Walk These Ways: Tuning Robot Control for Generalization with Multiplicity of Behavior
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Abstract (arXiv)
Learned locomotion policies can rapidly adapt to diverse environments similar to those experienced during training but lack a mechanism for fast tuning when they fail in an out-of-distribution test environment. This necessitates a slow and iterative cycle of reward and environment redesign to achieve good performance on a new task. As an alternative, we propose learning a single policy that encodes a structured family of locomotion strategies that solve training tasks in different ways, resulting in Multiplicity of Behavior (MoB). Different strategies generalize differently and can be chosen in real-time for new tasks or environments, bypassing the need for time-consuming retraining. We release a fast, robust open-source MoB locomotion controller, Walk These Ways, that can execute diverse gaits with variable footswing, posture, and speed, unlocking diverse downstream tasks: crouching, hopping, high-speed running, stair traversal, bracing against shoves, rhythmic dance, and more. Video and code release: https://gmargo11.github.io/walk-these-ways/
Key facts. Cited by 113 papers in the map (data through 7 Oct 2026). Builds on 24 of its 29 references that are in the map. First posted on arXiv 6 Dec 2022.
Builds on
24 of 29 references.
References · 24
- 2017Proximal Policy Optimization Algorithmscited by 14,441
- 2021Isaac Gym: High Performance GPU-Based Physics Simulation For Robot Learningcited by 882
- 2018Diversity is All You Need: Learning Skills without a Reward Functioncited by 734
- 2020Learning Quadrupedal Locomotion over Challenging Terraincited by 494
- 2021RMA: Rapid Motor Adaptation for Legged Robotscited by 430
- 2015Illuminating search spaces by mapping elitescited by 406
- 2019Learning agile and dynamic motor skills for legged robotscited by 402
- 2021Learning to Walk in Minutes Using Massively Parallel Deep Reinforcement Learningcited by 395
- 2014Robots that can adapt like animalscited by 203
- 2022Rapid Locomotion via Reinforcement Learningcited by 130
- 2021Reinforcement Learning for Robust Parameterized Locomotion Control of Bipedal Robotscited by 95
- 2020One Solution is Not All You Need: Few-Shot Extrapolation via Structured MaxEnt RLcited by 79
12 more
- 2020Sim-to-Real Learning of All Common Bipedal Gaits via Periodic Reward Compositioncited by 71
- 2021Minimizing Energy Consumption Leads to the Emergence of Gaits in Legged Robotscited by 67
- 2022Concurrent Training of a Control Policy and a State Estimator for Dynamic and Robust Legged Locomotioncited by 61
- 2021Fast and Efficient Locomotion via Learned Gait Transitionscited by 50
- 2019Highly Dynamic Quadruped Locomotion via Whole-Body Impulse Control and Model Predictive Controlcited by 43
- 2021Learning to Jump from Pixelscited by 39
- 2022Redeeming Intrinsic Rewards via Constrained Optimizationcited by 24
- 2022Learning Free Gait Transition for Quadruped Robots via Phase-Guided Controllercited by 23
- 2022Advanced Skills through Multiple Adversarial Motion Priors in Reinforcement Learningcited by 23
- 2021Dynamics-Aware Quality-Diversity for Efficient Learning of Skill Repertoirescited by 20
- 2021Learning a subspace of policies for online adaptation in Reinforcement Learningcited by 14
- 2022Sim-to-Real Learning of Footstep-Constrained Bipedal Dynamic Walkingcited by 8
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Citing papers per year: 2023: 19; 2024: 33; 2025: 39; 2026: 22.
113 papers.
