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Torben O. Andersen
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Proceedings Papers

Investigating the Influence of Design Parameters on the Fluid-Structure Interaction in Fast Switching Valves

Henrik C. Pedersen, Torben O. Andersen, Niels C. Bender
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A060, October 19–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2021-70569
https://doi.org/10.1115/FPMC2021-70569
View Paper titled, Investigating the Influence of Design Parameters on the Fluid-Structure Interaction in Fast Switching Valves
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Topics: Design, Fluid structure interaction, Valves, Fluids, Computational fluid dynamics, Flow (Dynamics), Optimization, Simulation, Annulus, Approximation
Proceedings Papers

Definition of Performance Requirements and Test Cases for Offshore/Subsea Winch Drive Systems With Digital Hydraulic Motors

Sondre Nordås, Morten K. Ebbesen, Torben O. Andersen
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A033, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1670
https://doi.org/10.1115/FPMC2019-1670
View Paper titled, Definition of Performance Requirements and Test Cases for Offshore/Subsea Winch Drive Systems With Digital Hydraulic Motors
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Topics: Hydraulic motors, Ocean engineering, Cranes, Displacement, Tension, Vessels, Design, Force control, Seas, Surface roughness
Proceedings Papers

Analysis and Control of a Self-Contained Hydraulic Winch Drive

Lasse Schmidt, Henrik C. Pedersen, Viktor H. Donkov, Torben O. Andersen
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A044, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8889
https://doi.org/10.1115/FPMC2018-8889
View Paper titled, Analysis and Control of a Self-Contained Hydraulic Winch Drive
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Topics: Blades, Cranes, Design, Displacement, Drilling rigs, Dynamics (Mechanics), Engines, Flow (Dynamics), Flow control valves, Hydraulics
Proceedings Papers

Four Quadrant Hybrid Control Oriented Dynamical System Model of Digital Displacement ® Units

Niels H. Pedersen, Per Johansen, Torben O. Andersen
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A039, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8874
https://doi.org/10.1115/FPMC2018-8874
View Paper titled, Four Quadrant Hybrid Control Oriented Dynamical System Model of Digital Displacement ® Units
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Topics: Displacement, Dynamic systems, Hybrid control, Pressure, Feedback, Machinery, Approximation, Discrete systems, Dynamics (Mechanics), Fluids
Proceedings Papers

A Multi-Agent Evolution Algorithm Used for Input Shaping of a Repetitive Non-Linear Dynamic System

Niels C. Bender, Henrik C. Pedersen, Michael M. Bech, Torben O. Andersen
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A036, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8870
https://doi.org/10.1115/FPMC2018-8870
View Paper titled, A Multi-Agent Evolution Algorithm Used for Input Shaping of a Repetitive Non-Linear Dynamic System
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Topics: Evolutionary algorithms, Nonlinear dynamical systems, Algorithms, Design, Chaos, Control algorithms, Decision making, Displacement, Nonlinear systems, Shapes
Proceedings Papers

Analysis of Requirements for Valve Accuracy and Repeatability in High Efficiency Digital Displacement Motors

Sondre Nordås, Morten K. Ebbesen, Torben O. Andersen
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A055, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8908
https://doi.org/10.1115/FPMC2018-8908
View Paper titled, Analysis of Requirements for Valve Accuracy and Repeatability in High Efficiency Digital Displacement Motors
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Topics: Displacement, Motors, Valves, Machinery, Flow (Dynamics), Pistons, Compressibility, Cylinders, Friction, High pressure (Physics)
Proceedings Papers

Event-Driven Control of a Speed Varying Digital Displacement Machine

Niels H. Pedersen, Per Johansen, Torben O. Andersen
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A029, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4260
https://doi.org/10.1115/FPMC2017-4260
View Paper titled, Event-Driven Control of a Speed Varying Digital Displacement Machine
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Topics: Displacement, Machinery, Control equipment, Control theory, Feedback, Design, Differential equations, Electric motors, Engines, Fluids
Proceedings Papers

