Academic year/semester: 2024/25/2

ECTS Credits: 6

Available for: Only for the faculty’s students

Lecture hours: 2
Seminarium:0
Practice: 0
Laboratory: 2
Consultation: -

Prerequisites: Instrumentation-automation 1.

Course Leader: Árpád Varga

Faculty: Kandó Kálmán Faculty of Electrical Engineering, 1084 Budapest, Tavaszmező utca 17.

Course Description:

Competences:

Topics:
Aims, tasks, methods and devices of measurement of non-electric quantities in
general. Proper conditions of measurement execution. Transducer types and
overall characteristics. Construction and connection modes of sensors and
transducers, standardized output signal levels. Overview of methods and
instruments for measurement data acquisition and storage. Precision of
measurement devices and measurement errors, Ingress Protection (IP) marking.
Static and dynamic characteristics and calibration of measurement devices.
1. 2
Measuring spatial distance: continuous distance vs. level measurements.
Proximity, reference and limit switches: mechanical, inductive and capacitive
types. Relative and absolute encoders for measuring distance and rotation angle.
Ultrasonic and optical distance sensors, light barriers. Measurement of liquid and
pellet level in reservoirs: mechanical, ultrasonic and resistive solutions.
2. 2
Concept of force and torque measurement. Reduction of force/torque
measurement to mechanical deformation: strain gauges, optical displacement
methods, piezo-principle. Construction of compact force/torque measurement
cells, multi axis force and torque measurement devices. Reduction of force/torque
measurement to magnetic properties, magneto-elastic cells.
3. 2
Measurement of angular velocity. Stroboscopes, DC/AC tachogenerators, optical,
magnetic tachometers. Application example: Antilock Braking System (ABS)
sensors, used in automotive industry. Vibration measurements. Role of vibration
measurement and analysis in failure diagnostics. Accelerometers: piezoelectric,
electromagnetic types. Dynamic characteristics of accelerometers. Optical
vibration measurement methods.
4. 2
Basics of heat propagation in solids, liquids and gases (conductivity, convectivity,
radiation). Temperature measurement devices: resistance thermometer,
thermistors, thermocouples, thermal cameras. Construction of thermic
transducers, calibration.
5. 2
Temperature measurements in liquids, gases and on solid surfaces. Main optical
quantities (wavelength, intensity), spectral properties. Light sensors: photocells,
photoresistors, phototransistors, photodiodes, color sensors. Role of “smart”
cameras in production quality control.
6. 2
Theoretical test 1. 7. 2
Concept of measurement of absolute and differential pressure. Mechanical
construction of pressure transducers, conversion possibilities of pressure to
electric signal (deformation, resistive, capacitive, piezo-principles).
8. 2
Basic quantities of flow measurement: static/dynamic pressure, local speed,
volume and mass flow rate. Local speed measurement: Pitot-static tube. Volume-
flow rate measurement: Venturi-tube, orifice flow meters. Proper configuration of
measurement sections, concept of mechanical losses in fluids, possible
compensation methods.
9. 2
Special volume and mass flow rate measurement devices: turbine flow meters, 10. 2
magneto-hydrodynamic (MHD), ultrasonic flow meters. Concept of Coriolis-
principle, operation of Coriolis flow-meters. Flow-meters based on thermal
conductivity. Comparison of different flow meters from viewpoint of usability.
Modern MEMS (Micro Electro Mechanical) sensors: angular orientation sensing
(gyro sensors), multi-axis acceleration measurement used in “smart” consumer
electronic devices. Several industrial method and device for orientation and
acceleration measurement.
11 2
Theoretical test 2. 12 2
Theoretical test retakes 13 2
Exam consultation. 14 2

Assessment: Tests

Exam Types:

Written Exam

Compulsory bibliography:

Recommended bibliography:

Additional bibliography:

Additional Information: