Articoli su riviste internazionali

R. Diversi and R. Guidorzi, "The Frisch scheme in multivariable errors-in-variables identification", European Journal of Control, Vol. 37, pp. 43-53, September 2017.

A. Abdou, F. Turcu, E. Grivel, R. Diversi and G. Ferré, "Identifying an autoregressive process disturbed by a moving average noise using inner-outer factorization", Signal, Image and Video Processing, Springer, Vol. 9, pp. 235-244, December 2015.

T. Söderström, R. Diversi and U. Soverini, "A unified framework for EIV identification methods when the measurtement noises are mutually correlated", Automatica, Vol. 50, no. 12, pp. 3216-3223, December 2014.

R. Diversi, A. Tilli, A. Bartolini, F. Beneventi and L. Benini, "Bias-compensated least squares identification of distributed thermal models for many-core systems-on-chip", IEEE Transaction on Circuits and Systems-I: Regular Papers, Vol. 61, no. 9, pp. 2663-2676, September 2014.

R. Guidorzi, R. Diversi, L. Vincenzi, C. Mazzotti and V. Simioli, "Structural monitoring of a tower by means of MEMS-based sensing and enhanced autoregressive models", European Journal of Control, Vol. 20, no. 1, pp. 4-13, January 2014.

R. Diversi, "Bias-eliminating least-squares identification of errors-in-variables models with mutually correlated noises", International Journal of Adaptive Control and Signal Processing, Vol. 27, pp. 915-924, October 2013.

R. Diversi and R. Guidorzi, "Optimal filtering of multivariate noisy AR processes", Signal, Image and Video Processing, Springer, Vol. 7, pp. 873-878, September 2013.

R. Diversi, "A fast algorithm for errors-in-variables filtering", IEEE Transactions on Automatic Control, Vol. 57, pp. 1303-1309, May 2012.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of ARX and ARARX models in the presence of input and output noises", European Journal of Control, Vol. 16, no. 3, pp. 242-255, 2010.

R. Diversi, "Noisy FIR identification as a quadratic eigenvalue problem", IEEE Transactions on Signal Processing, Vol. 57, pp. 4563-4568, November 2009.

R. Guidorzi, R. Diversi and U. Soverini, "The Frisch scheme in algebraic and dynamic identification problems", Kybernetika, Vol. 44, no. 5, pp. 585-616, 2008.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of autoregressive models in the presence of additive noise", International Journal of Adaptive Control and Signal Processing, Vol. 22, pp. 465-481, June 2008.

R. Diversi, "A bias-compensated identification approach for noisy FIR models", IEEE Signal Processing Letters, Vol. 15, pp. 325-328, 2008.

W. Bobillet, R. Diversi, E. Grivel, R. Guidorzi, M. Najim and U. Soverini, "Speech enhancement combining optimal smoothing and errors-in-variables identification of noisy AR processes", IEEE Transactions on Signal Processing, Vol. 55, pp. 5564-5578, December 2007.

R. Diversi and R. Guidorzi, "Fast filtering of noisy autoregressive signals", Signal Processing, Elsevier, Vol. 87, pp. 2843-2849, November 2007.

R. Guidorzi, R. Diversi and U. Soverini, "Blind identification and equalization of multichannel FIR systems in unbalanced noise environments", Signal Processing, Elsevier, Vol. 87, pp. 654-664, April 2007.

R. Diversi, R. Guidorzi and U. Soverini, "Maximum likelihood identification of noisy input-output models", Automatica, Vol. 43, pp. 464-472, March 2007.

R. Diversi, R. Guidorzi and U. Soverini, "Kalman filtering in extended noise environments", IEEE Transactions on Automatic Control, Vol. 50, pp. 1396-1402, September 2005.

R. Diversi, R. Guidorzi and U. Soverini, "Blind identification and equalization of two-channel FIR systems in unbalanced noise environments", Signal Processing, Elsevier, Vol. 85, pp. 215-225, January 2005.

R. Guidorzi and R. Diversi, "Minimal representations of MIMO time-varying systems and realization of cyclostationary models", Automatica, Vol. 39, pp. 1903-1914, November 2003.

