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2019

Accuracy in Detecting Failure in Ballscrew Assessment Towards Machine Tool Servitization

Alegeh, N., Shagluf, A., Longstaff, A. & Fletcher, S., 5 Sep 2019, In : International Journal of Mechanical Engineering and Robotics Research. 8, 5, p. 667-673 7 p., 2.

Research output: Contribution to journalArticle

Open Access
Machine tools
Industry
Sales
Ball screws
Acoustic emissions
1 Citation (Scopus)

Adaptive Collimator Design for Future Particle Accelerators

Furness, T., Fletcher, S., Williamson, J., Bertarelli, A., Carra, F., Gentini, L., Pasquali, M. & Redaelli, S., 29 Jan 2019, Proceedings of the 7th International Beam Instrumentation Conference, IBIC 2018. Schaa, V. RW., Petit-Jean-Genaz, C., Chrin, J., Olander, J. & Chen, Z. (eds.). Joint Accelerator Conferences Website (JACoW), Vol. 187. p. 240-244 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
particle accelerators
collimators
collimation
superconducting magnets
cleaning

Core Temperature Measurement in Subtractive Manufacturing Processes

Olabode, O. F., Fletcher, S., Longstaff, A. & Mian, N., 1 Nov 2019, Laser metrology and machine performance XIII: 13th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM & Robotic Performance : Lamdamap 2019. Blunt, L. & Knapp, W. (eds.). p. 14-21 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Temperature measurement
Acoustic wave velocity
Temperature
Ultrasonics
Machine tools

In-situ axis error detection module

Furness, T., Fletcher, S., Longstaff, A., Bell, A. & McVey, S., Jun 2019, European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019: 19th International Conference and Exhibition . Leach, R. K., Billington, D., Nisbet, C. & Phillips, D. (eds.). euspen, p. 214-217 4 p. P2.24

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Error detection
modules
Diodes
Calibration
Michelson interferometers
Open Access
Phase shift
Temperature measurement
Ultrasonics
Metals
Acoustic wave velocity
2 Citations (Scopus)
Open Access
Coordinate Measuring Machine
Coordinate measuring machines
Machining
Latency
Finite element method
2018
3 Citations (Scopus)
Open Access
Machine tools
Decision support systems
Costs
Decision support
Machine tool

Workpiece temperature measurement and stabilization prior to dimensional measurement

Mian, N., Fletcher, S. & Longstaff, A., 23 Mar 2018, Conference on Thermal Issues in Machine Tools: Proceedings. p. 367-377 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Temperature measurement
Stabilization
Surface measurement
Thermodynamic stability
Boundary conditions
2017
6 Citations (Scopus)

3D Visual Tracking of an Articulated Robot in Precision Automated Tasks

Alzarok, H., Fletcher, S. & Longstaff, A., 7 Jan 2017, In : Sensors. 17, 1, 23 p., 104.

Research output: Contribution to journalArticle

Open Access
optical tracking
Hough transforms
robots
Color
Robots

A cuckoo search optimisation-based Grey prediction model for thermal error compensation on CNC machine tools

Abdulshahed, A. M., Longstaff, A. & Fletcher, S., 7 Aug 2017, In : Grey Systems. 7, 2, p. 146-155 10 p.

Research output: Contribution to journalArticle

Open Access
Error compensation
Machine tools
Particle swarm optimization (PSO)
Hot Temperature
Birds

Areal surface measurement using multidirectional laser line scanning

Akowua, K., Fletcher, S., Longstaff, A. & Mian, N., 15 Mar 2017, Laser metrology and machine performance XII: Papers presented at the Twelfth International Conference and Exhibition on Laser Metrology, Coordinate Measuring Machine and Machine Tool Performance (LAMDAMAP 2017). Blunt, L. & Knapp, W. (eds.). Bedfordshire: euspen, p. 175-184 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Surface measurement
Scanning
Lasers
Machine tools
Data acquisition
2 Citations (Scopus)

Evaluation of automated flexible gauge performance using experimental designs

Papananias, M., Fletcher, S., Longstaff, A., Mengot, A., Jonas, K. & Forbes, A., 15 Mar 2017, Laser metrology and machine performance XII: Papers presented at the Twelfth International Conference and Exhibition on Laser Metrology, Coordinate Measuring Machine and Machine Tool Performance (LAMDAMAP 2017). Blunt, L. & Knapp, W. (eds.). Bedfordshire: euspen, p. 45-54 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design of experiments
Gages
Scanning
Gaging
Environmental impact

