Consistency Filter Design Method Based on Local Conditions

A technology of filter design and local conditions, applied in the field of signal filtering of sensor networks, can solve the problems of complicated calculation process of filter design method, and achieve the effect of easy solution and implementation and small calculation amount

Active Publication Date: 2020-11-10
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of complex calculation process of the existing filter design method for sensor networks, and to provide a consistent filter design method based on local conditions

Method used

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  • Consistency Filter Design Method Based on Local Conditions
  • Consistency Filter Design Method Based on Local Conditions
  • Consistency Filter Design Method Based on Local Conditions

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention,

[0022] Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] The variables in this disclosure are first described as follows:

[0024] For example M T Represents the transpose of matrix M; R n Represents n-dimensional Euclidean space, R n×m Represents the set of all real matrices of order n×m. I and 0 represent the identity matrix and the zero matrix, respectively. matrix Represents a series of real symmetric positive definite matrices, E{x} and E{x|y} respectively represent the mathematical expecta...

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Abstract

The invention relates to a design method of a consistency filter based on local conditions, which belongs to the technical field of signal filtering of sensor networks. The invention aims to solve the problem of complex calculation process in the existing filter design method for sensor network. It includes the following steps: establish the state space model of the monitored nonlinear stochastic system, then construct the node measurement output model of the sensor network, and then establish the distributed filter dynamic model of each node in the sensor network; obtain each node by filtering error The dynamic system of filter error augmentation is analyzed; according to the supply rate function, the dynamic system of filter error augmentation is analyzed; the dynamic model of the distributed filter satisfies H ∞ Performance index; calculate and obtain the filter parameter matrix in the filter dynamic model, so as to obtain the expected consistency filter. The invention is used to design coherence filters.

Description

technical field [0001] The invention relates to a design method of a consistency filter based on local conditions, and belongs to the technical field of signal filtering of sensor networks. Background technique [0002] In recent years, due to the rapid development of sensor technology, the wide application of wireless networks and the in-depth study of cooperative and coordinated control problems, the research on distributed consensus filtering has developed rapidly. The core of the distributed consensus filtering problem is to design appropriate protocols and algorithms, so that the sensor nodes in the sensor network only use their own information and the information of neighbors, so that the information transmission is limited, the information exchange is unreliable, there is a communication delay or The information of each node in the sensor network is consistent under the conditions of input time lag and dynamic change of communication topology. [0003] However, the e...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F17/16
Inventor 韩非董宏丽步贤业任伟健邵克勇张勇高宏宇宋金波侯男李佳慧李雪融
Owner NORTHEAST GASOLINEEUM UNIV
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