A Robust Control Concept for Hydraulic Drives Based on Second Order Sliding Mode Disturbance Compensation

Lasse Schmidt, Torben O. Andersen, Per Johansen, Henrik C. Pedersen
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A033, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4265
https://doi.org/10.1115/FPMC2017-4265
View Paper titled, A Robust Control Concept for Hydraulic Drives Based on Second Order Sliding Mode Disturbance Compensation
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Topics: Hydraulic drive systems, Robust control, Algorithms, Dynamics (Mechanics), Low-pass filters, Valves, Approximation, Design, Hardware, Robustness
Proceedings Papers

An Energy Efficient Hydraulic Winch Drive Concept Based on a Speed-Variable Switched Differential Pump

Lasse Schmidt, Torben O. Andersen, Henrik C. Pedersen, Anders H. Hansen
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A034, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4266
https://doi.org/10.1115/FPMC2017-4266
View Paper titled, An Energy Efficient Hydraulic Winch Drive Concept Based on a Speed-Variable Switched Differential Pump
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Topics: Pumps, Valves, Flow (Dynamics), Servo drives, Circuits, Cylinders, Design, Dynamics (Mechanics), Hydraulic motors, Hydrostatics
Proceedings Papers

An Arbitrary Order Adaptive Control Structure With Application to a Hydraulic Winch Drive

Lasse Schmidt, Torben O. Andersen, Henrik C. Pedersen, Michael M. Bech
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A035, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4267
https://doi.org/10.1115/FPMC2017-4267
View Paper titled, An Arbitrary Order Adaptive Control Structure With Application to a Hydraulic Winch Drive
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Topics: Adaptive control, Algorithms, Control equipment, Design, Bulk modulus, Certainty, Dynamic models, Dynamics (Mechanics), Hydraulic drive systems, Leakage
Journal Articles

Discrete Linear Time Invariant Analysis of Digital Fluid Power Pump Flow Control

Per Johansen, Daniel B. Roemer, Torben O. Andersen, Henrik C. Pedersen
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. October 2017, 139(10): 101007.
Paper No: DS-16-1005
https://doi.org/10.1115/1.4036554
Published Online: June 28, 2017
View Article titled, Discrete Linear Time Invariant Analysis of Digital Fluid Power Pump Flow Control
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Topics: Displacement, Flow (Dynamics), Flow control, Fluids, Pumps, Valves, Approximation, Control equipment, Stress, Design
Proceedings Papers

State of the Art Review on Theoretical Tribology of Fluid Power Displacement Machines

Remzija Ćerimagić, Per Johansen, Torben O. Andersen, Henrik C. Pedersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A026, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1539
https://doi.org/10.1115/FPNI2016-1539
View Paper titled, State of the Art Review on Theoretical Tribology of Fluid Power Displacement Machines
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Topics: Displacement, Fluids, Machinery, Tribology, Wear, Design, Modeling, Optimization, Reliability, Engineers
Proceedings Papers

Analysis of the Thermo-Viscous Effect on Friction and Energy Dissipation in Oil Lubricated Interfaces

Per Johansen, Daniel B. Roemer, Torben O. Andersen, Henrik C. Pedersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A034, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1554
https://doi.org/10.1115/FPNI2016-1554
View Paper titled, Analysis of the Thermo-Viscous Effect on Friction and Energy Dissipation in Oil Lubricated Interfaces
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Topics: Energy dissipation, Friction, Fluids, Tribology, Computer simulation, Lubrication, Approximation, Design, Film thickness, Lubricants
Proceedings Papers

An Analytic Approach to Cascade Control Design for Hydraulic Valve-Cylinder Drives

Lasse Schmidt, Anders H. Hansen, Torben O. Andersen, Henrik C. Pedersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A015, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1521
https://doi.org/10.1115/FPNI2016-1521
View Paper titled, An Analytic Approach to Cascade Control Design for Hydraulic Valve-Cylinder Drives
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Topics: Cascades (Fluid dynamics), Cylinders, Design, Valves, Hydraulic drive systems, Feedback, Pistons, Pressure, Flow (Dynamics), Motion control
Proceedings Papers

