Smart Homes with Wireless Sensor and Actuator Network Technologies

A Wireless Sensor and Actuator Network system (WSAN) is a collection of sensors that assemble data about their surroundings and actuators, for example, servos or engines that interface with them. All components impart remotely; communication can be self-sufficient or human-controlled. WSANs are at times called wireless sensor and actor networks in light of the fact that they can include more than a solitary actuator on an on-screen character point. An on-screen character point may include, for instance, a mix of servos and multi-adapted electric engines sorted out together to perform more intricate undertakings. A WSAN’s dispersed sensors take into consideration computerized estimation of ecological variables and control of some fancied parts of the environment through self-sufficient or specifically controllable sensors and actors. An improvement of servomechanism to automatically supplies and transmits a measured amount of energy for the operation of another mechanism or system without continuous input from an operator is called progressive automations electric actuators.

Figure 1. Showing an Electric Actuator

SMART OFFICE

Universal Mobile Telecommunication systems (UMTS) mobile devices have a Zigbee air interface. Zigbee enabled devices interact with other mobile terminals distributed over the offices both in the corridors and inside the office. The devices which are Zigbee-enabled can provide logistical information and localization of a nearby device such as laptops, Printer, etc. These devices in order for their information to be, provided they must have Zigbee enabled at a lower expense the devices can communicate other nodes distributed in the environment. This can help the employees in an office to monitor portable devices and get the device information status. Monitoring and fetching of device information, can also be done through the web. It’s done by implementing the web services in the intranet of the building with the offices. The employee or the user in the office gets requests through a series of links from devices, on the lower cost to the expensive one that is the lowest level to the highest, or from the access ports transporting the information data to the internet or intranet.

Figure 2. Showing a Smart office setup which features video and audio communication, access control, desk and meeting room registration, digital signage, and floor plans

SMART HOMES

Home automation has a quality of admirable features like the ability to put the lights on and off remotely without necessarily having a light switch. Also home automation can aid in monitoring some rooms in the house, for instance, when a child is sleeping in the bedroom and one is in the sitting room. Smart homes can apply and acquire knowledge about human surroundings and adapt to it. Some of the knowledge is like having a fresh cup of coffee for breakfast in the kitchen. Smart homes are fitted with intelligence capabilities of computing and decision making. With the advance of its technology, it allows problems detection and emergency situations to be easily detected before they happen.

Figure 3. Showing Zigbee network technology used in wireless lighting and wireless door switching

There is no much different in smart homes and ordinary homes. They only difference is that smart homes have installed communication structure that allows various devices in homes to communicate with each other. Home automation offers a variety of home functions such as lighting of lights, heating or boiling and fresh air ventilation. Home automation has contributed in a better quality of life and has created sustainable and interactive adaptation of the environment to satisfy the needs of people. The home automation’s main purpose is to improve the living standards and the social environment of the people.