Journal
IEEE ROBOTICS AND AUTOMATION LETTERS
Volume 8, Issue 7, Pages 4155-4162Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LRA.2023.3280807
Keywords
Synchronization; Robots; Trajectory; Legged locomotion; Humanoid robots; Predictive models; Estimation; Telerobotics and teleoperation; intention recognition; human and humanoid motion analysis and synthesis
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We propose a tele-operation control framework that improves the upper motion synchrony between a user and a robot using the minimum-jerk model and a recursive least-square filter. We also synchronize the walking pace by predicting the user's stepping frequency using motion capture data and a deep learning model. By integrating these two methods in a task-space whole-body controller, we achieve full-body synchronization. We evaluate our model on the HRP-4 humanoid robot in experiments involving forward, lateral, and backward walks with concurrent upper limb motions.
We present a tele-operation control framework that (i) enhances the upper motion synchrony between a user and a robot using the minimum-jerk model coupled with a recursive least-square filter, and (ii) synchronizes the walking pace by predicting user's stepping frequency using motion capture data and a deep learning model. By integrating (i) and (ii) in a task-space whole-body controller, we achieve full-body synchronization. We assess our humanoid-to-human whole-body synchronized motion model on the HRP-4 humanoid robot in forward, lateral and backward walks with concurrent upper limbs motions experiments.
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