Hao Chuangbo, Song Ping, Yang Cheng, Liu Xiongjun
Key Laboratory of Biomimetic Robots and Systems (Ministry of Education), Beijing Institute of Technology, Beijing 100081, China.
Sensors (Basel). 2017 Mar 8;17(3):544. doi: 10.3390/s17030544.
Data acquisition is the foundation of soft sensor and data fusion. Distributed data acquisition and its synchronization are the important technologies to ensure the accuracy of soft sensors. As a research topic in bionic science, the firefly-inspired algorithm has attracted widespread attention as a new synchronization method. Aiming at reducing the design difficulty of firefly-inspired synchronization algorithms for Wireless Sensor Networks (WSNs) with complex topologies, this paper presents a firefly-inspired synchronization algorithm based on a multiscale discrete phase model that can optimize the performance tradeoff between the network scalability and synchronization capability in a complex wireless sensor network. The synchronization process can be regarded as a Markov state transition, which ensures the stability of this algorithm. Compared with the Miroll and Steven model and Reachback Firefly Algorithm, the proposed algorithm obtains better stability and performance. Finally, its practicality has been experimentally confirmed using 30 nodes in a real multi-hop topology with low quality links.
数据采集是软传感器和数据融合的基础。分布式数据采集及其同步是确保软传感器准确性的重要技术。作为仿生科学中的一个研究课题,萤火虫启发算法作为一种新的同步方法受到了广泛关注。针对降低具有复杂拓扑结构的无线传感器网络(WSN)中萤火虫启发同步算法的设计难度,本文提出了一种基于多尺度离散相位模型的萤火虫启发同步算法,该算法可以在复杂的无线传感器网络中优化网络可扩展性和同步能力之间的性能权衡。同步过程可以被视为马尔可夫状态转移,这确保了该算法的稳定性。与Miroll和Steven模型以及回溯萤火虫算法相比,所提出的算法具有更好的稳定性和性能。最后,通过在具有低质量链路的真实多跳拓扑中使用30个节点进行实验,证实了其实用性。