Introduction:

In this century, the development of anything is inseparable from the assistance of technology, and cities are no exception. A smart city is a technologically modern urban area that uses devices to collect data, and the system will analyze these data and draw conclusions that are helpful for urban development and operation. Meanwhile, it can create more revenue for the city.

Involved areas

Smart city starts with the analysis of factors such as the flow of people, traffic, weather, etc., and then analyzes and gives relevant suggestions on aspects such as traffic, environment, water and electricity systems, nature, garbage recycling, crime, community services, etc (Wikipedia,2023).

Examples:

Smart transportation

Smart transportation is a transportation-oriented service system that fully utilizes modern electronic information technologies such as the Internet of Things, cloud computing, artificial intelligence, automatic control, and mobile Internet in the transportation field (Smart energy for transportation and health in a smart city,2023).

Figure 1: Singapore transportation system

The city-state of Singapore has long stood out among Smart Cities–after all, the nation introduced Electronic Road Pricing back in 1998 and appointed the world’s first smart nation minister in 2014. Singapore also dedicated an impressive $12B to transportation development in 2018. Much of that was devoted to developing a smart infrastructure with sensors for traffic management and preventative maintenance. Integrated, real-time traffic information forms the backbone of Singapore’s Intelligent Transit System (ITS), providing what the country’s Land Transit Authority calls a “dynamic, real-time picture of the ebb and flow of a population moving through their daily lives.” While most cities simply use the wealth of real-time data to make decisions internally, Singapore actually shares the data with other stakeholders. For example, motorists gain insight via the Expressway Monitoring and Advisory System (EMAS) and a guided parking system. Commercial traffic service providers and other industry entities also have access to real-time data. Given the sophistication of Singapore’s real-time traffic monitoring, it’s no wonder that the city is one of the least congested in the world.

City security

Figure 2: Internet of things diagram

The popularization and application of Internet of Things technology has enabled urban security to evolve from a simple security protection system in the past to a comprehensive urban system. Urban security projects cover many fields, including streets and communities, buildings, banks and post offices, road monitoring, motor vehicles, Police officers, moving objects, boats, etc. Especially for important places, such as airports, docks, water and electricity plants, bridges and dams, rivers, subways and other places, the introduction of IoT technology can establish a full range of three-dimensional protection through wireless movement, tracking and positioning. It is a comprehensive system that takes into account the overall urban management system, environmental protection monitoring system, traffic management system, emergency command system and other applications. Especially with the rise of the Internet of Vehicles, more rapid and accurate tracking and positioning can be achieved in public transportation management, vehicle accident handling, and vehicle theft prevention. You can also obtain more accurate disaster accident information, road flow information, vehicle location information, public facility safety information, meteorological information and other information sources through vehicles anytime and anywhere.

Smart energy system

Aiming at physical clean energy and based on China’s smart grid, a new energy network is formed by highly integrating modern advanced sensing and measurement technology, communication technology, information technology, computer technology and control technology with clean energy. With the purpose of fully meeting users’ needs for energy and optimizing resource allocation, ensuring the security, reliability and economy of energy supply, meeting environmental constraints, ensuring energy quality, and adapting to the development of energy marketization, we strive to achieve reliable, economical and Clean, interactive energy supply and value-added services (Smart city 2.0 strategies and innovations for city development,2023).

Figure 3: Optical storage and charging smart building

Figure 4: Wind, solar, energy storage and hydrogen fusion

Figure 5: Cold, hot, electric and hydrogen multi-energy complementary smart factory

Figure 6: Smart campus with energy router as the core

Conclusion:

In conclusion, in recent years, with the strong support of science and technology, smart cities are developing rapidly, and many countries have introduced relevant policies to assist their development. At present, almost all industries have felt the benefits brought by smart cities, making urban management, public safety, and municipal services more efficient and convenient. As a designer, we should also keep up with the development of the times to create better works.

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