R. Guidorzi, R. Diversi and U. Soverini, "Optimal errors-in-variables filtering", Automatica, Vol. 39, pp. 281-289, February 2003.

R. Diversi, R. Guidorzi and U. Soverini, "Algorithms for optimal errors-in-variables filtering", Systems & Control Letters, Vol. 48, pp. 1-13, January 2003.

Articoli su atti di congressi e workshop internazionali

R. Diversi, E. Grivel and F. Merchan, "ARMA model identification from noisy observations based on a two-step errors-in-variables approach", IFAC PapersOnLine, Vol. 50, pp. 14143-14149, 2017.

A. Bartolini, C. Conficoni, R. Diversi, A. Tilli and L. Benini, "Multiscale Thermal Management of Computing Systems - The MULTITHERMAN approach", IFAC PapersOnLine, Vol. 50, pp. 6709-6716, 2017.

R. Diversi, A. Bartolini, F. Beneventi and L. Benini, "Thermal model identification of supercomputing nodes in production environment", Proceedings of the 42nd Annual Conference of IEEE Industrial Electronics Society (IECON 2016), pp. 4838-4844, Firenze, Italy, October 2016.

R. Diversi, "A three-step identification procedure for ARARX models with additive measurement noise", Proceedings of the 24th Mediterranean Conference on Control and Automation (MED 2016), pp. 622-627, Athens, Greece, June 2016.

A. Youcef, R. Diversi and E. Grivel, "Errors-in-variables identification of noisy moving average models", Proceedings of the 23rd European Signal Processing Conference (EUSIPCO 2015), pp. 968-972, Nice, France, September 2015.

R. Diversi and U. Soverini, "Identification of errors-in-variables models with colored output noise", Proceedings of the 14th European Control Conference (ECC 2015), pp. 1784-1789, Linz, Austria, July 2015.

R. Guidorzi, R. Diversi, L. Vincenzi and V. Simioli, "AR + noise versus AR and ARMA models in SHM-oriented identification", Proceedings of the 23rd Mediterranean Conference on Control and Automation (MED 2015), pp. 809-814, Torremolinos, Spain, June 2015.

H. Ijima, R. Diversi and E. Grivel, "Iterative approach to estimate the parameters of a TVAR process corrupted by a MA noise", Proceedings of the 22nd European Signal Processing Conference (EUSIPCO 2014), pp. 456-460, Lisbon, Portugal, September 2014.

T. Söderström, R. Diversi and U. Soverini, "A unified framework for EIV identification methods in the presence of mutually correlated noises", Proceedings of the 19th IFAC World Congress, pp. 4644-4649, Cape Town, South Africa, August 2014.

R. Guidorzi, G. Marro, R. Diversi and U. Soverini, "On the use of quasi-positive versus positive state-space models of externally positive discrete-time systems", Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), pp. 1511-1516, Groningen, The Netherlands, July 2014.

R. Diversi, R. Guidorzi and U. Soverini, "Estimating the number of signals in the presence of nonuniform noise", Proceedings of the 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2014), pp. 2967-2971, Florence, Italy, May 2014.

R. Diversi, A. Tilli, A. Bartolini and L. Benini, "Identification of many-core systems-on-chip with input and output noises", Proceedings of the 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 6481-6488, Florence, Italy, December 2013.

R. Diversi, R. Guidorzi and U. Soverini, "Direction-of-Arrival estimation in nonuniform noise fields: a Frisch scheme approach", in Advances in Systems Science - Proceedings of the 18th International Conference on Systems Science (ICSS 2013), Springer, pp. 765-774, Wroclaw, Poland, September 2013.

R. Diversi, A. Tilli, A. Bartolini and L. Benini, "Errors-in-variables identification of thermal models for many-core computing systems", Proceedings of the 12th European Control Conference (ECC 2013), pp. 1908-1915, Zürich, Switzerland, July 2013.

R. Diversi and U. Soverini, "Identification of errors-in-variables models as a quadratic eigenvalue problem", Proceedings of the 12th European Control Conference (ECC 2013), pp. 1896-1901, Zürich, Switzerland, July 2013.

