Abstract
Wireless sensor networks (WSN) are currently being applied to energy conservation applications such as light control. We propose a design for such a system called a Lighting Automatic Control System (LACS). The LACS system contains a centralized or distributed architecture determined by application requirements and space usage. The system optimizes the calculations and communications for lighting intensity, incorporates user illumination requirements according to their activities and performs adjustments based on external lighting effects in external sensor and external sensor-less architectures. Methods are proposed for reducing the number of sensors required and increasing the lifetime of those used, for considerably reduced energy consumption. Additionally we suggest methods for improving uniformity of illuminance distribution on a workplane’s surface, which improves user satisfaction. Finally simulation results are presented to verify the effectiveness of our design.
Highlights
Wireless sensor networks have various applications that include habit monitoring [1], wildfire monitoring [2], and navigation [3,4]
Wireless sensor networks have been applied to energy conservation applications such as light control [5,6,7,8,9,10]
In this paper we propose a Lighting Control System (LCS) based on wireless sensor networks
Summary
Wireless sensor networks have various applications that include habit monitoring [1], wildfire monitoring [2], and navigation [3,4]. In today’s life, due to expanding social activities, people require reliable lighting during all hours of the day and night. Due to the limitations and rising cost of electrical energy production, it is becoming increasingly important to direct greater efforts into optimizing electrical energy utilization. Wireless sensor networks have been applied to energy conservation applications such as light control [5,6,7,8,9,10]. The logic of lighting control systems may include factors such as daylight intensity, which is measured by light-sensitive sensors [7].
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