Dr Andy Hillis
MEng PhD CEng
Profile
Dr Hillis is a 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
Articles
Pan, M., Johnston, N. and Hillis, A., 2013. Forthcoming. 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
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).
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
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, Tampere.
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, Bath.
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, Linz.
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, Wroclaw.
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, Brunswick.
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.
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.