R. Guidorzi and R. Diversi, "Structural health monitoring application of errors-in-variables identification", Proceedings of the 21st IEEE Mediterranean Conference on Control and Automation (MED 2013), pp. 1098-1103, Platanias-Chania, Crete, Greece, June 2013.

R. Diversi, H. Ijima and E. Grivel, "Prediction error method to estimate the AR parameters when the AR process is disturbed by a colored noise", Proceedings of the 2013 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2013), pp. 6143-6147, Vancouver, Canada, May 2013.

R. Diversi, A. Bartolini, A. Tilli, F. Beneventi and L. Benini, "SCC thermal model identification via advanced bias-compensated least-squares", Proceedings of DATE 2013 (Design, Automation & Test in Europe), pp. 230-235, Grenoble, France, March 2013.

R. Guidorzi, R. Diversi, L. Vincenzi and V. Simioli, "Evaluation of a MEMS-based sensing unit for structural health monitoring: results on a medieval tower", Proceedings of the 22nd International Conference on Systems Engineering (ICSE 2012), pp. 83-88, Coventry, UK, September 2012.

R. Diversi and R. Guidorzi, "A covariance-matching criterion in the Frisch scheme identification of MIMO EIV models", Proceedings of the 16th IFAC Symposium on System Identification (SYSID 2012), pp. 1647-1652, Brussels, Belgium, July 2012.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of errors-in-variables models with mutually correlated input and output noises", Proceedings of the 16th IFAC Symposium on System Identification (SYSID 2012), pp. 1353-1358, Brussels, Belgium, July 2012.

R. Guidorzi and R. Diversi, "A behavioural approach in EIV identification: the SISO case", Proceedings of the 7th Vienna International Conference on Mathematical Modelling (MATHMOD 2012), Vienna, Austria, February 2012.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of ARMAX models with noisy input and output", Proceedings of the 18th IFAC World Congress, pp. 13121-13126, Milano, Italy, August/September 2011.

A. Tilli and R. Diversi, "A modular approach to dynamic modelling of heat exchangers in vapor compression cycles", Proceedings of the 18th IFAC World Congress, pp. 1005-1012, Milano, Italy, August/September 2011.

R. Guidorzi, R. Diversi, L. Vincenzi, C. Mazzotti and V. Simioli, "Structural monitoring of the Tower of the Faculty of Engineering in Bologna using MEMS-based sensing", Proceedings of the 8th International Conference on Structural Dynamics (EURODYN 2011), pp. 2499-2506, Leuven, Belgium, July 2011.

R. Guidorzi and R. Diversi, "On the use of minimal parametrizations in multivariable output-error identification", Proceedings of the 19th IEEE Mediterranean Conference on Control and Automation, pp. 1510-1515, Corfù, Greece, June 2011.

R. Guidorzi and R. Diversi, "Identification of longitudinal and lateral dynamics of an ultralight aircraft", Proceedings of the 7th EUROSIM Congress on Modelling and Simulation, Prague, Czech Republic, September 2010.

A. Tilli and R. Diversi, "Dynamical modelling of single-phase and two-phase states in thermodynamic cycles", Proceedings of the 8th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2010), pp. 451-456, Bologna, Italy, September 2010.

J. Petitjean, E. Grivel, R. Diversi and R. Guidorzi, "A recursive errors-in-variables method for tracking time varying autoregressive parameters from noisy observations", Proceedings of the 18th European Signal Processing Conference (EUSIPCO 2010), pp. 840-844, Aalborg, Denmark, August 2010.

R. Diversi and R. Guidorzi, "Combining the Frisch scheme and Yule-Walker equations for identifying multivariable errors-in-variables models", Proceedings of the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010), pp. 2407-2413, Budapest, Hungary, July 2010.

R. Guidorzi, R. Diversi, L. Vincenzi and V. Simioli, "MEMS-based sensing for health monitoring of buildings", Proceedings of the 5th European Workshop on Structural Health Monitoring, F. Casciati and M. Giordano (Eds.), pp. 901-906, Sorrento, Italy, June 2010.

