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Personal profile

Research interests

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.

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Projects

Predictability bounded control of the Mocean WEC

Hillis, A., Johnston, N., Plummer, A. & Sell, N.

Wave Energy Scotland

1/11/1731/01/18

Project: Central government, health and local authorities

  • CCell Mark 3- Novel Wave Energy Converter

    Hillis, A.

    Wave Energy Scotland

    1/02/1630/04/17

    Project: Central government, health and local authorities

  • Research Output

    Computational modelling and experimental tank testing of the multi float WaveSub under regular wave forcing

    Faraggiana, E., Whitlam, C., Chapman, J., Hillis, A., Roesner, J., Hann, M., Grieves, D., Yu, Y-H., Ruehl, K., Masters, I., Foster, G. & Stockman, G., 2 Jan 2020, In : Renewable Energy. 152, p. 892-909

    Research output: Contribution to journalArticle

    Power capture gains for the WaveSub submerged WEC using active control

    Hillis, A., Whitlam, C., Brask, A., Chapman, J. & Plummer, A., 1 Sep 2019.

    Research output: Contribution to conferencePaper

    File

    Simulation of a power electronic conversion system with short-term energy storage for actively controlled wave energy converters

    Hillis, A. J., Plummer, A. R., Zeng, X. & Chapman, J., 14 Oct 2019, 2019 Offshore Energy and Storage Summit, OSES 2019. IEEE, p. 1-7 7 p. 8867347. (2019 Offshore Energy and Storage Summit, OSES 2019).

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

    Open Access
    File
    10 Downloads (Pure)

    Amplitude-cyclic frequency decomposition of vibration signals for bearing fault diagnosis based on phase editing

    Barbini, L., Eltabach, M., Hillis, A. J. & du Bois, J. L., 15 Mar 2018, In : Mechanical Systems and Signal Processing. 103, p. 76-88 13 p.

    Research output: Contribution to journalArticle

  • 8 Citations (Scopus)

    An Active Seat Controller with Vehicle Suspension Feedforward and Feedback States: An Experimental Study

    Alfadhli, A. E. H. E., Darling, J. & Hillis, A. J., 11 Apr 2018, In : Applied Sciences. 8, 4, p. 1-23 23 p., 603.

    Research output: Contribution to journalArticle

    Open Access
  • 2 Citations (Scopus)

    Thesis

    Active Control of Pressure Pulsation in a Switched Inertance Hydraulic System

    Author: Pan, M., 30 Apr 2012

    Supervisor: Johnston, D. (Supervisor) & Hillis, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Active Seat Suspensions for Automotive Applications

    Author: Alfadhli, A., 1 Jan 2018

    Supervisor: Darling, J. (Supervisor) & Hillis, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Adaptive control of an active seat for occupant vibration reduction

    Author: Gan, Z., 29 May 2015

    Supervisor: Hillis, A. (Supervisor) & Darling, J. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Control of a Fast Switching Valve for Digital Hydraulics

    Author: Sell, N., 8 Jun 2015

    Supervisor: Johnston, D. (Supervisor), Plummer, A. (Supervisor) & Hillis, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Design and Control of Hydraulic Power Take-Offs for Wave Energy Converters

    Author: Cargo, C., 31 Dec 2013

    Supervisor: Plummer, A. (Supervisor) & Hillis, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File