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- 2024Deep Reinforcement Learning for Robotics: A Survey of Real-World Successescited by 153
- 2025Time-R1: Post-Training Large Vision Language Model for Temporal Video Groundingcited by 138
- 2025BeyondMimic: From Motion Tracking to Versatile Humanoid Control via Guided Diffusioncited by 128
- 2023Learning Agile Soccer Skills for a Bipedal Robot with Deep Reinforcement Learningcited by 111
- 2024DrEureka: Language Model Guided Sim-To-Real Transfercited by 78
- 2025HOMIE: Humanoid Loco-Manipulation with Isomorphic Exoskeleton Cockpitcited by 65
- 2024Reinforcement Learning for Versatile, Dynamic, and Robust Bipedal Locomotion Controlcited by 63
- 2024Visual Whole-Body Control for Legged Loco-Manipulationcited by 58
- 2023QUAR-VLA: Vision-Language-Action Model for Quadruped Robotscited by 55
- 2025AMO: Adaptive Motion Optimization for Hyper-Dexterous Humanoid Whole-Body Controlcited by 47
- 2024Mobile-TeleVision: Predictive Motion Priors for Humanoid Whole-Body Controlcited by 41
- 2023Dexterous Functional Graspingcited by 36
38 more
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- 2023DribbleBot: Dynamic Legged Manipulation in the Wildcited by 33
- 2025BeamDojo: Learning Agile Humanoid Locomotion on Sparse Footholdscited by 32
- 2023Hybrid Internal Model: Learning Agile Legged Locomotion with Simulated Robot Responsecited by 31
- 2024GeRM: A Generalist Robotic Model with Mixture-of-experts for Quadruped Robotcited by 28
- 2025RSL-RL: A Learning Library for Robotics Researchcited by 28
- 2023Robust and Versatile Bipedal Jumping Control through Reinforcement Learningcited by 27
- 2025MoRE: Unlocking Scalability in Reinforcement Learning for Quadruped Vision-Language-Action Modelscited by 27
- 2023Uni-O4: Unifying Online and Offline Deep Reinforcement Learning with Multi-Step On-Policy Optimizationcited by 23
- 2024Learning Force Control for Legged Manipulationcited by 19
- 2023AdaptSim: Task-Driven Simulation Adaptation for Sim-to-Real Transfercited by 17
- 2024Commonsense Reasoning for Legged Robot Adaptation with Vision-Language Modelscited by 15
- 2023RL + Model-based Control: Using On-demand Optimal Control to Learn Versatile Legged Locomotioncited by 14
- 2025LocoFormer: Generalist Locomotion via Long-context Adaptationcited by 14
- 2024Quality-Diversity Actor-Critic: Learning High-Performing and Diverse Behaviors via Value and Successor Features Criticscited by 13
- 2024Make-An-Agent: A Generalizable Policy Network Generator with Behavior-Prompted Diffusioncited by 12
- 2024RobotKeyframing: Learning Locomotion with High-Level Objectives via Mixture of Dense and Sparse Rewardscited by 12
- 2025Towards Embodiment Scaling Laws in Robot Locomotioncited by 12
- 2026VLANeXt: Recipes for Building Strong VLA Modelscited by 12
- 2024Stage-Wise Reward Shaping for Acrobatic Robots: A Constrained Multi-Objective Reinforcement Learning Approachcited by 10
- 2025A Unified and General Humanoid Whole-Body Controller for Versatile Locomotioncited by 10
- 2024Learning Multi-Agent Loco-Manipulation for Long-Horizon Quadrupedal Pushingcited by 9
- 2023Learning to See Physical Properties with Active Sensing Motor Policiescited by 7
- 2024Robust Robot Walker: Learning Agile Locomotion over Tiny Trapscited by 7
- 2024Preference Aligned Diffusion Planner for Quadrupedal Locomotion Controlcited by 7
- 2025Humanoid Whole-Body Locomotion on Narrow Terrain via Dynamic Balance and Reinforcement Learningcited by 7
- 2025SoftMimic: Learning Compliant Whole-body Control from Examplescited by 7
