Real-Time Reinforcement Learning
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Abstract (arXiv)
Markov Decision Processes (MDPs), the mathematical framework underlying most algorithms in Reinforcement Learning (RL), are often used in a way that wrongfully assumes that the state of an agent's environment does not change during action selection. As RL systems based on MDPs begin to find application in real-world safety critical situations, this mismatch between the assumptions underlying classical MDPs and the reality of real-time computation may lead to undesirable outcomes. In this paper, we introduce a new framework, in which states and actions evolve simultaneously and show how it is related to the classical MDP formulation. We analyze existing algorithms under the new real-time formulation and show why they are suboptimal when used in real-time. We then use those insights to create a new algorithm Real-Time Actor-Critic (RTAC) that outperforms the existing state-of-the-art continuous control algorithm Soft Actor-Critic both in real-time and non-real-time settings. Code and videos can be found at https://github.com/rmst/rtrl.
Key facts. Cited by 38 papers in the map (data through 7 Oct 2026). First posted on arXiv 11 Nov 2019.
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Citing papers per year: 2021: 5; 2022: 5; 2023: 4; 2024: 11; 2025: 3; 2026: 10.
38 papers.
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- 2021Acting in Delayed Environments with Non-Stationary Markov Policiescited by 28
- 2021Revisiting State Augmentation methods for Reinforcement Learning with Stochastic Delayscited by 20
- 2021Vision-Guided Quadrupedal Locomotion in the Wild with Multi-Modal Delay Randomizationcited by 18
- 2022Real-Time Reinforcement Learning for Vision-Based Robotics Utilizing Local and Remote Computerscited by 13
- 2025One-Step Flow Q-Learning: Addressing the Diffusion Policy Bottleneck in Offline Reinforcement Learningcited by 9
- 2024Action Gaps and Advantages in Continuous-Time Distributional Reinforcement Learningcited by 7
- 2024Enabling Realtime Reinforcement Learning at Scale with Staggered Asynchronous Inferencecited by 7
- 2024DEER: A Delay-Resilient Framework for Reinforcement Learning with Variable Delayscited by 6
- 2021Chanakya: Learning Runtime Decisions for Adaptive Real-Time Perceptioncited by 5
- 2023Reducing the Cost of Cycle-Time Tuning for Real-World Policy Optimizationcited by 4
- 2023DiAReL: Reinforcement Learning with Disturbance Awareness for Robust Sim2Real Policy Transfer in Robot Controlcited by 4
- 2023R^3: On-device Real-Time Deep Reinforcement Learning for Autonomous Roboticscited by 4
26 more
- 2024Deployable Reinforcement Learning with Variable Control Ratecited by 4
- 2021What Robot do I Need? Fast Co-Adaptation of Morphology and Control using Graph Neural Networkscited by 2
- 2023Facilitating Sim-to-real by Intrinsic Stochasticity of Real-Time Simulation in Reinforcement Learning for Robot Manipulationcited by 2
- 2024Reinforcement Learning with Elastic Time Stepscited by 2
- 2024Pausing Policy Learning in Non-stationary Reinforcement Learningcited by 2
- 2024Sim-to-Real Transfer of Deep Reinforcement Learning Agents for Online Coverage Path Planningcited by 2
- 2026Finding the Time to Think: Learning Planning Budgets in Real-Time RLcited by 2
- 2022REPTILE: A Proactive Real-Time Deep Reinforcement Learning Self-adaptive Frameworkcited by 1
- 2022Off-Beat Multi-Agent Reinforcement Learningcited by 1
- 2022Temporally Layered Architecture for Adaptive, Distributed and Continuous Controlcited by 1
- 2024Control in Stochastic Environment with Delays: A Model-based Reinforcement Learning Approachcited by 1
- 2026Reinforcement Learning for Control Systems with Time Delays: A Comprehensive Surveycited by 1