Influence of the Lubricant Thermo-Piezo-Viscous Property on Hydrostatic Bearings in Oil Hydraulics

Per Johansen, Daniel B. Roemer, Torben O. Andersen, Henrik C. Pedersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A031, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1551
https://doi.org/10.1115/FPNI2016-1551
View Paper titled, Influence of the Lubricant Thermo-Piezo-Viscous Property on Hydrostatic Bearings in Oil Hydraulics
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Topics: Bearings, Hydraulics, Hydrostatics, Lubricants, Hydrostatic pressure, Approximation, Design, Machinery, Viscosity, Engineers
Proceedings Papers

A Generic Model Based Tracking Controller for Hydraulic Valve-Cylinder Drives

Anders Hedegaard Hansen, Lasse Schmidt, Henrik C. Pedersen, Torben O. Andersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A016, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1522
https://doi.org/10.1115/FPNI2016-1522
View Paper titled, A Generic Model Based Tracking Controller for Hydraulic Valve-Cylinder Drives
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Topics: Control equipment, Cylinders, Valves, Design, Errors, Feedforward control, Pistons, Pole placement, Pressure, Reliability
Proceedings Papers

LQR Feedback Control Development for Wind Turbines Featuring a Digital Fluid Power Transmission System

Niels H. Pedersen, Per Johansen, Torben O. Andersen
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A024, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1537
https://doi.org/10.1115/FPNI2016-1537
View Paper titled, LQR Feedback Control Development for Wind Turbines Featuring a Digital Fluid Power Transmission System
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Topics: Feedback, Fluids, Wind turbines, Design, Displacement, Engines, Motors, Control equipment, Dynamic models, Machinery
Proceedings Papers

Guidelines for Properly Adjusting Pressure Feedback in Systems With Over-Centre Valves

Henrik C. Pedersen, Torben O. Andersen, Michael R. Hansen
Proc. ASME. FPMC2016, BATH/ASME 2016 Symposium on Fluid Power and Motion Control, V001T01A041, September 7–9, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2016-1780
https://doi.org/10.1115/FPMC2016-1780
View Paper titled, Guidelines for Properly Adjusting Pressure Feedback in Systems With Over-Centre Valves
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Topics: Feedback, Pressure, Valves, Filters, Damping, Active damping, Cylinders, Dynamic response, Dynamics (Mechanics), Flow control valves
Proceedings Papers

Dynamic Analysis and Characterization of Conventional Hydraulic Power Supply Units

Lasse Schmidt, Michael Liedhegener, Michael M. Bech, Torben O. Andersen
Proc. ASME. FPMC2016, BATH/ASME 2016 Symposium on Fluid Power and Motion Control, V001T01A026, September 7–9, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2016-1756
https://doi.org/10.1115/FPMC2016-1756
View Paper titled, Dynamic Analysis and Characterization of Conventional Hydraulic Power Supply Units
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Topics: Accounting, Dynamic analysis, Dynamics (Mechanics), Electromagnetic induction, Excitation, Flow (Dynamics), Hydraulic drive systems, Motors, Pistons, Pressure
Proceedings Papers

Investigation of Load Reduction Possibilities in Wind Turbines Using a Fluid Power Pitch System

Henrik C. Pedersen, Torben O. Andersen, Jesper Liniger
Proc. ASME. FPMC2015, ASME/BATH 2015 Symposium on Fluid Power and Motion Control, V001T01A051, October 12–14, 2015
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2015-9598
https://doi.org/10.1115/FPMC2015-9598
View Paper titled, Investigation of Load Reduction Possibilities in Wind Turbines Using a Fluid Power Pitch System
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Topics: Fluids, Stress, Wind turbines, Active damping, Fluid power systems, Actuators, Algorithms, Damping, Energy generation, Fatigue