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Kalman filter-based data processing method suitable for ACCT

A Kalman filter, data processing technology, applied in the direction of digital adaptive filter, measurement using digital measurement technology, adaptive network, etc., can solve problems such as smearing and ringing

Pending Publication Date: 2021-04-27
NANJING UNIV +1
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Problems solved by technology

[0004] The purpose of the present invention is to provide a data processing method suitable for ACCT based on Kalman filter, which solves the technical problem of tailing and ringing problems that occur when ACCT measures beam current intensity

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  • Kalman filter-based data processing method suitable for ACCT
  • Kalman filter-based data processing method suitable for ACCT
  • Kalman filter-based data processing method suitable for ACCT

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0041] Such as Figure 1-Figure 3 Shown is a data processing method suitable for ACCT based on Kalman filter, including the following steps:

[0042] Step 1: Establish an ACCT AC current transformer, a data acquisition device and a data processing device, and the data acquisition device is used to collect the data output by the ACCT AC current transformer;

[0043] The data processing device is used for processing the data collected by the data collecting dev...

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Abstract

The invention discloses a Kalman filter-based data processing method suitable for ACCT, belongs to the technical field of particle accelerators, and solves the technical problems of trailing and ringing occurring when ACCT measures the flow intensity of a beam current by adding a synchronizing signal at the current moment into a mathematical model of a Kalman filter. The method is suitable for a system with uncertain measurement precision, the Kalman filter used in the method can be used in any dynamic system containing uncertain information, the next trend of the system can be predicted according to the prediction result, and the Kalman filter can always indicate the real occurrence situation and is self-adaptive even along with various interferences. The weights of the measurement precision and the model precision can be adaptively adjusted in the iteration process according to the measurement precision and the model precision, and an accurate result is obtained.

Description

technical field [0001] The invention belongs to the technical field of particle accelerators, and relates to a Kalman filter-based data processing method suitable for ACCT. Background technique [0002] As a widely used non-intercepting pulse beam current intensity measuring instrument ACCT (AC current transformer) used in particle accelerators, it is easy to use, can be used in the process of accelerator operation, high precision and fast response in particle accelerators has a large application market. The principle of AC current transformer is based on the principle of electromagnetic induction. A current transformer consists of a closed core and windings. Its primary winding has very few turns, and it is connected in series in the line of the current to be measured, so it often has all the current of the line flowing, and the secondary winding has a large number of turns, connected in series in the measuring instrument and the protection circuit, and the current mutual...

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Application Information

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IPC IPC(8): H03H21/00G01R19/25
CPCH03H21/003G01R19/25
Inventor 张鸿周博文张鹏蛟李文亮侯瑞李俊周孙安
Owner NANJING UNIV
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