Expedient identification of the dynamics of ball-screw drives using online-validation

Hatwesh, A., Fletcher, S., Longstaff, A., Pan, W. & Gu, F., 26 Oct 2017, 2017 23rd International Conference on Automation and Computing (ICAC). Institute of Electrical and Electronics Engineers Inc., 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ball screws
Modal analysis
Machine tool drives
Dynamic models
Productivity
9 Citations (Scopus)

Improved machine tool linear axis calibration through continuous motion data capture

Miller, J. E., Longstaff, A. P., Parkinson, S. & Fletcher, S., Jan 2017, In : Precision Engineering. 47, p. 249-260 12 p.

Research output: Contribution to journalArticle

Open Access
Machine tools
Data acquisition
Calibration
Electric fuses
Hardware
2 Citations (Scopus)

Modelling Uncertainty Associated with Comparative Coordinate Measurement through Analysis of Variance Techniques

Papananias, M., Fletcher, S., Longstaff, A., Mengot, A., Jonas, K. & Forbes, A. B., Jun 2017, Proceedings of the 17th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2017. euspen, p. 407-408 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

analysis of variance
Analysis of variance (ANOVA)
Gaging
equators
Design of experiments
1 Citation (Scopus)

On the Exploitation of Automated Planning for Reducing Machine Tools Energy Consumption Between Manufacturing Operations

Parkinson, S., Longstaff, A., Fletcher, S., Vallati, M. & Chrpa, L., 2017, 27th International Conference on Automated Planning and Scheduling: (ICAPS 2017). Barbulescu, L., Frank, J., M. & Smith, S. F. (eds.). Association for the Advancement of Artificial Intelligence, 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Machine tools
Energy utilization
Planning
Environmental impact
Machining
3 Citations (Scopus)
Open Access
Gaging
Design of experiments
Gages
Uncertainty
Gage blocks
2016
4 Citations (Scopus)

A new strategy for improving vision based tracking accuracy based on utilization of camera calibration information

Alzarok, H., Fletcher, S. & Longstaff, A. P., 24 Oct 2016, 22nd International Conference on Automation and Computing: ICAC 2016: Tackling the New Challenges in Automation and Computing. Institute of Electrical and Electronics Engineers Inc., p. 278-283 6 p. 7604932

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Camera Calibration
Cameras
Calibration
Camera
Error Detection
2 Citations (Scopus)

A novel method based on Bayesian regularized artificial neural networks for measurement uncertainty evaluation

Papananias, M., Fletcher, S., Longstaff, A. & Mengot, A., 2016, Proceedings of the 16th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2016. euspen, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Coordinate measuring machines
Neural networks
evaluation
Temperature
Uncertainty
4 Citations (Scopus)

Developments in automated flexible gauging and the uncertainty associated with comparative coordinate measurement

Forbes, A., Papananias, M., Longstaff, A., Fletcher, S., Mengot, A. & Jonas, K., 2016, Proceedings of the 16th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2016. euspen, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Gaging
Coordinate measuring machines
Inspection
inspection
Uncertainty
13 Citations (Scopus)
Open Access
Microsensors
Displacement measurement
displacement measurement
sensors
Sensors
Open Access
Machine tools
Energy balance
Finite element method
Ball screws
Machining centers
20 Citations (Scopus)

Thermal error modelling of a gantry-type 5-axis machine tool using a Grey Neural Network Model

Abdulshahed, A. M., Longstaff, A. P., Fletcher, S. & Potdar, A., Oct 2016, In : Journal of Manufacturing Systems. 41, p. 130-142 13 p.

Research output: Contribution to journalArticle

Open Access
Machine tools
Neural networks
Heating
Error compensation
Hot Temperature
2015

A novel surface temperature measurement system for industrial applications

Tansley, D., Fletcher, S. & Longstaff, A., 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. euspen, p. 51-60 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

surface temperature
temperature measurement
sensors
industries
thermistors
2 Citations (Scopus)

A particle swarm optimisation-based grey prediction model for thermal error compensation on CNC machine tools

Abdulshahed, A. M., Longstaff, A. P. & Fletcher, S., 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. euspen, p. 363-372 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

machine tools
optimization
predictions
temperature sensors
convolution integrals
2 Citations (Scopus)

Application of multi sensor data fusion based on principal component analysis and artificial neural network for machine tool thermal monitoring

Potdar, A. A., Longstaff, A. P., Fletcher, S. & Mian, N. S., 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. euspen, p. 224-233 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

machine tools
multisensor fusion
principal components analysis
sensors
hysteresis

Derivation of a cost model to aid management of CNC machine tool accuracy maintenance

Shagluf, A., Longstaff, A. & Fletcher, S., 2015, In : Journal of Machine Engineering. 15, 2, p. 17-43 27 p.