T. Larkowski, R. Diversi, J. G. Linden and K. J. Burnham, "An algorithm for the identification of ARX systems in the errors-in-variables framework", Proceedings of the 20th International Conference on Systems Engineering (ICSE 2009), pp. 288-295, Coventry, UK, September 2009.

R. Guidorzi and R. Diversi, "A geometric approach to multivariable errors-in-variables identification", Proceedings of the 15th IFAC Symposium on System Identification (SYSID 2009), pp. 1615-1619, St. Malo, France, July 2009.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of ARMAX models with additive output noise", Proceedings of the 15th IFAC Symposium on System Identification (SYSID 2009), pp. 1574-1579, St. Malo, France, July 2009.

R. Diversi and R. Guidorzi, "Frisch scheme-based identification of multivariable errors-in-variables models", Proceedings of the 15th IFAC Symposium on System Identification (SYSID 2009), pp. 1563-1567, St. Malo, France, July 2009.

J. Petitjean, R. Diversi, E. Grivel, R. Guidorzi and P. Roussilhe, "Recursive errors-in-variables approach for AR parameter estimation from noisy observations. Application to radar sea clutter rejection", Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2009), pp. 3401-3404, Taipei, Taiwan, April 2009.

R. Guidorzi and R. Diversi, "Minimal parameterizations in diagnosis-oriented multivariable identification", Proceedings of the 6th Vienna International Conference on Mathematical Modelling (MATHMOD 2009), pp. 700-705, Vienna, Austria, February 2009.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of ARARX models in presence of additive noise", Proceedings of the 17th IFAC World Congress, pp. 432-437, Seoul, Korea, July 2008.

M. Hong, T. Söderström, U. Soverini and R. Diversi, "Comparison of three Frisch methods for errors-in-variables identification", Proceedings of the 17th IFAC World Congress, pp. 414-419, Seoul, Korea, July 2008.

R. Diversi, R. Guidorzi and U. Soverini, "A new approach for identifying noisy input-output FIR models", Proceedings of the 3rd IEEE International Symposium on Communications, Control and Signal Processing, pp. 1548-1552, St. Julians, Malta, March 2008.

R. Guidorzi and R. Diversi, "EIV-based fault diagnosis in a light sport aircraft", Proceedings of the 3rd IEEE International Symposium on Communications, Control and Signal Processing, pp. 1232-1235, St. Julians, Malta, March 2008.

R. Guidorzi, R. Diversi and U. Soverini, "Identification techniques in VNAV autopilot design for a light sport aircraft", Proceedings of the 6th EUROSIM Congress on Modelling and Simulation, pp. 1-6, Ljubljana, Slovenia, September 2007.

R. Diversi, R. Guidorzi and U. Soverini, "Identification of ARX models with noisy input and output", Proceedings of the 9th European Control Conference, pp. 4073-4078, Kos, Greece, July 2007.

S. Simani and R. Diversi, "Residual generator identification and design for linear multivariable systems", Proceedings of the 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, pp. 890-895, Beijing, China, August 2006.

R. Guidorzi, R. Diversi and U. Soverini, "Some issues on errors-in-variables identification", 4th International Workshop on Total Least Squares and Errors-in-Variables Modeling, Leuven, Belgium, August 2006.

R. Guidorzi and R. Diversi, "Determination of linear relations from real data in the Frisch scheme context", Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems, pp. 530-535, Kyoto, Japan, July 2006.

R. Diversi, R. Guidorzi and U. Soverini, "Yule-Walker equations in the Frisch scheme solution of errors-in-variables identification problems", Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems, pp. 391-395, Kyoto, Japan, July 2006.

R. Guidorzi, R. Diversi, M. Colin and G. Lodoli, "A constructivist approach in designing an e-learning system identification course", Proceedings of the 7th IFAC Symposium on Advances in Control Education, Madrid, Spain, June 2006.

R. Guidorzi, R. Diversi and U. Soverini, "A dual filtering approach in MEMS based dynamic attitude estimation", Proceedings of the 2nd IEEE International Symposium on Communications, Control and Signal Processing, Marrakech, Morocco, March 2006.

