Smart Automation and Monitoring System
04 Apr 2013-pp 141-147
TL;DR: This project involves automation of electrical devices based upon the presence of an occupant using Zig bee transceivers and a GUI interface for the users to control the devices and also to monitor the status of the devices.
Abstract: This project involves automation of electrical devices based upon the presence of an occupant. The number of persons going in and out of a room is counted using a counting mechanism. A home network is created using Zig bee transceivers. In every room a Zig bee transceiver known as end device is placed which is controlled by the Zig bee coordinator. The central computer has a GUI interface for the users to control the devices and also to monitor the status of the devices. For providing remote access to the user a GSM modem is interfaced with the central computer. For powering the End device present in the room solar energy is harvested.
••21 Jul 2011
TL;DR: The reasons for this slow adoption of home automation systems are identified, the potential of Zig-Bee for addressing these problems is evaluated and the design and implementation of flexible home automation architecture is evaluated.
Abstract: In recent years, the home environment has seen a rapid introduction of network enabled digital technology. This technology offers new and exciting opportunities to increase the connectivity of devices within the home for the purpose of home automation. Moreover, with the rapid expansion of the Internet, there is the added potential for the remote control and monitoring of such network enabled devices. However, the adoption of home automation systems has been slow. This paper identifies the reasons for this slow adoption and evaluates the potential of Zig-Bee for addressing these problems through the design and implementation of flexible home automation architecture. Device control is a process that is done in the day to day life of mankind. Usually there are a number of devices associated with home and an efficient control of these systems is a tedious task. The rapidly advancing mobile communication technology and the decrease in costs make it possible to incorporate mobile technology into home automation systems.
••10 May 2011
TL;DR: A way to reduce the standby power of a socket that uses an MCU, which receives signals from a PIR sensor which detects the user approaching the socket, and which has internal modules to simplify the hardware circuit design.
Abstract: This paper further enhances our previous research into reducing the standby power consumption of electric home appliances. Turned-off electric home appliances generally still require standby power when they are plugged in. We present a way to reduce the standby power of a socket. Our socket supplies the appliances with power when the user turns them on. When the user turns them off, our socket shuts the electric power off and thus reduces the standby power. Our design, which uses an MCU, receives signals from a PIR sensor which detects the user approaching the socket. The MCU controls the SSR On/Off when used as an appliance switch for shutting off the standby power. A load current sensor circuit provides a signal to the MCU to keep the SSR on until the appliance has finished its work. The MCU monitoring program provides both automatic detection of the user by the PIR sensor and detection of load current. The MCU has internal modules to simplify the hardware circuit design. The circuit component count, cost and power consumption are less than those of our previous design. The standby power consumption of an appliance with our new design is 7 mW.
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