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Proceedings Papers

Development of Boundary/Mixed Friction Models for Cylinder Block/Valve Plate Interface in a Novel Aerospace Electro-Hydrostatic Module

Dingchong Lyu, Jian Fu, Shoujun Zhao, Siyuan Chen
Proc. ASME. FPMC2024, BATH/ASME 2024 Symposium on Fluid Power and Motion Control, V001T01A019, September 11–13, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2024-140246
https://doi.org/10.1115/FPMC2024-140246
View Paper titled, Development of Boundary/Mixed Friction Models for Cylinder Block/Valve Plate Interface in a Novel Aerospace Electro-Hydrostatic Module
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Topics: Aerospace industry, Cylinders, Friction, Hydrodynamics, Hydrostatics, Rotordynamics, Valves, Rotors, Actuators, Bearings
Proceedings Papers

Hydraulic Drive Trains in Wind Turbines for Rapidly Changing Strong Winds

Bernhard Manhartsgruber
Proc. ASME. FPMC2023, ASME/BATH 2023 Symposium on Fluid Power and Motion Control, V001T01A064, October 16–18, 2023
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2023-111919
https://doi.org/10.1115/FPMC2023-111919
View Paper titled, Hydraulic Drive Trains in Wind Turbines for Rapidly Changing Strong Winds
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Topics: Hydraulic drive systems, Trains, Wind turbines, Generators, Rotors, Secondary cells, Wind, Wind energy, Wind velocity, Blades
Proceedings Papers

Incorporating a Rotatable Valve Cam to Improve the Efficiency of a Hydraulic Motor in an Inline Hydro-Mechanical Transmission (i-HMT)

Evan D. Sand, Perry Y. Li
Proc. ASME. FPMC2022, BATH/ASME 2022 Symposium on Fluid Power and Motion Control, V001T01A029, September 14–16, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2022-89553
https://doi.org/10.1115/FPMC2022-89553
View Paper titled, Incorporating a Rotatable Valve Cam to Improve the Efficiency of a Hydraulic Motor in an Inline Hydro-Mechanical Transmission (i-HMT)
Open the PDF for Incorporating a Rotatable Valve Cam to Improve the Efficiency of a Hydraulic Motor in an Inline Hydro-Mechanical Transmission (i-HMT) in another window
Topics: Hydraulic motors, Valves, Engines, Motors, Energy efficiency, Compressibility, Compression, Design, Displacement, Fluids
Proceedings Papers

Analysis of a Digital Pump With Variable Speed Drive

Samuel Kärnell, Liselott Ericson
Proc. ASME. FPMC2022, BATH/ASME 2022 Symposium on Fluid Power and Motion Control, V001T01A005, September 14–16, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2022-88503
https://doi.org/10.1115/FPMC2022-88503
View Paper titled, Analysis of a Digital Pump With Variable Speed Drive
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Topics: Pumps, Variable speed drives, Machinery, Displacement, Dynamics (Mechanics), Electrification, Flow (Dynamics), Hydraulic pumps, Simulation results
Proceedings Papers

Exhaustive Regressor Search (XRS) for Creating Models of Hydraulic Pumps and Motors

Jack Johnson, John Montague, Jose Garcia-Bravo
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A059, October 19–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2021-70568
https://doi.org/10.1115/FPMC2021-70568
View Paper titled, Exhaustive Regressor Search (XRS) for Creating Models of Hydraulic Pumps and Motors
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Topics: Flow (Dynamics), Hydraulic pumps, Motors, Pumps, Statistical analysis, Algorithms, Computers, Fluid power systems, Fluids, Machine learning
Proceedings Papers

Design and Efficiency Analysis of Closed Loop Pump Controlled Circuit Hydraulic Lifting System of Wheel Loaders Based on Gravity Self-Balancing Hydraulic Cylinder

Xiangyu Wang, Hongjuan Zhang, Xiaogang Zhang, Long Quan
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A038, October 19–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2021-68861
https://doi.org/10.1115/FPMC2021-68861
View Paper titled, Design and Efficiency Analysis of Closed Loop Pump Controlled Circuit Hydraulic Lifting System of Wheel Loaders Based on Gravity Self-Balancing Hydraulic Cylinder
Open the PDF for Design and Efficiency Analysis of Closed Loop Pump Controlled Circuit Hydraulic Lifting System of Wheel Loaders Based on Gravity Self-Balancing Hydraulic Cylinder in another window
Topics: Circuits, Design, Gravity (Force), Hydraulic cylinders, Pumps, Wheels, Potential energy, Valves, Hydraulic drive systems, Cylinders
Proceedings Papers

