Distributed Environment Control Using Wireless Sensor-Actuator Networks for Lighting ApplicationsReport as inadecuate




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NTT Energy and Environment Systems Laboratories, Nippon Telegraph and Telephone Corporation, Morinosato Wakamiya, Atsugi-shi, Kanagawa Pref., Japan





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Abstract We propose a decentralized algorithm to calculate the control signals for lights in wireless sensor-actuator networks. This algorithm uses an appropriate step size in the iterative process used for quickly computing the control signals. We demonstrate the accuracy and efficiency of this approach compared with the penalty method by using Mote-based mesh sensor networks. The estimation error of the new approach is one-eighth as large as that of the penalty method with one-fifth of its computation time. In addition, we describe our sensor-actuator node for distributed lighting control based on the decentralized algorithm and demonstrate its practical efficacy. View Full-Text

Keywords: sensor-actuator network; distributed control; decentralized system sensor-actuator network; distributed control; decentralized system





Author: Masayuki Nakamura * , Atsushi Sakurai and Jiro Nakamura

Source: http://mdpi.com/



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