Number of items: 53.
2025
Jimenez Cuesta, C. , Davies, J., Worrall, K. , Cammarano, A. and Zare-Behtash, H.
(2025)
Plume-surface interactions: a review of experimental work.
Acta Astronautica, 226(1),
pp. 892-912.
(doi: 10.1016/j.actaastro.2024.09.021)
2024
Gordon, R., Ceriotti, M. and Worrall, K.
(2024)
Investigation of attitude control actuators for large flexible space structures using inverse simulation.
Advances in Space Research,
(doi: 10.1016/j.asr.2024.11.010)
(Early Online Publication)
Gordon, R. , Worrall, K. and Ceriotti, M.
(2024)
Broyden’s method for faster inverse simulation.
Journal of Guidance, Control, and Dynamics, 47(9),
pp. 1939-1945.
(doi: 10.2514/1.G007975)
Lawley, A., Hampson, R., Worrall, K. and Dobie, G.
(2024)
Using positional tracking to improve abdominal ultrasound machine learning classification.
Machine Learning: Science and Technology, 5(2),
025002.
(doi: 10.1088/2632-2153/ad379d)
Jimenez Cuesta, C. , Davies, J., Worrall, K. , Cammarano, A. and Zare-Behtash, H.
(2024)
Development of Diagnostic Techniques for Plume-Generated Dust Clouds.
21st International Planetary Probe Workshop 2024 (IPPW 2024), Williamsburg, Virginia, USA, 08-14 Jun 2024.
Lawley, A., Hampson, R., Worrall, K. and Dobie, G.
(2024)
Analysis of neural networks for routine classification of sixteen ultrasound upper abdominal cross sections.
Abdominal Radiology, 49,
pp. 651-661.
(doi: 10.1007/s00261-023-04147-x)
(PMID:38214722)
(PMCID:PMC10830611)
Gordon, R. , Ceriotti, M. and Worrall, K.
(2024)
Effects of model fidelity and uncertainty on a model-based attitude controller for satellites with flexible appendages.
Acta Astronautica, 214,
pp. 30-45.
(doi: 10.1016/j.actaastro.2023.10.011)
Harkness, P. , Houston, C., Souza, C., Timoney, R., Worrall, K. , Rix, J. and Dixon, A.
(2024)
The Deeper Project: A Testbed for 20m Scale Drilling Technologies.
In: ASTRA 2022, Noordwijk, The Netherlands, 01-02 Jun 2022,
2023
Lawley, A., Hampson, R., Worrall, K. and Dobie, G.
(2023)
Prescriptive Method for Optimizing Cost of Data Collection and Annotation in Machine Learning of Clinical Ultrasound.
In: 2023 45th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Sydney, Australia, 24-27 Jul 2023,
ISBN 9798350324471
(doi: 10.1109/EMBC40787.2023.10340858)
Shilliday, S. R.K. , Swinton, S. , Al Oufi, S., McGookin, E. W. , Thomson, D. G. and Worrall, K. J.
(2023)
Friction Modelling With Slip For Planetary Exploration Rovers.
In: 9th Internation Conference on Control, Decision and Information Technologies (CoDIT) 2023, Rome, Italy, 3-6 July 2023,
pp. 1409-1414.
ISBN 9798350311402
(doi: 10.1109/CoDIT58514.2023.10284488)
Jimenez Cuesta, C., Pickles, D. , Worrall, K. , Cammarano, A. and Zare-Behtash, H.
(2023)
Characterisation of the Dust Cloud During Landing on Lunar and Martian Surfaces.
Aerospace Europe Conference 2023 Joint 10th EUCASS - 9th CEAS Conference, Lausanne, Switzerland, 9-13 July 2023.
Loettgen, J. L., Ceriotti, M. , Aragon-Camarasa, G. and Worrall, K.
(2023)
Deep Reinforcement Learning for Spacecraft Attitude Tracking Manoeuvres.
Aerospace Europe Conference 2023 Joint 10th EUCASS - 9th CEAS Conference, Lausanne, Switzerland, 9-13 July 2023.
(doi: 10.13009/EUCASS2023-671)
Jimenez Cuesta, C., Worrall, K. , Cammarano, A. , Pickles, D. and Zare-Behtash, H.
(2023)
Plume-regolith Dust Cloud Characterisation.
Lunar Surface Innovation Consortium Spring Meeting, Laurel, MD, USA, 24-25 Apr 2023.
Alhajeri, M. A., Ceriotti, M. and Worrall, K.
