Breathe deeply, please! C
How smart city solutions help bad air to vanish
ities, especially metropolises, are key elements in the development of measures that contribute to climate protection. This is due to almost half of the Earth’s population living in or on the edge of an urban area. Holistic concepts should promote sustainable development to ensure a lasting and sustainable supply of drinking water, food, energy, and infrastructure. One of the greatest challenges, as well as the greatest potential, lies in reducing CO2 emissions to improve inner-city air quality. The following article shows why technologies like the RDK3 from Rutronik play a decisive role in this, how they allow a smart city to breathe better, and optimise urban greening.
Collected data supports that automated ventilation of buildings can contribute to optimised air quality, particularly in urban areas, which can improve well-being and increase performance of the people working there. Measurements are taken
at predefined intervals via CO2 sensors at strategic positions both indoors and outdoors, for example on a street with a lot of traffic, or at workplaces that are wirelessly networked with an intelligent building control system via Bluetooth. Based on the data generated in this way, warnings or recommendations for actions can be issued in quasi-real time or carried out fully automatically if in a smart city/smart building environment, such as opening windows, ramping up the ventilation system, or activating UV-based air purifiers. This sensor data is able to provide additional information, for example to determine how many people are currently in a room. An algorithm compares the average increase in CO2 concentration caused by human breathing with the actual measured CO2 concentration.
Systematic and efficient solution finding A basis for such an application is the combination of the Base Board RDK3 and
“The RAB2 creates a resilient basis for deciding which sensor is best suited for the ultimate appli- cation development.”
the Adapter Board - RAB2 for CO2 sensor technology from Rutronik System Solutions. Based on the PSoC 64 Secure MCU with PSA support from Infineon, the RDK3 offers
FEBRUARY 2024 | ELECTRONICS FOR ENGINEERS 7
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