UNIVERSITATSBIBUOTHEK
HANNOVER
TECHNISCHE
JNFORMATIONSBIBLIOTHEK^
THE EIGHTH SCANDINAVIAN
INTERNATIONAL CONFERENCE
ON FLUID POWER
PROCEEDINGS OF THE CONFERENCE
MAY 7-9,2003
TAMPERE, FINLAND
Editors: Kari T. Koskinen and Matti Vilenius
Copyright
Tampere University of Technology
ISBN 952-15-0972-4
Tampere University of Technology (TUT) Print
2003
UB/TIB
Hannover
124 951 783
89
VOLUME 2 OF 2
SESSION A5
HYDRAULIC FLUIDS
A NUMERICAL APPROACH TO THE HYDRAULIC FLUIDS
PROPERTIES PREDICTION
Massimo Borghi, Carlo Bussi, Massimo Milani, Fabrizio Paltrinieri, Italy
715
ANALYSIS OF AGING OF ENVIRONMENTALLY FRIENDLY
HYDRAULIC FLUIDS AND RESULTING EFFECTS ON
TRIBOLOGICAL FLUID PROPERTIES
Hubertus Murrenhoff, Martin Schmidt, Germany
731
NOVEL ESTERS IN BIOLUBRICANTS
Kaisa Kosonen, Merja Lamsa, Finland
743
FIELD TRIALS OF ECOLOGICALLY ACCEPTABLE HYDRAULIC
FLUIDS IN SWEDEN
Nigel Battersby, Steve Greenall, U.K.; Goran Gustafsson, Sweden
SESSION B5
751
HYDRAULIC PUMPS
PROPERTIES OF COMBINED PRESSURE AND FLOW
CONTROLLED RADIAL AND AXIAL PISTON PUMPS
Jani Vilenius, Albert Raneda, Kalevi Huhtala, Finland
161
DEMAND BASED CONTROLLABLE PUMPS. REDUCED
POWER CONSUMPTION IN POWER STEERING, ACTIVE CHASSIS,
TRANSMISSION SYSTEMS AND ENGINE OIL PUMPS
Hans-Jiirgen Lauth, Dirk Webert, Ivo Agner, Bernd Brunsch, Germany
119
SIMULATION OF A HYDRAULIC VARIABLE AXIAL PISTON PUMP
OF BENT AXIS DESIGN WITH DIFFERENT LOAD CONDITIONS
Peter Antoszkiewicz, Germany
793
DESIGN AND TESTING OF AN AXIAL PISTON PUMP BASED ON
THE FLOATING CUP PRINCIPLE
Peter Achten, Titus van den Brink, Timo Paardenkooper, Thomas Platzer,
Jeroen Potma, Marc Schellekens, Georges Vael, Netherlands
805
SESSION C5
DIGITAL ELECTRONICS APPLIED
TO HYDRAULICS
INTEGRATED AXIS CONTROLLER IAC - A CONCEPT FOR
HYDRAULIC DRIVES IMPLEMENTATION AND APPLICATIONS
Markus Christian, Wolfram M. Ulrich, Germany
821
DIGITAL SERVO VALVES WITH FIELDBUS INTERFACE IN
CLOSED LOOP APPLICATIONS
Christoph Boes, Walter Lenz, Jiirgen Miiller, Germany
845
CAN BUS APPLIED ON HYDRAULIC MOTION CONTROL SYSTEM
Mika Lammila, Tapio Virvalo, Erkki Lehto, Finland
SESSION A6
857
CONTROL IN WATER HYDRAULICS
STATIC STABILITY OF TORQUE MOTORS
Eizo Urata, Japan
871
TWO DIFFERENT CONTROL METHODS FOR DIGITAL FLOW
CONTROL UNIT
Arto Laamanen, Marti Nurmia, Matti Linjama, Kari T. Koskinen,
Marti Vilenius. Finland
887
CONTROL OF A WATER HYDRAULIC CYLINDER DRIVE
WITH NEW PROPORTIONAL VALVE
Harri Sairiala, Kari T. Koskinen, Matti Vilenius, Petteri Jauhola,
