Wlodek Tych: Published papers (last updated Dec 2009)

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Tych W., Sadeghi J. , Smith P.J., Chotai A., Taylor C.J. (2009) Multi-State-Dependent parameter model identification and estimation, International Workshop on Systems Identification, Environmental Modelling and Control, RMIT Melbourne (Dec. 2009), to be published as a book chapter (Springer) in 2011

Chappell N.A., Discenza A. R., Tych W., Whittaker J., Bidin K. (2009) Simulating hourly rainfall occurrence within an equatorial rainforest, Borneo Island, Hydrological Sciences–Journal–des Sciences Hydrologiques, 54(3)   *

Smith, P.J., Hughes, D., Beven K.J., Cross P., Tych W., Coulson G., Blair G., (2009) Provision of site specific flood warnings using wireless sensor networks, Meteorol. Appl. 16: 57–64  also published in: Samuels, P. and Huntingdon, S. and Allsop, W. and Harrop, J., (eds.) Flood risk management : research and practice. CRC Press, London. ISBN 9780415485074

S. Becker, C. J. Halsall, W. Tych, R. Kallenborn, M. Schlabach, and S. Manø, (2009), Changing sources and environmental factors reduce the rates of decline of organochlorine pesticides in the Arctic Atmosphere, Atmos. Chem. Phys. Discuss., 9, 515–540   *

Sochaczewski, L; Davison, W; Tych, W; Zhang, H, (2009), Understanding small-scale features in DGT measurements in sediments, Environmental Chemistry,  6(6) 477–485    

Hughes D., Daude M., Coulson G., Blair G., Beven K., Smith P., Tych W., (2008) Managing Heterogeneous Data Flows in Wireless Sensor Networks Using a ‘Split Personality’ Mote Platform, in the proceedings of the 2nd International Workshop on SensorWebs, Databases and Mining in Networked Sensing Systems (SWDMNSS 2008), Turku, Finland, July 2008.

Smith P., Beven K., Tych W., Hughes D., Blair G., (2008) The Provision of Site Specific Flood Warnings Using Wireless Sensor Networks., in the proceedings of the European Conference on Flood Risk Management (FloodRisk’08), Oxford, UK, September 2008.

Sochaczewski, L; Stockdale, A; Davison, W; Tych, W; Zhang, H, (2008), A three-dimensional reactive transport model for sediments, incorporating microniches, Environmental Chemistry,  5 (3):218-225

Becker, S; Halsall, CJ; Tych, W; Kallenborn, R; Su, Y; Hung, H (2008), Long-term trends in atmospheric concentrations of alpha- and gamma-HCH in the Arctic provide insight into the effects of legislation and climatic fluctuations on contaminant levels, Atmospheric Environment, 42 (35):8225-8233 2008  *

N.J. Lehto, Ł. Sochaczewski, W. Davison, W. Tych, H. Zhang, (2008) Quantitative assessment of soil parameter (KD and TC) estimation using DGT measurements and the 2D DIFS model, Chemosphere, Volume 71, Issue 4, March 2008, Pages 795-801

Solera-Garcia M.A., Chappell N, Tych W. (2007), Identification of Diurnal, Seasonal and Inter-Annual Variability Across SE Asian Field Observations of key Water Cycle Variables: Rainfall, net Radiation, Total Evaporation and River Discharge, AGU, 88(52)

Chappell N.A.C, Tych W., Bonnell M., 2007, Development of the forSIM model to quantify positive and negative hydrological impacts of tropical reforestation, Forest Ecology and Management, Volume 251, Issues 1-2, 30 October 2007, Pages 52-64

Łukasz Sochaczewski, Włodek Tych, Bill Davison, Hao Zhang, 2007, 2D DGT induced fluxes in sediments and soils (2D DIFS), Environmental Modelling & Software,  22, 1, 14-23

C.James Taylor, Diego J. Pedregal, Peter C. Young, Wlodek Tych: (2007) Environmental time series analysis and forecasting with the Captain toolbox. Environmental Modelling and Software 22(6): 797-814 (10/5 per year)

Becker S.; Halsall C. J.; Tych W.; H. Hung; S. Attwell; P. Blanchard; H. Li; P. Fellin; G. Stern; B. Billleck, (2006) Resolving the long-term trends of PAHs in the Canadian Arctic Atmosphere, Environmental Science and Technology (5)

Taylor CJ, Sidiropoulou E, Shaban, EM, Tych W, Chotai A (2006) Linear, nonlinear and classical control of a 1/5th scale automated excavator. In: Proceedings of the 18th international conference on systems engineering (ICSE-06).

