ImitationFlow: Learning Deep Stable Stochastic Dynamic Systems by Normalizing Flows
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Abstract (arXiv)
We introduce ImitationFlow, a novel Deep generative model that allows learning complex globally stable, stochastic, nonlinear dynamics. Our approach extends the Normalizing Flows framework to learn stable Stochastic Differential Equations. We prove the Lyapunov stability for a class of Stochastic Differential Equations and we propose a learning algorithm to learn them from a set of demonstrated trajectories. Our model extends the set of stable dynamical systems that can be represented by state-of-the-art approaches, eliminates the Gaussian assumption on the demonstrations, and outperforms the previous algorithms in terms of representation accuracy. We show the effectiveness of our method with both standard datasets and a real robot experiment.
Key facts. Cited by 33 papers in the map (data through 7 Oct 2026). First posted on arXiv 25 Oct 2020.
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Citing papers per year: 2021: 4; 2022: 6; 2023: 4; 2024: 8; 2025: 8; 2026: 3.
33 papers.
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- 2022SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusioncited by 125
- 2024Riemannian Flow Matching Policy for Robot Motion Learningcited by 61
- 2024Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrationscited by 35
- 2022ProDMPs: A Unified Perspective on Dynamic and Probabilistic Movement Primitivescited by 25
- 2022Learning Implicit Priors for Motion Optimizationcited by 20
- 2024Fast and Robust Visuomotor Riemannian Flow Matching Policycited by 18
- 2022Learning Riemannian Stable Dynamical Systems via Diffeomorphismscited by 17
- 2021Composable Energy Policies for Reactive Motion Generation and Reinforcement Learningcited by 16
- 2024Neural Contractive Dynamical Systemscited by 14
- 2021Learning Stable Vector Fields on Lie Groupscited by 12
- 2022Continual Learning from Demonstration of Robotics Skillscited by 11
- 2024Learning Neural Contracting Dynamics: Extended Linearization and Global Guaranteescited by 11
21 more
- 2021Robot Skill Adaptation via Soft Actor-Critic Gaussian Mixture Modelscited by 9
- 2021RMP2: A Structured Composable Policy Class for Robot Learningcited by 8
- 2023Scalable and Efficient Continual Learning from Demonstration via a Hypernetwork-generated Stable Dynamics Modelcited by 6
- 2023PUMA: Deep Metric Imitation Learning for Stable Motion Primitivescited by 3
- 2024Fusion Dynamical Systems with Machine Learning in Imitation Learning: A Comprehensive Overviewcited by 3
- 2022Learning Stabilizable Deep Dynamics Modelscited by 2
- 2023Effect of Optimizer, Initializer, and Architecture of Hypernetworks on Continual Learning from Demonstrationcited by 2
- 2023Learning Orbitally Stable Systems for Diagrammatically Teachingcited by 1
- 2024Extended Neural Contractive Dynamical Systems: On Multiple Tasks and Riemannian Safety Regionscited by 1
- 2025Data-driven identification of nonlinear dynamical systems with LSTM autoencoders and Normalizing Flowscited by 1
- 2025Diffeomorphic Obstacle Avoidance for Contractive Dynamical Systems via Implicit Representationscited by 1
- 2025Robustly Invertible Nonlinear Dynamics and the BiLipREN: Contracting Neural Models with Contracting Inversescited by 1
- 2025KoopMotion: Learning Almost Divergence Free Koopman Flow Fields for Motion Planningcited by 1
- 2026Training-free score-based diffusion for parameter-dependent stochastic dynamical systemscited by 1
- 2024Imitation Learning-based Direct Visual Servoing using the Large Projection Formulationcited by 0
- 2025TamedPUMA: safe and stable imitation learning with geometric fabricscited by 0
- 2025Decision Flow Policy Optimizationcited by 0
- 2025A Robust Task-Level Control Architecture for Learned Dynamical Systemscited by 0
- 2025LILAD: Learning In-context Lyapunov-stable Adaptive Dynamics Modelscited by 0
