Research output per year

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Personal profile

Research interests

Dr Hughes’ research focuses on electromagnetic sensing & control, with specific interests in resonant inductive sensing, array technology, complex-data processing and inversion modelling, with applications in non-destructive testing & evaluation (NDT&E) of industrial components. He also has a growing interest in magnetic particle manipulation in microfluidic environments with applications in diagnostic healthcare technology.  A summary of Dr Hughes’ active research areas are given below.

For potential collaboration, postgraduate or postdoctorate opportunities, please contact Robert.hughes@bristol.ac.uk.


Inductive Sensing / Eddy-Current Testing

Inductive sensing, also known as eddy-current testing (ECT), is a highly-sensitive electromagnetic inspection technique used to non-destructively evaluate the electrical and magnetic properties of materials. Commonly used to detect damage, monitor manufacturing tolerances or evaluate component quality, ECT is integral to ensuring the safety and longevity of many industries.

Advanced manufacturing techniques, materials and processes for producing the next-generation of stronger, lighter or more durable industrial components all come with their own unique and demanding inspection challenges that must be solved.  It is on these challenges that my research focuses.

Current research activities include the development of novel technology and data-processing methodology for:

  • Resonant sensing ECT – Near electrical resonance signal enhancement (NERSE)
  • Novel array sensors
  • Defect inversion modelling
  • Carbon-fibre composite inspection & structural inversion


Magnetic Particle Manipulation

Development of bespoke magnetic field environments for rapid trapping and manipulation of magnetically-labelled particles on-chip.

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EPSRC Funding via Nottingham - Rob Hughes

Hughes, R. R.


Project: Research

Research Output

  • 5 Article (Academic Journal)
  • 3 Conference Contribution (Conference Proceeding)
  • 1 Commissioned report
  • 1 Patent

Performance analysis of single-frequency near electrical resonance signal enhancement (SF-NERSE) defect detection

Hughes, R. R. & Dixon, S., 1 Mar 2019, In : NDT and E International. 102, p. 96-103 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
  • 1 Citation (Scopus)
    258 Downloads (Pure)

    Analysis of electrical resonance distortion for inductive sensing applications

    Hughes, R. R. & Dixon, S., 15 Jul 2018, In : IEEE Sensors Journal. 18, 14, p. 5818-5825 8 p.

    Research output: Contribution to journalArticle (Academic Journal)

    Open Access
  • 2 Citations (Scopus)
    271 Downloads (Pure)
    Open Access
  • 9 Citations (Scopus)
    467 Downloads (Pure)


    IEEE-UFFC Data from NDT of Composites Fellowship (10-2017)

    Smith, R. A. (Creator), Mhlanga, S. (Creator), Nelson, L. (Creator), Boumda, R. T. (Creator), Fraij, C. (Creator), Mienczakowski, M. (Creator), Hughes, R. R. (Creator) & Xie, N. (Creator), University of Bristol, 3 Oct 2017


    Data from NDT of Composites Fellowship (09-2017)

    Xie, N. (Creator), Nelson, L. (Creator), Hughes, R. R. (Creator), Smith, R. A. (Creator), Mienczakowski, M. (Creator), Fraij, C. (Creator), Boumda, R. T. (Creator) & Mhlanga, S. (Creator), University of Bristol, 19 Sep 2017