Professor Stephen Duncan

Papers in Refereed Journals

1. Zhao, S., Duncan, S.R. and Howey, D.A. (2016) Observability analysis and state estimation of lithium-ion batteries in the presence of sensor biases. IEEE Transactions on Control Systems Technology, in press.
2. Allwood, J.M., Duncan, S.R., Cao, J., Groche, P., Hirt, G., Kinsey, B., Kuboki, T., Liewald, M., Sterzing, A., Tekkaya, A.E. (2016) Closed-loop control of product properties in metal forming, CIRP Annals of Manufacturing Technology, 65, pp. 573-596.
3. Gayadeen, S. and Duncan, S.R. (2016) Discrete-time anti-windup compensation for synchrotron electron beam controllers with rate constrained actuators, Automatica, 67, pp. 224-232.
4. Bizeray, A.M., Zhao, S., Duncan, S.R. and Howey, D.A. (2015) Lithium-ion battery thermal-electrochemical model based estimation using orthogonal collocation and a modified extended Kalman filter, Journal of Power Sources, 296, pp. 400-412.
5. Drummond, R., Howey, D.A. and Duncan, S.R. (2015) Low-order mathematical modelling of electric double layer supercapacitors using spectral methods, Journal of Power Sources, 277, pp. 317-328.
6. Gayadeen, S. and Duncan, S.R. (2014) Design of an electron beam stabilisation controller for a synchrotron, Control Engineering Practice, 26, pp. 201-210.
7. Polyblank, J.A., Allwood, J.M. and Duncan, S.R. (2014) Closed-loop control of product properties in metal forming: a review and prospectus, Journal of Materials Processing Technology, 214, no. 11, pp. 2333-2348.
8. Zhao, S. and Duncan, S.R. (2014) On the accuracy of the calculation of transient energy growth in plane Poiseuille flow, International Journal for Numerical Methods in Fluids, 74, no. 12, pp. 857-871.
9. Chu, B., Duncan, S.R., Papachristodoulou, A.P. and Hepburn, C. (2013) Analysis and control design of sustainable policies for greenhouse gas emissions, Applied Thermal Engineering, 53, no. 2, pp. 420-431.
10. Duncan, S.R., Hepburn, C. and Papachristodoulou, A.P. (2011) Optimal harvesting of fish stocks under a time-varying discount rate, Journal of Theoretical Biology, 269, no. 1, pp. 166-173.
11. Hepburn, C., Duncan, S.R. and Papachristodoulou, A.P. (2010) Behavioural economics, hyperbolic discounting and environmental policy, Environmental and Resource Economics, 46, no. 2, pp. 189-206.
12. Taylor, A.R. and Duncan, S.R. (2010) Detecting mis-mapping in cross-directional control systems. IEEE Transactions on Control Systems Technology, 18, no. 4, pp. 962-968.
13. Villegas, J.A., Duncan, S.R., Wang, H.G., Yang, W.Q. and Raghavan, R.S. (2010) Optimal operating conditions for a batch fluidized bed dryer. IET Proceedings on Control Theory and Applications, 4, no. 2, 294-302.
14. Allwood, J.M, Music, O., Raithatha, A.M. and Duncan, S.R. (2009) Closed-loop feedback control of product properties in flexible metal forming processes with mobile tools. CIRP Annals Manufacturing Technology, 58, no. 1, pp. 287-290.
15. Villegas, J.A., Duncan, S.R., Wang, H.G., Yang, W.Q. and Raghavan, R.S. (2009) Distributed parameter control of a batch fluidised bed dryer. Control Engineering Practice, 17, no. 9, pp. 1096-1106.
16. Raithatha, A.M. and Duncan, S.R. (2009) Rigid plastic model of incremental sheet deformation using second order cone programming. International Journal for Numerical Methods in Engineering, 78, no. 8, pp. 955-979.
17. Li, M. and Duncan, S.R. (2008) Model-based nonlinear control of batch fluidised bed dryers. Particle and Particle Systems Characterization, 25, pp. 345-359.
18. Li, M. and Duncan, S.R. (2008) Dynamic model analysis of batch fluidised bed dryers. Particle and Particle Systems Characterization, 25, pp. 328-344.
19. Wang, H.G., Yang, W.Q., Senior, P., Raghavan, R.S. and Duncan S.R. (2008) Investigation of batch fluidized-bed drying by mathematical modeling, CFD simulation and ECT measurement. AIChE Journal, 54, no. 2, pp. 427-444.
