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Proceedings Papers

A Combined Hydrostatic Hydrodynamic Bearing Based on Elastic Deformation

Christoph Gradl, Rudolf Scheidl
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A014, October 26–28, 2016
Paper No: FPNI2016-1520
DOI: https://doi.org/10.1115/FPNI2016-1520
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Topics: Bearings, Deformation, Hydrostatics, Finite element analysis, Leakage, Pressure, Cylinders, Design engineering, Fluid structure interaction, Friction
Journal Articles

Modeling of a Fast Plate Type Hydraulic Check Valve

Eugenio Leati, Christoph Gradl, Rudolf Scheidl
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. June 2016, 138(6): 061002.
Paper No: DS-14-1554
DOI: https://doi.org/10.1115/1.4032826
Published Online: March 29, 2016
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Topics: Valves, Pressure, Stiction, Dynamics (Mechanics), Flow (Dynamics)
Journal Articles

An Approximate Computational Method for the Fluid Stiction Problem of Two Separating Parallel Plates With Cavitation

Rudolf Scheidl, Christoph Gradl
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. June 2016, 138(6): 061301.
Paper No: FE-15-1407
DOI: https://doi.org/10.1115/1.4032299
Published Online: February 17, 2016
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Topics: Cavitation, Fluids, Pressure, Stiction
Proceedings Papers

Simulation and Experimental Investigations of a Hydraulic Stepper Drive

Christoph Gradl, Ivo Kovacic, Rudolf Scheidl
Proc. ASME. FPMC2015, ASME/BATH 2015 Symposium on Fluid Power and Motion Control, V001T01A001, October 12–14, 2015
Paper No: FPMC2015-9504
DOI: https://doi.org/10.1115/FPMC2015-9504
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Topics: Simulation, Wafer steppers, Valves, Pistons, Cylinders, Energy efficiency, Engineering prototypes, Flow (Dynamics), Fluids, Pressure
Proceedings Papers

Modeling and Design of a Cushioning Groove Considering a Slanting Impact

Rudolf Scheidl, Christoph Gradl
Proc. ASME. FPMC2015, ASME/BATH 2015 Symposium on Fluid Power and Motion Control, V001T01A002, October 12–14, 2015
Paper No: FPMC2015-9508
DOI: https://doi.org/10.1115/FPMC2015-9508
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Topics: Design, Fluid pressure, Fluids, Modeling, Pressure, Stiction, Torque, Valves
Proceedings Papers

Investigation of a Switch-Off Time Variation Problem of a Fast Switching Valve

Rudolf Scheidl, Christoph Gradl, Helmut Kogler, Paul Foschum, Andreas Plöckinger
Proc. ASME. FPMC2014, ASME/BATH 2014 Symposium on Fluid Power and Motion Control, V001T01A033, September 10–12, 2014
Paper No: FPMC2014-7851
DOI: https://doi.org/10.1115/FPMC2014-7851
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Topics: Switches, Valves, Dimensions, Errors, Fluids, Friction, Manufacturing, Stiction
Proceedings Papers

Development of an Energy Saving Hydraulic Stepper Drive

Christoph Gradl, Ivo Kovacic, Rudolf Scheidl
Proc. ASME. FPNI2014, 8th FPNI Ph.D Symposium on Fluid Power, V001T01A001, June 11–13, 2014
Paper No: FPNI2014-7809
DOI: https://doi.org/10.1115/FPNI2014-7809
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Topics: Wafer steppers, Pistons, Flow (Dynamics), Fluids, Hydraulics, Pressure, Valves, Cylinders, Dimensions, Energy efficiency
Proceedings Papers

An Oil Stiction Model for Flat Armature Solenoid Switching Valves

Rudolf Scheidl, Christoph Gradl
Proc. ASME. FPMC2013, ASME/BATH 2013 Symposium on Fluid Power and Motion Control, V001T01A041, October 6–9, 2013
Paper No: FPMC2013-4467
DOI: https://doi.org/10.1115/FPMC2013-4467
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Topics: Solenoids, Stiction, Valves, Cavitation, Plates (structures), Pressure, Design, Finite volume methods, Flow (Dynamics), Force control
Proceedings Papers

A Basic Study on the Response Dynamics of Pulse-Frequency Controlled Digital Hydraulic Drives

Christoph Gradl, Rudolf Scheidl
Proc. ASME. FPMC2013, ASME/BATH 2013 Symposium on Fluid Power and Motion Control, V001T01A022, October 6–9, 2013
Paper No: FPMC2013-4438
DOI: https://doi.org/10.1115/FPMC2013-4438
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Topics: Dynamics (Mechanics), Hydraulic drive systems, Dimensions, Flow (Dynamics), Hydraulics, Oscillations, Pressure, Pulse width modulation, Shapes, System dynamics