PRINCIPLES OF ELECTRICAL ENGINEERING AND AUTOMATIC CONTROL

Walter ZAMBONI PRINCIPLES OF ELECTRICAL ENGINEERING AND AUTOMATIC CONTROL

0612600021
DIPARTIMENTO DI INGEGNERIA INDUSTRIALE
EQF6
INDUSTRIAL ENGINEERING AND MANAGEMENT
2016/2017

OBBLIGATORIO
YEAR OF COURSE 2
YEAR OF DIDACTIC SYSTEM 2012
ANNUALE
CFUHOURSACTIVITY
1PRINCIPI DI ELETTROTECNICA ED AUTOMATICA
660LESSONS
2PRINCIPI DI ELETTROTECNICA ED AUTOMATICA
660LESSONS
Objectives
THIS COURSE DEALS WITH BASIC CONTENT OF ELECTROTECHNICS, DYNAMIC SYSTEMS AND AUTOMATIC CONTROL AND THE RELATED APPLICATION IN THE FIELD OF INDUSTRIAL ENGINEERING.
[KNOWLEDGE AND UNDERSTANDING]. BASIC ELEMENTS OF LINEAR CIRCUITS, PROPERTIES, TIME- AND FREQUENCY-DOMAIN CIRCUIT ANALYSIS AND SOLUTION. CONCEPTS OF SYSTEM AND MATHEMATICAL MODEL, DYNAMICS, LINEARITY, INVARIANCE, STABILITY, FEEDBACK CONTROL. UNDERSTANDING OF: TIME- AND FREQUENCY-DOMAIN CIRCUIT AND COMPONENT’S BEHAVIOUR AND THEIR RELATION, ENERGETIC IMPLICATIONS, POWER SYSTEM, MATHEMATICAL AND GRAPHICAL INSTRUMENTS USED I NTHE ANALYSIS OF FEEDBACK CONTROL SYSTEM AND THEIR USE IN THE CHARACTERISATION OF REGULATORS AND TRACKING.

[APPLIED KNOWLEDGE AND UNDERSTANDING] THE STUDENT WILL BE ABLE TO:
- DERIVE A MATHEMATICAL MODEL OF A LINEAR CIRCUIT PROBLEM IN STEADY-STATE, DC AND AC BY USING CIRCUIT EQUATIONS, THE SUPERPOSITION PRINCIPLE, EQUIVALENT GENERATORS, NOVE VOLTAGE METHOD, ALSO COMBINED WITH THE METHOD OF PHASORS (CIRCUIT ANALYSIS IN THE COMPLEX DOMAIN);
- SOLVE SIMPLE STEADY-STATE PROBLEMS IN A SYMBOLIC WAY WITH THE HELP OF A SCIENTIFIC CALCULATOR;
- DERIVE A MATHEMATICAL MODEL OF FIRST ORDER LINEAR CIRCUIT IN TRANSIENT EVOLUTION IN TIME DOMAIN BY USING CIRCUIT EQUATIONS;
- CHOOSE THE BEST APPROACH AND THE FASTER SOLVER FOR EACH PROBLEM;
- ANALYSE AND DESIGN, IN THE LIMIT OF LINEAR ANALYSIS, COMPONENTS AND CIRCUITS AS A FUNCTION OF THE APPLICATION (IE.E, CABLES, CAPACITORS IN POWER SYSTEM, PASSIVE FILTERS)
- DERIVE A MATHEMATICAL MODEL IN TERMS OF DIFFERENTIAL EQUATIONS OF A SIMPLE REAL SYSTEM.
- CHARACTERISE ITS PROPERTIES OF DINAMICS, LINEARITY, INVARIANCE, USE MATHETMATICAL TOOLS TO CHARACTERISE ITS LINEAR AND INVARIANT APPROXIMATION;
- FOR LTI SYSTEMS, CONVERT A STATE-SPACE MODEL INTO AN INPUT-OUTPUT MODEL AND VICE VERSA;
- FOR LTI MODELS, COMPUTE FREE RESPONSE AND FORCES RESPONSE BY USING TIME DOMAIN TECHNIQUES AS WELL AS LAPLACE VARIABLE.;
- ANALYSE STABILITY FOR LTI SYSTEMS AND APPLYING THE RELATED CRITERIA;
- EVALUTATE THE PERFORMANCE OF A SYSTEM ON THE BASIS OF ITS OPEN-LOOP MATHEMATICAL MODEL FOR FEEDBACK CONTROL SYSTEM, CHARACTERTISING THE RESPONSE BOTH IN THE TIME- AND THE FREQUENCY-DOMAIN;
- USING TECHNIQUES OF TIME DISCRETISATION TO CONVERT CONTINUOUS TIME SYSTEMS INTO DISCRETE TIME ONES, OR MIXED TECHNIQUES
Prerequisites
TO ACHIEVE THE LEARNING OBJECTIVES, BASICS IN MATHEMATICS AND PHYSICS IS REQUIRED. IN PARTICULAR: LINEAR ALGEBRA (MATRIX COMPUTATION, DETERMINANTS AND LINEAR SIMULTANEOUS EQUATIONS), REAL AND COMPLEX ALGEBRA, ELEMENTS OF CALCULUS (DIFFERENTIAL AND INTEGRAL CALCULUS, CONSTANT COEFFICIENT LINEAR DIFFERENTIAL EQUATION), ELEMENTS OF STATIC AND QUASI-STATIC ELECTROMAGNETISM, KINEMATICS AND DYNAMICS OF PHYSICAL SYSTEMS.

