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High-frequency noise power gain control system and method

A technology of power gain and high-frequency noise, applied in the field of control system of high-frequency noise power gain, can solve problems such as complex structure

Active Publication Date: 2021-07-30
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the new basic controller has a relatively complex structure, which requires engineering improvement, that is, improving the new basic controller (Improved high performance leading observer, INFC)

Method used

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Embodiment Construction

[0107] 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 creative efforts fall within the protection scope of the present invention.

[0108] It should be understood that the step numbers used herein are only for convenience of description, and are not intended to limit the order in which the steps are performed.

[0109] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms...

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Abstract

The invention discloses a high-frequency noise power gain control system and a method, and relates to the technical field of thermal power generating unit process control. The system comprises an improved novel basic controller, a lead-lag observer, a high-frequency noise power gain calculation device, a comparator, a nonlinear integral control device and a multiplier. According to the invention, the online calculation of the high-frequency noise power gain can be completed by using the noise interference signal contained in the signal, the high-frequency noise interference signal is generally contained in the signal in the actual process, and the high-frequency noise power gain of the improved novel basic controller is automatically tracked to the preset high-frequency noise power gain, the performance of the improved novel basic controller is controlled in an optimal state, and the influence on the online work of the improved novel basic controller is small.

Description

technical field [0001] The invention relates to the technical field of thermal power unit process control, in particular to a control system and method for high-frequency noise power gain. Background technique [0002] In the field of process control of thermal power units, using advance observation to obtain advance information of process response is of great significance for improving process control performance. In 2019, "Acta Automation Sinica" published the paper "In the Field of Industrial Process Control: Progress and Prospect of Basic Control Technology" in China National Knowledge Network, which released a new type of basic controller (Highperformance leading observer, HPLO). A breakthrough has been made in the observation mechanism. The new basic controller can be used alone, however, there is a problem of noise interference amplification in advance observation, mainly high-frequency noise interference amplification. When the high frequency noise interference lev...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 陈锦攀郑晓光李军
Owner GUANGDONG POWER GRID CO LTD