• Pontoppidanstræde 111, 1-112

    9220 Aalborg Ø

    Denmark

20002023
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Research Output 2000 2019

2019
2 Citations (Scopus)
43 Downloads (Pure)

Classification and Review of Pump-Controlled Differential Cylinder Drives

Ketelsen, S., Padovani, D., Andersen, T. O., Ebbesen, M. K. & Schmidt, L., 4 Apr 2019, In : Energies. 12, 7, 27 p., 1293.

Research output: Contribution to journalReview articleResearchpeer-review

Open Access
File
Pump
Hydraulic System
Hydraulics
Pumps
Literature Review
1 Downloads (Pure)

Dynamic Response of a Digital Displacement Motor Operating with Various Displacement Strategies

Nordås, S., Bech, M. M., Ebbesen, M. K. & Andersen, T. O., Aug 2019, In : Energies. 12, 9, 25 p., 1737.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Dynamic Response
Dynamic response
Stroke
Reciprocating pumps
Transient State

Feasibility of Deep Neural Network Surrogate Models in Fluid Dynamics

Bender, N. C., Pedersen, H. C. & Andersen, T. O., Apr 2019, In : Modeling, Identification and Control (Online). 40, 2, p. 71-87 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Surrogate Model
Fluid Dynamics
Fluid dynamics
Network Model
Artificial Neural Network
2018
1 Citation (Scopus)

A multi-agent evolution algorithm used for input shaping of a repetitive non-linear dynamic system

Bender, N. C., Pedersen, H. C., Bech, M. M. & Andersen, T. O., Sep 2018, Proceedings of the BATH/ASME 2018 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, p. 1-10 10 p. FPMC2018-8870

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Dynamical systems
Optimal systems
Seats
Nonlinear systems
Decision making

Analysis and Control of a Self-Contained Hydraulic Winch Drive

Schmidt, L., Pedersen, H. C., Donkov, V. H. & Andersen, T. O., Sep 2018, Proceedings of the BATH/ASME 2018 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 11 p. FPMC2018-8889

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Winches
Hydraulics
Fishing vessels
Offshore wind turbines
Marine applications

Analysis of requirements for valve accuracy and repeatability in high efficiency digital displacement motors

Nordås, S., Ebbesen, M. K. & Andersen, T. O., Sep 2018, Proceedings of the BATH/ASME 2018 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, p. 1-11 11 p. FPMC2018-8908

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Compressibility
Pistons
Piston displacement
Friction

Application of Model Predictive Control in Discrete Displacement Cylinders to Drive a Knuckle Boom Crane

Donkov, V. H., Andersen, T. O., Pedersen, H. C. & Ebbesen, M. K., 25 Sep 2018, Proceedings of the 2018 Global Fluid Power Society PhD Symposium . IEEE Press, p. 1-7 7 p. 8472363

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Model predictive control
Cranes
Three term control systems
Energy efficiency
Energy dissipation
4 Citations (Scopus)
103 Downloads (Pure)

Challenges with Respect to Control of Digital Displacement Hydraulic Units

Pedersen, N. H., Johansen, P. & Andersen, T. O., Jan 2018, In : Modeling, Identification and Control (Online). 39, 2, p. 91-105 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
52 Downloads (Pure)

Control of an Energy Efficient Hydraulic Cylinder Drive with Multiple Pressure Lines

Pedersen, N. H., Jensen, S. C., Hansen, R. H., Hansen, A. H. & Andersen, T. O., Nov 2018, In : Modeling, Identification and Control (Online). 39, 4, p. 245-259 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Energy Efficient
Hydraulics
Line
Force control
Energy efficiency
5 Citations (Scopus)
68 Downloads (Pure)

Energy Saving Potential in Knuckle Boom Cranes using a Novel Pump Controlled Cylinder Drive

Ketelsen, S., Schmidt, L., Donkov, V. H. & Andersen, T. O., May 2018, In : Modeling, Identification and Control (Online). 39, 2, p. 73-89 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Cranes
Energy Saving
Pump
Energy conservation
Pumps
2 Citations (Scopus)
64 Downloads (Pure)

Flow Characteristics and Sizing of Annular Seat Valves for Digital Displacement Machines

Nørgård, C., Bech, M. M., Andersen, T. O. & Christensen, J. H., Jan 2018, In : Modeling, Identification and Control. 39, 1, p. 23-35 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Seats
Prototype
Power Flow
Excel
Pressure Drop
2 Citations (Scopus)

Four quadrant hybrid control oriented dynamical system model of digital displacement ® units

Pedersen, N. H., Johansen, P. & Andersen, T. O., Sep 2018, Proceedings of the Bath/ASME Symposium on Fluid Power and Motion Control, FPMC2018. American Society of Mechanical Engineers, 9 p. FPMC2018-8874

