Development of a digital signal processing model using a frequency synthesizer and synthesis of quadrature conversion circuits

Jumaev, Odil; Mahmudov, Giyosjon; Shermurodova, Malika; Abdujalilov, Azimjon

doi:10.1051/e3sconf/202341901003

E3S Web Conf.

2023

DOI: 10.1051/e3sconf/202341901003

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Development of a digital signal processing model using a frequency synthesizer and synthesis of quadrature conversion circuits

Odil Jumaev,

Giyosjon Mahmudov,

Malika Shermurodova

et al.

Abstract: An important issue of improving the quality of the functioning of measuring systems is the improvement of the conversion methods and the algorithmization of the processes for eliminating various noises and interferences that arise in the tasks of analog-to-digital information conversion.The article analyzes the algorithms for assessing the accuracy of digital signal processing (DSP) in a complex of issues due to the development of digital and digital-analog element base, as well as the development of methods a… Show more

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2024

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Cited by 3 publications

References 12 publications

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Improving the quality of signals using an adaptive filter

Ismoilov,

Rakhimov,

Orziyev

et al. 2024

E3S Web of Conf.

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Nowadays, in the automation of technological processes, many digital devices are used in all areas of the industry, especially in the mining sector. With the high accuracy of digital devices, they are still affected by noise and interference, which can lead to a measurement device error. Therefore, many filters are used in the industry. The purpose of using filters is to reduce the amount of interference that affects. The article outlines an algorithm for forming noise affecting precision indicators of automation of technological processes using adaptive filters, which allows measuring instruments to reduce errors. Such a type of noise reproduces a useful signal specter and limits the possibilities of its debugging.

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Improving the quality of signals using an adaptive filter

Ismoilov,

Rakhimov,

Orziyev

et al. 2024

E3S Web of Conf.

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Fuzzy-logic system for regulating the temperature regime of a bioreactor in the process of bacterial oxidation

Jumaev,

Makhmudov,

Isabekova

et al. 2024

E3S Web of Conf.

Self Cite

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In this article, a simulation model of an intelligent control system for a bioreactor used in the bacterial oxidation process of sulfide deposits with complex, gold-enriched content is developed using the functional blocks from the Fuzzy Logic Toolbox library in the MATLAB software package. Furthermore, the mathematical model of the bioreactor is represented through its transfer function in the significant adjustment channel. A rule base is established to regulate the variation of input and output parameters for the fuzzy control system. The study reveals that employing a fuzzy controller for bioreactor systems is an effective method for system adjustment.

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Intelligent vector-frequency control system for asynchronous electric motors

Jumaev,

Arziev,

Turaev

2024

E3S Web Conf.

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This article analyzes the main directions and principles of developing a mathematical model for creating an intelligent system for vector-frequency control of asynchronous electric motors. Particular attention is paid to the development of a frequency converter structure that allows the implementation of an energy-saving algorithm in a direct torque control (DTC) system to reduce stator current consumption from the power source. This approach guarantees stable operation of the electric motor under various load conditions and voltage changes in the electrical network. The synthesis of a speed control system and current control loops are considered and generalized models of a vector control system are developed using the Matlab software package and the main Simulink library.

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Development of a digital signal processing model using a frequency synthesizer and synthesis of quadrature conversion circuits

Cited by 3 publications

References 12 publications

Improving the quality of signals using an adaptive filter

Improving the quality of signals using an adaptive filter

Fuzzy-logic system for regulating the temperature regime of a bioreactor in the process of bacterial oxidation

Intelligent vector-frequency control system for asynchronous electric motors

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