- 2026Let the Dynamics Flow: Stable Flow Matching Dynamical Systemscited by 0
- 2026Robustly Invertible Nonlinear Dynamics and the BiLipREN: From Inversion-Based Control to Generative Trajectory Modellingcited by 0
- 2026Robustly Invertible Nonlinear Dynamics and the BiLipREN: From Inversion-Based Control to Generative Trajectory Modelling10 Jul 2026
- 2026Let the Dynamics Flow: Stable Flow Matching Dynamical Systems2 Jun 2026
- 2026Training-free score-based diffusion for parameter-dependent stochastic dynamical systems2 Feb 2026
- 2025LILAD: Learning In-context Lyapunov-stable Adaptive Dynamics Models26 Nov 2025
- 2025A Robust Task-Level Control Architecture for Learned Dynamical Systems12 Nov 2025
- 2025KoopMotion: Learning Almost Divergence Free Koopman Flow Fields for Motion Planning11 Sep 2025
- 2025Decision Flow Policy Optimization26 May 2025
- 2025Robustly Invertible Nonlinear Dynamics and the BiLipREN: Contracting Neural Models with Contracting Inverses5 May 2025
- 2025Diffeomorphic Obstacle Avoidance for Contractive Dynamical Systems via Implicit Representations26 Apr 2025
- 2025TamedPUMA: safe and stable imitation learning with geometric fabrics21 Mar 2025
- 2025Data-driven identification of nonlinear dynamical systems with LSTM autoencoders and Normalizing Flows5 Mar 2025
- 2024Fast and Robust Visuomotor Riemannian Flow Matching Policy14 Dec 2024
21 more
- 2024Extended Neural Contractive Dynamical Systems: On Multiple Tasks and Riemannian Safety Regions18 Nov 2024
- 2024Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrations8 Aug 2024
- 2024Imitation Learning-based Direct Visual Servoing using the Large Projection Formulation13 Jun 2024
- 2024Fusion Dynamical Systems with Machine Learning in Imitation Learning: A Comprehensive Overview29 Mar 2024
- 2024Riemannian Flow Matching Policy for Robot Motion Learning15 Mar 2024
- 2024Learning Neural Contracting Dynamics: Extended Linearization and Global Guarantees12 Feb 2024
- 2024Neural Contractive Dynamical Systems17 Jan 2024
- 2023Effect of Optimizer, Initializer, and Architecture of Hypernetworks on Continual Learning from Demonstration31 Dec 2023
- 2023Scalable and Efficient Continual Learning from Demonstration via a Hypernetwork-generated Stable Dynamics Model6 Nov 2023
- 2023PUMA: Deep Metric Imitation Learning for Stable Motion Primitives19 Oct 2023
- 2023Learning Orbitally Stable Systems for Diagrammatically Teaching19 Sep 2023
- 2022Learning Riemannian Stable Dynamical Systems via Diffeomorphisms6 Nov 2022
- 2022ProDMPs: A Unified Perspective on Dynamic and Probabilistic Movement Primitives4 Oct 2022
- 2022SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusion8 Sep 2022
- 2022Learning Implicit Priors for Motion Optimization11 Apr 2022
- 2022Learning Stabilizable Deep Dynamics Models18 Mar 2022
- 2022Continual Learning from Demonstration of Robotics Skills14 Feb 2022
- 2021Robot Skill Adaptation via Soft Actor-Critic Gaussian Mixture Models25 Nov 2021
- 2021Learning Stable Vector Fields on Lie Groups22 Oct 2021
- 2021Composable Energy Policies for Reactive Motion Generation and Reinforcement Learning11 May 2021
- 2021RMP2: A Structured Composable Policy Class for Robot Learning10 Mar 2021
- 2024Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrationscited by 35
- 2022Continual Learning from Demonstration of Robotics Skillscited by 11
- 2023Scalable and Efficient Continual Learning from Demonstration via a Hypernetwork-generated Stable Dynamics Modelcited by 6
- 2023PUMA: Deep Metric Imitation Learning for Stable Motion Primitivescited by 3
- 2024Fusion Dynamical Systems with Machine Learning in Imitation Learning: A Comprehensive Overviewcited by 3
- 2023Effect of Optimizer, Initializer, and Architecture of Hypernetworks on Continual Learning from Demonstrationcited by 2
- 2024Imitation Learning-based Direct Visual Servoing using the Large Projection Formulationcited by 0
