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改进概率量化分布式一致性算法
引用本文:彭换新,戚国庆,盛安冬.改进概率量化分布式一致性算法[J].四川大学学报(工程科学版),2013,45(5):103-108.
作者姓名:彭换新  戚国庆  盛安冬
作者单位:南京工业职业技术学院,南京理工大学,南京理工大学自动化学院
摘    要:为了提高量化通信下分布式一致性算法的收敛精度,对概率量化分布式一致性算法进行改进,提出改进概率量化分布式一致性算法。在改进概率量化分布式一致性算法中,节点利用自身状态值和邻接节点的概率量化信息进行节点的状态更新。对改进概率量化分布式一致性算法的收敛性和均方误差进行了分析、计算和仿真。结果表明改进概率量化分布式一致性虽然不能收敛到一致性,但是均方误差更小,收敛精度更高。

关 键 词:量化通信  分布式一致性    概率量化
收稿时间:3/5/2013 12:00:00 AM
修稿时间:2013/7/14 0:00:00

Distributed Consensus Algorithm with Modified Probabilistic Quantization
Peng Huanxin,Qi Guoqing and Sheng Andong.Distributed Consensus Algorithm with Modified Probabilistic Quantization[J].Journal of Sichuan University (Engineering Science Edition),2013,45(5):103-108.
Authors:Peng Huanxin  Qi Guoqing and Sheng Andong
Affiliation:Dept. of Mechanical Eng.,Nanjing Inst. of Industry Technol.;School of Automation,Nanjing Univ. of Sci. and Technol.;School of Automation,Nanjing Univ. of Sci. and Technol.;School of Automation,Nanjing Univ. of Sci. and Technol.
Abstract:For the limit bandwidth and energy constraint, in practical applications of distributed consensus algorithms in multi-agent systems, quantization communication is utilized. In order to improve the accuracy of distributed consensus algorithms under quantization communication, a modified probabilistic quantization distributed consensus algorithm was proposed based on the probabilistic quantization distributed consensus algorithm. In the proposed algorithm, states of nodes were updated by itself states and the probabilistic quantization values of the adjacent nodes. The convergence performance and the mean square error of the modified probabilistic quantization distributed consensus algorithm were analyzed and calculated. The results show that the accuracy of modified probabilistic quantization distributed consensus algorithm improved dramatically.
Keywords:Quantization communication  Distributed consensus  Probabilistic quantization
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