Modeling and Control of a Novel Electro-Hydrostatic Actuator With a Three-Ports Hydraulic Pump

Fengqi Zhou, Wenjian Xiao, Xiaoping Ouyang, Pengfei Zhang, Lilin Xu, Huayong Yang
Proc. ASME. FPMC2020, BATH/ASME 2020 Symposium on Fluid Power and Motion Control, V001T01A017, September 9–11, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2020-2736
https://doi.org/10.1115/FPMC2020-2736
View Paper titled, Modeling and Control of a Novel Electro-Hydrostatic Actuator With a Three-Ports Hydraulic Pump
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Topics: Actuators, Control modeling, Gates (Closures), Hydraulic pumps, Hydrostatics, Pumps
Proceedings Papers

Demonstration of Efficient Energy Recovery Systems Using Digital Displacement® Hydraulics

John Hutcheson, Daniel Abrahams, Jill Macpherson, Niall Caldwell, Win Rampen
Proc. ASME. FPMC2020, BATH/ASME 2020 Symposium on Fluid Power and Motion Control, V001T01A033, September 9–11, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2020-2767
https://doi.org/10.1115/FPMC2020-2767
View Paper titled, Demonstration of Efficient Energy Recovery Systems Using Digital Displacement® Hydraulics
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Topics: Displacement, Heat recovery, Hydraulics, Actuators, Off-road vehicles, Pumps, Architecture, Energy efficiency, Energy recovery, Fluids
Proceedings Papers

Valve Timing and Area Profile Selection for Hydraulic Pumps and Motors

Grey C. Boyce-Erickson, Thomas R. Chase, James D. Van de Ven
Proc. ASME. FPMC2020, BATH/ASME 2020 Symposium on Fluid Power and Motion Control, V001T01A042, September 9–11, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2020-2779
https://doi.org/10.1115/FPMC2020-2779
View Paper titled, Valve Timing and Area Profile Selection for Hydraulic Pumps and Motors
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Topics: Hydraulic pumps, Motors, Valves, Pressure, Cylinders, Pumps, Geometry, Pistons, Rotation, Architecture
Proceedings Papers

Influence of Inertia Terms on High Pressure Gap Flow Applications in Hydraulics

Felix Fischer, Andreas Rhein, Katharina Schmitz
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A001, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1601
https://doi.org/10.1115/FPMC2019-1601
View Paper titled, Influence of Inertia Terms on High Pressure Gap Flow Applications in Hydraulics
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Topics: Flow (Dynamics), High pressure (Physics), Hydraulics, Inertia (Mechanics), Pumps, Pistons, Pressure, Fluids, Navier-Stokes equations, Bushings
Proceedings Papers

Experimental Testing of a Variable Displacement Pump/Motor That Uses a Hydro-Mechanically Timed Digital Valving Mechanism to Achieve Partial-Stroke Piston Pressurization (PSPP)

Alissa Montzka, Nathan Epstein, Michael Rannow, Thomas R. Chase, Perry Y. Li
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A047, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1693
https://doi.org/10.1115/FPMC2019-1693
View Paper titled, Experimental Testing of a Variable Displacement Pump/Motor That Uses a Hydro-Mechanically Timed Digital Valving Mechanism to Achieve Partial-Stroke Piston Pressurization (PSPP)
Open the PDF for Experimental Testing of a Variable Displacement Pump/Motor That Uses a Hydro-Mechanically Timed Digital Valving Mechanism to Achieve Partial-Stroke Piston Pressurization (PSPP) in another window
Topics: Displacement, Engines, Motors, Pistons, Pumps, Testing, Valves, Engineering prototypes, Friction, High pressure (Physics)
Proceedings Papers

Measuring the Losses of Hydrostatic Pumps and Motors: A Critical Review of ISO4409:2007

Peter Achten, Robin Mommers, Takao Nishiumi, Hubertus Murrenhoff, Nariman Sepehri, Kim Stelson, Jan-Ove Palmberg, Katharina Schmitz
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A007, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1615
https://doi.org/10.1115/FPMC2019-1615
View Paper titled, Measuring the Losses of Hydrostatic Pumps and Motors: A Critical Review of ISO4409:2007
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Topics: Hydrostatics, Motors, Pumps, Displacement, Bulk modulus, Energy conversion, Engineering standards, Flow (Dynamics), Hydraulic pumps, Preferences
Proceedings Papers

Multi-Objective Optimization of Modified Cycloidal-Toothed Gerotor Pumps by Genetic Algorithm