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Dynamical systems
System theory
Feedback control
Modular construction
Differential equations

Isogeometric Tribodynamics of a Radial Piston Fluid Power Motor

Cerimagic, R., Johansen, P. & Andersen, T. O., Jul 2018, Proceedings of the 2018 Global Fluid Power Society PhD Symposium, GFPS 2018. IEEE Press, p. 1-7 7 p. 8472376

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Pistons
Lubrication
Fluids
Hydrodynamics
Engine cylinders
3 Citations (Scopus)
144 Downloads (Pure)

Modeling and Validation of Moving Coil Actuated Valve for Digital Displacement Machines

Nørgård, C., Bech, M. M., Christensen, J. H. & Andersen, T. O., Nov 2018, In : I E E E Transactions on Industrial Electronics. 65, 11, p. 8749-8757 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Actuators
Fluids
Seats
Energy conversion
Ordinary differential equations

Modelling of Solenoid Actuated Fast Switching Valve for Digital Hydraulic Machines

Matbouei, A., Bech, M. M. & O. Andersen, T., Jul 2018, 2018 Global Fluid Power Society PhD Symposium, GFPS 2018. IEEE Press, p. 1-6 6 p. 8472392

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Solenoids
Actuators
Hydraulics
Ordinary differential equations
Finite element method
2 Citations (Scopus)

Model Predictive Control and Discrete Analysis of Partial Stroke Operated Digital Displacement Unit

Pedersen, N. H., Johansen, P. & Andersen, T. O., Jul 2018, Proceedings of the IEEE Global Fluid Power Society PhD Symposium, GFPS2018. IEEE Press, p. 1-9 9 p. 8472366

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Model predictive control
Energy efficiency
Dynamic analysis
Pumps
3 Citations (Scopus)
92 Downloads (Pure)

Model Predictive Control of Low-Speed Partial Stroke Operated Digital Displacement Pump Unit

Pedersen, N. H., Johansen, P., Hansen, A. H. & Andersen, T. O., Aug 2018, In : Modeling, Identification and Control (Online). 39, 3, p. 167-177 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
4 Citations (Scopus)

Optimal control of a wind turbine with digital fluid power transmission

Pedersen, N. H., Johansen, P. & Andersen, T. O., Jan 2018, In : Nonlinear Dynamics. 91, 1, p. 591-607 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Wind Turbine
Power transmission
Wind turbines
Optimal Control
Fluid
5 Citations (Scopus)

Pressure Feedback in Fluid Power Systems--Active Damping Explained and Exemplified

Pedersen, H. C. & Andersen, T. O., Jan 2018, In : I E E E Transactions on Control Systems Technology. 26, 1, p. 102-113 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Damping
Feedback
Fluids
Controllers
Servomechanisms

Valve shifting time in a digital fluid power system: Energy efficiency versus fatigue loading

Hansen, A. H., Asmussen, M. F. & Andersen, T. O., Oct 2018, Proceedings of the 6th International Conference on Control, Mechatronics and Automation. Association for Computing Machinery, p. 128-132 5 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Energy efficiency
Takeoff
Fatigue of materials
Fluids
2017

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

Schmidt, L., Andersen, T. O., Pedersen, H. C. & Bech, M. M., Oct 2017, Proceedings of ASME/Bath 2017 Symposium on Fluid Power & Motion Control. American Society of Mechanical Engineers, 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Winches
Hydraulics
Hydraulic drives
Controllers
Position control

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

Schmidt, L., Andersen, T. O., Pedersen, H. C. & Hansen, A. H., Oct 2017, Proceedings of ASME/Bath 2017 Symposium on Fluid Power & Motion Control. American Society of Mechanical Engineers, 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Winches
Hydraulics
Pumps
Hydraulic motors
Networks (circuits)

Applying digital hydraulic technology on a knuckle boom crane

Donkov, V. H., Andersen, T. O., Ebbesen, M. K. & Pedersen, H. C., Sep 2017, Proceedings of the 9th Workshop on Digital Fluid Power. Aalborg University, Vol. 9. p. 1-15 15 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Cranes
Hydraulics
Energy utilization
Controllers
3 Citations (Scopus)

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

Schmidt, L., Andersen, T. O., Johansen, P. & Pedersen, H. C., Oct 2017, Proceedings of ASME/Bath 2017 Symposium on Fluid Power & Motion Control. American Society of Mechanical Engineers, 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Hydraulic drives
Robust control
Low pass filters
Compensation and Redress
Winches
9 Citations (Scopus)

Discrete linear time invariant analysis of digital fluid power pump flow control

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., 1 Oct 2017, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 139, 10, 8 p., 101007.