- 2023DecAP: Decaying Action Priors for Accelerated Imitation Learning of Torque-Based Legged Locomotion Policiescited by 6
- 2024Automatic Environment Shaping is the Next Frontier in RLcited by 6
- 2024PIP-Loco: A Proprioceptive Infinite Horizon Planning Framework for Quadrupedal Robot Locomotioncited by 6
- 2024ORSO: Accelerating Reward Design via Online Reward Selection and Policy Optimizationcited by 6
- 2023Puppeteer and Marionette: Learning Anticipatory Quadrupedal Locomotion Based on Interactions of a Central Pattern Generator and Supraspinal Drivecited by 5
- 2023Value Functions are Control Barrier Functions: Verification of Safe Policies using Control Theorycited by 5
- 2024Versatile Navigation under Partial Observability via Value-guided Diffusion Policycited by 5
- 2024Whole-body End-Effector Pose Trackingcited by 5
- 2025Ego-Vision World Model for Humanoid Contact Planningcited by 5
- 2023Fully Spiking Neural Network for Legged Robotscited by 4
- 2024Dexterous Legged Locomotion in Confined 3D Spaces with Reinforcement Learningcited by 4
50 most cited of 113 All 113 (JSON)
- 2026PROMO: Preference-conditioned Multi-Objective Reinforcement Learning for Quadrupedal Robots1 Oct 2026
- 2026Accelerating Visual Policy Learning with Sampling-Based Model Predictive Control17 Sep 2026
- 2026OmniMimic: Dynamics-completed Motion Augmentation for Multi-style Omnidirectional Quadruped Locomotion17 Sep 2026
- 2026Seven Sources of Physical AI Capability Formation9 Sep 2026
- 2026DECOWAM: Decoupled Whole-Body World-Action Model for Legged Mobile Manipulation20 Aug 2026
- 2026Weights or Skills? A Survey of Robot-Learning Techniques: from Action-Predicting Weights to Robots that Write their Own Skills3 Aug 2026
- 2026When Is a Learned Command Adapter Worth It? Closed-Loop Identification and Counterfactual Auditing of Frozen Locomotion Policies23 Jul 2026
- 2026Towards Torque-Driven Reinforcement Learning for Quadruped Locomotion20 Jul 2026
- 2026Isaac Sim-to-Real: Reinforcement Learning based Locomotion for Quadrupeds20 Jul 2026
- 2026A Single Diffusion-Policy Controller for Multi-Task Block Pushing with Zero-Shot Sim-to-Real Transfer12 Jul 2026
- 2026Behavior Foundations for Quadruped Robots: ABot-C0 Technical Report8 Jul 2026
- 2026LoComposition: Terrain-Adaptive Energy-Efficient Quadruped Locomotion without Gait Priors14 Jun 2026
38 more
- 2026Stochastic MeanFlow Policies: One-Step Generative Control with Entropic Mirror Descent20 May 2026
- 2026ARC-RL: A Reinforcement Learning Playground Inspired by ARC Raiders19 May 2026
- 2026Learning Dynamic Pick-and-Place for a Legged Manipulator15 May 2026
- 2026Energy-Efficient Quadruped Locomotion with Compliant Feet14 May 2026
- 2026Constraint-Aware Diffusion Priors for High-Fidelity and Versatile Quadruped Locomotion9 May 2026
- 2026Beyond Coefficients: Forecast-Necessity Testing for Interpretable Causal Discovery in Nonlinear Time-Series Models20 Apr 2026
- 2026SCDP: Learning Humanoid Locomotion from Partial Observations via Mixed-Observation Distillation10 Mar 2026
- 2026VLANeXt: Recipes for Building Strong VLA Models20 Feb 2026
- 2026Learning Human-Like Badminton Skills for Humanoid Robots9 Feb 2026
- 2026CMR: Contractive Mapping Embeddings for Robust Humanoid Locomotion on Unstructured Terrains3 Feb 2026
- 2025Real-Time Gait Adaptation for Quadrupeds using Model Predictive Control and Reinforcement Learning23 Oct 2025
- 2025PGTT: Phase-Guided Terrain Traversal for Perceptive Legged Locomotion21 Oct 2025
- 2025SoftMimic: Learning Compliant Whole-body Control from Examples20 Oct 2025