- 2025TamedPUMA: safe and stable imitation learning with geometric fabricscited by 0
- 2025Decision Flow Policy Optimizationcited by 0
- 2025A Robust Task-Level Control Architecture for Learned Dynamical Systemscited by 0
- 2025A Robust Task-Level Control Architecture for Learned Dynamical Systems12 Nov 2025
- 2025Decision Flow Policy Optimization26 May 2025
- 2025TamedPUMA: safe and stable imitation learning with geometric fabrics21 Mar 2025
- 2024Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrations8 Aug 2024
- 2024Imitation Learning-based Direct Visual Servoing using the Large Projection Formulation13 Jun 2024
- 2024Fusion Dynamical Systems with Machine Learning in Imitation Learning: A Comprehensive Overview29 Mar 2024
- 2023Effect of Optimizer, Initializer, and Architecture of Hypernetworks on Continual Learning from Demonstration31 Dec 2023
- 2023Scalable and Efficient Continual Learning from Demonstration via a Hypernetwork-generated Stable Dynamics Model6 Nov 2023
- 2023PUMA: Deep Metric Imitation Learning for Stable Motion Primitives19 Oct 2023
- 2022Continual Learning from Demonstration of Robotics Skills14 Feb 2022
- 2022SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusioncited by 125
- 2024Riemannian Flow Matching Policy for Robot Motion Learningcited by 61
- 2024Fast and Robust Visuomotor Riemannian Flow Matching Policycited by 18
- 2026Let the Dynamics Flow: Stable Flow Matching Dynamical Systemscited by 0
- 2026Let the Dynamics Flow: Stable Flow Matching Dynamical Systems2 Jun 2026
- 2024Fast and Robust Visuomotor Riemannian Flow Matching Policy14 Dec 2024
- 2024Riemannian Flow Matching Policy for Robot Motion Learning15 Mar 2024
- 2022SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusion8 Sep 2022
- 2022ProDMPs: A Unified Perspective on Dynamic and Probabilistic Movement Primitivescited by 25
- 2022Learning Implicit Priors for Motion Optimizationcited by 20
- 2022Learning Riemannian Stable Dynamical Systems via Diffeomorphismscited by 17
- 2021Composable Energy Policies for Reactive Motion Generation and Reinforcement Learningcited by 16
- 2024Neural Contractive Dynamical Systemscited by 14
- 2021Learning Stable Vector Fields on Lie Groupscited by 12
- 2024Learning Neural Contracting Dynamics: Extended Linearization and Global Guaranteescited by 11
- 2021Robot Skill Adaptation via Soft Actor-Critic Gaussian Mixture Modelscited by 9
- 2021RMP2: A Structured Composable Policy Class for Robot Learningcited by 8
- 2022Learning Stabilizable Deep Dynamics Modelscited by 2
- 2023Learning Orbitally Stable Systems for Diagrammatically Teachingcited by 1
- 2024Extended Neural Contractive Dynamical Systems: On Multiple Tasks and Riemannian Safety Regionscited by 1
12 most cited of 19 All 19 (JSON)
- 2026Robustly Invertible Nonlinear Dynamics and the BiLipREN: From Inversion-Based Control to Generative Trajectory Modelling10 Jul 2026
- 2026Training-free score-based diffusion for parameter-dependent stochastic dynamical systems2 Feb 2026
- 2025LILAD: Learning In-context Lyapunov-stable Adaptive Dynamics Models26 Nov 2025
- 2025KoopMotion: Learning Almost Divergence Free Koopman Flow Fields for Motion Planning11 Sep 2025
- 2025Robustly Invertible Nonlinear Dynamics and the BiLipREN: Contracting Neural Models with Contracting Inverses5 May 2025
- 2025Diffeomorphic Obstacle Avoidance for Contractive Dynamical Systems via Implicit Representations26 Apr 2025
- 2025Data-driven identification of nonlinear dynamical systems with LSTM autoencoders and Normalizing Flows5 Mar 2025
- 2024Extended Neural Contractive Dynamical Systems: On Multiple Tasks and Riemannian Safety Regions18 Nov 2024
- 2024Learning Neural Contracting Dynamics: Extended Linearization and Global Guarantees12 Feb 2024
- 2024Neural Contractive Dynamical Systems17 Jan 2024
- 2023Learning Orbitally Stable Systems for Diagrammatically Teaching19 Sep 2023
- 2022Learning Riemannian Stable Dynamical Systems via Diffeomorphisms6 Nov 2022
12 newest of 19 All 19 (JSON)