Research output: Contribution to journalJournal articleResearchpeer-review

fluid power
Flow control
Pumps
pumps
Fluids
6 Citations (Scopus)

Event-driven control of a speed varying digital displacement machine

Pedersen, N. H., Johansen, P. & Andersen, T. O., Oct 2017, Proceedings of the 2017 Bath/ASME Symposium on Fluid Power and Motion Control, FPMC2017. American Society of Mechanical Engineers, 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Control theory
Controllers
Control system stability
Sampling
Disturbance rejection
5 Citations (Scopus)
102 Downloads (Pure)

Feasibility study of electromechanical cylinder drivetrain for offshore mechatronic systems

Hagen, D., Pawlus, W., Ebbesen, M. K. & Andersen, T. O., 2017, In : Modeling, Identification and Control. 38, 2, p. 59-77 19 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Drilling equipment
Offshore drilling
Mechatronics
Hydraulics
Electric actuators

Non-linear hybrid control oriented modelling of a digital displacement machine

Pedersen, N. H., Johansen, P., Andersen, T. O. & Scheidl, R., Sep 2017, Proceedings of 9th Workshop on Digital Fluid Power, DFP 2017. Department of Energy Technology, Aalborg University, 14 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Feedback control
Fluids
Pressure control
Torque control
Speed control
10 Citations (Scopus)

Position Control of an Over‐Actuated Direct Hydraulic Cylinder Drive

Schmidt, L., Grønkjær, M., Pedersen, H. C. & Andersen, T. O., Jul 2017, In : Control Engineering Practice. 64, p. 1-14 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Position Control
Position control
Hydraulics
Pump
Control Strategy

Test Rig for Valves of Digital Displacement Machines

Nørgård, C., Christensen, J. H., Bech, M. M., Hansen, A. H. & Andersen, T. O., Sep 2017, Proceedings of 9th Workshop on Digital Fluid Power, DFP 2017. Department of Energy Technology, Aalborg University, 13 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Pistons
Testing
2016
1 Citation (Scopus)

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

Hansen, A. H., Schmidt, L., Pedersen, H. C. & Andersen, T. O., Oct 2016, Proceedings of the 9th FPNI Ph.D. Symposium on Fluid Power. American Society of Mechanical Engineers, 10 p. FPNI2016-1522

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Hydraulics
Controllers
Root loci
Reels
Feedforward control
1 Citation (Scopus)

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

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Oct 2016, Proceedings of the 9th FPNI PhD Symposium on Fluid Power. American Society of Mechanical Engineers, 8 p. FPNI2016-1554

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Energy dissipation
Friction
Tribology
Fluids
Numerical models
1 Citation (Scopus)

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

Schmidt, L., Hansen, A. H., Andersen, T. O. & Pedersen, H. C., Oct 2016, Proceedings of 2016 9th FPNI Ph.D Symposium on Fluid Power. American Society of Mechanical Engineers, 9 p. FPNI2016-1521

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Cascades (fluid mechanics)
Hydraulics
Hydraulic drives
Pistons
Motion control
4 Citations (Scopus)
Feedback control
Hydraulics
Controllers
Amplification
Time delay
11 Citations (Scopus)

Design of full scale wave simulator for testing Power Take Off systems for wave energy converters

Pedersen, H. C., Hansen, R. H., Hansen, A. H., Andersen, T. O. & Bech, M. M., Apr 2016, In : International Journal of Marine Energy. 13, p. 130–156 27 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Takeoff
wave energy
simulator
Simulators
Testing
1 Citation (Scopus)

Dynamic Analysis & Characterization of Conventional Hydraulic Power Supply Units

Schmidt, L., Liedhegener, M., Bech, M. M. & Andersen, T. O., Sep 2016, Proceedings of the BATH/ASME 2016 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 10 p. FPMC2016-1756

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Dynamic analysis
Hydraulics
Induction motors
Pumps
Pressure control

Guidelines for Properly Adjustning Pressure Feedback in Systems with Over-Centre Valves

Pedersen, H. C., Andersen, T. O. & Hansen, M. R., Sep 2016, Proceedings of BATH/ASME 2016 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 9 p. FPMC2016-1780

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Feedback
Damping
Pressure control
Orifices
Flow control
2 Citations (Scopus)

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

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Oct 2016, Proceedings of the 9th FPNI PhD Symposium on Fluid Power, 2016. American Society of Mechanical Engineers, 10 p. FPNI2016-1551

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Hydrostatic bearings
Hydrostatic pressure
Lubricants
Hydraulics
Bearings (structural)
6 Citations (Scopus)