Lauri Jauhola, Jari Selkosmaa, Finland
899
EXPERIMENTAL COMPARISON BETWEEN HYDRAULIC
AND WATER HYDRAULIC POSITION CONTROL SYSTEMS
Esa Makinen, Tapio Virvalo, Finland
911
SESSION B6
HYDRAULIC MOTORS
A STUDY OF TWO LUBRICATED CONTACTS IN A RADIAL
PISTON HYDRAULIC MOTOR
Leon Dahlen, Hakan Olsson, Sweden
921
MODELLING OF FRICTION EFFECTS IN HYDROSTATIC
RADIAL PISTON MOTORS
Peter Chappie, Oyvind Haave, Norway
937
METHODS FOR ON-LINE CONDITION MONITORING OF A
FIXED DISPLACEMENT HYDRAULIC MOTOR
Terho Nykanen, Asko Ellman, Finland
951
SESSION C6
MODELLING AND SIMULATION 2
A MODELING AND SIMULATION FUNCTIONAL LIBRARY
FOR SELF-CONTAINED SIMULATORS
Magnus Sethson, Jonas Larsson, Bjorn Johansson, Petter Krus, Sweden
963
DESIGN ASPECTS OF A NEW TYPE OF HYDRAULIC PUMPS
Mohamed A. Elgamil, Yasser F. Zeyada, Saad A. Kaasem, Egypt
977
MODELING ELECTRIC-HYDROSTATIC DRIVES FOR INJECTION
MOLDING MACHINES
Guido Belforte, Walter Franco, Massimo Sorli, Italy
987
SESSION A7
WATER HYDRAULIC SYSTEMS AND
APPLICATIONS
i
LOW-PRESSURE WATER HYDRAULICS VS. PNEUMATICS PERFORMANCE, EFFICIENCY AND INVESTMENTS,
A CASE STUDY
Matti Linjama, Esa Makinen, Tapio Virvalo, Kari T. Koskinen, Finland
1003
WATER HYDRAULIC ENERGY SAVINGS VEHICLE
Louis Cassens, Michael Thomas, Gary Krutz, U.S.A
1021
METAL SHEET HYDROFORMING: SELECTION, MODELLING
AND SIMULATION OF THE FEED SYSTEM
Daniele Vecchiato, Salvatore Manco, Nicola Nervegna, Italy
1035
SESSION B7
SYSTEMS
REVIEW OF THE ELECTRO-HYDRAULIC LOAD SIMULATOR
Zongxia Jiao, China
1051
STUDY ON FAULT DIAGNOSIS BASED ON RBF NEURAL
NETWORKS OBSERVER FOR HYDRAULIC SERVO SYSTEM
Shaoping Wang, Guangqin Yang, China
1063
ACTIVE DAMPING OF OSCILLATIONS IN OFF ROAD VEHICLES
Torben O. Andersen, Michael R. Hansen, Denmark
1073
SESSION C7
HYDRAULIC COMPONENTS
IMPROVING PUMP EFFICIENCY AND SYSTEM PERFORMANCE
BY SELECTING THE OPTIMUM FLUID VISCOSITY GRADE
Lars Henriksson, Sweden; Christian Neveu, France; Steven Herzog,
Douglas Placek, U.S.A
1087
HYDRAULIC POWER UNIT WITH SPEED CONTROLED FIX
DISPLACEMENT PUMP
Petr Noskievic, Czech Republic
1099
PRESSURE REGULATOR STABILITY ANALYSIS IN
ELECTROPNEUMATIC
Eric Bideaux, Xavier Brun, Serge Scavarda, France
1109
SOME PRACTICAL CONSIDERATIONS IN THE USE OF
EXTENDED KALMAN FILTERS FOR THE ESTIMATION OF
PARAMETERS IN A PROPORTIONAL VALVE
Glen Wright, Richard Burton, Paul Ukrainetz, Greg Schoenau, Canada
1123
SESSION A8
NEW DESIGNS AND APPLICATIONS
