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Last updated 20th August 2025

Simon Fletcher is a Principal Enterprise Fellow working within the Engineering Control and Machine Performance group (ECMPG), part of the Centre for Precision Technologies.  With more than 20years’ experience in machine tool performance improvement including error identification, avoidance and compensation, he has helped establish the groups international reputation for research into machine tool precision.

Simon is currently working on collaborative research with industry primarily involving detailed geometric, finite stiffness and thermal performance assessments for precision manufacturers. This type of work has evolved and now includes machine tool and machining process simulation, novel embedded sensors and measurement methods. This follows the co-creation of new Modular Machine and Process simulator software as part of a recently completed InnovateUK project. The combination of machine tool metrology and simulation work is now being used as part of a the SiPF AMPI and ARMSS projects, specifically working on high fidelity digital twin development for machinery and machinigni processes.

As co-investigator for the University EPSRC Future Advanced Metrology Hub for Sustainable Manufacturing, Dr Fletcher has also been working on traceable on-machine inspection and new sensor technologies for embedded measurement of machine tool structural distortion. This activity has recently expaneded into cost effective sensorisation for machine condition assessment, creating new low cost MEMS based solutions with edge computing as part of a recently completed InnovateUK project with MTT (lead partner) on 'Metrology and digital manufacturing for servitisation of manufacturing machines'.

Dr Fletcher has been module leader for an MSc module on dimensional measurement for more than 10 year, with many final year projects being supervised. He is also Director of Studies for 6PhDs students and co-supervises a number of others in the Engineering Control and Machine performance group.