Department of Mechanical Engineering
 

Contact details

Room: 4E 3.51

Tel: +44 (0) 1225 384977

Email: a.j.hillis@bath.ac.uk

 

Dr Andy Hillis

MEng PhD CEng

Profile

Dr Hillis is a Senior Lecturer in Mechanical Engineering and a member of the Centre for Power Transmission and Motion Control. He has research interests in the areas of Dynamics and Control and Structural Health Monitoring.

Dr Hillis obtained Masters and PhD degrees in Mechanical Engineering from the University of Bristol in 2001 and 2005 respectively. He has previously worked for Engineering Consultancies 42 Technology and Atkins Oil & Gas. Dr Hillis joined the University of Bath as a lecturer in 2007. He is a member of the Centre for Power Transmission and Motion Control, and has research interests in the areas of Dynamics and Control and Structural Health Monitoring.

Research

Andy's current research interests include:

  • Adaptive control systems
  • Vibration-based structural health monitoring
  • Active noise and vibration control.

Some past and present research projects which Dr Hillis has been involved with include:

  • Development of active engine mounts for vibration cancellation in cars
  • The bicoherence method for damage detection in structures and machines
  • Efficient fluid power systems
  • Active control of pressure ripple in fluid power systems
  • Development of active suspension systems for aircraft.

Teaching units

  • Modelling techniques 1
  • Modelling techniques 2
  • Control Systems.

Publications

Book Sections

Pan, M., Johnston, D. N., Plummer, A., Kudzma, S. and Hillis, A., 2013. Active control of pressure pulsation in a piping system using measured dynamic flow rate. In: Proceedings of the ASME/BATH Symposium on Fluid Power and Motion Control, 2013. New York, U. S. A.: ASME, V001T01A001-1 - V001T01A059-7 :.

Articles

Alfadhli, A. E. H. E., Darling, J. and Hillis, A. J., 2017. The Control of an Active Seat with Vehicle Suspension Preview Information. Journal of Vibration and Control

Barbini, L., Ompusunggu, A. P., Bartic, A., Hillis, A. and Du Bois, J., 2016. Phase editing as a signal pre-processing step for automated bearing fault detection. Mechanical Systems and Signal Processing

Chen, L., Sun, L., Zang, J., Hillis, A. and Plummer, A., 2016. Numerical study of roll motion of a 2-D floating structure in viscous flow. Journal of Hydrodynamics, 28 (4), pp. 544-563.

Cargo, C. J., Hillis, A. J. and Plummer, A. R., 2016. Strategies for active tuning of Wave Energy Converter hydraulic power take-off mechanisms. Renewable Energy, 94, pp. 32-47.

Eamcharoenying, P., Hillis, A. and Darling, J., 2016. Friction compensation using Coulomb friction model with zero velocity crossing estimator for a force controlled model in the loop suspension test rig. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230 (12), pp. 2028-2045.

Stringer, R. M., Hillis, A. J. and Zang, J., 2016. Numerical investigation of laboratory tested cross-flow tidal turbines and Reynolds number scaling. Renewable Energy, 85, pp. 1316-1327.

Pan, M., Johnston, N., Robertson, J., Plummer, A., Hillis, A. and Yang, H., 2015. Experimental investigation of a switched inertance hydraulic system with a high-speed rotary valve. Transactions ASME Journal of Dynamic Systems, Measurement and Control, 137 (12), 121003.

Gan, Z., Hillis, A. and Darling, J., 2015. Adaptive control of an active seat for occupant vibration reduction. Journal of Sound and Vibration, 349, pp. 39-55.

Gan, Z., Hillis, A. J. and Darling, J., 2015. Biodynamic modeling of seated human subjects exposed to uncoupled vertical and fore-and-aft whole-body vibration. Journal of Vibration Engineering and Technologies, 3 (3), pp. 301-314.

Gan, Z., Hillis, A. J. and Darling, J., 2015. Biodynamic modelling of seated human subjects exposed to uncouples vertical and fore-and-aft whole-body vibration. Journal of Vibration Engineering and Technologies, 3 (3), pp. 301-314.

Pan, M., Johnston, D. N., Plummer, A. R., Kudzma, S. and Hillis, A. J., 2014. Theoretical and experimental studies of a switched inertance hydraulic system including switching transition dynamics, non-linearity and leakage. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 228 (10), pp. 802-815.

Chen, L. F., Zang, J., Hillis, A. J., Morgan, G. C. J. and Plummer, A. R., 2014. Numerical investigation of wave-structure interaction using OpenFOAM. Ocean Engineering, 88, pp. 91-109.

Stringer, R., Zang, J. and Hillis, A. J., 2014. Unsteady RANS computations of flow around a circular cylinder for a wide range of Reynolds numbers. Ocean Engineering, 87, pp. 1-9.

