I.I. Naumov1, A.Yu. Nikulichev2, A. G. Leshchenko3, D. A. Zhenovachev4

1-4 Don State Technical University (Rostov-on-Don, Russia)
1 naumov-85@yandex.ru; 2 nikulichev@list.ru; 3 leshenko_ant@mail.ru, 4 zhenovachev@yandex.ru

Intelligent phytolighting control systems play a key role in improving the efficiency of modern agricultural production. Dynamic regulation of the spectral composition and light intensity allows for optimization of plant growth conditions. However, widely used wireless control channels are vulnerable to interference and electronic warfare, posing risks to the reliability of agricultural complexes. Wired systems, in turn, increase the cost and complexity of installation.

Objective – to develop and describe the architecture of a robust and scalable dynamic phytolighting system that uses the existing power supply network (PLC technology) to transmit control signals, thereby eliminating the shortcomings of wireless and traditional wired solutions.

The system is based on a technology for transmitting addressable commands over the power supply network. This method involves phase modulation of the network voltage: controlled electronic switches generate command markers by cutting off half-waves of the voltage. Command receivers (CSRs) built into each phytoluminaire detect these markers and decode the information, counting the number of half-waves between them. Spectrum control is implemented via PWM signals or digital interfaces (DALI, UART) of the LED power supplies. The proposed system provides addressable and group control of phytoluminaires, including brightness settings in various spectral ranges and the ability to manage lighting scenarios. Key advantages include high noise immunity, independence from radio interference, reduced installation costs due to the absence of additional cables, the ability to easily scale and reconfigure control groups, and enhanced cybersecurity.

The use of PLC technology represents a promising alternative to existing phytoluminaire control systems. The developed solution ensures the reliability required for critical agricultural facilities and meets information infrastructure protection requirements, contributing to the development of sustainable and secure agricultural technologies.

Naumov I.I., Nikulichev A.Yu., Leshchenko A.G., Zhenovachev D.A. Control of dynamic phyto-lighting using the technology of transmitting addressable commands over the power supply network // Science Intensive Technologies. 2026. V. 27. № 4. P. 12−21. DOI: https://doi.org/ 10.18127/j19998465-202604-02

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