(2023)
Model-Based Systems Engineering Simulation Tool for the Design and Performance Analysis of Modular Lunar Rovers.
In: 74th International Astronautical Congress (IAC), Baku, Azerbaijan, 2-6 Oct 2023,
ISBN 9781713885467
2022
Li, X. , Li, X., Huang, T., Feeney, A. , Worrall, K. and Harkness, P.
(2022)
Transportation of Granular Materials with Ultrasonic Augers.
In: 2022 IEEE International Ultrasonics Symposium (IUS), Venice, Italy, 10-13 October 2022,
ISBN 9781665478137
(doi: 10.1109/IUS54386.2022.9958454)
Li, X. , Li, X., Huang, T., Feeney, A. , Worrall, K. and Harkness, P.
(2022)
Ultrasonic augers for improved transport of granular materials.
Acta Astronautica, 201,
pp. 1-11.
(doi: 10.1016/j.actaastro.2022.07.054)
Li, X. , Worrall, K. , Vedanthu, A. , Scott-George, A. and Harkness, P.
(2022)
The pulse-elevator: a pump for granular materials.
Acta Astronautica, 200,
pp. 33-41.
(doi: 10.1016/j.actaastro.2022.07.052)
Gordon, R. , Ceriotti, M. and Worrall, K.
(2022)
Attitude Control of Satellites with Flexible Appendages Using Inverse Simulation.
In: 73rd International Astronautical Congress (IAC), Paris, France, 18-22 Sept 2022,
Loettgen, J. L., Ceriotti, M. , Aragon Camarasa, G. and Worrall, K.
(2022)
Application of Deep Reinforcement Learning for Attitude Control of a Satellite in the Presence of Uncertainties.
In: 73rd International Astronautical Congress (IAC), Paris, France, 18-22 Sept 2022,
ISBN 0074-1795
Gordon, R. , Worrall, K. and Ceriotti, M.
(2022)
Attitude Control of a Nanosatellite using Inverse Simulation.
In: 72nd International Astronautical Congress 2021, Dubai, United Arab Emirates, 25-29 Oct 2021,
pp. 833-847.
ISBN 9781713843078
2021
Moore, I. , Bailet, G. , Beeley, J., Timmons, T. , Ceriotti, M. , Stamat, L., Worrall, K. and McInnes, C. R.
(2021)
Multi-probe In-situ Detection of GasEous Species (MIDGES): A Low Cost Mission to Detect PH3 in the Venusian Atmosphere.
18th International Planetary Probe Workshop, June-August 2021.
2020
Timoney, R., Worrall, K. , Firstbrook, D. , Harkness, P. , Rix, J., Ashurst, D., Mulvaney, R. and Bentley, M. J.
(2020)
A low resource subglacial bedrock sampler: the percussive rapid access isotope drill (P-RAID).
Cold Regions Science and Technology, 177,
103113.
(doi: 10.1016/j.coldregions.2020.103113)
Timoney, R., Worrall, K. , Li, X. , Firstbrook, D. and Harkness, P.
(2020)
Development of a robust mating system for use in the autonomous assembly of planetary drill strings.
Journal of Aerospace Engineering, 33(4),
04020040.
(doi: 10.1061/(ASCE)AS.1943-5525.0001139)
2019
Worrall, K. , Houston, C., Cebecauer, M., Flessa, T., McGookin, E. , Thomson, D. and Harkness, P.
(2019)
Design and Implementation of a Control System for a Tunneling Robot.
In: 2019 IEEE Smart World Congress, Leicester, UK, 19-23 Aug 2019,
ISBN 9781728140346
(doi: 10.1109/SmartWorld-UIC-ATC-SCALCOM-IOP-SCI.2019.00084)
2018
Firstbrook, D. , Flessa, T., Worrall, K. , McGookin, E. , Harkness, P. and Thomson, D.
(2018)
Ultrasonic Auger for Narrow-Gauge Borehole Drilling.
In: IEEE International Ultrasonics Symposium (IUS 2018), Kobe, Japan, 22-25 Oct 2018,
(doi: 10.1109/ULTSYM.2018.8579687)
Flessa, T., Worrall, K. J. , Firstbrook, D. , McGookin, E. , Thomson, D. and Harkness, P.
(2018)
FDIR for a Biologically Inspired Trenchless Drilling Device.
In: Control 2018, Sheffield, UK, 05-07 Sep 2018,
ISBN 9781538628645
(doi: 10.1109/CONTROL.2018.8516893)
Worrall, K. J. , Firstbrook, D. , Flessa, T., McGookin, E. , Thomson, D. and Harkness, P.
