- Introduction & Overview: Learning goals. The role of electromechanical drives in mechatronic positioning systems. Some application examples as preview of the course subjects with a little recap of METRON 1,2.
- 'Working with' Electricity and Magnetism: Maxwell Equations and Lorentz Force. Ohm’s and Hopkinson’s law: Electric and magnetic modeling with “circuits” consisting of sources, resistances/reluctances, permanent magnets and ferromagnetic parts.
- Power electronics for actuation: Basic analogue power electronics. Semiconductors, Switching diodes, Power transistors and MOSFETS, Linear and Switching electric power conversion. Energy flow in two directions.
- Electromagnetic actuators and electromotors: Recap Day1. Basic terms and properties of electromotors and actuators, efficiency, thermal dissipation, performance figures of merit.
- Lorentz actuators and related electronics: Flux linkage vs Lorentz law. Force vs position dependency, current density, dynamic stiffness, damping, current control. Multi DOF actuation. Electrical properties, impact of actuator self-inductance. Amplifier - actuator matching, jerk and snap. Design issues with current amplifiers. Current noise.
- Reluctance actuators and related electronics: Non-linear force, magnetic energy, force of magnetic field, linearization by balancing and feedback. Flux control, permanent magnet biasing, Fast Tool actuator, Magnetic Bearings.
- Examples of real motors and actuators: Recap Day 2. Mechanical and electronic commutation. Standard rotating motors. Practical issues. Amplifier-actuator interaction demonstrated on real hardware. Drive control in the first successful hybrid car (Toyota): A useful side effect of current control.
- Recent drive system developments: Commutated systems, long stroke actuators, phi-z actuator, planar motor concepts, parasitic phenomena (cogging and end effects), wireless energy transfer.
- Wrap-up and closure: Language: Dutch or English (depending on the participants).