PERIOD: FEBRUARY - MARCH Objective of the course is to provide the skills for the analysis and design of typical mechanical servo-systems used for control of position, velocity, force and pressure. The servo-systems components are described, their functional characteristics are presented together with the typical design solutions and performance. The definitions are given for the design specifications that are typically taken for the servo-systems design and the methodologies for static and dynamic analysis are presented with reference to the relevant mathematical model of the servo-system. A second part of the course presents the application of servo-systems to primary flight controls of fixed and rotary wing aircraft where they are critical equipments for ensuring the control and the safety of the air vehicle.

PART A: SERVOSYSTEMS - Characteristics, design and analysis A1) INTRODUCTION A1.1: Servo-system concept A1.2: Concept layout of electrical, hydraulic and pneumatic servo-systems A1.3: Comparison of th different solutions A2) FLUID SERVOSYSTEMS A2.1: Interfacing devices (proportional valves, servo-valves, digitally controlled valves) A2.2: Actuators (linear and rotary) A2.3: Transducers (pressure, position, force, velocity) A2.4: Control and monitor A2.5: Applications and modeling (linear and non-linear) A3) ELECTRICAL SERVOSYSTEMS A3.1: Velocity drive A3.2: Electric motors A3.3: Transducers A3.4: Applications A3.5: Linear and non-linear modeling A4) MECHANICAL SERVOSYSTEMS DESIGN A4.1: Design specifications and major requirements (stability, accuracy, frequency and time response, effects of disturbances A4.2: Performance analysis of servo-systems for position, force and pressure control PART B: SERVOSYSTEMS FOR PRIMARY FLIGHT CONTROLS B1) FLIGHT CONTROL SYSTEMS ARCHITECTURE B1.1: Driving requirements B1.2: Number of flight control surfaces B1.3: Power sources B1.4: Control architecture B2) APPLICATIONS EXAMPLES B2.1: Servo-systems for primary flight controls of commercial and military aircraft B2.2: Servo-systems for secondary flight controls of commercial and military aircraft B3) CONTROL AND MONITORING B3.1: Main control requirements for servo-systems for aircraft flight controls B3.2: Monitoring philosophies and relevant examples for aircraft flight controls

will be held by proff. Giovanni Jacazio and Massimo Sorli at the second floor of DIMEAS in Room Ferrari in according with following timetable: February :17,20,24 March: 2,5,9,12 from 14.30-17.30

Modalita di esame:

Exam:

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Gli studenti e le studentesse con disabilita o con Disturbi Specifici di Apprendimento (DSA), oltre alla segnalazione tramite procedura informatizzata, sono invitati a comunicare anche direttamente al/la docente titolare dell'insegnamento, con un preavviso non inferiore ad una settimana dall'avvio della sessione d'esame, gli strumenti compensativi concordati con l'Unita Special Needs, al fine di permettere al/la docente la declinazione piu idonea in riferimento alla specifica tipologia di esame.