73017 - DIAGNOSTICA E CONTROLLO M

Conoscenze e abilità da conseguire

Introduzione alle metodologie di analisi dei malfunzionamenti dei sistemi dinamici e alle tecniche di progetto di sistemi di controllo in grado di riconfigurarsi e di garantire funzionamenti di impianto comparabili con le specifiche.

Contenuti

Introduction to dependability and RAMS;

Reliability and Availability;

- Main definitions and concepts;

- Non state space methods;

- State space methods;

Functional Safety;

- Safety critical systems;

- Safety life cycle;

- The IEC61508 standard;

- SIL levels;

- Fault Analysis techniques (HAZOP, FMEA, FTA)

- Layer of Protection Analysis (LOPA);

- The ALARP philosophy;

Model Based Fault Detection;

- Basics on Fault Detection (FD);

- Observer based FD;

- Unknown Input Observers (UIO);

- Kalman Filters;

- Parity Space FD;

- Least Squares FD;

- Statistical residual evaluation (chi-square test, sequential probability ratio test);

- Adaptive thresholds;

- Fault Isolation architectures;

- Qualitative approaches (AI methods);

- High level FDI (DES methods);

Fault Tolerance;

- Fault Tolerance by means of redundancy;

- Fault Tolerant control;

Lectures from companies;

Testi/Bibliografia

Reliability Engineering

[1] A. Birolini, Reliability Engineering: Theory and Practice, Springer, ISBN 9783642149528, 2010.  

Fault Analysis

[2] J.D. Andrews, T.R. Moss, Reliability and Risk Assessment, Professional Engineering Publications, ISBN 1860582907, 2002.   

Functional Safety 
[3] D.J. Smith, K.G.L. Simpson, Safety Critical Systems Handbook: a straightforward guide to functional safety, IEC 61508 (2010 edition) and related standards, including process IEC 61511 and machinery IEC 62061 and ISO 13849, Elsevier Science, ISBN 9780080967820, 2010.   

Model Based FD 
[4] R.J. Patton, P.M. Frank, R.N. Clark, Issues of Fault Diagnosis for Dynamic Systems, Springer, ISBN 3540199683, 2000.
 
[5] J. Chen, R.J. Patton, Robust Model-Based Fault Diagnosis for Dynamic Systems, Kluwer Academic Publishers, ISBN 0792382595, 1999.

Fault Tolerance 
[6] M. Blanke, M. Kinnaert, J. Lunze, Diagnosis and Fault-tolerant Control, Springer, ISBN 3540010564, 2003. 
[7] R. Isermann, Fault-Diagnosis Systems: An Introduction from Fault Detection to Fault Tolerance, Springer, ISBN 3540241124, 2006.

Metodi didattici

Face to face lectures, students involvement through class discussions, lectures from key people from companies.

Modalità di verifica e valutazione dell'apprendimento

Final exam including theoretical questions and simple exercises.

Orario di ricevimento

Consulta il sito web di Andrea Paoli