Dr. Andrew Robert Johnson Profile

Dr. Andrew Robert Johnson

at Univ of Sheffield

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 17 May 2005 Paper

Validation of computational models and a new experimental facility of a robot actuator using twin electro-rheological clutches

Andrew Johnson, Roger Stanway

Proceedings Volume 5764, (2005) https://doi.org/10.1117/12.600972

KEYWORDS: Actuators, Robotics, Computer programming, Visualization, Manufacturing, Sensors, Motion controllers, Motion models, Electronic components, Amplifiers

Read Abstract +

Proceedings Article | 5 August 2003 Paper

Electrorheological clutches for a robotics application: dynamic, operational, and control considerations

Andrew Johnson, Roger Stanway, Kim Tan, Neil Sims

Proceedings Volume 5056, (2003) https://doi.org/10.1117/12.483504

KEYWORDS: Robotics, Computer programming, Aluminum, Feedback control, Chlorine, Fluid dynamics, Motion controllers, Motion models, Electronic components, Amplifiers

Read Abstract +

Proceedings Article | 16 August 2001 Paper

Electrorheological clutch for robotics applications: validation of mathematical model and preliminary control study

Kim Tan, Roger Stanway, Andrew Johnson, William Bullough, Richard Tozer

Proceedings Volume 4327, (2001) https://doi.org/10.1117/12.436524

KEYWORDS: Mathematical modeling, Robotics, Actuators, Data modeling, Simulink, Computer programming, Electrodes, Signal processing, Kinematics, Device simulation

Read Abstract +

Proceedings Article | 30 July 2001 Paper

Experimental testing and control of an ER long-stroke vibration damper

Neil Sims, Roger Stanway, Andrew Johnson

Proceedings Volume 4330, (2001) https://doi.org/10.1117/12.434121

KEYWORDS: Control systems, Fluid dynamics, Feedback control, Vibration isolation, Computer simulations, Device simulation, Optical isolators, Sensors, Mathematical modeling, Solid modeling

Read Abstract +

Proceedings Article | 2 July 2001 Paper

Design, testing, and model validation of an MR squeeze-flow vibration damper

Neil Sims, Roger Stanway, Andrew Johnson, Phillip Mellor

Proceedings Volume 4331, (2001) https://doi.org/10.1117/12.432695

KEYWORDS: Mathematical modeling, Vibration isolation, Electromagnetism, Electroluminescence, Electrodes, Optical isolators, Motion models, Prototyping, Modeling, Data modeling

Read Abstract +

Proceedings Article | 22 June 2000 Paper

Smart fluid damping: shaping the force/velocity response through feedback control

Neil Sims, Roger Stanway, Andrew Johnson, David Peel, William Bullough

Proceedings Volume 3985, (2000) https://doi.org/10.1117/12.388849

KEYWORDS: Fluid dynamics, Feedback control, Digital signal processing, Device simulation, Control systems, Simulink, Lithium, Particles, Electrodes, Vibration isolation

Read Abstract +

Proceedings Article | 22 June 2000 Paper

Optimization and control of a high-speed electrorheological traversing mechanism

Andrew Johnson, William Bullough, John Makin

Proceedings Volume 3985, (2000) https://doi.org/10.1117/12.388810

KEYWORDS: Fluid dynamics, Tellurium, Electrodes, Temperature metrology, Prototyping, Safety, Switching, Laminated object manufacturing, Mechanical engineering, Smart materials

Read Abstract +

Proceedings Article | 27 April 2000 Paper

Modeling and control of a magneto-rheological vibration isolator

Roger Stanway, Neil Sims, Andrew Johnson

Proceedings Volume 3989, (2000) https://doi.org/10.1117/12.384559

KEYWORDS: Vibration isolation, Mathematical modeling, Optical isolators, Electromagnetism, Feedback control, Magnetism, Modeling, Switching, Electroluminescence, Temperature metrology

Read Abstract +

Proceedings Article | 9 June 1999 Paper

Vibration isolation using a magnetorheological damper in the squeeze-flow mode

Neil Sims, Roger Stanway, Andrew Johnson, J. Yang

Proceedings Volume 3668, (1999) https://doi.org/10.1117/12.350729

KEYWORDS: Vibration isolation, Mathematical modeling, Vibration control, Magnetism, Optical isolators, Instrument modeling, Microfluidics, Particles, Control systems, Minerals

Read Abstract +

Proceedings Article | 9 June 1999 Paper

Thermal equilibrium in a dynamic electrorheological fluid model of a high-speed traversing/positioning mechanism

Andrew Johnson, William Bullough, Richard Tozer, John Makin

Proceedings Volume 3668, (1999) https://doi.org/10.1117/12.350727

KEYWORDS: Fluid dynamics, Thermal modeling, Computational fluid dynamics, Tellurium, Computer simulations, Performance modeling, Particles, Aluminum, Systems modeling, Mechanics

Read Abstract +

Proceedings Article | 2 June 1999 Paper

Feedback control of an electrorheological long-stroke vibration damper

Neil Sims, Roger Stanway, Andrew Johnson, David Peel, William Bullough

Proceedings Volume 3672, (1999) https://doi.org/10.1117/12.349805

KEYWORDS: Feedback control, Control systems, Device simulation, Electrodes, Particles, Motion models, Data modeling, Magnetism, Resistance, Instrument modeling

Read Abstract +

Proceedings Article | 27 July 1998 Paper

Simulation, performance, and experimental validation of a high-speed traversing/positioning mechanism using electrorheological clutches

Andrew Johnson, William Bullough, Richard Tozer, John Makin

Proceedings Volume 3329, (1998) https://doi.org/10.1117/12.316910

KEYWORDS: Fluid dynamics, Aluminum, Motion models, Manufacturing, Device simulation, Electrodes, Tellurium, Binary data, Computer simulations, Chlorine

Read Abstract +

Proceedings Article | 16 April 1998 Paper

Status report: ER clutch-based linear drive

William Bullough, Andrew Johnson, John Makin, Richard Tozer, A. Day

Proceedings Volume 3321, (1998) https://doi.org/10.1117/12.305585

KEYWORDS: Fluid dynamics, Tellurium, Electrodes, Electromagnetism, Switching, Thermodynamics, Modeling, Stress analysis, Silicon, Computer programming

Read Abstract +

Proceedings Article | 6 June 1997 Paper

Dynamic modeling and performance of a high-speed electrorheological traversing mechanism

Andrew Johnson, William Bullough, John Makin, Richard Tozer

Proceedings Volume 3041, (1997) https://doi.org/10.1117/12.275675

KEYWORDS: Fluid dynamics, Performance modeling, Data modeling, Mechatronics, Electrodes, Copper, Chlorine, Tellurium, Information operations, Thermal modeling

Read Abstract +

Showing 5 of 14 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years