Illumination systems are an important factor for
every aspect of daily life.
Lighting represents approximately onethird
of electricity use in commercial buildings.
As a result, there
is significant interest in reducing lighting energy use through
more efficient lighting systems, including controls.
As a result of
the change in illumination systems, Light Emitting Diode (LED)
lighting system has been widely used instead of traditional
illumination system.
With the rigid growth of technology in
semiconductor, it is believed that using LED as a lighting device
will be one of the new trends in the coming years.
Advanced
lighting control strategies have the potential to achieve even
greater energy savings and offer many advantages over simple
controls.
In this paper, a centralized wireless sensor network
control is proposed, which can be used to reduce the energy
consumption in an office workspace. By this method, the aim is to
meet the dual goals of user satisfaction and minimization of
energy consumption.
This system has an additional advantage of
working on a dc source, if the primary ac source is interrupted,
as in the case of power outage.
A sensor node consists of an LDR
sensor and MSP430F5438 microcontroller; a ZIGBEE wireless
network is used for wireless communication between the sensor
nodes and central controller.
Illumination systems are an important factor forevery aspect of daily life. Lighting represents approximately onethirdof electricity use in commercial buildings. As a result, thereis significant interest in reducing lighting energy use throughmore efficient lighting systems, including controls. As a result ofthe change in illumination systems, Light Emitting Diode (LED)lighting system has been widely used instead of traditionalillumination system. With the rigid growth of technology insemiconductor, it is believed that using LED as a lighting devicewill be one of the new trends in the coming years. Advancedlighting control strategies have the potential to achieve evengreater energy savings and offer many advantages over simplecontrols. In this paper, a centralized wireless sensor networkcontrol is proposed, which can be used to reduce the energyconsumption in an office workspace. By this method, the aim is tomeet the dual goals of user satisfaction and minimization ofenergy consumption. This system has an additional advantage ofworking on a dc source, if the primary ac source is interrupted,as in the case of power outage. A sensor node consists of an LDRsensor and MSP430F5438 microcontroller; a ZIGBEE wirelessnetwork is used for wireless communication between the sensornodes and central controller.
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