Design, Modelling and Validation of Hydraulic Servo Actuator With Passive Compliance for Legged Robots
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2875129
Abstract: The hydraulic driven legged robots walking on the ground always encounter impact forces due to the contacts between feet and ground. Aiming to reduce the impact forces, a novel passive compliance method is proposed by… read more here.
Keywords: hydraulic servo; impact forces; legged robots; actuator ... See more keywords
Mechanism of Temperature’s Acting on Electro-Hydraulic Servo Valve
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DOI: 10.1109/access.2019.2922135
Abstract: To understand temperature’s influence on the electro hydraulic servo valve, a theoretical model of describing the detailed mechanism is necessary. For a servo valve experiencing actual working conditions, the temperature variation acts on the performance… read more here.
Keywords: temperature; hydraulic servo; electro hydraulic; servo valve ... See more keywords
Design, Mathematical Modeling and Force Control for Electro-Hydraulic Servo System With Pump-Valve Compound Drive
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DOI: 10.1109/access.2020.3012091
Abstract: Each joint of hydraulic drive legged robot adopts highly integrated electro-hydraulic servo system, and the system has two common forms, namely, valve-controlled cylinder system and pump-controlled cylinder system. The former has a large energy loss,… read more here.
Keywords: force control; system; electro hydraulic; control ... See more keywords
Heat Characteristics Analysis of Electro-Hydraulic Servo Valve
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Science and Engineering Applications"
DOI: 10.1115/1.4041880
Abstract: A new method of building electro-hydraulic servo valve's thermal model is proposed. In this method, energy conservation equation of servo valve was obtained according to thermodynamics, which describes servo valve's heat conduction, heat convection, and… read more here.
Keywords: electro hydraulic; hydraulic servo; servo valve; heat ... See more keywords
Acceleration Harmonics Identification for an Electro-Hydraulic Servo Shaking Table Based on a Nonlinear Adaptive Algorithm
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.20944/preprints201806.0464.v1
Abstract: Since the electro-hydraulic servo shaking table exists many nonlinear elements, such as, dead zone, friction and blacklash, its acceleration response has higher harmonics which result in acceleration harmonic distortion, when the electro-hydraulic system is excited… read more here.
Keywords: electro hydraulic; acceleration; hydraulic servo; identification ... See more keywords
Generalized Super-Twisting Backstepping Sliding Mode Control for Electro-Hydraulic Servo Systems Considering the Coexistence of Matched and Mismatched Uncertainties
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13084931
Abstract: Aiming at the problem of the coexistence of matching and mismatching uncertainties in electro-hydraulic servo systems, disturbance observers and a backstepping sliding mode controller based on the generalized super-twisting algorithm (GSTA) are proposed in this… read more here.
Keywords: backstepping sliding; electro hydraulic; sliding mode; control ... See more keywords