THIS COURSE STRICTLY FOLLOWS THE EXAMS OF “MATEMATICA 2” AND “FISICA” (MANDATORILY REQUIRED).

Contents
PRINCIPLES OF ELECTROTECHNICS. FUNDAMENTAL ELECTRIC QUANTITIES, ONE-PORT, ACTIVE AND PASSIVE SIGN CONVENTION, POWER AND ENERGY. ONE-PORT CHARACTERISTICS. ONE-PORT CIRCUITS, KIRCHHOFF'S LAWS (KL). TWO-PORTS, IDEAL TRANSFORMERS, COUPLED INDUCTORS. GRAPHS THEORY ELEMENTS, INDEPENDENT KIRCHHOFF'S EQUATIONS, NODE VOLTAGES. POWER CONSERVATION THEOREM. EQUIVALENT ONE-PORTS, SERIES, PARALLEL, VOLTAGE AND CURRENT DIVIDES, EQUIVALENT RESISTANCE. THEOREMS: SUPERPOSITION, THÉVENIN/NORTON, MAXIMUM POWER TRANSFER, MILLMAN. STEADY-STATE CIRCUITS. DC CIRCUITS. SINUSOIDAL STEADY-STATE (AC) CIRCUITS: PHASORS' METHOD, EXTENSIONS OF PREVIOUS RESULTS TO IMPEDANCE CIRCUITS, AC POWER, PHASE COMPENSATION. SUPERPOSITION IN THE PRESENCE OF MULTIFREQUENCY AC SOURCES. FREQUENCY RESPONSE OF A LINEAR CIRCUIT, PASSIVE FILTERS. BALANCED AND UNBALANCED THREE-PHASE CIRCUITS, WITH THREE OR FOUR WIRES, POWER MEASUREMENTS. FIRST ORDER DYNAMIC LINEAR CIRCUITS, NATURAL/FORCES EVOLUTION, TRANSIENTS AND STEADY-STATE, STATE VARIABLES AND CONTINUITY PROPERTY. PRINCIPLES OF STATIC ENERGY CONVERSION. PRINCIPLE OF AUTOMATICS. LINEAR AND NONLINEAR SYSTEMS IN THE CONTINUOUS TIME DOMAIN. EQUILIBRIUM AND LINEARIZATION. STATE-SPACE REPRESENTATIONS OF LINEAR SYSTEMS. FUNDAMENTALS OF THE STABILITY THEORY FOR DYNAMIC SYSTEMS. DEFINITION AND PROPERTIES. STABILITY OF LINEAR SYSTEMS. LAPLACE TRANSFORM. RESPONSE OF LINEAR SYSTEMS. FREE RESPONSE AND NATURAL MODES. STABILITY CRITERIA FOR LINEAR SYSTEMS IN THE CONTINUOUS TIME DOMAIN. REPRESENTATIONS OF THE TRANSFER FUNCTION. FORCED RESPONSE. STEP RESPONSE OF FIRST AND SECOND ORDER SYSTEMS. BLOCK DIAGRAMS. TIME DELAY. HARMONIC RESPONSE THEOREM. BODE, NYQUIST, NICHOLS DIAGRAMS. FUNDAMENTALS OF CONTINUOUS TIME FEEDBACK SYSTEMS. DISCRETE TIME LINEAR SYSTEMS. STABILITY. ZETA TRANSFORM.