20. Jones, P.D.A., Duncan, S.R., Rayment, T. and Grant, P.S. (2007) Optimal robot path for minimising thermal variations in a spray deposition process. IEEE Transactions on Control Systems Technology, 15, no. 1, pp. 1-11.
21. Grant, P.S., Duncan, S.R., Roche, A. and Johnson, C. (2006) The scientific, technological and economic aspects of rapid tooling by electric arc spray forming, Journal of Thermal Spray Technology, 15, no. 4, pp. 796-801.
22. Tsachouridis, V.A., Jones, P.D.A. and Duncan, S.R. (2006) Control of a sprayform tooling process in rapid manufacture. Transactions of the Institute of Measurement and Control, 28, pp. 309-322.
23. Tsachouridis, V.A., Jones, P.D.A., Duncan, S.R. and Grant, P.S. (2006) Applied periodic l control: presenting prototype designs for a real sprayforming process. Control Engineering Practice, 14, pp. 1477-1493.
24. Ruuskanen, A.R., Seppanen, A., Duncan, S.R., Somersalo, E. and Kaipio, J.P. (2006) Using process tomography as a sensor for optimal control. Applied Numerical Mathematics, 56, pp. 37-54.
25. Malinen, M., Duncan, S.R., Huttunen, T. and Kaipio, J.P. (2006) Feedforward and feedback control of ultrasound surgery. Applied Numerical Mathematics, 56, pp. 55-79.
26. Duncan, S.R., Jones, P.D.A. and Wellstead, P.E. (2005) A frequency-domain approach to to determining the path separation for spray coating. IEEE Transactions on Automation Science and Engineering, 2, no. 3, pp. 233-239.
27. Taylor, A.R., Shepherd, D. and Duncan, S.R. (2005) The structure of the Australian growth process: A Bayesian model selection view of Markov switching. Economic Modelling, 22, pp. 628-645.
28. Duncan, S.R., Scott, S. and Duncan, C.J. (2005) Reappraisal of the historical selective pressures for the CCR5-32 mutation. Journal of Medical Genetics, 42, pp. 205-208.
29. Duncan, S.R. and Wellstead, P.E. (2004) Processing data from scanning gauges on industrial web processes. Automatica, 40, pp. 431-437.
30. Skelton, J.C., Wellstead, P.E. and Duncan, S.R. (2003) Distortion of profile measurements by scanning gauges: a new approach to profile reconstruction. Pulp and Paper Canada, 104, no.12, pp. 81-84.
31. Jones, P.D.A., Duncan, S.R., Rayment, T. and Grant, P.S. (2003) Control of temperature for a spray deposition process. IEEE Transactions on Control Systems Technology, 11, no. 5, pp. 656-667.
32. Taylor, A.R. and Duncan, S.R. (2003) Case studies in Bayesian segmentation applied to cross-directional control. International Journal of Adaptive Control and Signal Processing, 17, pp. 363-392.
33. Pathirana, P., Duncan, S.R. and Jones, P.D.A. (2003) Control of average temperature in a spray deposition process. SME Technical Paper, MF03-238.
34. Cottee, C.J. and Duncan, S.R. (2003) Design of matching circuit controllers for radio-frequency heating. IEEE Transactions on Control Systems Technology, 11, no. 1, pp. 91-100.
35. Clifford, M.L. and Duncan, S.R. (2002) Benefits of continuous monitoring of mapping for CD control systems. Pulp and Paper Canada, 103, no. 8, pp. 48-51.
36. Duncan, S.R. (2001) Two-dimensional control systems: learning from implementations. Journal of Electronic Imaging, 10, no. 3, pp. 619-626.
37. Duncan, S.R., Duncan, C.J. and Scott, S. (2001) Human population dynamics. Annals of Human Biology, 28, no. 6, pp. 599-615.
38. Duncan, S.R., Allwood, J.M., Heath, W.P. and Corscadden, K.W. (2000) Dynamic modelling of cross-directional actuators: implications for control. IEEE Transactions on Control Systems Technology, 8, no. 3, pp. 667-675.
39. Corscadden, K.W. and Duncan, S.R. (2000) Multivariable disturbance modelling for web processes. International Journal of Systems Science, 31, no. 1, pp. 97-106.
40. Wellstead, P.E., Zarrop, M.B. and Duncan, S.R. (2000) Signal processing and control paradigms for industrial web and sheet manufacturing. International Journal of Adaptive Control and Signal Processing, 14, pp. 51-76.
41. Duncan, S.R., Scott, S. and Duncan, C.J. (2000) Modelling the dynamics of scarlet fever epidemics in the 19th century. European Journal of Epidemics, 16, pp. 619-626.

