The University of Southampton
Telephone:
+442380592227
Email:
m.c.turner@soton.ac.uk

Professor Matthew Turner BEng, PhD, MIEEE

Matthew Turner received the BEng degree in Electrical and Electronic Engineering from the University of Surrey in 1996 and the PhD in Control Engineering from the University of Leicester in 2000. After a post-doc he continued at Leicester for several years cecoming lecturer, then senior lecturer and then professor. At Leicester he served in various leadership capacities including Deputy Head of Research (Engineerin) and Head of the Aerospace and Computational Engineering Research Group.  He joined the Cyber-Physical-Systems Research Group in ECS in March 2020.

Internationally, he is best known for his contributions to anti-windup control - algorithms which augment standard control systems so that they retain stability and functionality in the presence of input constaints (ubiquitous in control systems). His ideas on anti-windup have been applied to various practical control systems and, together with DLR Braunschweig, he was part of several flight test campaigns examining the efficacy of anti-windup compensators for the alleviation of pilot-induced-oscillations (PIO's) in highly augmented aircraft.

For serveal years he served as an associate editor for the International Journal of Control (under the editorship of Prof. Eric Rogers) and has served in various editorial and programme committee capacities for a number of international conferences.

Research

Research interests

Dr. Turner's research interests are currently focused on robust control, adaptive control and absolute stability analysis of nonlinear control systems, and the application of these topics to various physical systems. He has worked with various aerospace companies and institutions in the UK and elsewhere and has experience designing and implementing advanced control systems for a number of different aerospace systems. His research has been funded by both government agencies and industry. He is currently particularly interested in

  • Adaptive control systems and how they can be made robust and function in situations not originally envisaged
  • Anti-windup algorithms for systems with control signal constraints - retro fits to existing controllers to enable them to function well when actuator position/rate-limits are present
  • Absolute stabilty of systems containing static, isolated nonlinearities - especially efficient, convex algorithms for their analysis
  • The cross-over between control and artificial intelligence

Teaching

Dr. Turner currently teaches the following modules

  • ELEC3201 Robotic Systems
  • ELEC2210/2211/2219 - Vector Calculus part

Dr. Turner supervises projects in the general area of control systems, particularly, but not limited to, those pertaining to aerospace systems.

Publications

Turner, Matthew, Sofrony, Jorge and Prempain, Emmanuel (2020) Anti-windup for model-reference adaptive control schemes with rate-limits. Systems & Control Letters, 137, 1-9, [104630]. (doi:10.1016/j.sysconle.2020.104630).

Ofodile, Nkemdilim A., Turner, Matthew C. and Sofrony, Jorge (2016) Alternative approach to anti-windup synthesis for double integrator systems. In 2016 American Control Conference, ACC 2016. vol. 2016-July, IEEE. pp. 5473-5478 . (doi:10.1109/ACC.2016.7526528).

Lekka, Angeliki, Turner, Matthew C. and Menon, Prathyush P. (2016) Anti-windup for a class of partially linearisable non-linear systems with application to wave energy converter control. IET Control Theory and Applications, 10 (18), 2403-2414. (doi:10.1049/iet-cta.2016.0296).

Ofodile, Nkemdilim A. and Turner, Matthew C. (2016) Decentralized Approaches to Antiwindup Design with Application to Quadrotor Unmanned Aerial Vehicles. IEEE Transactions on Control Systems Technology, 24 (6), 1980-1992, [7419247]. (doi:10.1109/TCST.2016.2521799).

Carrasco, Joaquin, Turner, Matthew C. and Heath, William P. (2016) Zames-Falb multipliers for absolute stability: from O'Shea's contribution to convex searches. European Journal of Control, 28, 1-19. (doi:10.1016/j.ejcon.2015.10.003).

Turner, Matthew C., Sofrony, Jorge and Herrmann, Guido (2017) An alternative approach to anti-windup in anticipation of actuator saturation. International Journal of Robust and Nonlinear Control, 27 (6), 963-980. (doi:10.1002/rnc.3609).

