Intelligence and Automation to Drive Growth of Smart Cities

October 12, 2017

As smart commercial buildings become incorporated into the wider energy control networks of smart cities and linked to other aspects such as transport, water and air quality, the increasing intelligence and automation of buildings will play a key role in the smart cities of the future.

Growing Urbanization to Drive Smart Cities’ Expansion

During the next decade, the number of smart cities around the world is forecast to rise substantially, driven by the growing trend of urbanization as migration from rural areas accelerates. China and India alone are planning hundreds of smart city pilot projects.

Smart buildings and infrastructure combined are expected to account for more than 30 percent of the overall smart city market, according to Research and Markets, a Dublin-based business intelligence firm.

Many of the technological advances that promote efficiency and offer solutions to the challenges posed by increasing urbanization, such as water shortages, power deficits, pollution and inadequate waste water and sewage treatment capacity, are also driving the growth of the smart commercial buildings market.

Saving Energy

Energy efficiency and sustainability are major features of a smart building. Buildings on average consume about 30 percent of the world’s energy, and savings of up to a quarter of costs could be achieved by using advanced building management systems and analytics to optimize performance in areas such as ventilation, temperature, lighting and air quality.

Technological innovations in improving energy consumption, water usage and indoor air quality, as well as access to better data about how efficiently commercial buildings are run, can increase operational efficiency, limit costs and cut consumption of resources for owners and operators. However, the high cost of initial investment versus perceived value is still a concern affecting adoption rates.

Heating, ventilation and air conditioning (HVAC) systems are intended to detect automatically and respond intelligently to variables such as weather conditions, time of day and occupancy of the building, with the help of sensors and other data gathering equipment. For example, HVAC systems in smart buildings should be able to switch off lights automatically in areas where there are no occupants, or adjust the temperature according to weather conditions and the number of occupants in a room.

Other elements of a smart building include sensors for detecting motion, noise, moisture, temperature, humidity, fire and smoke, carbon dioxide and hazardous gas; integration with city wide water recycling systems and pneumatic waste disposal systems; remote surveillance, security and access control systems; and data infrastructure.

These complex and multiple interconnected systems need to communicate and coordinate with one another for buildings to work efficiently. Connectivity is ensured through the provision of a combination of wireless, fiber and mobile networks; distributed antenna systems (DAS) can extend wireless and mobile network coverage with additional antenna nodes.

Sensors Everywhere

There is a growing market for advanced occupancy sensors, carbon dioxide sensors, thermostats and photo sensors that can gather data about movement, heat, light and use of space to adapt to changing building conditions and make real-time alterations to a building’s environment. This helps to reduce energy use and improve air quality. Navigant Research, a US based market research and consulting firm, forecasts that global shipments of advanced sensors will grow from 1.8 million units annually in 2013 to 28.4 million units in 2020.

Internet of Things to Play Central Role

The technology which forms the foundation of today’s smart buildings is known as the Internet of Things (IoT). The IoT is a global network used to interconnect embedded objects or devices such as sensors and mobile devices that are able to communicate and to generate and share data with one another.

In smart commercial buildings, the IoT will enhance the capability of building energy management systems (BEMS) to optimize energy use. In addition, building management systems (BMS) involve the convergence of traditional and new hardware, software and services to improve the control and automation of building systems and manual procedures.

By 2020, there will be tens of billions of networked appliances and sensors worldwide. More than eight million BMS will be integrated with some form of IoT platform, application or service by 2020, making them part of a wider and integrated sensing and control network, according to a June 2015 report by ABI Research, an international technology intelligence company.

Converting Data into Decisions

The growing amount and variety of data generated by interconnected devices from various departments in smart buildings can provide added value in terms of better building performance, energy efficiency, space utilization and predictive maintenance costs.


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