OPTIMIZING FOR SPEED AUTOMATIC FREQUENCY CONTROL OF QUARTZ CRYSTAL OSCILLATOR FOR SYNCHRONIZING SIGNAL CONTROL SYSTEMS
Journal Title: Енергетика і автоматика - Year 2018, Vol 0, Issue 3
Abstract
Actual in today's conditions is the development, research and optimization of hardware and software to create an effective system for automated monitoring of clock signals, which are used in high-tech systems of various industries. The purpose of the work is to study modern solutions for improving the quality of continuous monitoring of clock signals by the parameter of time interval error (TIE), relative to the reference signal, by optimizing the process of phase-locked loop of a quartz oscillator, which is an integral part of the primary converter of the system for automatic monitoring of clock signals. To ensure, in automatic mode, a continuous monitoring of the TIE of the clock, a block of the TIMETER primary transfer unit was developed using an optimal PLL and an adaptive digital phase discriminator (ADPD). Simulation of the system using the Simulink program of the MATLAB package was carried out, which confirmed the theoretical positions obtained. The use of the ADPD, which is protected by the patent of Ukraine for the invention, ensures optimal control of the form of the discriminative characteristic, the minimum duration of the transient process of the auto-tuning of the frequency of the quartz generator, improves the quality parameters of the reference signal of the automated control system. The use of the TIMETER in the automatic mode provides high-quality control of the clock signals by performing simultaneous multichannel measurements of the OBD with respect to the reference signal (reference). The system provides direct, independent and reliable results of monitoring synchronization signals with centralized control and accumulation of data, allows not only to find and localize problems in the timing of the timing in a timely manner, but also, using statistical methods of information processing, to predict their quality and stability
Authors and Affiliations
Д. О. Кальян, В. В. Коваль, Ю. А. Максименко, О. В. Самков, В. Г. Дубович-Костецький
Keywords
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- EP ID EP326523
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