Refereed Papers presented at Major Conferences

Arthington, M.A., Barnes, P.M. and Duncan, S.R. (2016) Non-contact force measurement for current collection in a 25kV overhead line electrified railway, Proc 7th IET Railway Condition Monitoring Conf., Birmingham, UK, accepted.

Drummond, R., Valmorbida, G. and Duncan, S.R. (2106) Lyapunov analysis of nonlinear systems with polynomial vector field and Jacobian, Proc. UKACC Int. Conf. on Control, Belfast, UK, pp. ID82.

Chen, X. and Duncan, S.R. (2016) Automatic detection of tap changes on an electricity grid, Proc. UKACC Int. Conf. on Control, Belfast, UK, pp. ID94.

Arthington, M.R., Cleaver, C., Huang, J. and Duncan, S.R. (2016) Curvature control in radial-axial ring rolling, Proc. IFAC Symposium on Control, Optimization and Automation in Mining, Mineral and Metal Processing, Vienna, Austria, pp. 270-275.

Valmorbida, G., Drummond, R. and Duncan, S.R. (2016) Positivity conditions of Lyapunov functions for systems with slope restricted nonlinearities, Proc. American Control Conf., Boston, MA, pp. 258-263.

Drummond, R., Howey, D. A. and Duncan, S.R. (2106) Parameter Estimation of an Electrochemical Supercapacitor Model, Proc. European Control Conf., Aalborg, Denmark, pp. 1-6.

Riar, B., Lee, J., Tosi, A., Duncan, S.R., Osborne, M. and Howey, D.A. (2016) Energy management of a microgrid: Compensating for the difference between the real and predicted output power of photovoltaics, Proc. 7th IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Vancouver, BC.

Drummond, R. and Duncan, S.R. (2105) A Lyapunov function for a PDE model of a supercapacitor, Proc. 54th IEEE Conf. on Decision and Control, Osaka, Japan, pp. 664-669.

Zhao, S., Bizeray, A. M., Duncan, S.R. and Howey, D.A, (2105) Performance evaluation of the EKF for state estimation of a Lithium-ion battery physics-based model, Proc. ASME 2015 Dynamic Systems and Control Conf., Columbus, OH, pp. DSCC2015-9836.

Bizeray, A.M., Duncan, S. R., and Howey, D. A. (2015) Li-Ion Battery State Estimation Using a Pseudo Two-Dimensional Electrochemical Model-Based Extended Kalman Filter with Temperature and Degradation Effects. Proc 227th Electrochemical Society (ECS) Meeting, Chicago, USA.

Drummond, R. and Duncan, S.R. (2105) On observer performance for an electrochemical supercapacitor model, Proc. IEEE Multi-Conference on Systems and Control (MSC), Sydney, Australia, pp. 1260-1265.

Arthington, M.R., Cleaver, C., Allwood, J.M. and Duncan, S.R. (2015) Measurement and control of variable geometry during ring rolling, Proc. IEEE Multi-Conference on Systems and Control (MSC), Sydney, Australia, pp. 1448-1454.

Bizeray, A. M., Duncan, S.R., Kim, S. and Howey, D.A. (2014) Electrochemical model-based state estimation of Lithium-ion batteries using a modified extended Kalman filter, Proc 11th Symposium for Fuel Cell and Battery Modelling and Experimental Validation (ModVal 11), Winterthur, Switzerland.

Zhao, S. and Duncan, S.R. (2014) Energy amplification of Poiseuille flow in a pipe lined with riblets, Proc. UKACC Int. Conf. on Control, Loughborough, UK, pp. 232-237.

Arthington, M.R., Cleaver, C., Allwood, J.M. and Duncan, S.R. (2014) Real-time measurement of ring-rolling geometry using low-cost hardware, Proc. UKACC Int. Conf. on Control, Loughborough, UK, pp. 603-608.

Zhao, S. and Duncan, S.R. (2014) Energy amplification of streamwise constant channel flow over riblets, Proc. 19th IFAC World Congress on Automatic Control, Cape Town, South Africa, pp. 857-862.