Solera-Garcia MA, Chappell NA, Tych W (2006),  Identification of the distribution of hydroclimatic cycles of field observations in Southeast Asia  in: Climate Variability and Change: Hydrological Impacts, ed: Demuth S., IAHS, 2006 ISBN 1901502783, 9781901502787

Lehto, NJ; Davison, W; Zhang, H; Tych, W (2006), Theoretical comparison of how soil processes affect uptake of metals by diffusive gradients in thin films and plants, Journal of Environmental Quality, 35 (5): 1903-1913 (6)

Solera-Garcia, MA ;  Chappell, NA ,  Tych, W (2006), Identification of the distribution of hydroclimatic cycles of field observations in Southeast Asia, in: Demuth, S; Gustard, A; Planos, E; Scatena, F; Servat, E (eds): Climate Variability and Change - Hydrological Impacts, 308: 356-361 2006

Lehto N., Davison W., Zhang H., Tych W., (2006) Analysis of trace metal behaviour in the rhizosphere using a DGT Parameterised Plant Uptake Model (DPPUM). Plant and Soil, 282, 1-2, 227-238 (5)

N.J. Lehto, W. Davison, H. Zhang and W. Tych, (2006) Theoretical comparison of how soil processes affect uptake of metals by DGT and plants, Journal of Environmental Quality

S. Becker; C. J. Halsall; W. Tych; H. Hung; S. Attwell; P. Blanchard; H. Li; P. Fellin; G. Stern; B. Billleck, (2006) Resolving the long-term trends of PAHs in the Canadian Arctic Atmosphere, Environmental Science and Technology

Tych, W., Fildes R., Hibon M., 2006, Method selection: advantages and limitations, Proceedings of International Symposium on Forecasting, Santander, Spain

Chappell, N.A., Tych, W., Chotai, A., Bidin, K. Sinun, W. and Thang H.C. (2005). BARUMODEL: Combined Data Based Mechanistic models of runoff response in a managed rainforest catchment. Forest Ecology and Management

Carling, P.A., Tych, W. and Richardson, K. 2005. The hydraulic scaling of step-pool systems. pp 55-63 in G. Parker and M.H. Garcia (eds) River, Coastal and Estuarine Morphodynamics. Vol 1.Balkema, Taylor and Francis, NY, ISBN: 0 415 39375 2

Boochabun, K., Tych, W., Chappell, N.A., Carling P.A., Lorsirirat K., and Pa-Obsaeng, S. (2004). Statistical modelling of rainfall and river flow in Thailand. Journal of the Geological Society of India, 64, 503-515.

Chappell N.A., Tych, W., Yusop, Z. N.A. Rahim, and Kasran, B. 2004. Spatially-significant effects of selective tropical forestry on water, nutrient and sediment flows: a modelling-supported review. In Forests, Water and People in the Humid Tropics, Bonell M. and Bruijnzeel, L.A. (Eds), Cambridge University Press, Cambridge. p 513-532.

Chappell, N.A., Douglas, I., Hanapi, J.M., and Tych, W. (2004) Source of suspended-sediment within a tropical catchment recovering from selective logging. Hydrological Processes, 18, 685-701

Tych, W. and Chappell, N.A. 2003. New modelling techniques in the analysis of tropical climate data. Presented at the Conference on Monsoon Environments: Agricultural and Hydrological Impacts of Seasonal Variability and Climate Change, ICTP, Trieste, 24-28 March 2003.

Chappell, N.A. and Tych, W. 2003. Identification of land-use change impacts on tropical hydrological processes. Presented at the Conference on Monsoon Environments: Agricultural and Hydrological Impacts of Seasonal Variability and Climate Change, ICTP, Trieste, 24-28 March 2003.

Tych W., Pedregal D. J., Young P.C., Davies J. (2002) Multi-Rate Forecasting of Telephone Call Demand: A Software Package for Unobserved Components Modelling and Forecasting, International Journal of Forecasting, 18, 673-695

Kerstiens G., Tych W., Robinson M.F., Mansfield T.A., (2002) Sodium-related partial stomatal closure and salt tolerance of Aster Tripolium, New Phytologist,

Buchaboon, K., Tych, W., Chappell, N.A., Carling P., Statistical modelling for rainfall and river flow in Thailand, Fifth International Meeting on Global Continental Palaeohydrology Palaeohydrology and Monsoons, Dec. 2002, Pune, India.