Teaching Methods
THE COURSE IS BASED ON LECTURES (60%) AND IN-ROOM EXERCISES (40%). IN THE LECTURES THE LECTURER
DURING IN-ROOM EXERCISES, EXAMPLES OF APPLICATION OF METHODS AND CONCEPTS, PREVIOUSLY TREATED DURING LECTURES, ARE GIVEN, DEVELOPED AND COMMENTED. THE LECTURER ILLUSTRATES THE ANALYSIS/DESIGN METHOD, THEN STUDENTS ARE REQUIRED TO PARTICIPATE UNTIL THEY ARE AUTONOMOUS IN FACING APPLICATION EXAMPLES. ALSO DURING LECTURES, LECTURER LEADS THE STUDENTS TO ACTIVELY PARTICIPATE WHILE EXPLAINING THEORETICAL ASPECTS OF THE DISCIPLINES, VERIFYING THE EVOLUTION OF THEIR COMPETENCES. THE LECTURER CAN ASSIGN HOMEWORKS DURING THE COURSE, WHOSE SOLUTION CAN BE ALSO DISCUSSES BY USING E-LEARNING TOOLS.

ATTENDING LECTURES AND IN-ROOM EXCERCISES IS MANDATORY.

Verification of learning
THE EXAM CONSISTS IN TWO PARTS: THE FIRST PART (WRITTEN TEST) IS BASED ON EXERCISES AND WRITTEN-ANSWER QUESTIONS, THE SECOND PART IS AN ORAL EXAM, AIMED AT DISCUSSING TOPICS INCLUDED IN THE COURSE PROGRAM, MAINLY STARTING FROM A DISCUSSION OF THE WRITTEN TEST. THE EXAM IS MARKED OUT OF THIRTY, EVENTUALLY WITH HONORS, AND THE FINAL MARK DEPENDS ON THE STUDENT’S KNOWLEDGE ABOUT THE STUDIED ARGUMENTS AND ON THE QUALITY OF WRITTEN AND ORAL EXPOSITION.

THE EXAM AIMS AT EVALUATING THE KNOWLEDGE, THE UNDERSTANDING OF THE CONTENTS, THE ABILITY TO APPLY THE KNOWLEDGE TO THE ANALYSIS OF CIRCUITS AND SYSTEMS, THE ABILITY OF MAKING JUDGEMENT AND THE COMMUNICATION SKILLS.