Bizeray, A.M., Duncan, S.R. and Howey, D.A. (2013) Advanced battery management systems using fast electrochemical modelling, Proc. 4th Hybrid and Electric Vehicles Conf., London, UK, pp. 2.2.

Gayadeen, S., Duncan, S.R. and Heron, M.T. (2013) Fast orbit feedback control in mode space, Proc. 14th Int. Conf. on Accelerator and Large Experimental Physics Control Systems, San Francisco, CA, THPPC131.

Gayadeen, S. and Duncan, S.R. (2013) Anti-windup compensation for electron beam stabilisation control systems on synchrotrons with rate constrained actuators, Proc. European Control Conf., Zurich, Switzerland, pp. 2752-2757.

Zhao, S. and Duncan, S.R. (2013) Passivity of plane Poiseuille flow, Proc. European Control Conf., Zurich, Switzerland, pp. 1077-1082.

Gayadeen, S. Duncan, S.R. and Heath, W.P. (2013) Design of multi-array controllers for synchrotrons, Proc. American Control Conf., Washington, DC, pp. MoB12.1.

Gayadeen, S. and Duncan, S.R. (2012) Robust stability analysis of the Diamond Light source synchrotron, Proc. 51st IEEE Conf. on Decision and Control, Maui, HI, pp. 931-936.

Chu, B., Duncan, S.R., Papachristodoulou, A.P. and Hepburn C. (2012) Using economic Model Predictive Control to design sustainable policies for mitigating climate change, Proc. 51st IEEE Conf. on Decision and Control, Maui, HI, pp. 406-411.

Kasliwal, A., Duncan, S.R. and Papachristodoulou, A.P. (2012) Modelling channel flow over riblets: Calculating the energy amplification, Proc. UKACC Int. Conf. on Control, Cardiff, UK, pp. 625-630.

Chu, B., Duncan, S.R. and Papachristodoulou, A.P. (2011) A structured model reduction method for large scale networks, Proc. 50th IEEE Conf. on Decision and Control, Orlando, FL, pp. 7782-7787.

Chu, B., Duncan, S.R., Papachristodoulou, A.P. and Hepburn, C. (2011) Analysis and control design of sustainable policies for greenhouse gas emissions. Proc. Int. Conf. on Sustainable Thermal Energy Management (SusTEM 2011), Newcastle upon Tyne, UK, pp. 352-361.

Gayadeen, S., Duncan, S.R., Christou, C., Heron, M. and Rowland, J. (2011) Diamond Light Source booster fast orbit feedback system, Proc. 13th Int. Conf. on Accelerator and Large Experimental Physics Control Systems, Grenoble, France, pp. MOPKS001.

Duncan, S.R. and Papachristodoulou, A.P. (2011) Energy amplification in channel flow over riblets. Proc. IEEE Conference on Control Applications, Denver, CO, pp. 456-461.

Napier, A., Gayadeen, S. and Duncan, S.R. (2011) Fast orbit beam stabilization for a synchrotron. Proc. IEEE Conference on Control Applications, Denver, CO, pp. 1094-1099.

Wang, H. and Duncan, S.R. (2011) Constrained model predictive control of an incremental sheet forming process. Proc. IEEE Conference on Control Applications, Denver, CO, pp. 1288-1293.

Chu, B., Duncan, S.R. and Papachristodoulou, A.P. (2011) A model for using control theory to design sustainable policies for greenhouse gas emissions. Proc. IEEE Conference on Control Applications, Denver, CO, pp. 748-753.

Wang, H. and Duncan, S.R. (2011) Optimization of tool path trajectory for incremental sheet forming using closed loop control. Proc. 7th IEEE Int. Conf. on Automation Science and Engineering, Trieste, Italy, pp. 779-784.

Duncan, S.R. (2010) Using the spectrum of the disturbances to choose the path of scanning gauges used in cross-directional control systems, Proc. Control Systems 2010 Conf., Stockholm, pp. 155-160.

Duncan, S.R. and Heath, W.P. (2010) The robustness of multi-array cross-directional control systems, Proc. Control Systems 2010 Conf., Stockholm, Sweden, pp. 180-185.

Wang, H. and Duncan, S.R. (2010) Model predictive based incremental sheet forming toolpath optimisation. Proc. UKACC Int. Conf. on Control, Coventry, UK, pp. 1172-1177.

