Computed torque control and force analysis for mechanical leg with variable rotation axis powered by servo pneumatic muscle
B Wang, Y Wang, J Huang, Y Zeng, X Liu, K Zhou - ISA transactions, 2023 - Elsevier
It is difficult for a humanoid leg driven by two groups of antagonistic pneumatic muscles
(PMs) to achieve a flexible humanoid gait, and its inherent strong coupling nonlinear …
(PMs) to achieve a flexible humanoid gait, and its inherent strong coupling nonlinear …
A compliant control method for robust trot motion of hydraulic actuated quadruped robot
T Chen, X Rong, Y Li, C Ding… - International Journal of …, 2018 - journals.sagepub.com
A motion control approach is proposed for hydraulic actuated quadruped robots, aiming to
achieve active compliance and robust motion control. The approach is designed with a …
achieve active compliance and robust motion control. The approach is designed with a …
Active control strategy of high-speed elevator horizontal vibration based on LMI optimization
S Cao, Q He, R Zhang, D Cong - Journal of Control Engineering and …, 2020 - ceai.srait.ro
In order to solve the problem of horizontal vibration of high-speed elevator caused by rail
roughness, in this paper, the active control strategy of horizontal vibration suppression of …
roughness, in this paper, the active control strategy of horizontal vibration suppression of …
Gait analysis of quadruped robot using the equivalent mechanism concept based on metamorphosis
The previous research regarding the gait planning of quadruped robot focuses on the
sequence for lifting off and placing the feet, but neglects the influence of body height …
sequence for lifting off and placing the feet, but neglects the influence of body height …
A robust and compliant framework for legged mobile manipulators using virtual model control and whole-body control
A Xie, T Chen, X Rong, G Zhang, Y Li, Y Fan - Robotics and Autonomous …, 2023 - Elsevier
Quadruped robots can mimic animal locomotion mode and have great potential usage in
unstructured environments. However, as mobile platforms, quadruped robots often lack …
unstructured environments. However, as mobile platforms, quadruped robots often lack …
Active compliance control on the hydraulic quadruped robot with passive compliant servo actuator
Z Hua, X Rong, Y Li, H Chai, S Zhang - IEEE Access, 2019 - ieeexplore.ieee.org
A hydraulic servo actuator with passive compliance (HPCA) is designed for hydraulic
actuated quadruped robots, aiming to solve the response discrepancy of the low-bandwidth …
actuated quadruped robots, aiming to solve the response discrepancy of the low-bandwidth …
Modeling and experimental evaluation of vibration reduction of hydraulic-driven joint with a MRF damper
X Meng, Z Zhang, K Sheng, C Yu… - Journal of Intelligent …, 2023 - journals.sagepub.com
In order to reduce the impact force of the legged hydraulic-robot when it is driving on the
ground, a new method based on magnetorheological technology is proposed for damping …
ground, a new method based on magnetorheological technology is proposed for damping …
Contact Force/Motion Hybrid Control for a Hydraulic Legged Mobile Manipulator via a Force-Controlled Floating Base
S Liu, H Chai, R Song, Y Li, Y Li… - IEEE/ASME …, 2023 - ieeexplore.ieee.org
Hydraulic legged mobile manipulators are favored because they provide high power density
and a strong explosive force. Hydraulic mobile manipulators require contact force control to …
and a strong explosive force. Hydraulic mobile manipulators require contact force control to …
Design and verification passive compliance leg with micro pneumatic prop for legged robot
Z Hua, Z Zhang, Y Li, C Hui, X Li… - Proceedings of the …, 2023 - journals.sagepub.com
The passive compliance plays a crucial role in steady and secure locomotion of the legged
mammal. This paper aims to introduce the elastic element into the traditional high rigid leg …
mammal. This paper aims to introduce the elastic element into the traditional high rigid leg …
Energy efficiency onboard hydraulic power for quadruped robot based on high-low double pumps supply
Z Hua, Z Zhang, H Chai, Y Li, X Li, Y Sun - Journal of Mechanical Science …, 2023 - Springer
This work presents a high energy efficiency onboard hydraulic system for quadruped robot.
Firstly, based on the rhythmic motion and mechanical characteristics of leg joints, the energy …
Firstly, based on the rhythmic motion and mechanical characteristics of leg joints, the energy …