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Frequency analysis and design of nonlinear systems: theories, methods and their applications


   Department of Automatic Control and Systems Engineering

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  Prof Zi-Qiang Lang  Applications accepted all year round  Self-Funded PhD Students Only

About the Project

This project is concerned with the development of the theories and methods for the frequency analysis and design of nonlinear systems and the application of these theories and methods in an wide range of science and engineering areas.

Linear system frequency domain analysis and design theories and methods are the basis of the technologies in telecommunication, control, signal processing, mechanical and civil structural vibration suppression and health monitoring, etc a wide range of areas. Given the inherent nonlinear behaviours of practical science and engineering systems, and some beneficial effects that nonlinearity can bring to engineering designs that have recently be revealed by our studies at Sheffield, the extension of well-established linear system frequency domain theories and methods to the nonlinear case has considerable scientific and engineering significance. Motivated by these, a series novel concepts, theories, and methods have been proposed and developed at Sheffield, and many of these new results have been successfully applied in solving real scientific and engineering problems including the analysis of biological signals, the analysis and design of civil and mechanical vibration isolation systems, non-destructive evaluation and health monitoring of engineering structures, and engineering system fault diagnosis, etc.


Funding Notes

This is a self-funded research project.
We require applicants to have either an undergraduate honours degree (1st) or MSc (Merit or Distinction) in a relevant science or engineering subject from a reputable institution.
Full details of how to apply can be found at the following link:
https://www.sheffield.ac.uk/acse/research-degrees/applyphd
Applicants can apply for a Scholarship from the University of Sheffield but should note that competition for these Scholarships is highly competitive: https://www.sheffield.ac.uk/postgraduate/phd/scholarships
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