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Dr Qunfen Qi is a senior research fellow in the EPSRC future advanced metrology hub at the University of Huddersfield. Qunfen has a BEng degree in Mechanical Engineering and an MSc in Measurement Technology. She was awarded a PhD by the University of Huddersfield on 2013 with a thesis entitled “Bridging the knowledge gap between design, manufacture and measurement in the field of surface texture” under the supervision of Professors Dame Xiangqian Jane Jiang, Professor Liam Blunt and Professor Paul J Scott at the Centre for Precision Technologies (CPT), University of Huddersfield.

Qunfen’s research lies in the field of knowledge modelling for manufacturing covering: smart information systems, abstract mathematical theory (category theory), Geometrical Product Specifications and Verification (GPS), additive manufacturing (AM), surface design and metrology. She has worked for ten years in developing decision-making tools for smart product design and inspection, using category theory as its foundation.

Qunfen is recently awarded an EPSRC UKRI Innovation Fellowship. The aim of her fellowship is to develop a universal categorical language that supports semantic representation, reasoning and interrogation for the manufacturing system, especially for AM, where traditional design for manufacturing rules or guidelines are no longer applicable, and expertise in AM design, process control and inspection is in growing demand. The formalisation of AM knowledge will help designers in understanding: the capabilities and limitations of various type of AM process; how geometrical design and process parameters affect each other; and how to configure process parameters to guarantee the required geometrical variability. This will greatly improve the process repeatability and part-to-part reproducibility, and significantly reduce power usage and failure rate, lower the cost of production and make a more environmentally-friendly manufacturing technology.

Qunfen is an EPSRC Peer Review Associate College, a fellow of the Higher Education Academy (FHEA), an EPSRC sponsored member of Women's Engineering Society (WES). She was invited to give several talks (UK, China) representing woman scientists to speak about her research vision and share her experience. She also contributes to teaching in Mathematics, Mechanical Science and Engineering and Dynamic Systems, supervision of post-doc research fellows, co-supervision of PhD students, supervision of Masters students and final year undergraduate students. She has peer reviewed for leading journals in advanced manufacturing such as Measurement Science Review, Computer-Aided Design, International Journal of Advanced Manufacturing Technologies, Materials, Measurement Science Technology, Precision Engineering, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture.

Research Expertise and Interests

  • Knowledge representation
  • Category theory for knowledge representation, reasoning and modelling
  • Knowledge modelling of Additive Manufacturing
  • Fundamental structure of Geometrical Product Specifications and Verification (GPS)
  • Knowledge representation of GPS
  • Surface texture design and metrology
  • Geometrical tolerance design and metrology
  • Computer Aided Tolerancing
  • Uncertainties of GPS

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Projects 2018 2021

A semantic infrastructure for advanced manufacturing

Qi, Q.


Project: ResearchResearch Council

Research Output 2009 2019

  • 13 Article
  • 6 Conference contribution
  • 2 Conference article
Open Access
1 Citation (Scopus)

Status, comparison, and future of the representations of additive manufacturing data

Qin, Y., Qi, Q., Scott, P. J. & Jiang, X., Jun 2019, In : CAD Computer Aided Design. 111, p. 44-64 21 p.

Research output: Contribution to journalArticle

Open Access
3D printers
1 Citation (Scopus)

A categorical framework for formalising knowledge in additive manufacturing

Qi, Q., Pagani, L., Scott, P. J. & Jiang, X., 3 Sep 2018, In : Procedia CIRP. 75, p. 87-91 5 p.

Research output: Contribution to journalConference article

Open Access
3D printers
Materials properties

An adaptive tolerancing algorithm for freeform profiles

Pagani, L., Qi, Q., Wang, J., Jiang, X. & Scott, P. J., 3 Sep 2018, In : Procedia CIRP. 75, p. 185-189 5 p.

Research output: Contribution to journalArticle

Open Access
Adaptive algorithms
3 Citations (Scopus)

A review of representation models of tolerance information

Qin, Y., Qi, Q., Lu, W., Liu, X., Scott, P. & Jiang, X., Mar 2018, In : International Journal of Advanced Manufacturing Technology. 95, 5-8, p. 2193-2206 14 p.

Research output: Contribution to journalArticle

Open Access

Activities 2017 2017

  • 1 Oral presentation

Matching Algorithm for Tolerance Specification and Measurement

Qunfen Qi (Speaker), Paul Scott (Speaker), Xiangqian Jiang (Speaker)
27 Jun 2017

Activity: Talk or presentation typesOral presentation