Chappell, N.A., Tych W., 2002, Climate Cycle and Land Use Sensitivity of Tropical Hydrological Systems: A Precursor to GCM Land-use Change Simulations UGAMP Conference, Cambridge 2002.

Fildes R., Tych W., Hibon M., The benefits of model choice, International Symposium on Forecasting, Dublin, June 2002

Peters N.E. (USGS), Tych, W., 2002, Relations between a multivariate ENSO index and atmospheric deposition near Atlanta, Georgia, 1986-2002, NADP Meeting, Seattle, Sept. 2002.

Kerstiens G., Tych W., Robinson M.F., Mansfield T.A., Sodium-related partial stomatal closure and salt tolerance of Aster Tripolium, New Phytologist Conference, Birmingham, July 2001

Chappell, N., Bidin, K., Tych, W., (2001) Temporal and spatial structure in direct and canopy intercepted precipitation in an area of rainforest, Malaysian Borneo, Plant Ecology,153, 1-2, 215-229

Chappell, N.A., Tych, W., and Douglas, I., 2001. Intra-catchment dynamics of water and sediment. Trans., Japanese Geomorphological Union, 22(4), C38.

Chappell, N.A., Bidin, K., and Tych, W. 2001. Modelling rainfall and canopy controls on net-precipitation beneath selectively-logged tropical forest. In Tropical Forest Canopies: Ecology and Management, K.E. Linsenmair, A.J. Davies, B. Fiala, M.R. Speight (eds), Kluwer : Dordrecht (ISBN: 0-7923-7049-X).

Harper_MP, Davison_W, Tych_W (2000), DIFS - a modelling and simulation tool for DGT induced trace metal remobilisation in sediments and soils. Environmental Modelling and Software, Vol.15, No.1, pp.55-66

Harper_MP, Davison_W, Tych_W (1999) Estimation of pore water concentrations from DGT profiles: A modelling approach , Aquatic Geochemistry, Vol.5, No.4, pp.337-355

Harper_MP, Davison_W, Tych_W, (1999) One-dimensional views of three-dimensional sediments , Environmental Science and Technology, Vol.33, No.15, pp.2611-2616

Olsen, P.A., Binley A., Henry-Poulter S., Tych W., (1999) Characterising solute transport in undisturbed soil cores using electrical and X-ray tomographic methods, Hydrological Processes, 13, 211-221

Harper_MP, Davison_W, Tych_W (1999) Estimation of pore water concentrations from DGT profiles: A modelling approach , Aquatic Geochemistry, Vol.5, No.4, pp.337-355

Young, P. C. Pedregal D.J., Tych, W. (1999), Dynamic Harmonic Regression, Journal of Forecasting, 18, 369-394.

Young, P.C.   Tych, W.   Pedregal, D.J. (1998) Stochastic unobserved component models for adaptive signal extraction and forecasting, Neural Networks for Signal Processing VIII, 1998. Proceedings of the 1998 IEEE Signal Processing Society Workshop, pp. 234-243, DOI: 10.1109/NNSP.1998.710653

Young P.C., Chotai A., McKenna P., Tych W. (1998)  Proportional-Integral-Plus (PIP) design of delta operator systems – Part 1. SISO systems, International Journal of Control, 70(1), 123-147

Chotai A., Young P.C., McKenna P., Tych W. (1998) Proportional-Integral-Plus (PIP) design ofr delta operator systems – Part 2, MIMO Systems, International Journal of Control, 70(1), 149-168

Tych, W., Young, P.C., Pedregal, D.J., Davies, J., A software package for multi-rate unobserved component forecasting of telephone call demand, International Symposium on Forecasting, Edinburgh, 1998

Chappell, N., Bidin, K., Tych, W., (1998) Temporal and spatial structure in direct and canopy intercepted precipitation in an area of rainforest, Malaysian Borneo, ESF Conference, St. Anne's College, Oxford, 12-16 Dec. 1998

Harper M,  Davison W., Zhang H., Tych W. (1998) Kinetics of metal exchange between solids and solutions in sediments and soils interpreted from DGT measure fluxes, Geochimica et Cosmochimica Acta, 62(16), 2757-2770

Hamilton-Taylor, J., L. Giusti, W. Davison, W. Tych and C.N. Hewitt. (1997). Sorption of trace metals (Cu, Pb, Zn) by suspended lake particles in artificial (0.005 M NaNO3) and natural (Esthwaite Water) freshwaters. Colloids and Surfaces. A-Physicochemical and Engineering Aspects, 120, 205-219.

