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Development of a Reference Device for the Calibration of Optical One-Shot Time-Interval Measurements (CROSBI ID 319643)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Kuhinek, Dalibor ; Bratko, Tomislav ; Vukošić, Hrvoje ; Gavranić, Ivica Development of a Reference Device for the Calibration of Optical One-Shot Time-Interval Measurements // Electronics (Basel), 12 (2023), 2; 1-14. doi: 10.3390/electronics12020439

Podaci o odgovornosti

Kuhinek, Dalibor ; Bratko, Tomislav ; Vukošić, Hrvoje ; Gavranić, Ivica

engleski

Development of a Reference Device for the Calibration of Optical One-Shot Time-Interval Measurements

This paper presents the development of a device that creates two or more light pulses with a precision time delay in a range from microseconds to several seconds and for the purpose of the calibration of velocity of detonation (VOD) measurement instruments. The device was assembled, programmed, and tested for functionality. Measurements were conducted using a reference counter. First, a precision OCXO (oven-controlled crystal oscillator) was used as a clock source. For verification of programmed subroutines, a counter oscillator output port was used as a source of clock signal for the microcontroller. This enabled the cancellation of possible oscillator errors. The signal had to be converted from an AC sine signal to a signal with positive values only using a clamper circuit. By the proposed solution, a calculable standard of time delay between two light pulses was achieved. According to the obtained results, this device can be used to calibrate field measurement devices for VOD measurements in explosives or some other use where the measurement device records the time interval between multiple light pulses. This enables more confidence in measurement results, faster recognition of instrument drift and increases the quality of measurement

velocity of detonation measurement ; electronic detonation speedometer ; precision time delay/interval generation

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Podaci o izdanju

12 (2)

2023.

1-14

objavljeno

2079-9292

10.3390/electronics12020439

Povezanost rada

Elektrotehnika

Poveznice
Indeksiranost