Ofodile, Nkemdilim A. and Turner, Matthew C. (2017) Anti-windup design for input-coupled double integrator systems with application to quadrotor UAV's. European Journal of Control, 38, 22-31. (doi:10.1016/j.ejcon.2017.07.002).

Turner, Matthew C. and Sofrony, Jorge (2017) Improved Circle and Popov Criteria for systems containing magnitude bounded nonlinearities. IFAC-PapersOnLine, 50 (1), 7409-7414. (doi:10.1016/j.ifacol.2017.08.1494).

Turner, Matthew C. (2017) Positive μ modification as an anti-windup mechanism. Systems and Control Letters, 102, 15-21. (doi:10.1016/j.sysconle.2017.01.003).

Turner, Matthew C. and Kerr, Murray (2018) A nonlinear modification for improving dynamic anti-windup compensation. European Journal of Control, 41, 44-52. (doi:10.1016/j.ejcon.2018.02.001).

Turner, Matthew C. and Forbes, James R. (2020) Conic sector analysis using integral quadratic constraints. International Journal of Robust and Nonlinear Control, 30 (2), 741-755. (doi:10.1002/rnc.4803).

Drummond, R., Turner, M. C. and Duncan, S. R. (2019) External positivity of linear systems by weak majorisation. In 2019 American Control Conference, ACC 2019. vol. 2019-July, Institute of Electrical and Electronics Engineers Inc. pp. 5191-5196 . (doi:10.23919/ACC.2019.8814408).

Yang, Hao, Morales, Rafael M. and Turner, Matthew C. (2019) Robust principal component algorithms for high-order fast-sampled systems. In 2019 18th European Control Conference, ECC 2019. Institute of Electrical and Electronics Engineers Inc. pp. 465-470 . (doi:10.23919/ECC.2019.8796281).

Richards, Christopher M. and Turner, Matthew C. (2019) Combined static and dynamic antiwindup architecture with application to quadcopters experiencing large disturbances. In 2019 American Control Conference, ACC 2019. vol. 2019-July, Institute of Electrical and Electronics Engineers Inc. pp. 2915-2921 . (doi:10.23919/ACC.2019.8814827).

Sofrony, Jorge, Turner, Matthew C. and O'Brien, Richard T. (2018) Simple globally stabilising anti-windup designs for systems with rate-limits. In 2018 UKACC 12th International Conference on Control, CONTROL 2018. Institute of Electrical and Electronics Engineers Inc. pp. 7-12 . (doi:10.1109/CONTROL.2018.8516867).

Morales, Rafael M., Turner, Matthew C., Platts, Jon, Pugh, David and McCallum, Andrew T. (2017) Control design of a tilting mechanism for the UK National Rotor Test Rig Facility. In 43rd European Rotorcraft Forum, ERF 2017. vol. 2, Associazione Italiana di Aeronautica e Astronautica (AIDAA). pp. 1397-1405 .

Sofrony, Jorge and Turner, Matthew C. (2017) Flight control system design for wind gust rejection based on an unknown input observer and a simple adaptive controller. In 1st Annual IEEE Conference on Control Technology and Applications, CCTA 2017. vol. 2017-January, Institute of Electrical and Electronics Engineers Inc. pp. 1961-1966 . (doi:10.1109/CCTA.2017.8062743).

O'Brien, Richard T. and Turner, Matthew C. (2016) Improved computation of dwell time using the real Jordan form. In 2016 American Control Conference, ACC 2016. vol. 2016-July, Institute of Electrical and Electronics Engineers Inc. pp. 4281-4286 . (doi:10.1109/ACC.2016.7525595).

Carrasco, J., Turner, M. C. and Heath, W. P. (2015) Zames-Falb multipliers for absolute stability: From O'Shea's contribution to convex searches. In 2015 European Control Conference, ECC 2015. Institute of Electrical and Electronics Engineers Inc. pp. 1267-1284 . (doi:10.1109/ECC.2015.7330714).

Turner, Matthew C. and O'Brien, Richard T. (2015) An anti-windup scheme for an adaptive hamilt vibration controller: Development and simulations. In ACC 2015 - 2015 American Control Conference. vol. 2015-July, Institute of Electrical and Electronics Engineers Inc. pp. 5306-5311 . (doi:10.1109/ACC.2015.7172168).

