Moscow Researchers Revolutionize Indoor Climate Control with Nonlinear Models

In the ever-evolving world of construction and energy efficiency, a groundbreaking study published in the *Magazine of Civil Engineering* (translated from Russian as *Journal of Civil Engineering*) is set to redefine how we approach indoor climate control. Led by Samarin Oleg from the Moscow State University of Civil Engineering (National Research University), this research delves into the complexities of temperature regulation in buildings, offering insights that could significantly impact the energy sector.

The study tackles a longstanding challenge in the field: the accurate mathematical modeling of transient temperature processes in rooms equipped with automated climate control systems. Traditional linear models often fall short, leading to significant errors in predicting indoor temperature behavior. Samarin Oleg and his team have addressed this issue head-on, proposing a nonlinear approach that uses differential equations of the Emden–Fowler type to describe these processes more accurately.

“One of the most complicated variants we considered was the use of a combined proportional-integral control law in air conditioning systems without local heating or cooling,” explains Samarin Oleg. “This approach allows us to obtain solutions in a parametric form, which includes a generalized dimensionless parameter of the automated climate control system.”

The research reveals that increasing the integral component of the control system reduces both the dynamic error—the largest deviation of the room temperature from the setpoint—and the control time. This finding has profound implications for energy efficiency, as it suggests that more precise temperature regulation can be achieved with less energy expenditure.

The study also presents universal dependencies for indoor temperature behavior based on room characteristics and regulator parameters. These dependencies, derived from reducing the solution to a dimensionless form, are practical tools for engineers and designers. The calculations performed for a typical room were compared with experimental data, confirming the reliability and applicability of the results for mass design.

The implications of this research extend far beyond academic circles. In an era where energy efficiency and sustainability are paramount, the ability to optimize climate control systems can lead to substantial energy savings and reduced carbon emissions. For the construction industry, this means more efficient building designs and lower operational costs. For the energy sector, it opens up new avenues for developing smarter, more responsive climate control technologies.

As we move towards a future where energy efficiency is not just a goal but a necessity, the work of Samarin Oleg and his team offers a beacon of innovation. Their research, published in the *Magazine of Civil Engineering*, provides a robust framework for improving climate control systems, paving the way for more sustainable and energy-efficient buildings.

In the words of Samarin Oleg, “This research is a step towards more precise and efficient climate control, which is crucial for the future of sustainable construction.” As the industry continues to evolve, the insights gained from this study will undoubtedly shape the development of new technologies and practices, driving the energy sector towards a more sustainable future.

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