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Intelligent Diagnostic System for Hydraulic Actuator
2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019© 2019 IEEE. The proposed technical solution allows optimizing the process of hydraulic drive control, which leads to increased energy efficiency, as well as diagnosing the state of the hydraulic system of the industrial machine. To ensure the speed of the process of diagnosing the state of the hydraulic drive in addition to the hardware of the system,
Khaziev E., Khaziev M.
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Cascade control of hydraulically actuated manipulators
Robotica, 1990SUMMARYA fundamental study on the control of hydraulically actuated robots is presented. Dynamic modelling is performed in both time-domain and frequency-domain. It is shown that the inclusion of hydraulic elements increases the order of the system. Hydraulic compliance is the most effective factor in this regard.Three distinct control strategies are ...
Nariman Sepehri +3 more
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Procedia Engineering, 2014 Electro-hydrostatic actuator (EHA) was a typical power-by-wire (PBW) actuator, which was widely-used in large commercial aircrafts, such as Airbus A380.
Li, Kai, Lv, Zhong, Lu, Kun, Yu, Ping
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Pneumatic and hydraulic actuators
1983When fluid energy is transformed into mechanical energy there are two operating mechanisms, static and dynamic, to be considered.
François Lhôte +3 more
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Leg mechanisms for hydraulically actuated robots
2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009The performance of highly dynamic robotic machines is directly associated with both the actuation means and the specific mechanical properties/configuration of the system. Hydraulic actuation demonstrates significant competitive advantages when minimum weight and volume, large forces and wide range of speeds are required and this makes it very suitable
Yousheng Yang +4 more
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Hydraulic actuators in application of robot manipulator
2012 IEEE International Conference on Automation Science and Engineering (CASE), 2012Application of hydraulic actuators to robotic systems has different areas where electric motor system cannot be used. High bandwidth together with high force and torque make the system smaller and faster. Some examples are introduced made by KNR systems Inc.
Seongcheol Jang +5 more
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Analysis for the power loss of electro hydrostatic actuator and hydraulic actuator
2015 IEEE International Conference on Advanced Intelligent Mechatronics (AIM), 2015This article describes the difference between traditional airborne hydraulic actuator and electro hydrostatic actuator in heat dissipation. The power loss of the two systems are analyzed based on the method of energy transfer under different working conditions.
Wunong Hu +6 more
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Applications of electro-hydraulics actuators
SoutheastCon 2016, 2016Electro-hydraulic systems can be used in robust robotics systems that have to carry heavier loads efficiently. Electrical drives have proven to be reliable and easy to control, but they may have problems when it comes to holding a position under load for a long period of time.
Vukica Jovanovic +3 more
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Transputer control of hydraulic actuators and robots
IEEE Transactions on Industrial Electronics, 1996The paper reports and discusses results from a Danish mechatronic research program focusing on intelligent actuators for intelligent motion control. A mechatronic test facility with a transputer controlled hydraulic robot suitable for real-time experimentation and evaluation of control laws and algorithms is described.
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Design of a Hydraulic Actuator Test Stand for Non-Linear Analysis of Hydraulic Actuator Systems
Automation Technology for Off-Road Equipment Proceedings of the 2002 Conference, 2013Stability is imperative in the design of hydraulic systems. Servo-hydraulic systems are inherently non-linear creating various nuances when analyzing the stability of the system. Friction, port flow, saturation, impact loading, line dynamics, and boundary conditions are a few of the many non-linearities found in servo-hydraulic systems which are to ...
null Jill E. Krutz +3 more
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