학술논문

Learning Personalised Human Sit-to-Stand Motion Strategies via Inverse Musculoskeletal Optimal Control
Document Type
Conference
Source
2023 IEEE International Conference on Robotics and Automation (ICRA) Robotics and Automation (ICRA), 2023 IEEE International Conference on. :10497-10503 May, 2023
Subject
Robotics and Control Systems
Musculoskeletal system
Automation
Perturbation methods
Exoskeletons
Optimal control
Collaboration
Predictive models
Language
Abstract
Physically assistive robots and exoskeletons have great potential to help humans with a wide variety of collaborative tasks. However, a challenging aspect of the control of such devices is to accurately model or predict human behaviour, which can be highly individual and personalised. In this work, we implement a framework for learning subject-specific models of underlying human motion strategies using inverse musculoskeletal optimal control. We apply this framework to a specific motion task: the sit-to-stand transition. By collecting sit-to-stand data from 4 subjects with and without perturbations, we show that humans modulate their sit-to-stand strategy in the presence of instability, and learn the corresponding models of these strategies. In the future, the personalised motion strategies resulting from this framework could be used to inform the design of real-time assistance strategies for human-robot collaboration problems.