Industrial Electronic Institute in Warsaw Welding Department Warsaw University of Technology Institute of Ecological Electric Thermal Engineering Warsaw.

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Presentation transcript:

Industrial Electronic Institute in Warsaw Welding Department Warsaw University of Technology Institute of Ecological Electric Thermal Engineering Warsaw Poland in co-operation with: Computer Engineering Department ( Katedra Informatyki Stosowanej ) TECHNICAL UNIVERSITY OF LODZ Al. Politechniki 11, Lodz, Poland

Computerised System for High Temperature Measurements of Surface Properties Computer Engineering Department ( Katedra Informatyki Stosowanej ) TECHNICAL UNIVERSITY OF LODZ Al. Politechniki 11, Lodz, Poland

Important surface properties: of liquid and solid in contact are measured by this system. andsurface tensionwetting angle Measuring conditions:  wide range of temperatures: up to  different atmospheres 1800 o C

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system Vision unit

view-finder subsystem for the optical infrared filter changer lens CCD camera subsystem for the precise setting of the CCD camera

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system Vision unit

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE CONTROLLER TEMPERATURE MEASURMENT Specimen feeding device Block diagram of the system

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Melting process of palladium at a temperature of C Block diagram of the system

OPTICAL FILTER CHANGER PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Original image

OPTICAL FILTER CHANGER ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system PROCESSING ALGORITHMS IMAGE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Histogram

ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Thresholding Block diagram of the system PROCESSING ALGORITHMS IMAGE

ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Filtration Block diagram of the system PROCESSING ALGORITHMS IMAGE

ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Segmentation Block diagram of the system PROCESSING ALGORITHMS IMAGE

ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Specimen localisation Block diagram of the system PROCESSING ALGORITHMS IMAGE

ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Original image Histogram Thresholding Filtration Segmentation Specimen localisation Measurement of geometrical properties Measurement of geometrical Block diagram of the system PROCESSING ALGORITHMS IMAGE

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system Geometrical parameters of the specimen Surface tension calculation on the basis of Dorsey’s and Porter’s equations Wetting angle calculation

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE Block diagram of the system Geometrical parameters of the specimen Surface tension calculation on the basis of Dorsey’s and Porter’s equations Wetting angle calculation

PROCESSING ALGORITHMS IMAGE ADC PHYSICAL PARAMETERS DETERMINATION TEMPERATURE MEASURMENT TEMPERATURE CONTROLLER OPTICAL FILTER CHANGER PC COMPUTER SPECIMEN INFRARED FILTERS SET CCD CAMERA HEATING ELEMENTS FURNACE THERMOCOUPLE Block diagram of the system Geometrical parameters of the specimen Surface tension calculation on the basis of Dorsey’s and Porter’s equations Wetting angle calculation

INDUSTRIAL APPLICATIONS:  metallurgy  foundry  surface engineering  welding  glass-making industry  manufacturing of composite materials  production of tiles, varnishes and high-temperature paints, glasses and glazes

The results obtained are far more accurate than those obtained by means of the currently applied, extremely time consuming non-automatic methods and the operator’s subjective evaluation. The essential characteristic of the results obtained on the system is their repeatability.