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 (1)(2)
(1) Docente Responsável
(2) Docente que lecciona
Prerequisites
Not applicable.
Objectives
To develop dynamic models for the characterization of the mechanical load assembly, electric machine, electronic converter and power supply;
Design and analyze the performance of industrial drives and electric drive vehicles, according to the specific requirements set by the load and power supply;
Design and dimension control and control solutions for drive systems, using electronic power converters, based on rotating electric machines (DC, asynchronous and synchronous).
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
A written test in any of the periods and a project. Both are worth 50% of the final mark. The approval in the discipline implies a classification higher than or equal to 10 points in the written test.
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