Harper M.P., Davison, W., Tych, W. (1997) Temporal, spatial and resolution constraints for porewater sampling devices using diffusional equilibration: dialysis and DET.  Environ. Sci. Tech. 31(11): 3110-3119

Young P., Tych W. (1997) Book Review: Brdys M, Ulanicki W., Management of Water Resources, Automatica

Lees, M.J., Young, P.C., Chotai, A. and Tych, W. (1996) A non-minimal state variable feedback approach to multivariable control of glasshouse climate, accepted for publication in, Transactions of the Institute of Measurement and control, for publication in February 1996.

Lees, M.J, Young, P.C., Tych, W., Chotai, A. and Chalabi, Z.S.(1996) Design and implementation of a Proportional-Integral-Plus (PIP) control system for temperature, humidity and carbon dioxide in a glasshouse, accepted for publication in, Acta Horticulturae, 404.

Tych, W., Young, P.C., Chotai, A. and Jones, L.C. (1996) TDC: Computer aided True Digital Control of multivariable delta operator, accepted for publication in Proceedings of 13th IFAC World Congress., San Francisco 1996.

Lees, M.J, Young, P.C., Tych, W., Chotai, A. and Chalabi, Z.S.(1996) Design and implementation of a Proportional-Integral-Plus (PIP) control system for temperature, humidity and carbon dioxide in a glasshouse, Acta Horticulturae, 404. 1996

Tych, W., Young, P.C., Chotai, A. and Jones, L.C. (1996) TDC: Computer aided True Digital Control of multivariable delta operator, Proceedings of 13th IFAC World Congress, paper No. 5c-01 5, Elsevier, 1996 (ISBN 0-08-042605-0)

Taylor, C.J., P.C. Young, A. Chotai, W. Tych and M.J Lees (1996). The importance of control structure in PIP design, Proceedings of  UKACC Control‘96.pp.1196-1201, (ISBN 0 85296 667)

Bunkov_YM, Cousins_DJ, Enrico_MP, Fisher_SN, Pickett_GR, Shaw_NS, Tych_W  (1996) Texture dependence of the persistent NMR signal in superfluid He-3-B, Czechoslovak Journal of Physics, Vol.46, No.S1, pp.233-234

Zhang, H., Davison, W., Miller, S. and Tych, W. (1995), In situ high resolution measurements of fluxes of Ni, Cu, Fe, and Mn and concentrations of Zn and Cd in porewaters by DGT, Geochimica et Cosmochimica Acta, 59(20), 4181-4192.

Taylor, C.J., P.C. Young, A. Chotai, W. Tych and M.J Lees (1995). The importance of control structure in PIP design, accepted for publication in Control‘96.

Lees, M.J., Young, P.C., Chotai, A. and Tych, W. (1995) A non-minimal state variable feedback approach to multivariable control of glasshouse climate, Transactions of the Institute of Measurement and Control, vol.17, 4, pp. 200-211, ISSN 0142-3312.

Tych, W., Young, P.C., Chotai, A. and Lees, M.J. (1994) Computer Aided Control System Design of PIP controllers for systems described by delta operator and backward shift models, Proc. 10th International Conference on Systems Engineering (ICSE), 1277-1284.

Young, P.C., Parkinson, S., Lees, M.J. and Tych, W. (1994) Combined linearisation and model reduction in climate modelling, presented at the IFAC/ISHS Workshop on Mathematical and Control Applications in Agriculture and Horticulture, and submitted for publication in Acta Horticulturae.

Young, P.C., Lees, M., Chotai, A., Tych, W. and Chalabi, Z.S.(1994) Modelling and PIP control of a glasshouse micro-climate, Control Engineering Practice, 2, Pergamon Press, Oxford, 591-604.

Young, P.C., Chotai, A., and Tych, W. (1993) Identification, estimation and true digital control of glasshouse systems, appears as Chapter in Y. Hashimoto et al. (eds.) The Computerised Greenhouse: Automatic Control Application in Plant Production Academic Press, 3-50 (48 pages).