Cargo, C. J., Hillis, A. J. and Plummer, A. R., 2014. Optimisation and control of a hydraulic power take-off unit for a wave energy converter in irregular waves. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 228 (4), pp. 462-479.

Pan, M., Johnston, D., Plummer, A., Kudzma, S. and Hillis, A., 2014. Theoretical and experimental studies of a switched inertance hydraulic system. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 228 (1), pp. 12-25.

Pan, M., Johnston, N. and Hillis, A., 2013. Active control of pressure pulsation in a switched inertance hydraulic system. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 227 (7), pp. 610-620.

Cargo, C. J., Plummer, A. R., Hillis, A. J. and Schlotter, M., 2012. Determination of optimal parameters for a hydraulic power take-off unit of a wave energy converter in regular waves. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 226 (1), pp. 98-111.

Hillis, A. J., 2011. Multi-input multi-output control of an automotive active engine mounting system. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 225 (11), pp. 1492-1504.

Hillis, A. J. and Courtney, C. R. P., 2011. Structural health monitoring of fixed offshore structures using the bicoherence function of ambient vibration measurements. Journal of Sound and Vibration, 330 (6), pp. 1141-1152.

Rahim, S. A. and Hillis, A. J., 2011. Frequency shift in tracking the damage of fixed offshore structures. Journal of Applied Sciences, 11 (10), pp. 1688-1697.

Hillis, A. J. and Courtney, C. R. P., 2010. Bicoherence-based structural health monitoring of fixed offshore structures. Proceedings of SPIE - The International Society for Optical Engineering, 7650, 76502C.

Hillis, A., 2010. Active motion control of fixed offshore platforms using an extended state observer. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 224 (1), pp. 53-63.

Hillis, A. J., Neild, S. A., Drinkwater, B. W. and Wilcox, P. D., 2006. Global crack detection using bispectral analysis. Proceedings of the Royal Society A, 462 (2069), pp. 1515-1530.

Hillis, A. J., Neild, S. A., Stoten, D. P. and Harrison, A. J. L., 2005. A minimal controller synthesis algorithm for narrow-band applications. Proceedings of the International Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 219.

Hillis, A. J., Harrison, A. J. L. and Stoten, D. P., 2004. A comparison of two adaptive algorithms for the control of active engine mounts. Journal of Sound and Vibration, 286.

Conference or Workshop Items

Scheiblegger, C., Roy, N., Pfeffer, P. E. and Hillis, A., 2017. Modeling hydro mounts in vehicles for durability load analyses, ride comfort and vehicle dynamics simulation. In: 13th International Symposium on Advanced Vehicle Control, AVEC 2016, 2016-09-13 - 2016-09-16. CRC Press/Balkema, pp. 703-712.

Darling, J., Hillis, A. and Alfadhli, A. E. H. E., 2016. Hardware-in-the-Loop (HIL) Simulation of a Quarter Vehicle Model using a Multi-axis Simulation Table (MAST). In: Bath/ASME FPMC 2016, 2016-09-07.

Johnston, N., Pan, M., Plummer, A., Hillis, A. and Yang, H., 2015. Theoretical Studies of a Switched Inertance Hydraulic System in a Four-Port Valve Configuration. In: The Seventh Workshop on Digital Fluid Power, 2015-02-26 - 2015-02-27.

Barbini, L., Cole, M. O. T., Hillis, A. J. and Du Bois, J. L., 2015. Weak signal detection based on two dimensional stochastic resonance. In: Signal Processing Conference (EUSIPCO), 2015, 2015-08-31 - 2015-09-04. IEEE.

Chen, L., Sun, L., Zang, J. and Hillis, A. J., 2014. Numerical Simulation of Wave-induced Roll of a 2-D Rectangular Barge Using OpenFOAM. In: the 29th International Workshop on Water Waves and Floating Bodies, 2014-03-30 - 2014-04-02.

Pan, M., Hillis, A. and Johnston, N., 2014. Active control of fluid-bome noise in hydraulic systems using in-series and by-pass structures. In: 10th UKACC International Conference on Control, CONTROL 2014, 2014-07-09 - 2014-07-11. IEEE, pp. 355-360.

Pan, M., Robertson, J., Johnston, N., Plummer, A. and Hillis, A., 2014. Experimental investigation of a switched inertance hydraulic system. In: Bath/ASME FPMC 2014, 2014-09-10 - 2014-09-12. ASME, V001T01A020.

Scheiblegger, C. A., Roy, N. B., Silva Parez, O. B., Hillis, A. J. and Darling, J. C., 2014. Non-linear modeling of bushings and cab mounts for calculation of durability loads. In: SAE 2014 World Congress & Exhibition, 2014-04-08 - 2014-04-10.

