(7th IFK) 7th International. Kolloquium. Monday, March 22. Tribology and Fluids. Group E: Group F: Group G: Group H: Group I: Fluidtechnisches

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1 Workshop: 24 7th International Fluid Power Conference (7th IFK) 22» March 2010 Aachen, Germany 7, Internationales Fluidtechnisches Kolloquium (7. IFK) M«rz 2010 Aachen. Germany Volume 2 - Monday, March 22 Group E: Group F: Group G: Group H: Group I: Tribology and Fluids Fundamentals Automation and Control Valves New Measuring Methods

2 Influences Index 5 Inhaltsverzeichnis Group E: Tribology and Fluids G. Clark Rubber Compatibility with Biodiesel Fuel: The Effects of Blend and Fluid Temperature 27 B. Lorenz Leak Rate of Seals: Comparison of Theory with B. Persson Experiment L. Leonhard Deterministic Surface Texturing for the Tribological H. Murrenhoff Contacts in Hydrostatic Machines F. Majdic Lifetime Test of new Water Hydraulic Proportional Directional Control Valve S. Gels Investigation of Elastic Deformations of Cylinders H. Murrenhoff within the Simulation of Piston-Cylinder-Contacts of Axial Piston Machines K. Kovanda A New Generation, High Performance, Water Soluble, Polyalkylene Glycols and their Use in Hydraulic Equipment for Environmentally Sensitive Areas 89 M. Krstic An Integrated Fluid - Concept Delivering a Machine that Requires no Oil Change H. Karl Biogenous Hydraulic Fluids - T. Fisher on the Filtrability of Operations C. Enekes Tribological and Ecotoxicological Behaviour of a Synthetic Ester and its Effect on Friction and Wear in Axial Piston Pumps 127 A. Fatemi Tribological Properties of Tailor Made Fuels from Biomass 141

3 - Effects 6 7th International Fluid Power Conference Aachen 2010 Group F: Fundamentals R. Szpak Theoretical and Experimental Study of the Matching 155 Between Proportional Valves and Symmetric and Asymmetric Cylinders S. Herzog Hydraulic Fluid Viscosity Selection for Improved 167 P. Michael Fuel Economy H. Gholizadeh Investigation of Experimental Techniques for 179 the Measurement of the Effective Bulk Modulus of Oil-Filled Pipes and Hoses I. Lee Evaluation of Effective Bulk Modulus of Oil 193 in Hydraulic Dampers Elastic Deformation of Cylinder Shell B.Feng Study on Measuring and Increasing Effective 207 Fluid Bulk Modulus T. Itou Study on a Theoretical Design Method for 217 External Gear Pumps R. Klop Sound Intensity Measurements to Investigate 229 M. Ivantysynova Noise Generation of Hydrostatic Transmissions U. Heisel Investigation of the Structure-Borne Noise Transmission 243 V. Slavov Behaviour of Hydraulic Hoses W. Fiebig The new Way for the Noise Reduction of External 253 K. Helle Gear Pumps T. Nafz Noise Reduction of Axial Piston Pumps Using 267 Variable Reversing Valves

4 Index Inhaltsverzeichnis Group G: Automation and Control P. Albers Motion Control in Offshore Applications 281 A. Milecki Applications of Haptic Joystick in Control of 293 Electrohydraulic Drive M. Yahyaei High Accuracy Positioning and Synchronizing Two Hydraulic Cylinders in a Hydraulic Press Brake 305 Y. Zheng Study on a Liquid Flow Rate Measurement System Using an AE Sensor 319 R. Kumar M. Ivantysynova The Hydraulic Hybrid Alternative for Toyota Prius - A Power Management Strategy for Improved Fuel Economy 329 J. Renn B. Liao A Novel Linear Motor with Movable Integrated Permanent Magnets 343 C. Lamming Analysis of Robust Electrohydraulic Force Control 355 M. Rokala Driving Feel Generation of the Mobile Machine Simulator with the Water Hydraulic 6-DOF Motion Platform 367 Z. Situm V. Milic Throttling and Volumetric Control Principle to an 379 Electrohydraulic Velocity Servomechanism G. Schuh Developing Fluid Technical Mechatronic Systems with Increased Efficiency Using the Principles of Lean Innovation 391

5 8 7th International Fluid Power Conference Aachen 2010 Group H: Valves V. Zoppig Switching Magnetic Valve Electronics 407 M. Ruggeri Benefit of the Asymmetrical Half Bridge on Proportional 419 S. Gardengi Valve Electronic Control M. Fiedler Coupled Simulation for the Virtual Product Development 431 S. Helduser of Electro-Hydraulic Valves F. Yoshida Characteristics of Proportional Control Valve 445 S. Miyakawa Using Tap Water 0. Reinertz Development of an Accelerated Ageing Test for 457 Hydraulic Spool and Poppet Valves

6 Index 9 Inhaltsverzeichnis Group I: New Measuring Methods P. Feucht SIL Approved Sensors for Mobile Machines and Innovative Technology 473 P. Drumea Dynamic Testing of Servohydraulic Equipment 485 J. Lukito Development of a Test Method to Examine the Fuel Characteristic Influences on Reliability of Commercial Burner Pumps with a Tribological Test Apparatus 493 P. Antoniak Application of the PIV Method to Optimization of the Internal Channels of Gerotor Pumps 501 D. Sedziak Investigations of Electrohydraulic Servo Valves with Piezo Bender as Control Element 511