Abstract
Smart home is an intelligent home network whose services and infrastructure are based information and communication technology. It is an intelligent use of wireless technology for the implementation of automated home electrical/electronic appliances and devices, domestic tasks, and security devices, for the wellbeing of the occupant. However, the development of smart homes has focused mainly on building for the young and able-bodied persons for the purpose of enhancing home comfort, energy saving, and security, without considering the aged and disabled persons in Africa. The Smart Home System were implemented in existing home environments, with the automation focusing on recognition of voice commands and uses low-power RF wireless communication modules along with a microcontroller for message passing. The system consists of voice recognition module for voice input and recognition. The control signal of the recognized command is transmitted to the microcontroller, and the microcontroller uses this signal to control home appliances. The designed system was tested and the result showed that the level of system response is higher in dead home than in a live home, hence, the system performance is affected by the environmental noise and the accents of un-trained aged persons are not supported by it. This system is most suitable for the aged and the disabled persons living alone and is intended to control all lights and electrical appliances inside a house using voice commands. In this work a home automation control system based on voice recognition was designed, implemented and experimental tests done and results were obtained.
Highlights
The notion of smart home was introduced due to the conception of intelligent implementation of consumer electronic devices, electrical equipment, and security devices, automation of domestic tasks, easy communication, and human-friendly control, as well as safety
The voice commands of the aged beneficiaries were encoded into the system, through the process known as system training, and the tests to determine the distance of the voice input device effectiveness from the user, find the level of systems response and accuracy were carried out
These tests were done in an empty home, while, a live home has the same content as the empty home, but with television on, people talking with background music coming from a stereo, curtains were open and external noise outside home were experienced during the test period
Summary
The notion of smart home was introduced due to the conception of intelligent implementation of consumer electronic devices, electrical equipment, and security devices, automation of domestic tasks, easy communication, and human-friendly control, as well as safety. The worlds aged person’s population has grown at an accelerated pace, and 2009 projections gave an estimated 737 million persons were aged 60 years and above, which nearly two thirds of whom lived in developing nations This number is projected to increase to 2 billion in 2050 [1]. It is obvious that the solutions to the problems of this aged persons cannot be solved by increasing the number of caregivers, rather can significantly be reduced by the deployment of various modern assistive technologies, through building of smart homes This proposed project aimed at developing smart home that will meet the increasing needs of this group of persons in their home environments. The project tends to use the available advanced technological devices to achieve a smart home for the aged persons to meet their special needs
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