A d-s inference-based method for multi-platform sensor measurement data fusion

A technology for measuring data and fusion methods, applied in inference methods, instruments, calculations, etc., can solve problems such as low accuracy and large amount of calculation, and achieve the effect of eliminating uncertain information and reducing computational overhead.

Active Publication Date: 2022-03-25
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that if the existing collaborative conflict elimination method is directly applied to a multi-platform multi-source heterogeneous sensor system, it will cause a large amount of calculation and low accuracy. The present invention provides a method based on D-S reasoning Optimal distributed multi-sensor cooperative conflict resolution method

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  • A d-s inference-based method for multi-platform sensor measurement data fusion
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  • A d-s inference-based method for multi-platform sensor measurement data fusion

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[0050] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0051] like figure 1 As shown, a multi-platform sensor measurement data fusion method based on D-S reasoning includes the following steps:

[0052] Step 1: Obtain the measurement data of the first type of sensor, the measurement data of the second type of sensor...the measurement data of the Kth type of sensor in all the sensor dat...

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Abstract

The invention discloses a multi-platform sensor measurement data fusion method based on D-S reasoning, which comprises the following steps: obtaining K-type sensor measurement data; and then using an optimal distributed fusion algorithm to estimate the system track to obtain accurate K-type Sensor measurement data; use the Dempster-Shafer evidence reasoning method to synthesize the characteristic information of multi-platform similar sensors from the K-type sensor measurement data obtained in step 2; use the evidence update based on Jeffrey rule of Bayes method to optimize the characteristic information of multi-platform similar sensors , this rule defines strong conditional mass function update evidence and weak conditional mass function update evidence; follow the same method as step 3 and step 4 to perform feature information fusion on multi-platform heterogeneous sensors; then perform decision output to obtain overall fusion data. The invention solves the problem that if the existing cooperative conflict elimination method is directly applied to a multi-platform multi-source heterogeneous sensor system, it will cause large amount of calculation and low accuracy.

Description

technical field [0001] The invention relates to the technical field of multi-platform heterogeneous sensor data fusion, in particular to a multi-platform sensor measurement data fusion method based on D-S reasoning. Background technique [0002] As one of the basic functions of wireless sensors, information perception provides information sources for wireless sensor network applications, but the original perception information of wireless sensors is characterized by significant multi-source heterogeneity. For a distributed network sensing node, unstable network transmission and asynchrony of nodes often lead to the lack and discontinuity of sensing information, as well as the inconsistency of the spatiotemporal relationship of information. The multi-sensor collaborative conflict resolution process is a comprehensive processing process for multi-source information. In recent years, some new algorithms based on statistical inference, artificial intelligence and new methods of ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62G06N5/04
CPCG06N5/04G06F18/25
Inventor 梁菁唐琴王田田
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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