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Intelligent-PI controller for electro-hydraulic system
2016 4th International Conference on Control Engineering & Information Technology (CEIT), 2016Electro-hydraulic actuators have been widely applied in industry with position or pressure control. Nevertheless, the conventional linear control technology is not able to satisfy the requirement of improving the control precision due to the nonlinearities of hydraulic systems. This paper presents two control strategies based on intelligent-PI in order
L. Sidhom +3 more
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ANFIS modeling of electro-hydraulic actuator system
2012 IEEE 8th International Colloquium on Signal Processing and its Applications, 2012Precise control of electro-hydraulic actuator (EHA) system has been an interesting subject due to its nonlinearities and uncertainties characteristics. Good control can be designed when precise model of the system is available. ANFIS (Adaptive Neuro-Fuzzy Inference System) modeling technique has proven to be able to model various nonlinear systems. The
Ling, T. G. +2 more
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Projective control of electro-hydraulic servo system
Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001A nonlinear dynamic model for an electro-hydraulic servo system is developed. The model's response is compared with that of an actual valve. A projective control algorithm is used to control the motion of a load. Robustness of the control algorithm is analyzed through simulations.
C. Batur, M. Tawfik
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Modelling of an electro-hydraulic servo-system
2023Many theoretical models have been developed to simulate the performance of hydraulic Control components and systems, but all are limited by the assumptions involved and uncertain factors associated with practical hydraulic systems. Authors warn that seal compressibility, inertia of oil in lines, mounting compliance, structural damping, friction and ...
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Analysis of Electro-Hydraulic Car Steering Systems
2005There have been great reserch efforts in order to improve present power-assisted steering systems for passenger cars. The description of main types of power-assisted steering systems are given. The focus of the paper is on electro-hydraulic steering systems that seems to be employed in middle and upper class of passenger cars, at least in closer future.
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Virtual model of an electro-hydraulic system
2013 International Conference on Process Control (PC), 2013This paper deals with the design of model of electro-hydraulic system with failure simulation feature. The fundamental causes and effects of failures of electro-hydraulic system are summarized. Virtual Simulink model of electro-hydraulic system has been developed and implemented in compliance with performed FMEA (Failure Mode and Effects Analysis ...
Alena Kopcekova +2 more
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Integrated electro-hydraulic system modeling and analysis
IEEE Aerospace and Electronic Systems Magazine, 2002The technical approach for the development of the computer model of an integrated electro-hydraulic system is presented. As an example, the development of the computer model of the Space Shuttle Electric Auxiliary Power Unit (EAPU) is discussed.
S.J. Fu, M. Liffring, I.S. Mehdi
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Electro-hydraulic servo system with predictive control
2009 4th IEEE Conference on Industrial Electronics and Applications, 2009Propellent is a primary propulsive power source of the space navigation and missile weapon. In order to safely produce, transform and use it, its characteristics of friction sensitivity must be known very well. The results of test and analysis show that the precision of load force is the most important factor which affects the testing results ...
null Yongsheng Yang +4 more
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Research on Electro Hydraulic Composite Brake System
2012This paper describes a proposal of electro hydraulic composite brake system, which is based on the high-speed switching valve, and sets up a algorithm of the composite braking resistance distribution, according to the law of ECE and motor’s external characteristic. By using the simulator ADVISOR, the algorithm is analyzed.
Qinghe Liu, Lan Zhan, Ti He
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System Analysis of Electro-hydraulic Control Systems
1991The system analysis introduced in the previous chapter will now be expanded to cover several types of electro-hydraulic control systems. The method described in Chapter 11 is not suitable for the analysis of control systems incorporating flow feedback elements referred to in Chapters 5 and 6.
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