(2018)
Modelling and Control of a Biologically Inspired Trenchless Drilling Device.
In: Control 2018, Sheffield, UK, 05-07 Sep 2018,
ISBN 9781538628645
(doi: 10.1109/CONTROL.2018.8516859)
Yemets, M., Yemets, V., Dron, M., Harkness, P. and Worrall, K.
(2018)
Caseless Throttleable Solid Motor for Small Spacecraft.
69th International Astronautical Congress, Bremen, Germany, 1-5 Oct 2018.
Yemets, V., Harkness, P. , Dron, M., Pashkov, A., Worrall, K. and Middleton, M.
(2018)
Autophage engines: towards a throttleable solid motor.
Journal of Spacecraft and Rockets, 55(4),
pp. 984-992.
(doi: 10.2514/1.A34153)
Firstbrook, D. , Worrall, K. , Timoney, R. and Harkness, P.
(2018)
Ultrasonically Assisted Hammer-Action Penetrators in Planetary Regolith.
ASCE Earth and Space Conference, Cleveland, OH, USA, 10-13 Apr 2018.
Firstbrook, D. G. , Harkness, P. , Li, X. , Timoney, R. and Worrall, K.
(2018)
Ultrasonically-assisted penetration of granular and cemented materials.
In: Badescu, V. and Zacny, K. (eds.)
Outer Solar System: Prospective Energy and Material Resources.
Springer International Publishing, pp. 261-268.
ISBN 9783319738444
(doi: 10.1007/978-3-319-73845-1_7)
Timoney, R., Worrall, K. , Firstbrook, D. and Harkness, P.
(2018)
Development of a Heuristic Thermal Control System for the Ultrasonic Planetary Core Drill.
In: 16th Biennial ASCE International Conference on Engineering, Science, Construction and Operations in Challenging Environments, Cleveland, Ohio, 09-12 Apr 2018,
pp. 317-327.
ISBN 9780784481899
(doi: 10.1061/9780784481899.032)
Worrall, K. , Timoney, R., Li, X. , Harkness, P. and Lucas, M.
(2018)
UPCD: Field Trial Results and Further Work.
In: 16th Biennial ASCE International Conference on Engineering, Science, Construction and Operations in Challenging Environments, Cleveland, Ohio, 09-12 Apr 2018,
pp. 297-306.
ISBN 9780784481899
(doi: 10.1061/9780784481899.030)
2017
Worrall, K. , Timoney, R., Harkness, P. , Li, X. and Lucas, M.
(2017)
Ultrasonic Planetary Core Drill: Overview and Results from Field Trial.
14th Symposium on Advanced Space Technologies in Robotics and Automation, Leiden, The Netherlands, 20-22 Jun 2017.
Ireland, M. L. , Mackenzie, R., Flessa, T., Worrall, K. J. , Thomson, D. G. and McGookin, E. W.
(2017)
Inverse Simulation as a Tool for Fault Detection and Isolation in Planetary Rovers.
In: 10th International ESA Conference on Guidance, Navigation and Control Systems, Salzburg, Austria, 29 May - 02 Jun 2017,
Ireland, M. L. , Worrall, K. J. , Mackenzie, R., Flessa, T., McGookin, E. and Thomson, D.
(2017)
A Comparison of Inverse Simulation-Based Fault Detection in a Simple Robotic Rover with a Traditional Model-Based Method.
In: 19th International Conference on Autonomous Robots and Agents (ICARA 2017), Madrid, Spain, 26-27 Mar 2017,
Li, X. , Harkness, P. , Worrall, K. , Timoney, R. and Lucas, M.
(2017)
A parametric study for the design of an optimized ultrasonic-percussive planetary drill tool.
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 64(3),
pp. 577-589.
(doi: 10.1109/TUFFC.2016.2633319)
(PMID:27913339)
Firstbrook, D. , Worrall, K. , Timoney, R., Suñol, F., Gao, Y. and Harkness, P.
(2017)
An experimental study of ultrasonic vibration and the penetration of granular material.
Proceedings of the Royal Society of London Series A: Mathematical, Physical and Engineering Sciences, 473(2198),
20160673.
(doi: 10.1098/rspa.2016.0673)
Firstbrook, D. G. , Worrall, K. , Doherty, P., Timoney, R., Harkness, P. and Suñol, F.
(2017)
Ultrasonic Penetration of Granular Materials in Varying Gravity.