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

Pedersen, N. H., Johansen, P. & Andersen, T. O., Oct 2016, Proceedings of the 9th FPNI Ph.D. Symposium on Fluid Power. American Society of Mechanical Engineers, 10 p. FPNI2016-1537

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Power transmission
Wind turbines
Feedback control
Fluids
Modulators
3 Citations (Scopus)

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

Cerimagic, R., Johansen, P., Andersen, T. O. & Pedersen, H. C., Oct 2016, Proceedings of the 9th FPNI PhD Symposium on Fluid Power, 2016. American Society of Mechanical Engineers, 10 p. FPNI2016-1539

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Tribology
Fluids
Wear of materials
Elastohydrodynamics
Power transmission
2015

A low order adaptive control scheme for hydraulic servo systems

Andersen, T. O., Pedersen, H. C., Bech, M. M. & Schmidt, L., Aug 2015, Proceedings of the 2015 International Conference on Fluid Power and Mechatronics (FPM). IEEE Press, p. 1148-1152 5 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Servomechanisms
Hydraulics
Torque control
Manipulators
Controllers
11 Citations (Scopus)

Comparison of Methods for Modeling a Hydraulic Loader Crane With Flexible Translational Links

Pedersen, H. C., Andersen, T. O. & Nielsen, B. K., Jul 2015, In : Journal of Dynamic Systems, Measurement and Control. 137, 10, 15 p., DS-14-1456.

Research output: Contribution to journalJournal articleResearchpeer-review

cranes
Loaders
Cranes
hydraulics
Hydraulics

Delta-Sigma Modulated Displacement of a Digital Fluid Power Pump

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Feb 2015, Proceedings of the 7th Workshop on Digital Fluid Power. LCM GmbH, p. 1-9 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Modulation
Pumps
Fluids
Delta sigma modulation
Chemical activation
1 Citation (Scopus)

Discrete Learning Control with Application to Hydraulic Actuators

Andersen, T. O., Pedersen, H. C. & Hansen, M. R., 2015, In : Modeling, Identification and Control (Online). 36, 4, p. 215-224 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Learning Control
Hydraulic actuators
Hydraulics
Actuator
Disturbance
2 Citations (Scopus)
242 Downloads (Pure)

Experimental Validation of Mathematical Framework for Fast Switching Valves used in Digital Hydraulic Machines

Nørgård, C., Roemer, D. B., Bech, M. M. & Andersen, T. O., Oct 2015, Proceedings of the ASME/BATH 2015 Symposium on Fluid Power and Motion Control, FPMC 2015. American Society of Mechanical Engineers, p. 1-9 9 p. FPMC2015-9612

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
Actuators
Hydraulics
Hydraulic motors
Hydraulic drives
Seats
11 Citations (Scopus)

Fluid stiction modeling for quickly separating plates considering the liquid tensile strength

Roemer, D. B., Johansen, P., Pedersen, H. C. & Andersen, T. O., Jun 2015, In : Journal of Fluids Engineering. 137, 6, 8 p., 061205.

Research output: Contribution to journalJournal articleResearchpeer-review

Stiction
Tensile strength
Fluids
Liquids
Cavitation
2 Citations (Scopus)

Investigation of Load Reduction possibilities in Wind Turbines with Fluid Power Pitch System

Pedersen, H. C., Andersen, T. O. & Liniger, J., Oct 2015, Proceedings of the ASME/Bath 2015 Symposium on Fluid Power & Motion Control . American Society of Mechanical Engineers, p. V001T01A051 10 p. FPMC2015-9598

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Investigation of New Servo Drive Concept Utilizing Two Fixed Displacement Units

Pedersen, H. C., Schmidt, L., Andersen, T. O. & Brask, M. H., Sep 2015, In : JFPS International Journal of Fluid Power System. 8, 1, p. 1-9 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Hydraulic drives
Cavitation
Pumps
3 Citations (Scopus)

Modeling of Dynamic Fluid Forces in Fast Switching Valves

Roemer, D. B., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2015, Proceedings of the ASME/BATH 2015 Symposium on Fluid Power and Motion Control, FPMC 2015. American Society of Mechanical Engineers, p. 1-10 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Fluid dynamics
Fluids
Computational fluid dynamics
Geometry
Computer simulation
10 Citations (Scopus)

Modeling of movement-induced and flow-induced fluid forces in fast switching valves

Roemer, D. B., Johansen, P., Schmidt, L. & Andersen, T. O., Aug 2015, Proceedings of the 2015 International Conference on Fluid Power and Mechatronics (FPM). IEEE Press, p. 978-983 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Fluids
Computational fluid dynamics
Dynamic analysis
Navier Stokes equations
Energy efficiency