• Pontoppidanstræde 111, 1115

    9220 Aalborg Ø

    Denmark

  • Denmark

20122019
If you made any changes in Pure these will be visible here soon.

Research Output 2012 2018

  • 33 Article in proceeding
  • 11 Journal article
  • 1 Ph.D. thesis
Filter
Article in proceeding
2018
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

Layer ToF Methods for Ultrasonic Lubrication-film Thickness Measurements

Kæseler, R. L., Johansen, N. W. & Johansen, P., Oct 2018, ICCMA 2018 - Proceedings of the 6th International Conference on Control, Mechatronics and Automation. Association for Computing Machinery, p. 149-153 5 p. (ACM International Conference Proceedings Series).

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

lubrication
film thickness
ultrasonics
ultrasonic radiation
hydraulics
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

Spectrum Estimation in Autocalibration of Ultrasonic Reflectometry Methods for Lubrication Film Thickness Measurements

Kæseler, R. L. & Johansen, P., Oct 2018, ICCMA 2018 - Proceedings of the 6th International Conference on Control, Mechatronics and Automation. Association for Computing Machinery, p. 154-158 5 p. (ACM International Conference Proceedings Series).

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

Thickness measurement
Lubrication
Film thickness
Ultrasonics
Calibration
2017
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
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
2 Citations (Scopus)

Investigation of Squeeze Film Damping and Associated Loads

Johansen, P., Bender, N. C., Hansen, A. H. & Schmidt, L., Oct 2017, Proceedings of the ASME/BATH Symposium on Fluid Power & Motion Control. American Society of Mechanical Engineers, 9 p.

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

Damping
Equations of motion
Hydraulics
Viscosity
Lubrication

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
2016
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
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

Valve and Manifold considerations for Efficient Digital Hydraulic Machines

Roemer, D. B., Nørgård, C., Bech, M. M. & Johansen, P., Nov 2016, Proceedings of the 8th Workshop on Digital Fluid Power (DFP16). Tampere University of Technology, 2016. Tampere University of Technology, p. 213-227 16 p.

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

Open Access
Hydraulics
Actuators
Hydraulic motors
Global optimization
Computer aided design
2015

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
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

Morphological topology generation of a digital fluid power displacement unit using Chebychev-Grübler-Kutzbach constraint

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Aug 2015, Proceedings of the 2015 International Conference on Fluid Power and Mechatronics (FPM). IEEE Press, p. 227-230 4 p.

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

Topology
Fluids
Degrees of freedom (mechanics)
Pistons
Wind turbines
7 Citations (Scopus)

On the application of reynolds theory to thermo-piezo-viscous lubrication in oil hydraulics

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Aug 2015, Proceedings of the 2015 International Conference on Fluid Power and Mechatronics (FPM). IEEE Press, p. 58-62 5 p.

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

Lubrication
Hydraulics
Reynolds equation
Conservation
Momentum
9 Citations (Scopus)

On the Influence of Piston and Cylinder Density in Tribodynamics of a Radial Piston Digital Fluid Power Displacement Motor

Johansen, P., Roemer, D. B., Andersen, T. O. & Pedersen, H. C., Oct 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

Pistons
Fluids
Fluid mechanics
Equations of motion
Lubrication
2014

A Frequency Response Approach to Sliding Control Design for Hydraulic Drives

Schmidt, L., Johansen, P. & Andersen, T. O., Oct 2014, Proceedings of the 9th JFPS International Symposium on Fluid Power. Japan Fluid Power System Society , p. 512-519 8 p.

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

Hydraulic drives
Frequency response
Controllers
Boundary layers
Switching frequency
6 Citations (Scopus)

Analytical Thermal Field Theory Applicable to Oil Hydraulic Fluid Film Lubrication

Johansen, P., Roemer, D. B., Pedersen, H. C. & Andersen, T. O., Sep 2014, Proceedings of the ASME/BATH 2014 Symposium on Fluid Power & Motion Control (FPMC). American Society of Mechanical Engineers, p. 1-8 8 p.

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

hydraulics
fluid
oil
perturbation
energy conservation
3 Citations (Scopus)

Design Method for Fast Switching Seat Valves for Digital Displacement Machines

Roemer, D. B., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2014, Proceedings of the 8th FPNI PhD Symposium on Fluid Power. American Society of Mechanical Engineers, 11 p.