NEW DISPLACEMENT CONTROLLED LINEAR ACTUATOR
TECHNOLOGY - A SUITABLE CONTROL ELEMENT FOR
ACTIVE OSCILLATION DAMPING
Robert Rahmfeld, Monika Ivantysynova, Germany
1139
CONCEPTS OF MECHATRONICS AND DISTRIBUTED
INTELLIGENCE IN MOBILE HYDRAULICS
Thorsten Lang, Hans-Heinrich Harms, Germany
1155
FREE PISTON ENGINE INTO WORK
Seppo Tikkanen, Mika Herranen, Mika Lammila, Sami Haikio,
Matti Vilenius, Finland
1161
SESSION B8
MOTION CONTROL 2
COMPUTED FORCE CONTROL VERSUS STATE CONTROL IN
HYDRAULIC MOTION CONTROL
Tapio Virvalo, Finland
1173
A HYDRAULIC ENERGY EFFICIENT FAST POSITIONING
ACTUATOR EXPLOITING A HYDRAULIC SPRING CONCEPT
Andreas Plockinger, Norbert Krimbacher, Rudolf Scheidl, Austria
1187
ACTIVE VIBRATION CONTROL OF A LARGE SCALE ROTOR
WITH A SERVOHYDRAULIC CONTROL SYSTEM
Matti Pietola, Jyrki Kajaste, Klaus Heiskanen, Asko Ellman, Esa Porkka,
Antti Valkonen, Markku Jarviluoma, Finland
1201
CONTROL OF PENTA-WH THE PARALLEL WELD/CUT ROBOT
FOR A FUSION REACTOR
Yong Liu, Heikki Handroos, Finland
1209
SESSION C8
SYSTEMS AND APPLICATIONS 1
IMPROVED ENERGY EFFICIENCY IN PLASTIC INJECTION
MOULDING MACHINES
S. Helduser, Germany
1219
HYDRAULICS SERVING THE PRODUCTION OF RENEWABLE
ENERGY
Arto Timperi, Finland
1231
ON THE FORCE TRANSMISSION CAPABILITY OF THE PENTA-WH
THE PARALLEL WELD/CUT ROBOT FOR A FUSION REACTOR
Kari Dufva, Janne Kovanen, Huapeng Wu, Heikki Handroos,
Tanja Saira, Finland
1239
F
DEVELOPMENT OF HYBRID DIESEL-HYDRAULIC SYSTEM FOR
LARGE COMMERCIAL VEHICLES
Paul L. Matheson, Jacek S. Stecki, Australia
SESSION A9
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1251
NEW COMPONENT DEVELOPMENTS
SANDWICH VALVES FOR MOBILE APPLICATIONS WITH A
MODULAR ELECTRONIC PILOT MODULE
Christoph Latour, Ludger Bredenstein, Germany
1265
EFFECT OF NUMBER OF PUMPING ELEMENTS ON PRESSURE
RIPPLE IN HIGH PRESSURE SYSTEM
Sami Haikio, Kalevi Huhtala, Seppo Tikkanen, Mika Lammila, Erkki Lehto,
Matti Vilenius, Finland
1277
DEVELOPMENT OF CERAMIC PISTONS AND BUSHINGS FOR
AXIAL PISTON UNITS
D.G. Feldmann, H.-Chr. Bartelt, Germany
1289
SESSION C9
SYSTEMS AND APPLICATIONS 2
EXPERIMENTAL STUDY ON ELECTRIFICATION IN HYDRAULIC
OIL FLOWS
Satoshi Takahashi, Seiichi Washio, Hitoshi Fujiwara, Daisuke Miki,
Satoshi Butsumyo, Japan
1301
DAMPING OF LOW FREQUENCY PRESSURE OSCILLATION
Mika Ijas, Tapio Virvalo, Finland
1311
UTILIZATION OF HIL SIMULATION IN RAPID PROTOTYPING
OF DIRECTIONAL VALVES
Tero Eskola, Heikki Handroos, Finland
1321