[THE EXAM]. THE EXAM CONSISTS OF TWO PARTS, ONE PER MODULE. EACH PART IS MADE OF A WRITTEN EXAM FOLLOWED BY A NON-MANDATORY ORAL EXAM (IF THE CORRESPONDING WRITTEN EXAM EVALUATION IS ABOVE A PREFIXED THRESHOLD).
THE PARTIAL MARK IS EXPRESSED IN THIRTIES, EVENTUALLY WITH HONORS, DEFINED BY THE COMMISION ON THE BASIS OF A SHARED EVALUATION OF THE QUALITY OF EXPOSITION DURING THE TESTS, THE KNOWLEDGE OF THE ACQUIRED UNDERSTANDING OF THE COURSE CONTENTS, AND THE DEGREE OF ACHIEVEMENT OF THE LEANING OBJECTIVES.
[FINAL MARK]. THE FINAL MARK IS DETERMINED BY THE COMMISSION BY AVERAGING (EVENTUALLY BY CEILING) THE MARKS OBTAINED IN THE TWO PARTS.

[WRITTEN TESTS]. THE WRITTEN TESTS CONTAIN:
- NUMERICAL OR SYMBOLIC EXERCISE TO BE SOLVED BY USING A SCIENTIFIC CALCULATOR.
- QUESTIONS OR BRIEF TEXTS TO BE WRITTEN AND DEALING WITH THEORETICAL ASPECTS INCLUDED IN THE COURSE CONTENTS
- MULTIPLE CHOICES TESTS
THE WRITTEN TESTS DEALS WITH:
- ANALYSIS OF LINEAR CIRCUITS (RESISTIVE AND DYNAMIC IN DC, AC)
- COMPUTATION OF POWER AND ENERGY EXCHANGES
- BALANCED AND UNBALANCED THREE-PHASE CIRCUIT ANALYSIS
- SIZING OF ELECTRIC ELEMENTS (CABLES, CAPACITORS, PASSIVE FILTERS)
- COMPUTATION OF LTI SYSTEM RESPONSE (TIME DOMAIN, LAPLACE-DOMAIN)
- HARMONIC RESPONSE CHARACTERISATION OF LTI SYSTEM
- LINEARISATION OF NONLINEAR MODELS
- TRANSFORMATION FROM ISU TO IU REPRESENTATION
- LTI SYSTEM STABILITY ANALUSIS, CLOSED-LOOP STABILITY PREDICTION BY USING STABILITY CRITERIA
- LTI DISCRETE TIME RESPONSE ANALYSIS AND STABILITY.
EXAMPLES OF WRITTEN TESTS ARE PUBLISHED ON THE REFERENCE WEBSITES OF THIS COURSE.

[ORAL TESTS]. THE ORAL TESTS DEAL WITH THE DISCUSSION OF THE WRITTEN TESTS AND LINKED MATTER, THEORETICAL AND PRACTICAL ASPECTS PRESENTED DURING LECTURES OR TO NEW PROBLEM, ESPECIALLY IN THE CASE OF GOOD PERFORMANCE.


Texts
PRINCIPLES OF ELECTROTECHNICS
- M. DE MAGISTRIS E G. MIANO, CIRCUITI: FONDAMENTI DI CIRCUITI PER L’INGEGNERIA, SPRINGER
- WWW.ELETTROTECNICA.UNISA.IT.

PRINCIPLES OF AUTOMATIC CONTROL
- F. BASILE, P. CHIACCHIO, LEZIONI DI AUTOMATICA VOLUME I, MAGGIOLI EDITORE, 2013
- WWW.AUTOMATICA.UNISA.IT.

OTHER READINGS FROM
- G. RIZZONI, ELETTROTECNICA - PRINCIPI E APPLICAZIONI, III ED., MCGRAW-HILL, MILANO, 2008
- G. FABRICATORE, ELETTROTECNICA E APPLICAZIONI - RETI, MACCHINE, MISURE, IMPIANTI, LIGUORI EDITORE, NAPOLI, 1995;
- P. BOLZERN, R. SCATTOLINI, N. SCHIAVONI, FONDAMENTI DI CONTROLLI AUTOMATICI - 4 ED., MCGRAW-HILL, ISBN: 9788838668821

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