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How Does Sensor Technology Help with Presence Detection?

By Enterprise Technology Review | Thursday, December 19, 2019

With the help of 5G networks, small, inexpensive, battery-powered, and IoT-caged sensors can be quickly connected to create new and more efficient presence detection in the construction and real estate sectors, for example.

FREMONT, CA: A rapid development of technology within the Internet of Things (IoT) means that we can connect more and more things in our daily lives. The connection is made using a gateway or hub capable of collecting data from a large number of sensors and then forwarding it to the cloud via, for instance,5G.

In this connected world, the IoT and sensors will be the preconditions of each other in several technological solution areas. Smart homes and buildings are one of those fields. The progress is very rapid, from older sensors that control a relay that controls the lightning network to a whole new generation of sensors. This can send data to just one gateway, which in turn controls the lamp.

Pyroelectric Sensors Provide Limited Presence Detection

With pyroelectric sensors, most of the sensor systems currently used for presence detection are built. But their properties are restricted and can only feel temperature changes, making them less suitable for areas where, for instance, a user is expected to stay in a room or in front of a computer. On the other hand, by monitoring heat radiation, a new type of sensor could detect human presence. In this way, identifying immobile people in a room or office space or fronts of a unit like a computer or a tablet would be much better.

Several New Applications Within Construction and Property Save Energy and Increase Safety

Common areas of use include detection of smoke and gas, motion, absolute temperature measurements, measurement of heat, and control of heat-sensitive parts and plumbing. Many areas include, for example, smart offices or public spaces such as libraries to decide if a location is empty or not. By using a sensor to wake up the device, only if someone is present,  and can minimize energy consumption and thus extend the battery life. Such sensors could also be used to activate biometric authentication systems, such as scanning fingerprints or recognition of facial and iris, which consumes a lot of energy when active.

Nanotechnology Makes Sensors Thin, Flexible and Cost-Effective

This new sensor form is based on nanotechnology, which provides several benefits. It measures just 0.17 mm in thickness and is composed almost entirely of plastic. The piece of plastic is very robust and can be used without the metal housing or protective cover that is often used on conventional sensors. The sensor is also flexible, as well as thin and robust, but it is cost-effective to produce in large volumes. This makes it suitable when measuring temperature or heat flow for all types of applications that require small sensors.

See Also :- Top IoT Solution Companies
 

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