Raithatha, A.M. and Duncan, S.R. (2008) Deformation model for incremental sheet forming using conic programming. Proc. NUMISHEET 2008 Conf., Interlaken, Switzerland, pp. 749-754.

Villegas, J.A., Duncan, S.R., Wang, H., Yang, W. and Raghavan, R.S. (2008) Modeling and control of a fluidized bed dryer. Proc. UKACC Int. Conf. on Control, Manchester, UK, pp. We03.01.

Duncan, S.R., Heath, W.P. and Taylor, A.R. (2008) A new approach to multi-array cross-directional control. Proc. PAPTAC Control Systems 2008 Conf., Vancouver, BC, Canada, pp. 69-74.

Duncan, S.R. (2008) The design of a beam stabilization system for synchrotron: a novel application of cross-directional control. Proc. PAPTAC Control Systems 2008 Conf., Vancouver, BC, Canada, pp. 45-50.

Villegas, J.A., Li, M., Duncan, S.R., Wang, H., Yang, W. (2008) Modeling and control of moisture content in a batch fluidized bed dryer using a tomographic sensor, Proc. American Control Conf., Seattle, WA, pp. 3350-3355.

Raithatha, A.M. and Duncan, S.R. (2008) An improved finite element model of incremental forming using conic programming, Proc. American Control Conf., Seattle, WA, pp. 5109-5114.

Rowland, J., Abbott, M.G., Dobbing, J.A., Duncan, S.R., Heron, M.T., Martin, I., Rehm, G. and Uzun, I. (2007) Status of the Diamond fast orbit feedback system. Proc. Int. Conf. on Accelerator and Large Experimental Physics Control Systems, Knoxville, TN.

Villegas, J.A., Li, M., Duncan, S.R., Wang, H. and Yang, W.Q. (2007) Feedback control of moisture in a batch fluidised bed dryer using a tomographic sensor. Proc 5th Int. World Congress on Industrial Process Tomography, Bergen, Norway, pp. 405-413.

Raghavan, R.S., Senior, P., Wang, H., Yang, W.Q. and Duncan, S.R. (2007) Modelling, measurement and analysis of fluidised bed dryer using an ECT sensor. Proc 5th Int. World Congress on Industrial Process Tomography, Bergen, Norway, pp. 334-341.

Raithatha, A.M, Jackson, K.P., Duncan, S.R. and Allwood, J.M. (2007) Second order cone programming in modeling incremental deformation. Proc. American Control Conf., New York, NY, pp. 4841-4846.

Duncan, S.R. and Taylor A.R. (2007) Using signals from two gauges to estimate MD variations for CD control systems. Proc. American Control Conf., New York, NY, pp. 1341-1346.

van der Hoeven, S.W., Duncan, S.R., Farmery, A. and Hahn, C. (2007) Internal model control of inhaled anaesthesia. Proc. American Control Conf., New York, NY, pp. 582-587.

Li, M. and Duncan, S.R. (2006) Model-based nonlinear control of batch fluidized bed dryers. Proc. Control of Particulate Processes VII Conf., Harrison Hot Springs, BC, Canada.

van der Hoeven, S.W., Duncan, S.R., Farmery, A. and Hahn, C. (2006) Modeling and control of gas flow in anesthesia. Proc. IEEE Conf. on Control Applications, Munich, Germany, pp. 277-284.

Raithatha, A.M, Jackson, K.P., Duncan, S.R. and Allwood, J.M. (2006) New method for modeling plastic deformation in incremental sheet forming. Proc. IEEE Conf. on Control Applications, Munich, Germany, pp. 1037-1042.

Duncan, S.R. and Gyöngy, M. (2006) Using the EM algorithm to estimate the disease parameters for smallpox in 17th Century London. Proc. IEEE Conf. on Control Applications, Munich, Germany, pp. 3312-3317.

Li, M. and Duncan, S.R. (2006) Dynamic modelling for control of batch fluidized bed dryers. Proc. UKACC Int. Conf. on Control, Glasgow, UK, pp. 163.

van der Hoeven, S.W., Duncan, S.R., Farmery, A. and Hahn, C. (2006) Modelling of an anaesthetic circle system. Proc. UKACC Int. Control Conf. 2006, Glasgow, UK, pp. 108.