- 2025Ego-Vision World Model for Humanoid Contact Planning13 Oct 2025
- 2025LocoFormer: Generalist Locomotion via Long-context Adaptation28 Sep 2025
- 2025RobotDancing: Residual-Action Reinforcement Learning Enables Robust Long-Horizon Humanoid Motion Tracking25 Sep 2025
- 2025Learning Terrain-Specialized Policies for Adaptive Locomotion in Challenging Environments25 Sep 2025
- 2025RSL-RL: A Learning Library for Robotics Research13 Sep 2025
- 2025Learning to Walk With Less: A Dyna-Style Approach to Quadrupedal Locomotion8 Sep 2025
- 2025Multi-Embodiment Locomotion at Scale with extreme Embodiment Randomization2 Sep 2025
- 2025First Order Model-Based RL through Decoupled Backpropagation29 Aug 2025
- 2025MASH: Cooperative-Heterogeneous Multi-Agent Reinforcement Learning for Single Humanoid Robot Locomotion14 Aug 2025
- 2025BeyondMimic: From Motion Tracking to Versatile Humanoid Control via Guided Diffusion11 Aug 2025
- 2025Safety-Aware Imitation Learning via MPC-Guided Disturbance Injection5 Aug 2025
- 2025Bipedalism for Quadrupedal Robots: Versatile Loco-Manipulation through Risk-Adaptive Reinforcement Learning27 Jul 2025
- 2025Shared Control of Holonomic Wheelchairs through Reinforcement Learning22 Jul 2025
- 2025Integrating Diffusion-based Multi-task Learning with Online Reinforcement Learning for Robust Quadruped Robot Control8 Jul 2025
- 2025Toward Real-World Cooperative and Competitive Soccer with Quadrupedal Robot Teams20 May 2025
- 2025Towards Embodiment Scaling Laws in Robot Locomotion9 May 2025
- 2025AMO: Adaptive Motion Optimization for Hyper-Dexterous Humanoid Whole-Body Control6 May 2025
- 2025Robust Localization, Mapping, and Navigation for Quadruped Robots4 May 2025
- 2025MULE: Multi-terrain and Unknown Load Adaptation for Effective Quadrupedal Locomotion1 May 2025
- 2025Unreal Robotics Lab: A High-Fidelity Robotics Simulator with Advanced Physics and Rendering19 Apr 2025
- 2025TAR: Teacher-Aligned Representations via Contrastive Learning for Quadrupedal Locomotion26 Mar 2025
- 2025Parental Guidance: Efficient Lifelong Learning through Evolutionary Distillation24 Mar 2025
- 2025Transferable Latent-to-Latent Locomotion Policy for Efficient and Versatile Motion Control of Diverse Legged Robots22 Mar 2025
- 2025Time-R1: Post-Training Large Vision Language Model for Temporal Video Grounding17 Mar 2025
- 2025Bio-Inspired Plastic Neural Networks for Zero-Shot Out-of-Distribution Generalization in Complex Animal-Inspired Robots16 Mar 2025
50 newest of 113 All 113 (JSON)
- 2025BeyondMimic: From Motion Tracking to Versatile Humanoid Control via Guided Diffusioncited by 128
- 2024Preference Aligned Diffusion Planner for Quadrupedal Locomotion Controlcited by 7
- 2024Versatile Navigation under Partial Observability via Value-guided Diffusion Policycited by 5
- 2025Integrating Diffusion-based Multi-task Learning with Online Reinforcement Learning for Robust Quadruped Robot Controlcited by 3
- 2026Constraint-Aware Diffusion Priors for High-Fidelity and Versatile Quadruped Locomotioncited by 1
- 2026SCDP: Learning Humanoid Locomotion from Partial Observations via Mixed-Observation Distillationcited by 0
- 2026A Single Diffusion-Policy Controller for Multi-Task Block Pushing with Zero-Shot Sim-to-Real Transfercited by 0
- 2026A Single Diffusion-Policy Controller for Multi-Task Block Pushing with Zero-Shot Sim-to-Real Transfer12 Jul 2026
- 2026Constraint-Aware Diffusion Priors for High-Fidelity and Versatile Quadruped Locomotion9 May 2026
- 2026SCDP: Learning Humanoid Locomotion from Partial Observations via Mixed-Observation Distillation10 Mar 2026
