A Robust Occupancy-Based Building Lighting Framework Using Wireless Sensor Networks

Abstract:

Wireless Sensor Networks are based on the ZigBee standard. ZigBee uses the IEEE 802.15.4 physical and MAC (medium access control) layers to provide standards-based reliable wireless data transfer. Also, ZigBee provides low-power wireless connectivity features. The features allow ZigBee-based products to be installed easily and cost-effectively. Thus, this technology has been attracting extensive research and development efforts to replace the traditional wired solutions for Building Automation Systems. However, wireless communications in indoor building environments are prone to be influenced by multiple concurrent factors, such as multi-path fading, channel contention, other radio interference, human activity and limited battery energy. Also, sensor detection is not fully reliable. Thus, system robustness is very concerning in these applications. In this paper, we propose a reliable wireless sensor network and an accurate occupancy detection mechanism. We implemented this system in an indoor building for the lighting control of public areas, including corridors, a coffee room and a washroom. The system framework was shown to be effective in terms of network communication reliability and sensor detection accuracy.

• Periodical: Applied Mechanics and Materials (Volumes 284-287)
• Pages: 2015-2020
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.284-287.2015
• Online since: January 2013
• Authors: Rong Shue Hsiao, Ding Bing Lin, Hsin Piao Lin, Shu Chun Cheng, Chen Hua Chung
• Keywords: Building Lighting System, Occupancy Detection, Wireless Sensor Network (WSN)

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