- 2026Physical Atari: A Robust and Accessible Platform for Real-time Reinforcement Learning on Robotscited by 1
- 2022Machine Learning based Anomaly Detection for Smart Shirt: A Systematic Reviewcited by 0
- 2024A comparison of RL-based and PID controllers for 6-DOF swimming robots: hybrid underwater object trackingcited by 0
- 2024A Survey on Applications of Reinforcement Learning in Spatial Resource Allocationcited by 0
- 2024On-policy Actor-Critic Reinforcement Learning for Multi-UAV Explorationcited by 0
- 2025RT-HCP: Dealing with Inference Delays and Sample Efficiency to Learn Directly on Robotic Platformscited by 0
- 2025A Survey of Freshness-Aware Wireless Networking with Reinforcement Learningcited by 0
- 2026Towards Near-Real-Time Telemetry-Aware Routing with Neural Routing Algorithmscited by 0
- 2026Fast and Highly Expressive Policy Learning for Offline Reinforcement Learning via Bootstrapped Flow Q-Learningcited by 0
- 2026Temporal Self-Imitation Learningcited by 0
- 2026Think at 5 Hz, Act at 20 Hz: Asynchronous Fast-Slow Vision-Language-Action Inference for Closed-Loop Drivingcited by 0
- 2026RTNav: Towards Real-Time Zero-Shot Object Navigationcited by 0
- 2026GzDRL: Reproducible and Scalable Deep Reinforcement Learning with Gazebocited by 0
- 2026StreamDecisionBench: Evaluating Decisions in Force on Evolving Language Streamscited by 0
- 2026StreamDecisionBench: Evaluating Decisions in Force on Evolving Language Streams29 Sep 2026
- 2026GzDRL: Reproducible and Scalable Deep Reinforcement Learning with Gazebo3 Sep 2026
- 2026RTNav: Towards Real-Time Zero-Shot Object Navigation27 Aug 2026
- 2026Think at 5 Hz, Act at 20 Hz: Asynchronous Fast-Slow Vision-Language-Action Inference for Closed-Loop Driving17 Jul 2026
- 2026Finding the Time to Think: Learning Planning Budgets in Real-Time RL24 Jun 2026
- 2026Temporal Self-Imitation Learning18 Jun 2026
- 2026Fast and Highly Expressive Policy Learning for Offline Reinforcement Learning via Bootstrapped Flow Q-Learning9 Jun 2026
- 2026Physical Atari: A Robust and Accessible Platform for Real-time Reinforcement Learning on Robots29 May 2026
- 2026Towards Near-Real-Time Telemetry-Aware Routing with Neural Routing Algorithms3 Apr 2026
- 2026Reinforcement Learning for Control Systems with Time Delays: A Comprehensive Survey30 Jan 2026
- 2025A Survey of Freshness-Aware Wireless Networking with Reinforcement Learning24 Dec 2025
- 2025RT-HCP: Dealing with Inference Delays and Sample Efficiency to Learn Directly on Robotic Platforms8 Sep 2025
26 more
- 2025One-Step Flow Q-Learning: Addressing the Diffusion Policy Bottleneck in Offline Reinforcement Learning19 Aug 2025
- 2024Enabling Realtime Reinforcement Learning at Scale with Staggered Asynchronous Inference18 Dec 2024
- 2024Action Gaps and Advantages in Continuous-Time Distributional Reinforcement Learning14 Oct 2024
- 2024On-policy Actor-Critic Reinforcement Learning for Multi-UAV Exploration17 Sep 2024
- 2024Sim-to-Real Transfer of Deep Reinforcement Learning Agents for Online Coverage Path Planning7 Jun 2024
- 2024DEER: A Delay-Resilient Framework for Reinforcement Learning with Variable Delays5 Jun 2024
- 2024Pausing Policy Learning in Non-stationary Reinforcement Learning25 May 2024
- 2024A Survey on Applications of Reinforcement Learning in Spatial Resource Allocation6 Mar 2024
- 2024Reinforcement Learning with Elastic Time Steps22 Feb 2024
- 2024Control in Stochastic Environment with Delays: A Model-based Reinforcement Learning Approach1 Feb 2024
- 2024A comparison of RL-based and PID controllers for 6-DOF swimming robots: hybrid underwater object tracking29 Jan 2024
- 2024Deployable Reinforcement Learning with Variable Control Rate17 Jan 2024
