular deep reinforcement learning (RL) methods, achieving state-of-the-art performance across a wide range of challenging tasks. However, as a model-free RL method, the success of PPO…

机器学习 · 计算机科学 2019-11-11 Yuhui Wang , Hao He , Xiaoyang Tan , Yaozhong Gan

On-policy deep reinforcement learning algorithms have low data utilization and require significant experience for policy improvement. This paper proposes a proximal policy optimization algorithm with prioritized trajectory replay (PTR-PPO)…

机器学习 · 计算机科学 2021-12-09 Xingxing Liang , Yang Ma , Yanghe Feng , Zhong Liu

This note introduces Isometric Policy Optimization (ISOPO), an efficient method to approximate the natural policy gradient in a single gradient step. In comparison, existing proximal policy methods such as GRPO or CISPO use multiple…

机器学习 · 计算机科学 2026-01-01 Nilin Abrahamsen

Proximal Policy Optimization with Adaptive Exploration (axPPO) is introduced as a novel learning algorithm. This paper investigates the exploration-exploitation tradeoff within the context of reinforcement learning and aims to contribute…

机器学习 · 计算机科学 2024-05-09 Andrei Lixandru

Safe reinforcement learning aims to learn the optimal policy while satisfying safety constraints, which is essential in real-world applications. However, current algorithms still struggle for efficient policy updates with hard constraint…

机器学习 · 计算机科学 2022-06-20 Linrui Zhang , Li Shen , Long Yang , Shixiang Chen , Bo Yuan , Xueqian Wang , Dacheng Tao

In this work we introduce the application of black-box quantum control as an interesting rein- forcement learning problem to the machine learning community. We analyze the structure of the reinforcement learning problems arising in quantum…

机器学习 · 计算机科学 2018-04-16 Moritz August , José Miguel Hernández-Lobato

For many applications of reinforcement learning it can be more convenient to specify both a reward function and constraints, rather than trying to design behavior through the reward function. For example, systems that physically interact…

机器学习 · 计算机科学 2017-05-31 Joshua Achiam , David Held , Aviv Tamar , Pieter Abbeel

This paper addresses the challenge of edge caching in dynamic environments, where rising traffic loads strain backhaul links and core networks. We propose a Proximal Policy Optimization (PPO)-based caching strategy that fully incorporates…

网络与互联网体系结构 · 计算机科学 2024-11-18 Farnaz Niknia , Ping Wang

A multitude of industries depend on accurate and reasonable tabular data augmentation for their business processes. Contemporary methodologies in generating tabular data revolve around utilizing Generative Adversarial Networks (GAN) or…

机器学习 · 计算机科学 2025-02-25 Shuo Yang , Chenchen Yuan , Yao Rong , Felix Steinbauer , Gjergji Kasneci

Proximal Policy Optimisation (PPO) is an established and effective policy gradient algorithm used for Language Model Reinforcement Learning from Human Feedback (LM-RLHF). PPO performs well empirically but has a heuristic motivation and…

计算与语言 · 计算机科学 2025-08-26 Jason R Brown , Lennie Wells , Edward James Young , Sergio Bacallado

Proximal Policy Optimization (PPO) is widely regarded as one of the most successful deep reinforcement learning algorithms, known for its robustness and effectiveness across a range of problems. The PPO objective encourages the importance…

机器学习 · 计算机科学 2025-11-05 Gilad Karpel , Ruida Zhou , Shoham Sabach , Mohammad Ghavamzadeh

In various game scenarios, selecting a fixed number of targets from multiple enemy units is an extremely challenging task. This difficulty stems from the complex relationship between the threat levels of enemy units and their feature…

机器学习 · 计算机科学 2025-04-28 Wuzhou Sun , Siyi Li , Qingxiang Zou , Zixing Liao

This paper introduces two novel modifications to the Dynamic sAmpling Policy Optimization (DAPO) algorithm [1], approached from a mixed-policy perspective. Standard policy gradient methods can suffer from instability and sample…

机器学习 · 计算机科学 2025-08-20 Hongze Tan , Yuchen Li

While reinforcement learning has advanced the alignment of text-to-image (T2I) models, state-of-the-art policy gradient methods are still hampered by training instability and high variance, hindering convergence speed and compromising image…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Jeongjae Lee , Jong Chul Ye

Deep reinforcement learning (DRL) is one of the promising approaches for introducing robots into complicated environments. The recent remarkable progress of DRL stands on regularization of policy, which allows the policy to improve stably…

机器学习 · 计算机科学 2023-07-04 Taisuke Kobayashi

Model-free reinforcement learning algorithms have seen remarkable progress, but key challenges remain. Trust Region Policy Optimization (TRPO) is known for ensuring monotonic policy improvement through conservative updates within a trust…

机器学习 · 计算机科学 2025-07-29 Zhengpeng Xie , Qiang Zhang , Fan Yang , Marco Hutter , Renjing Xu

The policy gradient method enjoys the simplicity of the objective where the agent optimizes the cumulative reward directly. Moreover, in the continuous action domain, parameterized distribution of action distribution allows easy control of…

机器学习 · 计算机科学 2022-12-16 Md Masudur Rahman , Yexiang Xue