Taylor, A.R. and Duncan, S.R. (2006) Bayesian methods for system identification in cross-directional control. Proc. Control Systems 2006 Conf., Tampere, Finland, pp. 191-196.

Taylor, A.R. and Duncan, S.R. (2006) Actuator mapping and stability in real-life cross-directional control systems. Proc. Control Systems 2006 Conf., Tampere, Finland, pp. 197-202.

Grant, P.S., Duncan, S.R., Roche, A. and Johnson, C. (2006) The scientific, technological and economic aspects of rapid tooling by electric arc spray forming. Proc. International Thermal Spray Conf., Seattle, WA.

Davis, E.S, Duncan, S.R. and Grant, P.S. (2006) Modeling and validation of substrate heat transfer coefficient distribution in vacuum plasma spraying. Proc. International Thermal Spray Conf., Seattle, WA.

Duncan, S.R. (2005) Controlling spatially invariant systems using finite arrays of actuators and sensors. Proc. 44th IEEE Conf. on Decision and Control and European Control Conf. ECC ’05, Seville, Spain, pp. 5941-5946.

Wellstead, P.E., Mason, O., O’Connor, W.T., Cho, K.-H., Bullinger, E., Wolkenhauer, O. and Duncan, S.R. (2005) Towards an understanding of the cerebral motor circuit, Proc. Foundations of Systems Biology in Engineering Conf., Santa Barbara, CA. Taylor, A.R. and Duncan, S.R. (2005) Bayesian vector autoregression methods for multivariate control loop performance assessment in cross-directional control, Proc. 16th IFAC World Congress on Automatic Control, Prague, Czech Republic, Tu-A02-TO/3. Davis, E.S., Duncan, S.R. and Grant, P.S. (2005) Modelling for thermal control of vacuum plasma spraying, Proc. 16th IFAC World Congress on Automatic Control, Prague, Czech Republic, Tu-A03-TP/14. Duncan, S.R. (2005) Estimating the disease parameters for smallpox in London over the period 1708 to 1748, Proc. 16th IFAC World Congress on Automatic Control, Prague, Czech Republic, Th-E02-TP/7. Ruuskanen, A., Sepannen, A., Duncan, S.R., Somersalo, E. and Kaipio, J.P. (2004) Using tomographic measurements in process control. Proc. 43rd IEEE Conf. on Decision and Control, Paradise Island, The Bahamas, pp. 4696-4701. Pathirana, P.N., Duncan, S.R. and Jones, P.D.A. (2004) Robust control applied to metal spraying for rapid tooling. Proc. 5th Asian Control Conf., Melbourne, Australia, pp. 309-316. Duncan, S.R., Jones, P.D.A. and Wellstead, P.A. (2004) Robot path planning for spray coating: A frequency domain approach, Proc. American Control Conf., Boston, MA, pp. 4643-4648. Taylor, A.R. and Duncan, S.R. (2004) Detecting step changes in the performance of cross-directional control systems, Proc. Control Systems 2004 Conf., Quebec City, QC, Canada, pp. 129-134. Taylor, A.R. and Duncan, S.R. (2004) Multivariate control loop performance assessment for cross-directional control, Proc. Control Systems 2004 Conf., Quebec City, QC, Canada, pp. 135-140. Ruuskanen, A., Sepannen, A., Duncan, S.R., Somersalo, E. and Kaipio, J.P. (2003) Optimal control in process tomography. Proc. 3rd World Congress on Industrial Process Tomography, Banff, Canada, pp. 245-251. Jones, P.D.A. and Duncan, S.R. (2003) Signal processing of thermal images of temperature profiles during sprayforming. Proc. 2nd International Conf. on Spray Deposition and Melt Atomisation, Bremen, Germany, pp. 7.77-7.84. Tsachouridis, V., Jones, P.D.A. and Duncan, S.R. (2003) The design of control systems for the srayform tooling process. Proc. 2nd International Conf. on Spray Deposition and Melt Atomisation, Bremen, Germany, 7.31-7.44. Pathirana, P., Duncan, S.R. and Jones, P.D.A. (2002) Control of average temperature in a spray deposition process. Proc. IEEE Conf. on Control Applications, Glasgow, UK, pp. 1004-1009. Duncan, S.R. and Grant, P.S. (2002) The sprayform tooling process. Proc. 6th International Tooling Conference, Karlstad, Sweden. Jones, P.D.A., Pathirana, P. and