W. Bobillet, E. Grivel, M. Najim, R. Diversi, R. Guidorzi and U. Soverini, "Errors-in-variables based identification of autoregressive parameterers for speech enhancement using one microphone", Proceedings of the 2nd IEEE International Symposium on Communications, Control and Signal Processing, Marrakech, Morocco, March 2006.

R. Diversi, R. Guidorzi, U. Soverini, W. Bobillet, E. Grivel and M. Najim, "A new optimal smoothing approach for AR + noise models and application to single-microphone speech enhancement", Proceedings of the 2nd IEEE International Symposium on Communications, Control and Signal Processing, Marrakech, Morocco, March 2006.

S. Simani, R. Diversi and U. Soverini, "Identification of residual generators for fault detection of linear dynamic models", Proceedings of the 44th IEEE Conference on Decision and Control and 8th European Control Conference, pp. 7651-7655, Seville, Spain, December 2005.

R. Diversi, R. Guidorzi and U. Soverini, "A noise-compensated estimation scheme for AR processes", Proceedings of the 44th IEEE Conference on Decision and Control and 8th European Control Conference, pp. 4146-4151, Seville, Spain, December 2005.

R. Diversi, R. Guidorzi and U. Soverini, "Optimal errors-in-variables filtering in the MIMO case", Proceedings of the 16th IFAC World Congress, pp. 826-831, Prague, Czech Republic, July 2005.

R. Diversi, U. Soverini and R. Guidorzi, "A new estimation approach for AR models in presence of noise", Proceedings of the 16th IFAC World Congress, pp. 160-165, Prague, Czech Republic, July 2005.

S. Simani and R. Diversi, "Residual function design for linear multivariable systems", Proceedings of the 16th IFAC World Congress, pp. 31-36, Prague, Czech Republic, July 2005.

S. Simani and R. Diversi, "Residual generator design for linear dynamic system fault detection", Proceedings of the 43rd IEEE Conference on Decision and Control, pp. 4311-4315, Atlantis, Paradise Island, Bahamas, December 2004.

W. Bobillet, E. Grivel, R. Diversi, U. Soverini, R. Guidorzi and M. Najim, "Dereverbering speech and cancelling additive noise as an errors-in-variables interpolation issue", Proceedings of the 7th COST 276 Workshop on Information and Knowledge Management for Integrated Media Communication, Ankara, Turkey, November 2004.

R. Guidorzi, R. Diversi, U. Soverini and A. Valentini, "A noise signature approach to fault detection and isolation", Proceedings of the 16th International Symposium on Mathematical Theory of Networks and Systems, Leuven, Belgium, July 2004.

R. Diversi, R. Guidorzi and U. Soverini, "Frisch scheme-based algorithms for EIV identification", Proceedings of the 12th IEEE Mediterranean Conference on Control and Automation, Kusadasi, Turkey, June 2004.

R. Diversi and S. Simani, "Residual design for dynamic processes using decoupling technique", Proceedings of the 42nd IEEE Conference on Decision and Control, pp. 451-456, Maui, Hawaii, USA, December 2003.

R. Diversi and S. Simani, "Residual generation and disturbance de-coupling for a chemical process", Proceedings of the 7th European Control Conference, Cambridge, UK, September 2003.

R. Diversi, R. Guidorzi and U. Soverini, "A new criterion in EIV identification and filtering applications", Preprints of the 13th IFAC Symposium on System Identification, pp. 1993-1998, Rotterdam, The Netherlands, August 2003.

R. Guidorzi, I. Pagani and R. Diversi, "An identification course on the Web: rationale, realization and students' evaluation", Preprints of the 13th IFAC Symposium on System Identification, pp. 1595-1600, Rotterdam, The Netherlands, August 2003.

R. Diversi, R. Guidorzi and U. Soverini, "Kalman filtering in symmetrical noise environments", Proceedings of the 11th IEEE Mediterranean Conference on Control and Automation, Rhodes, Greece, June 2003.

R. Diversi and S. Simani, "Residual generation and identification for dynamic processes", Preprints of the 5th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, pp. 375-380, Washington, D.C., USA, June 2003.