In: ASCE Earth and Space Conference, Orlando, FL, USA, 11-15 Apr 2016,
ISBN 9780784479971
Timoney, R., Li, X. , Worrall, K. , Firstbrook, D. G. , Harkness, P. and Lucas, M.
(2017)
Push-and-Twist Drillstring Assemblies.
In: ASCE Earth and Space Conference, Orlando, FL, USA, 11-15 Apr 2016,
ISBN 9780784479971
2016
Flessa, T., McGookin, E. , Thomson, D. and Worrall, K.
(2016)
Numerical Efficiency of Inverse Simulation Methods Applied to a Wheeled Rover.
In: 9th EUROSIM Congress on Modelling and Simulation, Oulu, Finland, 12-16 Sep 2016,
ISBN 9781509041190
(doi: 10.3384/ecp17142348)
Timoney, R., Worrall, K. , Li, X. , Firstbrook, D. G. , Harkness, P. and Lucas, M.
(2016)
Preliminary Testing of the European Ultrasonic Planetary Core Drill (UPCD) in Simulated Permafrost Terrain as a Precursor to Arctic Field Trials.
13th International Planetary Probe Workshop, Maryland, USA, 13-17 Jun 2016.
Firstbrook, D. , Worrall, K. , Timoney, R., Harkness, P. , Suñol, F. and Gao, Y.
(2016)
Ultrasonically Assisted Penetration Through Granular Materials.
13th International Planetary Probe Workshop, Laurel, MD, USA, 13-17 Jun 2016.
Worrall, K. , Timoney, R., Li, X. , Harkness, P. and Lucas, M.
(2016)
The European Ultrasonic Planetary Core Drill: Preliminary Results from Field Trials at the Haughton Mars Project.
In: Sixth International Conference on Mars Polar Science and Exploration, Reykjavik, Iceland, 5-9 Sept 2016,
2015
Worrall, K. , Thomson, D. , McGookin, E. and Flessa, T.
(2015)
Autonomous Planetary Rover Control Using Inverse Simulation.
In: 13th Symposium on Advanced Space Technologies in Robotics and Automation (ASTRA 2015), ESA/ESTEC, Noordwijk, 11-13 May 2015,
Worrall, K. , Thomson, D. and McGookin, E.
(2015)
Application of Inverse Simulation to a Wheeled Mobile Robot.
In: 6th International Conference on Automation, Robotics and Applications (ICARA 2015), Queenstown, New Zealand, 17-19 Feb 2015,
Li, X. , Worrall, K. , Harkness, P. , Timoney, R., Bolhovitins, A. and Lucas, M.
(2015)
A Motion Control System Design for an Ultrasonic Planetary Core Drill (UPCD) Unit.
In: AIAA Space 2015 Conference, Pasadena, CA, USA, 31 Aug - 2 Sept 2015,
ISBN 9781624103346
Timoney, R., Harkness, P. , Worrall, K. , Li, X. , Bolhovitins, A. and Lucas, M.
(2015)
European Ultrasonic Planetary Core Drill.
In: 12th International Planetary Probe Workshop, Cologne, Germany, 15-19 June 2015,
Timoney, R., Harkness, P. , Worrall, K. , Li, X. , Bolhovitins, A., Cheney, A. and Lucas, M.
(2015)
The Development of the European Ultrasonic Planetary Core Drill (UPCD).
In: AIAA Space 2015 Conference, Pasadena, CA, USA, 31 Aug - 2 Sept 2015,
ISBN 9781624103346
(doi: 10.2514/6.2015-4553)
2013
Kim, J. and Worrall, K.
(2013)
Sun Tracking Controller for UKube-1 Using Magnetic Torquer Only.
In: 19th IFAC Symposium on Automatic Control in Aerospace, Wurzburg, Germany, 02-06 Sep 2013,
2006
Worrall, K.J. and McGookin, E. W.
(2006)
A Mathematical Model of a Lego Differential Drive Robot.
In: International Control Conference (ICC2006), Glasgow, UK, 30 Aug-1 Sept 2006,
2003
Hersh, M.A. and Worrall, K.
(2003)
Design Issues in the Development of Communication Devices for Deafblind People.
In: IEEE Symposium on Assistive Technology, Glasgow, UK, 2003,
Hersh, M.A. , Worrall, K. and Johnson, M.A.
(2003)
Survey of AT for Deafblind People: State of the Art and New Developments.
In: 7th Conference of the Association for the Advancement of Assistive Technology in Europe: AAATE 2003, Dublin, Ireland,
pp. 495-499.
This list was generated on Wed Nov 20 19:39:48 2024 GMT.