• 4 EAST 2.48

Accepting PhD Students

1986 …2019
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Research Output 1986 2019

2019
11 Downloads (Pure)
Open Access
File
Acoustic wave velocity
Hydraulics
Calibration
Frequency standards
Pressure transducers
2018
24 Downloads (Pure)

An electro-hydrostatic actuator for hybrid active-passive vibration isolation

Henderson, J-P., Plummer, A. & Johnston, N., 1 May 2018, In : International Journal of Hydromechatronics. 1, 1, p. 47-71

Research output: Contribution to journalArticle

Open Access
File
Actuators
Rotors
Pumps
Gear pumps
Brushless DC motors
2017

Comparison of methods for measuring pump flow ripple and impedance

Bramley, C. & Johnston, D., 17 Oct 2017.

Research output: Contribution to conferencePaper

Pumps
Networks (circuits)
Transducers
Fluids
Testing

Linear PID control design

Du, C., Johnston, N., Manring, N. D., Plummer, A., Semini, C., Yang, M. & Yu, T., 1 Jan 2017, Nonlinear Control Techniques for Electro-Hydraulic Actuators in Robotics Engineering. Guo, Q. & Jiang, D. (eds.). U. S. A.: CRC Press, p. 17-44 28 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Three term control systems
System stability
Hydraulics
Bandwidth
Controllers
14 Citations (Scopus)
85 Downloads (Pure)
Open Access
File
Motion Control
Motion control
Energy Efficient
Hydraulics
Performance Analysis
2016
2 Citations (Scopus)

Hybrid fluid-borne noise control in fluid-filled pipelines

Pan, M., Johnston, D. & Plummer, A., Jul 2016.

Research output: Contribution to conferencePaper

2 Citations (Scopus)
65 Downloads (Pure)

Hybrid fluid-borne noise control in fluid-filled pipelines

Pan, M., Johnston, N. & Plummer, A., 3 Oct 2016, In : Journal of Physics: Conference Series. 744, 1, 12 p., 012016.

Research output: Contribution to journalArticle

Open Access
File
hoses
fluids
attenuators
controllers
silencers
2015

A Linear Valve Actuated Switched Inertance Hydraulic System

Sell, N., Johnston, D., Plummer, A., Kudzma, S. & Pan, M., May 2015, Proc Fourteenth Scandinavian International Conference on Fluid Power.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Hydraulics
Pressure control
Capacitance
Networks (circuits)
6 Citations (Scopus)

Development Of A Position Controlled Digital Hydraulic Valve

Sell, N., Johnston, D., Plummer, A. & Kudzma, S., Oct 2015, Proceedings of the ASME/BATH 2015 Symposium on Fluid Power and Motion Control . ASME

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydraulics
Position control
Pressure drop
Switches
Flow rate
15 Citations (Scopus)
hydraulic equipment
high speed
Hydraulics
boosters
hydraulics
2 Citations (Scopus)
82 Downloads (Pure)

Modelling and analysis of hydraulic step-down switching converters

de Negri, V., Nostrani, M., Wang, P., Johnston, D. & Plummer, A., 2015, In : International Journal of Fluid Power. 16, 2, p. 111-121

Research output: Contribution to journalArticle

File
hydraulics
converters
Hydraulics
flow velocity
Flow rate

On Efficiency Of Switched Inertance Control For Hydraulic Systems

Sinyakov, A., Greshnyakov, P., Gimadiev, A., Sverbilov, V., Plummer, A. & Johnston, D., May 2015, Proc Fourteenth Scandinavian International Conference on Fluid Power.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
27 Downloads (Pure)
File
Hydraulics
Analytical models
Flow rate
Computer simulation
3 Citations (Scopus)

Variable displacement gear and gerotor pumps

Avery, N. & Johnston, N., 2015, ASME/BATH 2015 Symposium on Fluid Power and Motion Control, FPMC 2015. American Society of Mechanical Engineers (ASME), V001T01A018

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gears
Pumps
Rapid prototyping
Lubrication
Computer aided design
2014
4 Citations (Scopus)
78 Downloads (Pure)

Active control of fluid-bome noise in hydraulic systems using in-series and by-pass structures

