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MoE-Loco: Mixture of Experts for Multitask Locomotion

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arxiv 2503.08564 v2 pith:S444LGJC submitted 2025-03-11 cs.RO cs.AI

MoE-Loco: Mixture of Experts for Multitask Locomotion

classification cs.RO cs.AI
keywords expertslocomotionmultitaskmixturemoe-locoadaptabilityapproacharise
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present MoE-Loco, a Mixture of Experts (MoE) framework for multitask locomotion for legged robots. Our method enables a single policy to handle diverse terrains, including bars, pits, stairs, slopes, and baffles, while supporting quadrupedal and bipedal gaits. Using MoE, we mitigate the gradient conflicts that typically arise in multitask reinforcement learning, improving both training efficiency and performance. Our experiments demonstrate that different experts naturally specialize in distinct locomotion behaviors, which can be leveraged for task migration and skill composition. We further validate our approach in both simulation and real-world deployment, showcasing its robustness and adaptability.

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Cited by 9 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. HiPAN: Hierarchical Posture-Adaptive Navigation for Quadruped Robots in Unstructured 3D Environments

    cs.RO 2026-04 unverdicted novelty 7.0

    HiPAN enables quadruped robots to navigate unstructured 3D environments more successfully by combining a high-level posture-adaptive policy with a low-level controller and curriculum learning on depth images.

  2. Self-Adaptive Learning and Model Predictive Control for Tracking Unknown Dynamics with No Regret

    cs.RO 2026-07 conditional novelty 6.0

    A self-adaptive MPC with multiple online-learned RFF predictors and Hedge-based selection achieves O(T^{3/4}) expected regret for tracking unknown, switching target dynamics.

  3. CoRDE: Concept-Prior Routed Diffusion Experts for Structural Generalization in Robot Manipulation

    cs.RO 2026-06 unverdicted novelty 6.0

    CoRDE uses concept-prior variational distillation and LoRA-based expert pools to route diffusion models for structurally generalizable robot manipulation policies.

  4. SigLoMa: Learning Open-World Quadrupedal Loco-Manipulation from Ego-Centric Vision

    cs.RO 2026-05 unverdicted novelty 6.0

    SigLoMa enables dynamic loco-manipulation on quadrupeds from ego-centric 5 Hz vision alone by using Sigma Points for scalable exteroception, an ego-centric Kalman Filter for high-rate state estimation, and an active s...

  5. FARM: Frame-Accelerated Augmentation and Residual Mixture-of-Experts for Physics-Based High-Dynamic Humanoid Control

    cs.RO 2025-08 conditional novelty 6.0

    FARM combines frame-accelerated augmentation with a residual mixture-of-experts to track high-dynamic humanoid motions, cutting tracking failures by 42.8% on a new HDHM benchmark.

  6. MUJICA: Multi-skill Unified Joint Integration of Control Architecture for Wheeled-Legged Robots

    cs.RO 2026-05 unverdicted novelty 5.0

    A single reinforcement learning policy jointly trains multiple locomotion skills for wheeled-legged robots with DC-motor constraints and learns a proprioceptive skill selector for adaptive behavior.

  7. Towards Adaptive Humanoid Control via Multi-Behavior Distillation and Reinforced Fine-Tuning

    cs.RO 2025-11 unverdicted novelty 5.0

    A two-stage distillation plus reinforced fine-tuning approach produces a single humanoid locomotion controller that adapts across skills and irregular terrains.

  8. LiMoDE: Rethinking Lifelong Robot Manipulation from a Mixture-of-Dynamic-Experts Perspective

    cs.RO 2026-06 unverdicted novelty 4.0

    LiMoDE uses dynamic MoE pre-training on motion cues followed by lifelong expert addition for continuous robot task adaptation.

  9. Quadruped Parkour Learning: Sparsely Gated Mixture of Experts with Visual Input

    cs.RO 2026-04 unverdicted novelty 4.0

    Sparsely gated MoE policies double the success rate of a real Unitree Go2 quadruped on large-obstacle parkour versus matched-active-parameter MLP baselines while cutting inference time compared with a scaled-up MLP.