Herrera, David, Sofrony, Jorge and Turner, Matthew C. (2015) Robust observer design via the GKYP lemma. In ACC 2015 - 2015 American Control Conference. vol. 2015-July, Institute of Electrical and Electronics Engineers Inc. pp. 900-905 . (doi:10.1109/ACC.2015.7170848).

Ofodile, Nkemdilim A., Turner, Matthew C. and Ubadike, Osichinaka C. (2015) Channel-by-channel anti-windup design for a class of multivariable systems. In ACC 2015 - 2015 American Control Conference. vol. 2015-July, Institute of Electrical and Electronics Engineers Inc. pp. 2045-2050 . (doi:10.1109/ACC.2015.7171034).

O'Brien, Richard T. and Turner, Matthew C. (2015) On the computation of dwell time using the real Jordan form. In ACC 2015 - 2015 American Control Conference. vol. 2015-July, Institute of Electrical and Electronics Engineers Inc. pp. 1776-1781 . (doi:10.1109/ACC.2015.7170990).

Turner, Matthew C., Kerr, Murray L. and Sofrony, Jorge (2015) Tractable stability analysis for systems containing repeated scalar slope-restricted nonlinearities. International Journal of Robust and Nonlinear Control, 25 (7), 971-986. (doi:10.1002/rnc.3122).

Tarbouriech, Sophie, Queinnec, Isabelle and Turner, Matthew C. (2009) Anti-windup design with rate and magnitude actuator and sensor saturations. In 2009 European Control Conference, ECC 2009. Institute of Electrical and Electronics Engineers Inc. pp. 330-335 . (doi:10.23919/ECC.2009.7074423).

Morales, R. M., Turner, M. C., Court, P. and Hutchint, C. (2014) Actuator constraints handling in higher harmonic control algorithms for vibration reduction. In 40th European Rotorcraft Forum 2014. vol. 2, The Royal Aeronautical Society. pp. 1094-1101 .

Morales, Rafael M. and Turner, Matthew C. (2014) Robust anti-windup design for active trailing edge flaps in active rotor applications. In 70th American Helicopter Society International Annual Forum 2014. vol. 4, American Helicopter Society. pp. 2475-2481 .

Sofrony, Jorge and Turner, Matthew C. (2014) A simple scheduled anti-windup technique. In 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc. pp. 2977-2982 . (doi:10.1109/ACC.2014.6858729).

Turner, Matthew C. and Kerr, Murray (2014) Lyapunov functions and L2 gain bounds for systems with slope restricted nonlinearities. Systems and Control Letters, 69 (1), 1-6. (doi:10.1016/j.sysconle.2014.04.002).

Morales, Rafael Mauricio, Turner, Matthew C., Court, Peter, Hilditch, Ross and Postlethwaite, Ian (2014) Force control of semi-active valve lag dampers for vibration reduction in helicopters. IET Control Theory and Applications, 8 (6), 409-419. (doi:10.1049/iet-cta.2012.0397).

Turner, Matthew C. and Herrmann, Guido (2014) A non-square sector condition and its application in deferred-action anti-windup compensator design. Automatica, 50 (1), 268-276. (doi:10.1016/j.automatica.2013.10.007).

Turner, Matthew C., Sofrony, Jorge and Herrmann, Guido (2014) Anticipatory anti-windup: An alternative construction. In 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc. pp. 2966-2971 . (doi:10.1109/ACC.2014.6859031).

Turner, Matthew and Richards, Christopher M. (2020) Constrained rigid body attitude stabilization: an anti-windup approach. IEEE Embedded Systems Letters, 1663 - 1668. (doi:10.1109/LCSYS.2020.3042932).

Turner, Matthew C. and Drummond, Ross (2021) Discrete‐time systems with slope restricted nonlinearities: Zames–Falb multiplier analysis using external positivity. International Journal of Robust and Nonlinear Control. (doi:10.1002/rnc.5391).

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