- 2023R^3: On-device Real-Time Deep Reinforcement Learning for Autonomous Robotics29 Aug 2023
- 2023DiAReL: Reinforcement Learning with Disturbance Awareness for Robust Sim2Real Policy Transfer in Robot Control15 Jun 2023
- 2023Reducing the Cost of Cycle-Time Tuning for Real-World Policy Optimization9 May 2023
- 2023Facilitating Sim-to-real by Intrinsic Stochasticity of Real-Time Simulation in Reinforcement Learning for Robot Manipulation12 Apr 2023
- 2022Temporally Layered Architecture for Adaptive, Distributed and Continuous Control25 Dec 2022
- 2022Real-Time Reinforcement Learning for Vision-Based Robotics Utilizing Local and Remote Computers5 Oct 2022
- 2022Off-Beat Multi-Agent Reinforcement Learning27 May 2022
- 2022REPTILE: A Proactive Real-Time Deep Reinforcement Learning Self-adaptive Framework28 Mar 2022
- 2022Machine Learning based Anomaly Detection for Smart Shirt: A Systematic Review7 Mar 2022
- 2021What Robot do I Need? Fast Co-Adaptation of Morphology and Control using Graph Neural Networks3 Nov 2021
- 2021Vision-Guided Quadrupedal Locomotion in the Wild with Multi-Modal Delay Randomization29 Sep 2021
- 2021Revisiting State Augmentation methods for Reinforcement Learning with Stochastic Delays17 Aug 2021
- 2021Chanakya: Learning Runtime Decisions for Adaptive Real-Time Perception10 Jun 2021
- 2021Acting in Delayed Environments with Non-Stationary Markov Policies28 Jan 2021
- 2021Acting in Delayed Environments with Non-Stationary Markov Policiescited by 28
- 2021Revisiting State Augmentation methods for Reinforcement Learning with Stochastic Delayscited by 20
- 2021Vision-Guided Quadrupedal Locomotion in the Wild with Multi-Modal Delay Randomizationcited by 18
- 2022Real-Time Reinforcement Learning for Vision-Based Robotics Utilizing Local and Remote Computerscited by 13
- 2024Action Gaps and Advantages in Continuous-Time Distributional Reinforcement Learningcited by 7
- 2024Enabling Realtime Reinforcement Learning at Scale with Staggered Asynchronous Inferencecited by 7
- 2024DEER: A Delay-Resilient Framework for Reinforcement Learning with Variable Delayscited by 6
- 2021Chanakya: Learning Runtime Decisions for Adaptive Real-Time Perceptioncited by 5
- 2023Reducing the Cost of Cycle-Time Tuning for Real-World Policy Optimizationcited by 4
- 2023DiAReL: Reinforcement Learning with Disturbance Awareness for Robust Sim2Real Policy Transfer in Robot Controlcited by 4
- 2023R^3: On-device Real-Time Deep Reinforcement Learning for Autonomous Roboticscited by 4
- 2024Deployable Reinforcement Learning with Variable Control Ratecited by 4
12 most cited of 34 All 34 (JSON)
- 2026StreamDecisionBench: Evaluating Decisions in Force on Evolving Language Streams29 Sep 2026
- 2026GzDRL: Reproducible and Scalable Deep Reinforcement Learning with Gazebo3 Sep 2026
- 2026RTNav: Towards Real-Time Zero-Shot Object Navigation27 Aug 2026
- 2026Finding the Time to Think: Learning Planning Budgets in Real-Time RL24 Jun 2026
- 2026Physical Atari: A Robust and Accessible Platform for Real-time Reinforcement Learning on Robots29 May 2026
- 2026Towards Near-Real-Time Telemetry-Aware Routing with Neural Routing Algorithms3 Apr 2026
- 2026Reinforcement Learning for Control Systems with Time Delays: A Comprehensive Survey30 Jan 2026
- 2025A Survey of Freshness-Aware Wireless Networking with Reinforcement Learning24 Dec 2025
- 2025RT-HCP: Dealing with Inference Delays and Sample Efficiency to Learn Directly on Robotic Platforms8 Sep 2025
- 2024Enabling Realtime Reinforcement Learning at Scale with Staggered Asynchronous Inference18 Dec 2024
- 2024Action Gaps and Advantages in Continuous-Time Distributional Reinforcement Learning14 Oct 2024
- 2024On-policy Actor-Critic Reinforcement Learning for Multi-UAV Exploration17 Sep 2024
12 newest of 34 All 34 (JSON)