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A new hydraulic system was proposed as a solution to relieve the hydraulic resistance in the actuators.
The proposed system is a four ports hydraulic cylinder fitted with a novel flow control valve. Goldenberg, "Design of a new high performance electrohydraulic actuator," in Proceedings of The International Conference on Advanced Intelligent Mechatronics, IEEE/ASME,, 1999, pp.
Krus, "On Load Sensing Fluid Power Systems," Division of Fluid Power Control Department of Mechanical Engineering, Linkoping University, Sweden, 1988.
Palmberg, "Hydraulic transformers-comparison of different designs," 2004.
Proceedings of the 2005 IEEE International Conference on Robotics and Automation Barcelona, Spain, April 2005. Dongwoon Choi, Woonghee Shon and Ho-Gil Lee "Design of 5 D. F Robot Hand with an artificial skin For An Android Robot" Department of Applied Robot Technology, Korea Institute of Industrial Technology Republic of Korea.
Innas, "Cylinder Control with the floating cup hydraulic transformer," Proc. Key words: robot hand, Robotics, Robot Finger, Finger joints, FEA modeling. Ikuo Yamano, Takashi Maeno " Five Fingered Robotic hand Using Ultrasonic Motors and Elastic Elements" Department of Mechanical Engineering, Kieo University Hiyoshi Yokohama 223-8522, Japan. Zhe Xu, Emanual Todorov, Brian Dellon and Yoky Matsuoka " Design and Analysis of an artificial finger Joint for anthromorphic Robotic hands" Department of computer science & Engineering, University of Washington, WA 98195 USA. Gabriel Gómez , Alejandro Hernandez and Peter Eggenberger Hotz "An adaptive neural controller for a tendon Driven Robotic Hand" Artificial Intelligence Laboratory Department of Informatics, University of Zurich, Switzerland.
Stukenbrock, "Toward maximum flexibility in working machinery, iht control in a mecalac excavator," 2004. Yao, "Energy-saving control of singlerod hydraulic cylinders with programmable valves and improved working mode selection," 2002. Eriksson, "Control Strategy for Energy Efficient Fluid Power Actuators: Utilizing Individual Metering," SE-581 83 Linköping, Sweden: Linköping University, 2007. There are various field of power system in which PSO is successfully applied.
Results show that the small outlet ports are the sources of energy loss in hydraulic cylinders.
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IJERA MENU CALL FOR PAPER PAPER SUBMISSION WHY CHOOSE IJERA AUTHOR INSTRUCTIONS STATISTICS UNIVERSITY AFFILIATES CHECK PAPER STATUS FAQ IJERA CONTENTS CURRENT ISSUE IJERA ARCHIVE SPECIAL ISSUE CALL FOR CONFERENCE UPCOMING CONFERENCE SPECIAL ISSUE ARCHIVE DOWNLOADS MODEL PAPER COPY RIGHT FORM COPYRIGHT INFRINGEMENT JOURNAL ETHICS OPEN ACCESS OPEN ACCESS Abstract: Hydraulic cylinder actuators are used extensively in industrial, construction and agricultural works. Palmberg, "Separate controls of meter-in and meter-out orifices in mobile hydraulic systems," SAE transactions, vol.
The small sized outlet ports of the cylinders resist the flow of discharged oil; and as a result the piston motion is slowed down.
Results show that the hydraulic resistance is significantly reduced in the proposed four ports actuators; and the proposed cylinders run faster than the conventional cylinders and a considerable amount of energyis saved as well.