Research output: Contribution to journalArticle

Open Access
Machine tools
Costs
Calibration
Cost functions
Failure modes
1 Citation (Scopus)

FEA-based design study for optimising non-rigid error detection on machine tools

Mian, N. S., Fletcher, S., Longstaff, A. P. & Myers, A., 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. euspen, p. 254-263 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

machine tools
fixtures
metrology
artifacts
stiffness

Investigation of a new method for improving image resolution for camera tracking applications

Alzarok, H., Fletcher, S., Longstaff, A. & Myers, A., 17 Mar 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. Blunt, L. & Hansen, H. N. (eds.). euspen, p. 40-50 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
image resolution
cameras
installing
field of view
costs

Machine structure simulation using FEA and optimised thermal parameters

Abuaniza, A., Fletcher, S., Mian, N. S. & Longstaff, A. P., 2015, Laser Metrology and Machine Performance XI - 11th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2015. euspen, p. 335-344 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

machine tools
simulation
heat generation
manufacturing
heat transfer
88 Citations (Scopus)

The application of ANFIS prediction models for thermal error compensation on CNC machine tools

Abdulshahed, A. M., Longstaff, A. P. & Fletcher, S., 2015, In : Applied Soft Computing. 27, p. 158-168 11 p.

Research output: Contribution to journalArticle

Error compensation
Fuzzy inference
Machine tools
Fuzzy systems
Hot Temperature
57 Citations (Scopus)

Thermal error modelling of machine tools based on ANFIS with fuzzy c-means clustering using a thermal imaging camera

Abdulshahed, A. M., Longstaff, A. P., Fletcher, S. & Myers, A., 2015, In : Applied Mathematical Modelling. 39, 7, p. 1837-1852 16 p.

Research output: Contribution to journalArticle

Open Access
Thermal Imaging
Adaptive Neuro-fuzzy Inference System
Fuzzy C-means Clustering
Modeling Error
Machine Tool
2014
curved surfaces
applications of mathematics
sensors
Sensors
probes
3 Citations (Scopus)

A novel approach for ANFIS modelling based on Grey system theory for thermal error compensation

Abdulshahed, A. M., Longstaff, A. P. & Fletcher, S., 17 Oct 2014, 2014 14th UK Workshop on Computational Intelligence, UKCI 2014 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 6930155

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Error compensation
Fuzzy inference
System theory
Machining
Machine tools
13 Citations (Scopus)

A practical coordinate unification method for integrated tactile-optical measuring system

Li, F., Peter Longstaff, A., Fletcher, S. & Myers, A., 2014, In : Optics and Lasers in Engineering. 55, p. 189-196 8 p.

Research output: Contribution to journalArticle

Optical sensors
optical measuring instruments
Sensor data fusion
Coordinate measuring machines
Data fusion
4 Citations (Scopus)
Machine tools
Calibration
Planning
Scheduling
Uncertainty

Control Scheme for Automatically Controlling the Milling System in between Optimal Working Points

Rubio, L., Longstaff, A. P., Fletcher, S., Myers, A. & De La Sen, M., 27 Jan 2014, Proceedings - 2013 IEEE International Conference on Systems, Man, and Cybernetics: SMC 2013. Institute of Electrical and Electronics Engineers Inc., p. 1628-1633 6 p. 6722034

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Milling (machining)
Cost functions
Materials properties
Switches
Controllers

Deployment and evaluation of a dual-sensor autofocusing method for on-machine measurement of patterns of small holes on freeform surfaces

Chen, X., Longstaff, A., Fletcher, S. & Myers, A., 1 Apr 2014, In : Applied Optics. 10, p. 2246-2255 10 p.

Research output: Contribution to journalArticle

evaluation
sensors
Sensors
Machine tools
deviation
35 Citations (Scopus)

Impact of measurement procedure when error mapping and compensating a small CNC machine using a multilateration laser interferometer

Linares, J. M., Chaves-Jacob, J., Schwenke, H., Longstaff, A., Fletcher, S., Flore, J., Uhlmann, E. & Wintering, J., 2014, In : Precision Engineering. 38, 3, p. 578-588 11 p.

