MoSE: Skill-by-Skill Mixture-of-Experts Learning for Embodied Autonomous Machines

Fuente: arXiv
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Main Authors: Xu, Lu, Yu, Jiaqian, Peng, Xiongfeng, Chen, Yiwei, Li, Weiming, Yoo, Jaewook, Chunag, Sunghyun, Lee, Dongwook, Ji, Daehyun, Zhang, Chao
Format: Preprint
Published: 2025
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author Xu, Lu
Yu, Jiaqian
Peng, Xiongfeng
Chen, Yiwei
Li, Weiming
Yoo, Jaewook
Chunag, Sunghyun
Lee, Dongwook
Ji, Daehyun
Zhang, Chao
author_facet Xu, Lu
Yu, Jiaqian
Peng, Xiongfeng
Chen, Yiwei
Li, Weiming
Yoo, Jaewook
Chunag, Sunghyun
Lee, Dongwook
Ji, Daehyun
Zhang, Chao
contents To meet the growing demand for smarter, faster, and more efficient embodied AI solutions, we introduce a novel Mixture-of-Expert (MoE) method that significantly boosts reasoning and learning efficiency for embodied autonomous systems. General MoE models demand extensive training data and complex optimization, which limits their applicability in embodied AI such as autonomous driving (AD) and robotic manipulation. In this work, we propose a skill-oriented MoE called MoSE, which mimics the human learning and reasoning process skill-by-skill, step-by-step. We introduce a skill-oriented routing mechanism that begins with defining and annotating specific skills, enabling experts to identify the necessary competencies for various scenarios and reasoning tasks, thereby facilitating skill-by-skill learning. To better align with multi-step planning in human reasoning and in end-to-end driving models, we build a hierarchical skill dataset and pretrain the router to encourage the model to think step-by-step. Unlike other multi-round dialogues, MoSE integrates valuable auxiliary tasks (e.g. perception-prediction-planning for AD, and high-level and low-level planning for robots) in one single forward process without introducing any extra computational cost. With less than 3B sparsely activated parameters, our model effectively grows more diverse expertise and outperforms models on both AD corner-case reasoning tasks and robot reasoning tasks with less than 40% of the parameters.
format Preprint
id arxiv_https___arxiv_org_abs_2507_07818
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle MoSE: Skill-by-Skill Mixture-of-Experts Learning for Embodied Autonomous Machines
Xu, Lu
Yu, Jiaqian
Peng, Xiongfeng
Chen, Yiwei
Li, Weiming
Yoo, Jaewook
Chunag, Sunghyun
Lee, Dongwook
Ji, Daehyun
Zhang, Chao
Artificial Intelligence
Computer Vision and Pattern Recognition
Machine Learning
To meet the growing demand for smarter, faster, and more efficient embodied AI solutions, we introduce a novel Mixture-of-Expert (MoE) method that significantly boosts reasoning and learning efficiency for embodied autonomous systems. General MoE models demand extensive training data and complex optimization, which limits their applicability in embodied AI such as autonomous driving (AD) and robotic manipulation. In this work, we propose a skill-oriented MoE called MoSE, which mimics the human learning and reasoning process skill-by-skill, step-by-step. We introduce a skill-oriented routing mechanism that begins with defining and annotating specific skills, enabling experts to identify the necessary competencies for various scenarios and reasoning tasks, thereby facilitating skill-by-skill learning. To better align with multi-step planning in human reasoning and in end-to-end driving models, we build a hierarchical skill dataset and pretrain the router to encourage the model to think step-by-step. Unlike other multi-round dialogues, MoSE integrates valuable auxiliary tasks (e.g. perception-prediction-planning for AD, and high-level and low-level planning for robots) in one single forward process without introducing any extra computational cost. With less than 3B sparsely activated parameters, our model effectively grows more diverse expertise and outperforms models on both AD corner-case reasoning tasks and robot reasoning tasks with less than 40% of the parameters.
title MoSE: Skill-by-Skill Mixture-of-Experts Learning for Embodied Autonomous Machines
topic Artificial Intelligence
Computer Vision and Pattern Recognition
Machine Learning
url https://arxiv.org/abs/2507.07818