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

Seats
Magnetic actuators
Fluid dynamics
Pistons
Strength of materials

Modelling of Spatial Conformal Lubricated Joints in Fluid Power Multibody Systems

Johansen, P., Roemer, D. B., Pedersen, H. C. & Andersen, T. O., Oct 2014, Proceedings of the 9th JFPS International Symposium on Fluid Power. Japan Fluid Power System Society

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

Multibody Dynamics of a Fluid Power Radial Piston Motor Including Transient Hydrodynamic Pressure Models of Lubricating Gaps

Johansen, P., Rømer, D., Andersen, T. O. & Pedersen, H. C., 2014, Proceedings of the ASME/BATH 2013 Symposium on Fluid Power & Motion Control: FPMC 2013. American Society of Mechanical Engineers, 10 p. V001T01A039-1

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

Pistons
Hydrodynamics
Fluids
Machinery
Lubrication
8 Citations (Scopus)

Oil Stiction in Fast Switching Annular Seat Valves for Digital Displacement Fluid Power Machines

Roemer, D. B., Johansen, P., Pedersen, H. C. & Andersen, T. O., Jun 2014, Proceedings of the 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014. American Society of Mechanical Engineers, 9 p.

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

Stiction
Seats
Fluids
Cavitation
Reynolds equation

Simulation and Experimental Testing of an Actuator for a Fast Switching On-Off Valve Suitable to Efficient Displacement Machines

Roemer, D. B., Johansen, P., Bech, M. M. & Pedersen, H. C., Oct 2014, Proceedings of the 9th JFPS International Symposium on Fluid Power. Japan Fluid Power System Society , 7 p.

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

Actuators
Seats
Testing
Displacement control
Crankshafts
2013

A Modelling Approach to Multibody Dynamics of Fluid Power Machinery with Hydrodynamic Lubrication

Johansen, P., Rømer, D., Andersen, T. O. & Pedersen, H. C., 2013, Proceedings of the 8th International Conference on Fluid Power Transmission and Control, ICFP 2013. World Publishing Cooperation, p. 228-232 5 p.

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

Lubrication
Machinery
Hydrodynamics
Fluids
Hydraulic drives

Analysis of Valve Requirements for High-Efficiency Digital Displacement Fluid Power Motors

Rømer, D., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2013, Proceedings of the 8th International Conference on Fluid Power Transmission and Control , ICFP 2013. World Publishing Cooperation, p. 122-126 5 p.

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

Fluids
Plant shutdowns
Mechatronics
11 Citations (Scopus)

Optimization of geometry of annular seat valves suitable for Digital Displacement fluid power pumps/motors

Rømer, D., Johansen, P., Pedersen, H. C. & Andersen, T. O., Aug 2013, Proceedings of the 2013 IEEE International Conference on the Mechatronics and Automation (ICMA). IEEE Press, p. 544-549 6 p.

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

Seats
Pumps
Fluids
Geometry
Mechatronics
1 Citation (Scopus)

Simulation of dynamic behaviour of a digital displacement motor using transient 3d computational fluid dynamics analysis

Rømer, D., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2013, Proceedings of the ASME/BATH 2013 Symposium on Fluid Power and Motion Control: FPMC 2013. American Society of Mechanical Engineers, 10 p. V001T01A042

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

Dynamic analysis
Computational fluid dynamics
Fluids
Pistons
Seats
9 Citations (Scopus)

Topology Selection and Analysis of Actuator for Seat Valves suitable for use in Digital Displacement Pumps/Motors

Rømer, D., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2013, Proceedings of the 2013 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE Press, p. 418-424 7 p.

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

Seats
Actuators
Topology
Pumps
Fluids
2012

Analysis of Dynamic Properties of a Fast Switching On-Off Valve for Digital Displacement Pumps

Rømer, D., Johansen, P., Pedersen, H. C. & Andersen, T. O., 2012, Proceedings of the ASME Symposium on Fluid Power and Motion Control (FPMC 2012). American Society of Mechanical Engineers, p. 151-164 15 p.

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

Pumps
Controllability
Fluids