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Four-Quadrant Analysis and System Design for Single-Rod Hydrostatic Actuators
Journal of Dynamic Systems, Measurement, and Control, 2018In 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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Sliding mode control based on backstepping method for electro-hydraulic single-rod actuator
2015 IEEE International Conference on Information and Automation, 2015This paper presents a sliding mode control method to track desired position for an electro-hydraulic single-rod actuator of a projectile transfer arm. Sliding mode control is used to compensate the nonlinearity and parameters uncertainty of electro-hydraulic system and its control output is the load pressure. A backstepping method is applied to achieve
Lingfei Tian +3 more
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Adaptive robust motion control of single-rod hydraulic actuators: theory and experiments
IEEE/ASME Transactions on Mechatronics, 2000High-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 +3 more
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Feedback Linearization of the Double- and Single-Rod Hydraulic Servo Actuators
2006 IEEE International Conference on Automation, Quality and Testing, Robotics, 2006This paper presents the theoretical fundaments and the numerical simulation for the linearization of the nonlinear model of the double (single)-rod hydraulic actuator through feedback. There are presented the hydraulic model, the equivalent hydraulic model, the proposed nonlinear compensator and finally the simulation results.
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A Lyapunov Stable Controller for Bilateral Haptic Teleoperation of Single-Rod Hydraulic Actuators
Journal of Dynamic Systems, Measurement, and Control, 2017A Lyapunov stable control scheme is designed and implemented for bilateral haptic teleoperation of a single-rod hydraulic actuator. The proposed controller is capable of reducing position errors at master and slave sides, as well as perceiving the interaction force between the actuator and the task environment without a need for direct measurement of ...
Vikram Banthia +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, 2011Electro-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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Adaptive robust control for unknown nonlinear parameters of single-rod hydraulic actuators
Proceedings of the 33rd Chinese Control Conference, 2014This 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 +3 more
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2024 25th International Carpathian Control Conference (ICCC)
Marek Sibielak +2 more
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Marek Sibielak +2 more
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2019 IEEE Conference on Control Technology and Applications (CCTA), 2019
Electrohydraulic actuators are widely used in automation industries. This paper presents a robust position controller of single-rod electrohydraulic actuators. The design methodology is based on the twisting algorithm(TA) with an integral sliding surface. The TA is one of the most promising high-order sliding-mode control algorithms.
Teerawat Sangpet +2 more
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Electrohydraulic actuators are widely used in automation industries. This paper presents a robust position controller of single-rod electrohydraulic actuators. The design methodology is based on the twisting algorithm(TA) with an integral sliding surface. The TA is one of the most promising high-order sliding-mode control algorithms.
Teerawat Sangpet +2 more
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Motion Control of a Nonlinear Single-Rod Hydraulic Actuator via Feedback Linearization
Volume 10: Mechanical Systems and Control, Parts A and B, 2009Hydraulic systems are extensively used in many engineering fields where a high degree of both accuracy and performance are required. Due to the highly nonlinear dynamics of hydraulic systems, applying high performance closed-loop controllers is complicated.
Hamed Moradi +3 more
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