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Funded PhD Opportunity

Artificial intelligence for damage detection in composite materials

Subject: Computer Science and Informatics


Monitoring a complex structure, such as the wing of an aircraft, for damage using sensors is known as Structural Health Monitoring (SHM). SHM can extend the overall lifetime of a structure whilst reducing its maintenance costs, but its use raises questions such as:

How should we position sensors across a structure to monitor for damage effectively? [1] For example, how should we position sensors across the wing of an aircraft to measure the stress accurately at a set of critical points?

How can we minimize the number of sensors used in the structure? Each additional sensor we use may weaken the structure, so generally we wish to reduce the number of sensors used.

What are the most suitable algorithms for analysing the data coming from the sensors? A wide range of algorithms are today used for analysing sensor data [2]. For best results, we should tailor the choice of algorithm to the SHM problem at hand.

The aim of this interdisciplinary PhD project is to use state-of-the-art methods from artificial intelligence, such as transfer learning and Bayesian optimization, to solve real, practical problems in the structural health monitoring of advanced composite materials.  Working with partners from the Northern Ireland Advanced Composites and Engineering (NIACE) centre in Belfast, this project has the potential to have impact in a range of sectors including aerospace, automotive, space and construction.

The objectives of the research are:

  • (1)  To model the trade-off between the benefit of placing a sensor in a particular location in a composite structure, with any adverse effects the sensor itself may have on the structure.
  • (2)  To tailor the selection of machine learning algorithm to the behaviour of the properties being monitored.
  • (3)  To evaluate the proposed methodology using data from applications provided by partners at NIACE.

This interdisciplinary project brings together expertise in machine learning, optimization and sensors [3,4] from the School of Computing, and in composite materials [5] from the Engineering Composites Research Centre. With scope to publish in both computer science and engineering journals, and opportunities to attend technical presentations at NIACE, the PhD student will develop skills relevant to a career in both data science and materials science.

[1] Sun et al. (2015) Optimal sensor placement in structural health monitoring using discrete optimization, Smart Mater. Struct. 24 125034.

[2] Farrar and Worden (2012) Structural Health Monitoring: A Machine Learning Perspective, Wiley.

[3] Hawe et al. (2008) A scalarizing one-stage algorithm for efficient multi-objective optimization, IEEE Trans. Magnetics, 44 (6) 1094-1097.

[4] Liu et al. (2016) Optimizing the configuration of a heterogeneous architecture of sensors for activity recognition, using the extended belief rule-based inference methodology. Microprocessors and Microsystems, 52 381-390.

[5] McIlhagger et al. (2014) Repair of damaged aerospace composite structures, in Polymer Composites in the Aerospace Industry.

Essential criteria

  • Upper Second Class Honours (2:1) Degree or equivalent from a UK institution (or overseas award deemed to be equivalent via UK NARIC)

Desirable Criteria

If the University receives a large number of applicants for the project, the following desirable criteria may be applied to shortlist applicants for interview.

  • First Class Honours (1st) Degree
  • Masters at 70%



    The scholarship will cover tuition fees at the Home rate and a maintenance allowance of £ 14,777 per annum for three years. EU applicants will only be eligible for the fees component of the studentship (no maintenance award is provided).  For Non EU nationals the candidate must be "settled" in the UK.

Other information

The Doctoral College at Ulster University


As Senior Engineering Manager of Analytics at Seagate Technology I utilise the learning from my PhD ever day

Adrian Johnston - PhD in Informatics

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Key dates

Submission deadline
Monday 30 April 2018

Interview Date
May 2018

Contact supervisor

Dr Glenn Hawe

Other supervisors


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