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Ano Letivo: 2017/18

Engenharia Electrotécnica e de Computadores

Control of Electromechanical Drives (Major in Energy

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Publication in the Diário da República: Despacho nº 10766/2011 - 30/08/2011

6 ECTS; 3º Ano, 2º Semestre, 28,0 T + 42,0 PL + 5,0 OT , Cód. 911229.

Lecturer
- Pedro Manuel Granchinho de Matos (2)

(1) Docente Responsável
(2) Docente que lecciona

Prerequisites
Not applicable.

Objectives
- Develop dynamic models of mechanical charges, electrical machinery, electronic converter and power supply;
- Analyse the performance of industrial drives and electric traction vehicles;
- Design control systems for electrical machines.

Program
1. Constitution of electromechanical systems;
1.1 Introduction to electromechanical systems;
1.2 The electric vehicle - the establishment and specific characteristics of electric vehicles;

2. Modelling of stationary and dynamic behavior of industrial mechanical components;
2.1 Mechanical aspects;
2.2 Equation of motion;
2.3 Typical loads;
2.3.1 Rigid and elastic connection;
2.3.2 Transmission;
2.3.3 Pumps and fans;
2.3.4 Windings;

3 Specific features of electric vehicles;
3.1 Equations of motion;
3.2 External forces;
3.2.1 Wheel Model;
3.2.2 resistant forces;

4. Applications of control systems, electromechanical actuators;
4.1 DC machines;
4.2 Three-phase asynchronous machines;
4.3 Synchronous machines;

5. Power of electric traction systems;
5.1 Batteries;
5.1.1 Analysis of different types of batteries;
5.1.2 Parameters of the batteries and technical characteristics;
5.1.3 battery modeling;
5.2 Alternative systems;
5.2.1 Fuel Cells;
5.2.2 supercapacitors;
5.2.3 Flywheels of inertia;

6. Power Chain in electric vehicles (EV) and hybrid electric vehicles (HEVs);
6.1 transmission components;
6.2 power chain dimensioning;
6.3 Regenerative braking;
6.4 Analysis of consumption and autonomy of EV and HEV;

Evaluation Methodology
Written test in any of the assessment seasons and a project. Both worth 50% of the final mark

Bibliography
- Dente, A. e Palma, J. (2008). Accionamentos Electromecânicos de Velocidade variável. (Vol. 1). Portugal: Fundação Calouste Gulbenkian
- Gillespie, T. (1992). Fundamentals of Vehicle Dynamics, Society of Automotive Engineers. (Vol. 1). USA: SAE International
- Husain, I. (2003). Electric and Hybrid Vehicles, Design Fundamentals. (Vol. 1). USA: CRC Press

Teaching Method
Lectures and analysis of theoretical-practical case studies

Software used in class
Matlab and Microsoft Excel

 

 

 


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