Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking

Biped robots swing their legs alternately to achieve highly dynamic walking, which is the basic ability required for them to perform tasks. However, swinging of the swinging leg in the air will disturb the interaction between the supporting leg and the ground and affect the upper body’s balance duri...

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Main Authors: Zhifa Gao, Xuechao Chen, Zhangguo Yu, Lianqiang Han, Jintao Zhang, Gao Huang
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Biomimetics
Subjects:
Online Access:https://www.mdpi.com/2313-7673/8/1/31
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author Zhifa Gao
Xuechao Chen
Zhangguo Yu
Lianqiang Han
Jintao Zhang
Gao Huang
author_facet Zhifa Gao
Xuechao Chen
Zhangguo Yu
Lianqiang Han
Jintao Zhang
Gao Huang
author_sort Zhifa Gao
collection DOAJ
description Biped robots swing their legs alternately to achieve highly dynamic walking, which is the basic ability required for them to perform tasks. However, swinging of the swinging leg in the air will disturb the interaction between the supporting leg and the ground and affect the upper body’s balance during dynamic walking. To allow the robot to use its own intrinsic motion characteristics to maintain stable movement like a human when its lower limbs are affected by unknown disturbances during dynamic walking, the ability to use its arms to resist disturbances is essential. This article presents a hybrid momentum compensation control method for torque-controlled biped robots to adapt to unknown disturbances during dynamic walking. First, a hybrid angular momentum and linear momentum regulator is designed to compensate for the disturbance caused by the swinging leg. Second, based on real-time dynamic state changes of the legs, a mixed-momentum quadratic programming controller is designed to realize stable dynamic walking. The proposed method allows the force-controlled robot to maintain its balance while walking down an unknown platform, and it maintains good straightness in the forward direction of dynamic motion. The proposed method’s effectiveness is verified experimentally on the BHR-B2 force-controlled biped robot platform.
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spelling doaj.art-426e10b3ad4d425dbba6a26517075b662023-11-17T09:49:17ZengMDPI AGBiomimetics2313-76732023-01-01813110.3390/biomimetics8010031Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic WalkingZhifa Gao0Xuechao Chen1Zhangguo Yu2Lianqiang Han3Jintao Zhang4Gao Huang5School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaFaculty of Information Technology, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing 100124, ChinaBiped robots swing their legs alternately to achieve highly dynamic walking, which is the basic ability required for them to perform tasks. However, swinging of the swinging leg in the air will disturb the interaction between the supporting leg and the ground and affect the upper body’s balance during dynamic walking. To allow the robot to use its own intrinsic motion characteristics to maintain stable movement like a human when its lower limbs are affected by unknown disturbances during dynamic walking, the ability to use its arms to resist disturbances is essential. This article presents a hybrid momentum compensation control method for torque-controlled biped robots to adapt to unknown disturbances during dynamic walking. First, a hybrid angular momentum and linear momentum regulator is designed to compensate for the disturbance caused by the swinging leg. Second, based on real-time dynamic state changes of the legs, a mixed-momentum quadratic programming controller is designed to realize stable dynamic walking. The proposed method allows the force-controlled robot to maintain its balance while walking down an unknown platform, and it maintains good straightness in the forward direction of dynamic motion. The proposed method’s effectiveness is verified experimentally on the BHR-B2 force-controlled biped robot platform.https://www.mdpi.com/2313-7673/8/1/31biped robotangular momentumjoint torque control
spellingShingle Zhifa Gao
Xuechao Chen
Zhangguo Yu
Lianqiang Han
Jintao Zhang
Gao Huang
Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
Biomimetics
biped robot
angular momentum
joint torque control
title Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
title_full Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
title_fullStr Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
title_full_unstemmed Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
title_short Hybrid Momentum Compensation Control by Using Arms for Bipedal Dynamic Walking
title_sort hybrid momentum compensation control by using arms for bipedal dynamic walking
topic biped robot
angular momentum
joint torque control
url https://www.mdpi.com/2313-7673/8/1/31
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AT xuechaochen hybridmomentumcompensationcontrolbyusingarmsforbipedaldynamicwalking
AT zhangguoyu hybridmomentumcompensationcontrolbyusingarmsforbipedaldynamicwalking
AT lianqianghan hybridmomentumcompensationcontrolbyusingarmsforbipedaldynamicwalking
AT jintaozhang hybridmomentumcompensationcontrolbyusingarmsforbipedaldynamicwalking
AT gaohuang hybridmomentumcompensationcontrolbyusingarmsforbipedaldynamicwalking