Young, P.C., Chotai, A., & Tych, W. (1993) Identification, Estimation and True Digital Control of Glasshouse Systems, appears as Chapter in Y. Hashimoto et al. (eds.) The computerized Greenhouse: Automatic Control Application in Plant Production. Academic Press, 3-50. (J)

Tych, W., Young, P.C., & Chotai, A. (1992) True digital CACSD package in matlab/simulab environment, in IEE Colloquium Digest, on Computer aided control systems design, algorithms, packages and environments, Digest No.4/92,pp. 3/1-3/9. (P)

Rodrigues, A.J., Young P.C., Tych W. (1992) Application of Neural Networks to advanced time series model identification, Neural Network World, 2, 6, 753-766

Young, P.C., Chotai, A., & Tych, W. (1991) True Digital Control: A Unified Design Procedure for Linear Sampled Data Systems, appears as Chapter in K.Warwick, M.Karny and A.Halouskova (eds.), Advanced methods in adaptive control for industrial applications, Lecture Notes in Control and Information Sciences, vol. 158, Springer-Verlag: Berlin., pp 71-109. (J)

Chotai, A. Young, P.C. & Tych, W. (1991) A non-minimum state space approach to true digital control based on d- operator models, I.E.E. Conference Publication No. 332: 3rd Int. Conf.'Control 91', pp 567-573. (J)

Tych, W., Chotai, A., & Young, P.C. (1991) Computer aided design package for true digital control systems, I.E.E. Conference Publication No. 332: 3rd Int. Conf.'Control 91', pp 288-293. (P)

Young, P.C., Chotai, A., & Tych, W. (1991) Adaptive true digital control (TDC) of continuous-time systems using -operator models, appears in Cs. Banyasz and L. Keviczky (eds), Identification and System Parameter Estimation, Pergamon Press: Oxford, 1166-1173. (J)

Tych, W., Young, P.C. & Chotai, A. (1991) TDC: A Computer aided control design package for true digital control, appears in H.A. Barker (ed.) , Computer aided design in control systems, Pergamon press: Oxford, 454-459. (P)

Chotai, A. and Young, P.C. (1991) Self-adaptive and self-tuning control of a nutrient film technique (NFT) system, appears in Y. Hashimoto and W. Day (eds.) , Mathematical and Control Applications in Agriculture and Horticulture, Pergamon press: Oxford, 33-40. (J)

Chotai, A., Young, P.C. and Tych, W., (1991) A Non-Minimum State Space Approach to Linear-Quadratic-Gaussian (LQG) Control, in 8th International Conference on Systems Engineering Proceedings, Coventry Polytechnic, England, pp. 316-323. (J)

Chotai, A. Young, P.C. & Tych, W. (1991) Proportional-Integral-Plus (PIP) Controllers for Multivariable Discrete-Time Systems, in 8th International Conference on Systems Engineering Proceedings, Coventry Polytechnic, England, pp. 397-404. (J)

Young, P.C., Chotai, A., & Tych, W. (1991) Identification, Estimation and Control of Continuous-Time Systems Described by Delta Operator Models, in N.K. Sinha and G.P. Rao (eds.) Identification of Continuous Time Systems, Kluwer Academic Publishers, Dordrecht; pp.363-418 (56 pages). (J)

Young, P.C., Tych, W., & Chotai, A. (1991) Identification, Estimation and Control of Glasshouse Systems, appears in Y. Hashimoto and W. Day (eds.) , Mathematical and Control Applications in Agriculture and Horticulture, Pergamon press: Oxford, 307-316. (J)

Chotai, A., Young, P.C., & Tych, W. (1990)  A non-minimum state space approach to true digital control based on backward shift and -operator models, in M.H. Hamza (ed.) Proc. IASTED Conference: Control 90., Acta Press: Calgary, 1-4. (J)

Tych, W., Chotai, A., & Young, P.C. (1990) MicroCAPTAIN- True digital control (TDC) system design, in Proc. on Personal Computers in Industrial Control, Warren Spring Laboratory, Stevenage, Herts. pp 33-40. (P)

Tych W. (1988) New Algorithm for Composite Long and Short Term Forecasting of Gas Demand, International Gas Union Seminar on Computing in Gas Industry, Bordeaux, France.

Szteke, B.; Jedrzejczak, R., Nieplocha, J.; Tych, W. (1988), Influence of the environmental factors on cadmium content in strawberry fruit, Fruit Science Reports, v. 15(4) p. 1-6 (ISSN0137-1479)

Popelar, J., Syka, J., Dobrzanska J, Pacut A, Tych W, (1982) Response properties of neurons in the inferior colliculus of the guinea pig. Acta Neurobiol. Exp. 42: 299-310, 1982

Pacut A, Tych W (1982), Mathematical modelling of the reaction latency. Part III: A model of avoidance reaction latency and avoidance learning. Acta Neurobiol Exp., 1982;42(4-5):397-420.

 

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