ENT758: Magnetic Devices: Transducers, Sensors and Actuators
| School | Cardiff School of Engineering |
| Department Code | ENGIN |
| Module Code | ENT758 |
| External Subject Code | 100163 |
| Number of Credits | 10 |
| Level | L7 |
| Language of Delivery | English |
| Module Leader | Dr Fatih Anayi |
| Semester | Spring Semester |
| Academic Year | 2012/3 |
Outline Description of Module
- To provide students with an understanding of the principles underlying magnetic effects utilised in magnetic devices.
- To familiarise students with methods of selection of magnetic materials used in magnetic devices.
- To understand design aspects of magnetic devices and their industrial, medical and computing applications.
On completion of the module a student should be able to
- Describe some of the various applications of materials in energy conversion devices (transducers), sensors and actuators.
- State material properties of interest for various applications and choice of suitable materials.
- Describe magnetic sensor selection factors based on their applications.
- Classify and identify magnetic transducers and explain how they work.
- Identify the implications of the relations for satisfactory actuator and supply operating conditions.
- Outline the design features in nine types of actuator schemes providing constant forces.
How the module will be delivered
24 one-hour lectures.
Skills that will be practised and developed
- Evaluate the magnetic properties of materials used in sensors.
- Select magnetic materials used in devices (electrical machines, electronic systems, actuators and transformers).
- Report on the implementation of magnetic transducers in industrial, medical and computing applications including position sensors, current sensors, temperature sensors, torque sensors, security systems and non destructive testing.
How the module will be assessed
There are two components: Coursework and end of semester examination.
The module pass mark is 50%.
The module pass mark is 50%.
Assessment Breakdown
| Type | % | Title | Duration(hrs) |
|---|---|---|---|
| Exam - Spring Semester | 60 | Magnetic Devices: Transducers Sensors And Actuators | 2 |
| Written Assessment | 40 | Coursework | N/A |
Syllabus content
Basics of transducers.
Physical principles of magnetic transducers.
Classification of magnetic sensors.
Types of magnetic field sensors including Hall-effect, Magnetoresistive, Fluxgate, inductive, Induction coil and SQUID.
Magnetic properties of magnetoresistive materials used in sensors.
Magnetic properties of magnetostrictive materials used in actuators.
Factors considered in selection of sensors.
Magnetic material evaluation.
Design considerations.
Transducer performance and applications.
Actuator materials selection criteria.
Design of actuators.
Physical principles of magnetic transducers.
Classification of magnetic sensors.
Types of magnetic field sensors including Hall-effect, Magnetoresistive, Fluxgate, inductive, Induction coil and SQUID.
Magnetic properties of magnetoresistive materials used in sensors.
Magnetic properties of magnetostrictive materials used in actuators.
Factors considered in selection of sensors.
Magnetic material evaluation.
Design considerations.
Transducer performance and applications.
Actuator materials selection criteria.
Design of actuators.
Essential Reading and Resource List
Sensors and transducers, Ian R. Sinclair, Newnes, Oxford & Boston, 2001
Further Reading
Sensors- A Comprehensive Survey Vol. 5 Magnetic Sensors, Eds. R. Boll & K.J. Overshott, VCH, 1989.
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