- 2025BeyondMimic: From Motion Tracking to Versatile Humanoid Control via Guided Diffusion11 Aug 2025
- 2025Integrating Diffusion-based Multi-task Learning with Online Reinforcement Learning for Robust Quadruped Robot Control8 Jul 2025
- 2024Preference Aligned Diffusion Planner for Quadrupedal Locomotion Control17 Oct 2024
- 2024Versatile Navigation under Partial Observability via Value-guided Diffusion Policy1 Apr 2024
- 2023Uni-O4: Unifying Online and Offline Deep Reinforcement Learning with Multi-Step On-Policy Optimizationcited by 23
- 2023DecAP: Decaying Action Priors for Accelerated Imitation Learning of Torque-Based Legged Locomotion Policiescited by 6
- 2023A Real-World Quadrupedal Locomotion Benchmark for Offline Reinforcement Learningcited by 2
- 2025Safety-Aware Imitation Learning via MPC-Guided Disturbance Injectioncited by 0
- 2025Safety-Aware Imitation Learning via MPC-Guided Disturbance Injection5 Aug 2025
- 2023Uni-O4: Unifying Online and Offline Deep Reinforcement Learning with Multi-Step On-Policy Optimization6 Nov 2023
- 2023DecAP: Decaying Action Priors for Accelerated Imitation Learning of Torque-Based Legged Locomotion Policies9 Oct 2023
- 2023A Real-World Quadrupedal Locomotion Benchmark for Offline Reinforcement Learning13 Sep 2023
- 2024Deep Reinforcement Learning for Robotics: A Survey of Real-World Successescited by 153
- 2023Learning Agile Soccer Skills for a Bipedal Robot with Deep Reinforcement Learningcited by 111
- 2024DrEureka: Language Model Guided Sim-To-Real Transfercited by 78
- 2025HOMIE: Humanoid Loco-Manipulation with Isomorphic Exoskeleton Cockpitcited by 65
- 2024Reinforcement Learning for Versatile, Dynamic, and Robust Bipedal Locomotion Controlcited by 63
- 2024Visual Whole-Body Control for Legged Loco-Manipulationcited by 58
- 2025AMO: Adaptive Motion Optimization for Hyper-Dexterous Humanoid Whole-Body Controlcited by 47
- 2024Mobile-TeleVision: Predictive Motion Priors for Humanoid Whole-Body Controlcited by 41
- 2023Dexterous Functional Graspingcited by 36
- 2024One Policy to Run Them All: an End-to-end Learning Approach to Multi-Embodiment Locomotioncited by 34
- 2023DribbleBot: Dynamic Legged Manipulation in the Wildcited by 33
- 2025BeamDojo: Learning Agile Humanoid Locomotion on Sparse Footholdscited by 32
12 most cited of 94 All 94 (JSON)
- 2026PROMO: Preference-conditioned Multi-Objective Reinforcement Learning for Quadrupedal Robots1 Oct 2026
- 2026Accelerating Visual Policy Learning with Sampling-Based Model Predictive Control17 Sep 2026
- 2026OmniMimic: Dynamics-completed Motion Augmentation for Multi-style Omnidirectional Quadruped Locomotion17 Sep 2026
- 2026Seven Sources of Physical AI Capability Formation9 Sep 2026
- 2026Weights or Skills? A Survey of Robot-Learning Techniques: from Action-Predicting Weights to Robots that Write their Own Skills3 Aug 2026
- 2026When Is a Learned Command Adapter Worth It? Closed-Loop Identification and Counterfactual Auditing of Frozen Locomotion Policies23 Jul 2026
- 2026Towards Torque-Driven Reinforcement Learning for Quadruped Locomotion20 Jul 2026
- 2026Isaac Sim-to-Real: Reinforcement Learning based Locomotion for Quadrupeds20 Jul 2026
- 2026Behavior Foundations for Quadruped Robots: ABot-C0 Technical Report8 Jul 2026
- 2026LoComposition: Terrain-Adaptive Energy-Efficient Quadruped Locomotion without Gait Priors14 Jun 2026
- 2026Stochastic MeanFlow Policies: One-Step Generative Control with Entropic Mirror Descent20 May 2026
- 2026ARC-RL: A Reinforcement Learning Playground Inspired by ARC Raiders19 May 2026
12 newest of 94 All 94 (JSON)