Pan, M., Hillis, A. & Johnston, N., 2014, 2014 UKACC International Conference on Control, CONTROL 2014 - Proceedings. IEEE, p. 355-360 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
Hydraulics
Fluids
Notch filters
Acoustic variables control
Adaptive filters
10 Citations (Scopus)
95 Downloads (Pure)
File
Laminar flow
Flow of fluids
Electric lines
Pipelines
Wave propagation
7 Citations (Scopus)

An investigation of piezoelectric ring benders and their potential for actuating servo valves

Bertin, M. J. F., Plummer, A. R., Bowen, C. R. & Johnston, D. N., 2014, ASME/BATH 2014 Symposium on Fluid Power and Motion Control, FPMC 2014. American Society of Mechanical Engineers (ASME), p. V001T01A034

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Actuators
Electric fields
Piezoelectric actuators
Electric potential
14 Citations (Scopus)
5 Downloads (Pure)

Behavioural prediction of hydraulic step-up switching converters

De Negri, V. J., Wang, P., Plummer, A. & Johnston, D. N., 21 Mar 2014, In : International Journal of Fluid Power. 15, 1, p. 1-9 9 p.

Research output: Contribution to journalArticle

hydraulics
Pulse width modulation
converters
pulse duration modulation
Hydraulics
3 Citations (Scopus)

Experimental investigation of a switched inertance hydraulic system

Pan, M., Robertson, J., Johnston, N., Plummer, A. & Hillis, A., 2014, Bath/ASME Symposium on Fluid Power and Motion Control FPMC, 2014. ASME, p. V001T01A020

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydraulics
Acoustic wave velocity
Switching frequency
Orifices
Inductance
24 Citations (Scopus)
149 Downloads (Pure)

Frequency modelling and solution of fluid-structure interaction in complex pipelines

Xu, Y., Johnston, D. N., Jiao, Z. & Plummer, A. R., 12 May 2014, In : Journal of Sound and Vibration. 333, 10, p. 2800-2822 23 p.

Research output: Contribution to journalArticle

File
Fluid structure interaction
Pipelines
Piping systems
Pipe
fluids
2 Citations (Scopus)
80 Downloads (Pure)

Modelling effective product development systems as network-of-networks

Hultin, A., Tryfonas, T., Johnston, N. & Kirkman, M., 2014, Proceedings of the 8th Annual IEEE International Systems Conference, SysCon 2014 . p. 89-96 8 p. 6819241

Research output: Chapter in Book/Report/Conference proceedingChapter

File
Product development
Modeling
Decision maker
Design process
Team development
26 Citations (Scopus)
Analytical models
Hydraulics
Pressure control
Flow control
Experiments
12 Citations (Scopus)
96 Downloads (Pure)
Open Access
File
Switching systems
Hydraulics
Inductance
Analytical models
Capacitance
10 Citations (Scopus)

Use of pipeline wave propagation model for measuring unsteady flow rate

Johnston, N., Pan, M., Kudzma, S. & Wang, P., 1 Mar 2014, In : Journal of Fluids Engineering: Transactions of the ASME. 136, 3, p. 1-8 8 p., 031203.

Research output: Contribution to journalArticle

Unsteady flow
Wave propagation
Transducers
Pipelines
Flow rate
42 Downloads (Pure)

Variable pressure valve-controlled hydraulic actuation for a robotic arm

Du, C., Plummer, A. R. & Johnston, D. N., 24 Mar 2014, Proceedings of the 9th International Fluid Power Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
2013
1 Citation (Scopus)

Active control of pressure pulsation in a piping system using measured dynamic flow rate

Pan, M., Johnston, D. N., Plummer, A., Kudzma, S. & Hillis, A., 6 Oct 2013, Proceedings of the ASME/BATH Symposium on Fluid Power and Motion Control, 2013 . New York, U. S. A.: ASME, p. V001T01A001-1 - V001T01A059-7 :

Research output: Chapter in Book/Report/Conference proceedingChapter

12 Citations (Scopus)
Hydraulics
Phase control
Notch filters
Acoustic variables control
Pressure control

Control of a fast switching valve for digital hydraulics

Sell, N., Johnston, N. & Plummer, A., 3 Jun 2013.

