Research output per year
Research output per year
Personal profile
Overview
My research is focused on feedback control theory and its applications. A recurrent theme has been to balance the simplicity and insight of classical control with the power and potential of digital control implementation to address nonlinear control problems. The focus is systems with actuator nonlinearities such as saturation, rate constraints, backlash and hysteresis.
I am interested in multiplier theory within the framework of absolute stability theory. Recent highlights include new frequency domain characterisations of both the continuous-time O'Shea-Zames-Falb multipliers and their discrete-time counterparts. I apply these techniques to model predictive control and antiwindup.
Contact Info
School of Computer Science and Engineering
Bangor University
Dean Street
Bangor
Gwynedd
LL57 1UT
email: [email protected]
External positions
Chair, UKACC
15 Jul 2024 → 14 Jul 2027
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Collaborations and top research areas from the last five years
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Absolute Stability Methods
Carrasco, J., Heath, W. & Seiler, P., 28 Mar 2025, (E-pub ahead of print) Encyclopedia of Systems and Control Engineering. ElsevierResearch output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary › peer-review
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Instance-Based Transfer Learning with Similarity-Aware Subject Selection for Cross-Subject SSVEP-Based BCIs
Wang, Z., Zhang, Y., Zhang, Z., Zie, S. Q., Lanzon, A., Heath, W. & Li, Z., 4 Jun 2025, (Accepted/In press) In: IEEE Journal of Biomedical and Health Informatics.Research output: Contribution to journal › Article › peer-review
File3 Downloads (Pure) -
Phase Limitations of Multipliers for Nonlinearities With Monotone Bounds
Heath, W. & Carrasco, J., Mar 2025, In: IEEE Transactions on Automatic Control. 70, 3, p. 2051-2058 8 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile27 Downloads (Pure) -
Phase Limitations of Multipliers at Harmonics
Heath, W. P., Carrasco, J. & Zhang, J., 1 Jan 2024, In: IEEE Transactions on Automatic Control. 69, 1, p. 566–573Research output: Contribution to journal › Article › peer-review
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Duality Bounds for Discrete-Time Zames-Falb Multipliers
Zhang, J., Carrasco, J. & Heath, W. P., 1 Jul 2022, In: IEEE Transactions on Automatic Control. 67, 7, p. 3521-3528 8 p.Research output: Contribution to journal › Article › peer-review