Imitation Learning with Additional Constraints on Motion Style using Parametric Bias

Fuente: arXiv
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Hauptverfasser: Kawaharazuka, Kento, Kawamura, Yoichiro, Okada, Kei, Inaba, Masayuki
Format: Preprint
Veröffentlicht: 2024
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author Kawaharazuka, Kento
Kawamura, Yoichiro
Okada, Kei
Inaba, Masayuki
author_facet Kawaharazuka, Kento
Kawamura, Yoichiro
Okada, Kei
Inaba, Masayuki
contents Imitation learning is one of the methods for reproducing human demonstration adaptively in robots. So far, it has been found that generalization ability of the imitation learning enables the robots to perform tasks adaptably in untrained environments. However, motion styles such as motion trajectory and the amount of force applied depend largely on the dataset of human demonstration, and settle down to an average motion style. In this study, we propose a method that adds parametric bias to the conventional imitation learning network and can add constraints to the motion style. By experiments using PR2 and the musculoskeletal humanoid MusashiLarm, we show that it is possible to perform tasks by changing its motion style as intended with constraints on joint velocity, muscle length velocity, and muscle tension.
format Preprint
id arxiv_https___arxiv_org_abs_2407_08057
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Imitation Learning with Additional Constraints on Motion Style using Parametric Bias
Kawaharazuka, Kento
Kawamura, Yoichiro
Okada, Kei
Inaba, Masayuki
Robotics
Imitation learning is one of the methods for reproducing human demonstration adaptively in robots. So far, it has been found that generalization ability of the imitation learning enables the robots to perform tasks adaptably in untrained environments. However, motion styles such as motion trajectory and the amount of force applied depend largely on the dataset of human demonstration, and settle down to an average motion style. In this study, we propose a method that adds parametric bias to the conventional imitation learning network and can add constraints to the motion style. By experiments using PR2 and the musculoskeletal humanoid MusashiLarm, we show that it is possible to perform tasks by changing its motion style as intended with constraints on joint velocity, muscle length velocity, and muscle tension.
title Imitation Learning with Additional Constraints on Motion Style using Parametric Bias
topic Robotics
url https://arxiv.org/abs/2407.08057