Research output: Contribution to conferencePaper

3 Citations (Scopus)
78 Downloads (Pure)

Rotating group design for vane pump flow ripple reduction

Zanetti-Rocha, L., Gerges, S. N. Y., Johnston, D. N. & Arenas, J. P., Dec 2013, In : International Journal of Acoustics and Vibrations. 18, 4, p. 192-200 9 p.

Research output: Contribution to journalArticle

Open Access
File
Vane pumps
vanes
ripples
Pumps
pumps

A high flow fast switching valve for digital hydraulic systems

Johnston, N., Kudzma, S., Plummer, A., Sell, N., Hillis, A. & Pan, M., 24 Oct 2012.

Research output: Contribution to conferencePaper

117 Downloads (Pure)
File

Hybrid active-passive electro-hydrostatic vibration isolation for rotorcraft

Henderson, J-P., Plummer, A. & Johnston, N., 13 Jun 2012.

Research output: Contribution to conferencePaper

17 Citations (Scopus)
73 Downloads (Pure)
Open Access
File
Laminar flow
Flow of fluids
Electric lines
Pipelines
Wave propagation
2011

Computer Modeling of a Pressure Relief Cartridge Valve

Faulkner, J., Johnston, N. & Weber, S., Mar 2011.

Research output: Contribution to conferencePaper

Noise and vibration of fluid power systems

Johnston, N., Oct 2011, Handbook of Hydraulic Fluid Technology. Totten, G. & De Negri, V. (eds.). 2nd ed. Boca Raton, FL.: CRC Press

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)
96 Downloads (Pure)
File
Turbulent flow
Pipe
Viscosity
Friction
Pipe flow
5 Citations (Scopus)
72 Downloads (Pure)
Open Access
File
Pipe flow
Turbulent flow
Reynolds number
Surface roughness
Friction
12 Citations (Scopus)
Pressure drop
Hydraulics
Bandwidth
Piezoelectric actuators
Reels

The Influence of Wave Effects on Digital Switching Valve Performance

Wang, P., Kudzma, S., Johnston, N., Plummer, A. & Hillis, A., 21 Sep 2011.

Research output: Contribution to conferencePaper

2010
22 Citations (Scopus)

A switched inertance device for efficient control of pressure and flow

Johnston, D. N., 2010, p. 589-596. 8 p.

Research output: Contribution to conferencePaper

Electric power utilization
Hydraulics
30 Downloads (Pure)

Condition Monitoring of Aircraft Fuel Pumps using Pressure Ripple Measurements

Johnston, D. N. & Todd, C., 15 Sep 2010, p. 161-174. 14 p.

Research output: Contribution to conferencePaper

File
Aircraft fuels
Fuel pumps
Condition monitoring
Pressure measurement
Bearings (structural)
49 Downloads (Pure)

Flow ripple reduction in power steering hydraulic pumps

Zanetti Rocha, L., Johnston, D. N. & Gerges, S. N. Y., 15 Sep 2010, p. 187-200. 14 p.

Research output: Contribution to conferencePaper

File
Hydraulics
Pumps
Acoustic noise
Rotors
Fluids
222 Downloads (Pure)
Open Access
File
8 Citations (Scopus)

Measured dynamic properties of flexible hoses

Johnston, D. N., Way, T. & Cone, K. M., Apr 2010, In : Journal of Vibration and Acoustics: Transactions of the ASME. 132, 2, 8 p., 021011.

Research output: Contribution to journalArticle

hoses
Hose
dynamic characteristics
bulk modulus
stiffness
7 Citations (Scopus)

Piezoelectric Actuation in a High Bandwidth Valve

Branson, D., Johnston, D. N., Tilley, D., Bowen, C. & Keogh, P., Dec 2010, In : Ferroelectrics. 408, 1, p. 32-40 9 p.

Research output: Contribution to journalArticle

actuation
Flow rate
bandwidth
Bandwidth
Reels

Use of Pipeline Wave Propagation Model for Measuring Unsteady Flowrate

Johnston, D. N. & Pan, M., 15 Sep 2010, p. 307-320. 14 p.

Research output: Contribution to conferencePaper

Wave propagation
Transducers
Pipelines
Unsteady flow
Time measurement
2009
Hydraulics
Fluids
Dynamic response
Active noise control
Notch filters