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. Eberhart "Fuzzy Adaptive Particle Swarm Optimization" Evolutionary computation, 2001 proceeding of the 2001 congres on vol.1 page no. Gaing, "Particle Swarm Optimization to solving the economic dispatch considering generator constraints," IEEE Trans. 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.
Ki "Economic Load Dispatch: A New Hybrid Particle Swarm Optimization Approach"sept.11 2007.
This causes a lot of heat generation and energy loss within the actuators.
The study investigates and analyzes the possibilities of reducing the hydraulic resistance and increasing efficiency of the hydraulic actuator.
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.