Chen, L., Zang, J., Hillis, A. J. and Plummer, A. R., 2013. Modelling of focused waves transformation and wave run-up at a beach using OpenFOAM. In: The 9th UK Young Coastal Scientists and Engineers Conference, 2013-03-25 - 2013-03-26.

Chen, L., Morgan, G. C. J., Zang, J., Hillis, A. J. and Taylor, P. H., 2013. Modelling wave interactions with a surface-piercing vertical cylinder using OpenFOAM. In: The 28th International Workshop on Water Waves and Floating Bodies, 2013-04-07 - 2013-04-10, L'Isle sur la Sorgue.

Stringer, R., Zang, J. and Hillis, A. J., 2013. Numerical modelling of a laboratory scale tidal turbine. In: 2nd Oxford Tidal Energy Workshop (OTE 2013), 2013-03-18 - 2013-03-19.

Stringer, R., Zang, J. and Hillis, A. J., 2013. Prediction of Lab Scale Cross-Flow Tidal Turbine Performance Using Unsteady RANS. In: The 10th European Wave and Tidal Energy Conference, 2013-09-02 - 2013-09-05.

Chen, L., Zang, J., Hillis, A. J. and Plummer, A. R., 2013. Use of OpenFOAM in modelling of wave-structure interactions. In: HPC symposium, 2013-06-04 - 2013-06-04.

Johnston, N., Kudzma, S., Plummer, A., Sell, N., Hillis, A. and Pan, M., 2012. A high flow fast switching valve for digital hydraulic systems. In: The Fifth Workshop on Digital Fluid Power, 2012-10-24 - 2012-10-25.

Pan, M., Johnston, N. and Hillis, A., 2012. Active control of pressure pulsation in a switched inertance hydraulic system using a rectangular-wave reference signal. In: Bath/ASME Symposium on Fluid Power and Motion Control, 2012-09-12 - 2012-09-14.

Wang, P., Kudzma, S., Johnston, N., Plummer, A. and Hillis, A., 2011. The Influence of Wave Effects on Digital Switching Valve Performance. In: The Fourth Workshop on Digital Fluid Power, 2011-09-21 - 2011-09-22.

Cargo, C., Plummer, A. R., Hillis, A. J. and Schlotter, M., 2011. Optimal design of a realistic hydraulic power take-off in irregular waves. In: 9th European Wave and Tidal Energy Conference (EWTEC), 2014-09-01 - 2014-09-05, UK.

Lamming, C., Plummer, A. R. and Hillis, A. J., 2011. Controller Synthesis in Electrohydraulic Force Control. In: 12th Scandinavian conference on Fluid Power (SICFP'11), 2011-05-17 - 2011-05-20, Finland.

Cargo, C., Plummer, A. R. and Hillis, A. J., 2011. Hydraulic Power Transmission and Control for Wave Energy Converters. In: 52nd National Fluid Power Conference, 2011-03-21 - 2011-03-25.

Lamming, C., Plummer, A. R. and Hillis, A. J., 2010. Analysis of Robust Electrohydraulic Force Control. In: 7th International Fluid Power Conference (IFK), 2010-03-22 - 2010-03-24.

Hillis, A., 2009. Adaptive vibration control of offshore structures. In: International Conference on Experimental Vibration Analysis for Civil Engineering Structures (EVACES), 2009-10-14 - 2009-10-16.

Hillis, A. J., Neild, S. A., Drinkwater, B. W. and Wilcox, P. D., 2006. Bispectral analysis of ultrasonic inter-modulation data for improved defect detection. In: 32nd Annual Review of Process in Quantitative Nondestructive Evaluation, 2005-07-31 - 2005-08-05.

Hillis, A. J. and Harrison, A. J. L., 2004. Active engine mounts for improved passenger comfort. In: Proceedings of the FISITA World Automotive Congress, Barcelona Spain, 2004-01-01.

Hillis, A. J., Harrison, A. J. L. and Stoten, D. P., 2003. Adaptive control of active engine mounts. In: Proceedings of the fifth IASTED International Conference on Signal and Image Processing, Honolulu USA, 2003-01-01.

Patent

Chapman, A., Hillis, A. J., Biddle, H. and Carey, J., 2007. Systems and method for dispensing an ice slush-cooled beverage. GB2436445(B), US2009077999(A1), WO2007107698(A1), EP1996883(A1), September 2007.

Other

Mullineux, G. and Hillis, A., 2012. Cost reduction and product innovation for bulk handling machines. University of Bath.

Hillis, A. and Mullineux, G., 2012. Cost reduction and product innovation with Stock Redler. University of Bath.

This list was generated on Tue Jul 25 14:24:07 2017 IST.