Research output: Contribution to journalArticle

Interferometers
Machine tools
Lasers
Accessories
Time difference of arrival

Maintenance Strategies to Reduce Downtime Due to Machine Positional Errors

Shagluf, A., Longstaff, A. & Fletcher, S., 2014, Proceedings of Maintenance Performance Measurement and Management (MPMM) Conference 2014. Farinha, J. T. & Galar, D. (eds.). Universidade de Coimbra, p. 111-118 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Calibration
Machine tools
Decision making
Costs
7 Citations (Scopus)

Performance evaluation of a new taut wire system for straightness measurement of machine tools

Borisov, O., Fletcher, S., Longstaff, A. & Myers, A., 2014, In : Precision Engineering. 38, 3, p. 492-498 7 p.

Research output: Contribution to journalArticle

Open Access
Machine tools
Wire
Lasers
Interferometers
Optical sensors
16 Citations (Scopus)

Rapid and accurate reverse engineering of geometry based on a multi-sensor system

Li, F., Longstaff, A. P., Fletcher, S. & Myers, A., 2014, In : International Journal of Advanced Manufacturing Technology. 74, 1-4, p. 369-382 14 p.

Research output: Contribution to journalArticle

Open Access
Sensor data fusion
Reverse engineering
Geometry
Lasers
Scanning
3 Citations (Scopus)
Machining centers
Structural analysis
Modal analysis
Machine vibrations
Structural dynamics

Towards an Optimization Calculation for Preventative and Reactive Calibration Strategies

Shagluf, A., Longstaff, A., Fletcher, S. & Parkinson, S., 28 Apr 2014, Sustainable Design and Manufacturing 2014: Part 1. Setchi, R., Howlett, R. J., Naim, M. & Seinz, H. (eds.). 1 ed. Cardiff: KES International, Vol. 1. p. 83-94 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Calibration
Machine tools
Costs
Mobile phones
Aircraft
2013
2 Citations (Scopus)

An Efficient Offline Method for Determining the Thermally Sensitive Points of a Machine Tool Structure

Mian, N., Fletcher, S., Longstaff, A. & Myers, A., 1 Dec 2013, Proceedings of the 37th International MATADOR 2012 Conference. Hinduja, S. & Li, L. (eds.). Springer London, p. 101-104 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Machine tools
Finite element method
Error compensation
Hot Temperature
Temperature
10 Citations (Scopus)

Comparative study of ANN and ANFIS predprediction models for thermal error compensation on CNC machine tools

Abdulshahed, A., Longstaff, A., Fletcher, S. & Myers, A., 1 Mar 2013, Laser Metrology and Machine Performance X : 10th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2013. Blunt, L. (ed.). euspen, p. 79-89 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
machine tools
Error compensation
Fuzzy inference
inference
Machine tools
56 Citations (Scopus)

Efficient Estimation by FEA of Machine Tool Distortion Due to Environmental Temperature Perturbations

Mian, N., Fletcher, S., Longstaff, A. & Myers, A., Apr 2013, In : Precision Engineering. 37, 2, p. 372-379 8 p.

Research output: Contribution to journalArticle

Machine tools
Finite element method
Temperature
Environmental testing
Hot Temperature

Evaluation of measurement technique for a precision aspheric artefact using a nano-measuring machine

Chen, X., Longstaff, A., Fletcher, S. & Myers, A., 2013, Laser Metrology and Machine Performance X : 10th International Conference and Exhibition on Laser Metrology, Machine Tool, CMM and Robotic Performance, LAMDAMAP 2013. Blunt, L. (ed.). euspen, p. 351-358 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

artifacts
evaluation
probes
radii
Error compensation
14 Citations (Scopus)

Model-based expert system to automatically adapt milling forces in Pareto optimal multi-objective working points

Rubio, L., De La Sen, M., Longstaff, A. P. & Fletcher, S., 1 May 2013, In : Expert Systems with Applications. 40, 6, p. 2312-2322 11 p.

Research output: Contribution to journalArticle

Open Access
Cost functions
Expert systems
Milling (machining)
Knowledge based systems
Engineers
9 Citations (Scopus)

New low cost sensing head and taut wire method for automated straightness measurement of machine tool axes

Borisov, O., Fletcher, S., Longstaff, A. & Myers, A., 1 Aug 2013, In : Optics and Lasers in Engineering. 51, 8, p. 978-985 8 p.

Research output: Contribution to journalArticle

Open Access
machine tools
Machine tools
wire
Wire
cancellation