The new coronary pneumonia epidemic has brought unprecedented challenges to city management and infrastructure operations. However, the different applications of big data, artificial intelligence, 5G and other technologies in the epidemic have also allowed us to see the huge potential that digital and intelligent technologies have given city management, bringing opportunities for the development of more urban digital application scenarios. In the context of China's promotion of "new infrastructure", the in-depth integration of advanced technologies such as artificial intelligence and the Internet of Things and infrastructure will vigorously promote the transformation and upgrading of power grids, buildings, transportation and other fields to create more efficient, more resilient and more Livable smart city.

As one of the core infrastructures of the city, the building's intelligence will be an important part of the future smart city. The spread of the epidemic has made "house life" a new normal. Whether it is to accompany family members at home or actively participate in resumption of production, building construction has built a safety barrier for people and provides a space environment for study, work and life. . Therefore, we also look forward to the seemingly silent building being able to "spirit" with us to create a more comfortable, safer, more energy-saving and environmentally friendly perfect space.

So, how can you make buildings “smart”? Today, with the popularization and maturity of building automation technology, intelligent infrastructure, cloud technology, and many innovative technologies such as artificial intelligence, Internet of Things, and digital twins, buildings become keen and intelligent.

Real smart buildings should be "people-oriented" to better serve people. Therefore, in the building design and construction phase, people can use digital twin technology to capture static data of the building, and then use visualization and simulation to design the best evacuation route, spatial layout and energy consumption plan, and improve the efficiency of construction engineering. In the future, the application of digital twin technology can not only dynamically adjust building functions to adapt to changing user needs or weather conditions, but smart buildings can even monitor and warn of fires to protect people's lives and property.

Real smart buildings should not only be able to understand and interact with the external environment, but also have the ability to learn and adapt. By deploying IoT devices, buildings can capture a large amount of data in time to gain insight into the surrounding environment and proactively respond to people's needs. At the same time, they can provide feedback information by analyzing the data generated by buildings and devices to help people achieve scientific decision-making and fine management. For example, intelligent buildings can monitor temperature, humidity and external weather conditions to achieve independent optimization, providing people with the most suitable room temperature and the best air quality. At the same time, it can also help managers improve operational efficiency, apply predictive maintenance, and make adjustments based on dynamic simulation results.

Real smart buildings should be able to help reduce energy demand by minimizing energy consumption. As a major energy consumer, building construction accounts for more than 27% of China's total energy consumption. It is expected that by 2030, this proportion will reach 40%. Therefore, energy saving and emission reduction of buildings are of great significance to the sustainable development of the economy and society. According to the "China Intelligent Building Industry Development Report" statistics, China's existing buildings amount to 40 billion square meters, and only 1% are energy-efficient buildings. In the future, intelligent buildings can automatically adjust the lighting and HVAC solutions based on the actual use of the room, lighting conditions and temperature. Compared with ordinary buildings, this will reduce the ecological footprint by up to 80%.

 Looking ahead, the development of intelligent buildings is full of unlimited potential. For example, if building and cross-domain power grid data can be shared, buildings will not only become energy consumers, but also become intelligent producers and consumers, playing a new role in the energy system.

In the field of building infrastructure and services, human society is entering an era of great changes. Sensors, digital technologies, and the seamless connection of smart infrastructure and the Internet of Things have brought new opportunities for building owners, users, and managers to reduce costs, improve user experience, and respond to climate change. In the future, smart buildings will be able to self-perceive and predict user needs, be more flexible and more personalized, and work with users and their communities to build smart communities to build a new smart city ecology in a comprehensive manner for people's better life ,and also provides more help for the sustainable development of society.