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Advantages of human opsins in optogenetic visual restoration. [PDF]

Front Neurosci
Bica MT, Cehajic-Kapetanovic J.
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Cascaded sliding mode force control for a single-rod electrohydraulic actuator

Neurocomputing, 2015
This paper investigates the force control problem of a single-rod electrohydraulic actuator system based on sliding mode strategy. On the basis of the force tracking error dynamics, in order to facilitate the controller design, the whole system is divided into a linear subsystem and a nonlinear subsystem. By forcing the output of nonlinear subsystem to
Lingfei Xiao, Binbin Lu, Bing Yu, Zhifeng Ye   +3 more
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Cascade active disturbance rejection control of single‐rod electrohydrostatic actuator

Asian Journal of Control, 2022
AbstractElectrohydrostatic actuators (EHAs) are used to replace traditional centralized hydraulic systems to reduce weight and improve efficiency and maintainability. This paper proposes a cascade active disturbance rejection control (C‐ADRC) method for single‐rod EHAs with parametric uncertainties and severe external disturbances.
Xiaoxia Han, Zhixiang Chen, Yongbao Feng, Jian Xie, Xiaoling Wei, Liejiang Wei   +5 more
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Four-Quadrant Analysis and System Design for Single-Rod Hydrostatic Actuators

Journal of Dynamic Systems, Measurement, and Control, 2018
In this paper, we present a novel design for single-rod hydrostatic actuators that produces a stable response in all operation quadrants. The new design, which can have different embodiments, is built upon compensating for the differential flows coming in and out of single-rod actuators, by alternately connecting cap and rod sides of the cylinder to a ...
Gustavo Koury Costa, Nariman Sepehri
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Desired compensation adaptive robust control of single-rod electro-hydraulic actuator

Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001
This paper presents a desired compensation adaptive robust control (DCARC) of single-rod electro-hydraulic actuator. Compared with the existing adaptive robust control (ARC) algorithms, the DCARC algorithm presented here has the unique feature that the adaptive model compensation part depends on the reference trajectory and parameter estimations only ...
null Fanping Bu, null Bin Yuo
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Adaptive robust motion control of single-rod hydraulic actuators: theory and experiments

IEEE/ASME Transactions on Mechatronics, 2000
High-performance robust motion control of single-rod hydraulic actuators with constant unknown inertia load is considered. The two chambers of a single-rod actuator have different areas, so the dynamic equations describing the pressure changes in them cannot be combined into a single load pressure equation.
null Bin Yao, null Fanping Bu, J. Reedy, G.T.-C. Chiu   +3 more
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Adaptive robust control for unknown nonlinear parameters of single-rod hydraulic actuators

Proceedings of the 33rd Chinese Control Conference, 2014
This paper concerns motion control of single-rod hydraulic actuators with nonlinear unknown parameters. Most previous adaptive controls for hydraulic system only handle linear unknown parameters by assuming the original control volume is certain and known.
Jianyong Yao, Guichao Yang, Dawei Ma, Jianbo Wang   +3 more
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Start and Stop Characteristics of Single-Rod Electro-Hydrostatic Actuator

Transactions of the Korean Society of Mechanical Engineers A, 2011
Electro-hydrostatic actuators(EHAs), which are usually composed of a direct motor-driven hydraulic pump and a cylinder, have been widely adopted as aircraft actuation systems because of their benefits in terms of improved efficiency, weight savings and the fact that they use a standalone power source. Since the recent trend in construction vehicles has
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