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A control system and method for high-frequency noise power gain

A technology of power gain and high-frequency noise, which is applied in the field of high-frequency noise power gain control systems, can solve problems such as complex structures, and achieve the effect of little impact on online work

Active Publication Date: 2022-06-17
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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  • A control system and method for high-frequency noise power gain
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Embodiment Construction

[0107] 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 are only a part of the embodiments of the present invention, but not all of the 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.

[0108] It should be understood that the step numbers used in the text are only for the convenience of description, and are not used as a limitation on the order of execution of the steps.

[0109] It should be understood that the terms used in the present specification are only for the purpose of describing particular embodiments and are not intended to limit the present invention. As used in this specification and the appended claims...

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Abstract

The invention discloses a control system and method for high-frequency noise power gain, and relates to the technical field of thermal power unit process control. The system includes an improved new basic controller, a lead-lag observer, a high-frequency noise power gain calculation device, a comparator, a nonlinear integral control device and a multiplier. The present invention can use the noise interference signal contained in the signal to complete the online calculation of the high-frequency noise power gain. The actual process signal generally contains the high-frequency noise interference signal. By automatically tracking the high-frequency noise power gain of the improved new basic controller to The preset high-frequency noise power gain is given, so that the performance of the improved new basic controller is controlled in the best state, and has little impact on the online work of the improved new basic controller.

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 thermal power unit process control, the use of advanced observation can obtain advanced information of process response, which is of great significance for improving process control performance. In 2019, the Chinese Journal of Automation published the paper "In the Field of Industrial Process Control: Progress and Prospects of Basic Control Technology" on CNKI, which published a new basic controller (Highperformance leading observer, HPLO), which has There has been a breakthrough in the observation mechanism. The new basic controller can be used alone, however, the advance observation has the problem of noise interference amplification, mainly high frequency noise interference amplification. When the high frequency noise interference level is...

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Application Information

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