Andrew J. Robison, Andrea Vacca
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A048, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1696
https://doi.org/10.1115/FPMC2019-1696
View Paper titled, Multi-Objective Optimization of Modified Cycloidal-Toothed Gerotor Pumps by Genetic Algorithm
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Topics: Gears, Genetic algorithms, Geometry, Pareto optimization, Pumps, Stress, Algorithms, Leakage, Adhesives, Automotive industry
Proceedings Papers

Modeling and Optimization Study of a Tightly Integrated Rotary Electric Motor-Hydraulic Pump

Garrett R. Bohach, Nishanth, Eric Severson, James D. Van de Ven
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A010, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1626
https://doi.org/10.1115/FPMC2019-1626
View Paper titled, Modeling and Optimization Study of a Tightly Integrated Rotary Electric Motor-Hydraulic Pump
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Topics: Engines, Modeling, Motors, Optimization, Pumps, Pistons, Machinery, Electric motors, Hydraulic pumps, Clearances (Engineering)
Proceedings Papers

Mass Estimation of Self-Contained Linear Electro-Hydraulic Actuators and Evaluation of the Influence on Payload Capacity of a Knuckle Boom Crane

Søren Ketelsen, Torben Ole Andersen, Morten Kjeld Ebbesen, Lasse Schmidt
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A045, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1689
https://doi.org/10.1115/FPMC2019-1689
View Paper titled, Mass Estimation of Self-Contained Linear Electro-Hydraulic Actuators and Evaluation of the Influence on Payload Capacity of a Knuckle Boom Crane
Open the PDF for Mass Estimation of Self-Contained Linear Electro-Hydraulic Actuators and Evaluation of the Influence on Payload Capacity of a Knuckle Boom Crane in another window
Topics: Actuators, Cranes, Hydraulic cylinders, Hydraulic circuits, Valves, Architecture, Cylinders, Hydraulic drive systems, Hydraulic pumps, Hydraulics
Proceedings Papers

Fluid Effects on Mechanical Efficiency of Hydraulic Pumps: Dynamometer Measurements and Molecular Simulations

Pawan Panwar, Michelle Len, Ninaad Gajghate, Paul Michael, Ashlie Martini
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A056, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1712
https://doi.org/10.1115/FPMC2019-1712
View Paper titled, Fluid Effects on Mechanical Efficiency of Hydraulic Pumps: Dynamometer Measurements and Molecular Simulations
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Topics: Dynamometers, Engineering simulation, Fluids, Hydraulic pumps, Mechanical efficiency, Simulation, Viscosity
Proceedings Papers

Transmission of Fluid Borne Noise in the Reservoir

W. Fiebig, J. Wrobel, P. Cependa
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A026, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8856
https://doi.org/10.1115/FPMC2018-8856
View Paper titled, Transmission of Fluid Borne Noise in the Reservoir
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Topics: Fluids, Noise (Sound), Reservoirs, Electric motors, Filters, Finite element methods, Finite element model, Hydraulic pumps, Pipes, Pumps
Proceedings Papers

Supervisory Control for a Switched Mode Hydraulic Transformer

Sangyoon Lee, Perry Y. Li
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A065, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8935
https://doi.org/10.1115/FPMC2018-8935
View Paper titled, Supervisory Control for a Switched Mode Hydraulic Transformer
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Topics: Control equipment, Flow (Dynamics), Hydraulic pumps, Motors, Pressure
Proceedings Papers

Fuel Efficiency Optimization of a Baseline Wheel Loader and its Hydraulic Hybrid Variants Using Dynamic Programming

Mikko Heikkilä, Mikko Huova, Jyrki Tammisto, Matti Linjama, Jussi Tervonen
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A024, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8853
https://doi.org/10.1115/FPMC2018-8853
View Paper titled, Fuel Efficiency Optimization of a Baseline Wheel Loader and its Hydraulic Hybrid Variants Using Dynamic Programming
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Topics: Dynamic programming, Fuel efficiency, Optimization, Wheels, Engines, Fuel consumption, Machinery, Actuators, Cycles, Diesel engines
Proceedings Papers

A New Hydraulic Pump and Motor Test Bench for Extremely Low Operating Speeds

Peter Achten, Jeroen Potma, Sjoerd Eggenkamp
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A015, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4232
https://doi.org/10.1115/FPMC2017-4232
View Paper titled, A New Hydraulic Pump and Motor Test Bench for Extremely Low Operating Speeds
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Topics: Hydraulic pumps, Motors, Testing, Actuators, Design, Displacement, Electric motors, Flow (Dynamics), Hydraulic motors, Lubrication