R. Diversi, S. Simani and U. Soverini, "Robust residual generation for dynamic processes using decoupling technique", Proceedings of the 2002 IEEE Conference on Control Applications, pp. 1270-1275, Glasgow, UK, September 2002.

R. Guidorzi, U. Soverini and R. Diversi, "Multivariable EIV identification", Proceedings of the 10th IEEE Mediterranean Conference on Control and Automation, Lisboa, Portugal, July 2002.

R. Diversi, R. Guidorzi, U. Soverini and P. Castaldi, "Assumption evaluation in TLS and EIV identification", Proceedings of the 3rd Conference on Technology and Automation, Athens, Greece, October 2000.

R. Guidorzi, U. Soverini, P. Castaldi and R. Diversi, "A modular approach in designing an environment for teaching system identification", Proceedings of the 12th IFAC Symposium on System Identification, Santa Barbara, California, June 2000.

P. Castaldi, R. Diversi, R. Guidorzi and U. Soverini, "Blind estimation and deconvolution of communication channels with unbalanced noise", Proceedings of the 12th IFAC Symposium on System Identification, Santa Barbara, California, June 2000.

U. Soverini, P. Castaldi, R. Diversi and R. Guidorzi, "A new algorithm for unknown-input SIMO FIR identification", Proceedings of the 3rd IMACS Symposium on Mathematical Modelling, I. Troch and F. Breitenecker (Eds.), Vol. 2, pp. 803-808, ARGESIM, Vienna, Austria, February 2000.

R. Guidorzi, U. Soverini, P. Castaldi and R. Diversi, "WWW implementation of an identification course: structure and users' evaluation", Proceedings of the 29th ASEE/IEEE Frontiers in Education Conference, Vol. 2, pp. 12c2/1-12c2/5, San Juan, Puerto Rico, November 1999.

P. Castaldi, R. Diversi, R. Guidorzi and U. Soverini, "Identification of multivariable errors-in-variables models", Proceedings of the 5th European Control Conference, Karlsruhe, Germany, August 1999.

Capitoli di libri

R. Guidorzi, R. Diversi and U. Soverini, "The Frisch scheme in algebraic and dynamic identification problems", in A Tribute to Antonio Lepschy, G. Picci and M. E. Valcher (Eds.), pp. 105-128, Edizioni Libreria Progetto Padova, Padova, Italy, August 2007.

R. Guidorzi, R. Diversi and U. Soverini, "Errors-in-variables filtering in behavioural and state-space contexts", in Total Least Squares and Errors-in-Variables Modelling - Analysis, Algorithms and Applications, S. Van Huffel and P. Lemmerling (Eds.), pp. 281-291, Kluwer Academic Publishers, Dordrecht, The Netherlands, 2002.

U. Soverini, P. Castaldi, R. Diversi and R. Guidorzi, "Blind identification of FIR systems and deconvolution of white input sequences", in Advances in Systems Science: Measurements, Circuits and Control, N. E. Mastorakis and L. A. Pecorelli-Peres (Eds.), pp. 527-532, World Scientific & Engineering Society Press, 2001.

R. Diversi, R. Guidorzi, U. Soverini and P. Castaldi, "Blind identification of SIMO FIR systems", in Recent Advances in Signal Processing and Communications, N.E. Mastorakis (Ed.), pp. 60-64, World Scientific & Engineering Society Press, 1999.

Rapporti tecnici

T. Söderström, R. Diversi and U. Soverini, "A generalized instrumental variable framework for EIV identification methods when the measurement noises are mutually correlated", Technical Report 2014-008, Department of Information Technology, Uppsala University, Uppsala, Sweden, March 2014.

M. Hong, T. Söderström, U. Soverini and R. Diversi, "Comparison of three Frisch methods for errors-in-variables identification", Technical Report 2007-021, Department of Information Technology, Uppsala University, Uppsala, Sweden, August 2007.

Tesi di Dottorato

R. Diversi, "Identificazione errors-in-variables e blind di sistemi dinamici", Ph.D. Thesis, University of Bologna, January 2000.