Duncan, S.R. (2002) Observer design for the control of the sprayforming of tooling. Proc. 15th IFAC World Congress on Automatic Control, Barcelona, Spain, pp. 350. Duncan, S.R. (2002) Regulating concentration profile in fluid flow using process tomography. Proc. 15th IFAC World Congress on Automatic Control, Barcelona, Spain, pp. 1283. Taylor, A.R. and Duncan, S.R. (2002) A comparison of techniques for monitoring process faults. Proc. Control Systems 2002 Conf., Stockholm, Sweden, pp. 323-327. Jones, P.D.A. and Duncan, S.R. (2001) Estimating the surface temperature profile from a sequence of partial thermal images. Proc. SPIE: Sensor Fusion and Decentralized Control in Robotic Systems IV, 4571, Newton, MA, pp. 199-207. Duncan, S.R. and Wellstead, P.E. (2001) Signal processing for data from scanning gauges on industrial sheet processes. Proc. European Control Conf., Oporto, Portugal, pp. 1322-1326. Duncan, S.R. (2001) Using process tomography as a sensor in a system for controlling concentration in fluid flow. Proc. 2nd World Congress on Industrial Process Tomography, Hannover, Germany, pp. 378-386. Duncan, S.R. (2000) Two-dimensional control systems: learning from implementations. Proc. SPIE: Process Imaging for Automatic Control, 4188, Boston, MA, pp. 57-68. Duncan, S.R. and Wellstead, P.E. (2000) Processing data from scanning gauges: 2-D reconstruction. Proc. SPIE: Process Imaging for Automatic Control, 4188, Boston, MA, pp. 38-44. Duncan, S.R. and Wellstead, P.E. (2000) Reconstructing 2-D variations from scanned measurements. Proc. UKACC Control 2000 Conf., Cambridge, UK, pp. 212. Duncan, S.R, Dumont, G.A. and Gorinevsky, D.M. (2000) A method for monitoring the performance of cross-directional control systems. Proc. Process Control and Instrumentation 2000 Conf., Glasgow, U.K., pp. 247-252. Duncan, S.R, Dumont, G.A. and Gorinevsky, D.M. (2000) Performance monitoring for cross-directional control systems. Proc. Control Systems 2000 Conf., Victoria, BC, Canada, pp. 173-178. Clifford, M.L. and Duncan, S.R. (2000) Benefits of continuous monitoring of mapping for CD control systems. Proc. Control Systems 2000 Conf., Victoria, BC, Canada, pp. 347-350. Skelton, J.C., Wellstead, P.E. and Duncan, S.R. (2000) Distortion of profile measurements by scanning gauges: a new approach to profile reconstruction. Proc. Control Systems 2000 Conf., Victoria, BC, Canada, pp. 311-314. Chapters in Books Duncan, S.R., Kaipio, J.P., Ruuskanen, A., Malinen, M. and Sepannen, A. (2005) Control Systems. Chapter 7 in Process Imaging for Automatic Control, Scott, D. and McCann, H. (eds.), CRC Press, Boca Raton, FL. Kaipio, J.P., Duncan, S.R., Seppanen, A., Sommersalo, E. and Voutilainen, A. (2005) State Estimation. Chapter 6 in Process Imaging for Automatic Control, Scott, D. and McCann, H. (eds.), CRC Press, Boca Raton, FL. Patents Jones, P.D.A., Duncan, S.R. and Daniel, R. (2003) Estimating the surface temperature profile from a sequence of partial thermal images. International Patent Publication PCT/WO03/002960A1. Jones, P.D.A., Duncan, S.R., Rayment, T. and Grant, P.S. (2002) Spray deposition path plan derivation. International Patent Publication PCT/WO02/070773A1. Duncan, S.R. and Grant, P.S. (2002) Control of deposition and other processes. International Patent Publication PCT/WO02/36845A1. Editorials and Other Articles Grant, P.S. and Duncan, S.R. (2005) Spray-on Steel. Ingenia, 25, pp. 29-31. Duncan, S.R. (2003) Recent advances in paper making control. Transactions of the Institute of Measurement and Control, 25, no. 1, pp. 1-2. Duncan, S.R. (2002) Cross-directional control. IEE Proceedings on Control Theory and Applications, 149, no. 5, 412-413. Duncan, S.R. (2000) Rapid tooling comes of age. Assembly Automation, 20, no. 4, pp. 271-272.