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Proceedings Papers

The Case for Replacement of Pilot Valves With Pilot Pumps in Hydraulic Control Systems

Travis Wiens
Proc. ASME. FPMC2023, ASME/BATH 2023 Symposium on Fluid Power and Motion Control, V001T01A011, October 16–18, 2023
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2023-111021
https://doi.org/10.1115/FPMC2023-111021
View Paper titled, The Case for Replacement of Pilot Valves With Pilot Pumps in Hydraulic Control Systems
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Topics: Hydraulic control, Pumps, Servomechanisms, Valves
Proceedings Papers

The Use of Additive Manufactured Plastic in Small-Scale Poppet Valves and Pressure Vessels

Brendan Deibert, Sophia Scott, Allan Dolovich, Travis Wiens
Proc. ASME. FPMC2022, BATH/ASME 2022 Symposium on Fluid Power and Motion Control, V001T01A008, September 14–16, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2022-88614
https://doi.org/10.1115/FPMC2022-88614
View Paper titled, The Use of Additive Manufactured Plastic in Small-Scale Poppet Valves and Pressure Vessels
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Topics: Additive manufacturing, Pressure vessels, Valves
Proceedings Papers

Using Dynamic Pressure Response for Erosion Detection in Hydraulic Tubes and Hoses

Elnaz Etminan, Mahdiyar Molahasani Majdabadi, Seokbum Ko, Travis Wiens
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A058, October 19–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2021-70511
https://doi.org/10.1115/FPMC2021-70511
View Paper titled, Using Dynamic Pressure Response for Erosion Detection in Hydraulic Tubes and Hoses
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Topics: Erosion, Pressure, Pipes, Steel, Stiffness, Wave propagation, Fluids, Noise (Sound), Artificial neural networks, Computer simulation
Proceedings Papers

Development of a Physical Analog Excavator for Studies in Interactions Between Hydraulic Equipment and Human Operators

Travis Wiens, Madison Klarkowski, Nima Zahabi
Proc. ASME. FPMC2020, BATH/ASME 2020 Symposium on Fluid Power and Motion Control, V001T01A036, September 9–11, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2020-2771
https://doi.org/10.1115/FPMC2020-2771
View Paper titled, Development of a Physical Analog Excavator for Studies in Interactions Between Hydraulic Equipment and Human Operators
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Topics: Hydraulic equipment, Trenching machinery, Discrete element methods, Machinery, Soil, Actuators, Architecture, Computers, Energy efficiency, Hardware
Journal Articles

Modeling Arbitrarily Shaped Liquid Pipelines Using a Segmented Transmission Line Model

Travis Wiens
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. June 2020, 142(6): 064502.
Paper No: DS-18-1531
https://doi.org/10.1115/1.4046402
Published Online: March 5, 2020
View Article titled, Modeling Arbitrarily Shaped Liquid Pipelines Using a Segmented Transmission Line Model
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Topics: Flow (Dynamics), Modeling, Pipelines, Pressure, Transmission lines, Geometry, Pipes
Proceedings Papers

Application of Data Reduction Techniques to Dynamic Condition Monitoring of an Axial Piston Pump

Travis Wiens, Jon Fernandes
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A041, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1685
https://doi.org/10.1115/FPMC2019-1685
View Paper titled, Application of Data Reduction Techniques to Dynamic Condition Monitoring of an Axial Piston Pump
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Topics: Condition monitoring, Pistons, Pumps, Leakage, Failure, Flow measurement, Maintenance, Noise (Sound), Pressure measurement, Simulation
Proceedings Papers

Optimizing a Segmented Transmission Line Model for Dynamic Flows in Arbitrarily Tapered Pipelines

Travis Wiens
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A038, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4773
https://doi.org/10.1115/AJKFluids2019-4773
View Paper titled, Optimizing a Segmented Transmission Line Model for Dynamic Flows in Arbitrarily Tapered Pipelines
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Topics: Flow (Dynamics), Pipelines, Transmission lines, Computation, Modeling, Fluids, Laminar flow, Simulation
Journal Articles

Transmission Line Modeling of Laminar Liquid Wave Propagation in Tapered Tubes

Travis Wiens, Jeremy ven der Buhs
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2019, 141(10): 101103.
Paper No: FE-18-1844
https://doi.org/10.1115/1.4043235
Published Online: April 15, 2019
View Article titled, Transmission Line Modeling of Laminar Liquid Wave Propagation in Tapered Tubes
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Topics: Energy dissipation, Flow (Dynamics), Modeling, Pressure, Transfer functions, Transmission lines, Wave propagation, Steady state, Pipes, Errors
Proceedings Papers

An Improved Transmission Line Model for Dynamic Laminar Flow Through Tapered Tubes

Travis Wiens, Jeremy ven der Buhs
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A043, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8881
https://doi.org/10.1115/FPMC2018-8881
View Paper titled, An Improved Transmission Line Model for Dynamic Laminar Flow Through Tapered Tubes
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Topics: Laminar flow, Transmission lines, Boundary-value problems, Delays, Energy dissipation, Flow (Dynamics), Modeling, Transfer functions, Transients (Dynamics)
Proceedings Papers

A Comparison of Hydraulic and Electrical Switch-Mode Converters

Travis Wiens, Debdatta Das
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A039, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4273
https://doi.org/10.1115/FPMC2017-4273
View Paper titled, A Comparison of Hydraulic and Electrical Switch-Mode Converters
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Topics: Energy efficiency, Switches, Wave propagation
Proceedings Papers

An Efficient, High Performance and Low-Cost Energy Recovering Hydrostatic Linear Actuator Concept

Travis Wiens, Douglas Bitner
Proc. ASME. FPMC2016, BATH/ASME 2016 Symposium on Fluid Power and Motion Control, V001T01A038, September 7–9, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2016-1775
https://doi.org/10.1115/FPMC2016-1775
View Paper titled, An Efficient, High Performance and Low-Cost Energy Recovering Hydrostatic Linear Actuator Concept
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Topics: Actuators, Hydrostatics, Circuits, Pumps, Cylinders, Design, Energy recovery, Flow (Dynamics), Hydraulic cylinders, Control equipment
Journal Articles

Improving Performance of a Switched Inertance Buck Converter Via Positioning of Reservoir Flow Valve

Travis Wiens
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. December 2016, 138(12): 124502.
Paper No: DS-15-1491
https://doi.org/10.1115/1.4034045
Published Online: August 10, 2016
View Article titled, Improving Performance of a Switched Inertance Buck Converter Via Positioning of Reservoir Flow Valve
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Topics: Cavitation, Flow (Dynamics), Pressure, Reservoirs, Valves, Simulation, Energy efficiency
Journal Articles

Ray Tracing Using Radial Basis Function Networks

Travis Wiens
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. April 2016, 138(2): 024502.
Paper No: VIB-15-1231
https://doi.org/10.1115/1.4032514
Published Online: February 3, 2016
View Article titled, Ray Tracing Using Radial Basis Function Networks
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Topics: Radial basis function networks, Ray tracing, Refraction, Refractive index, Temperature, Differential equations, Sound waves, Boundary-value problems, Numerical analysis, Radiation (Physics)