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An analysis method and analysis device for the stability of an active disturbance rejection control system

A technology for ADRC control and system stability, applied in general control systems, control/regulation systems, testing/monitoring control systems, etc. control issues

Active Publication Date: 2021-04-02
BEIHANG UNIV
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Problems solved by technology

[0002] Active disturbance rejection control methods are used in many fields, such as UAVs, hypersonic aircraft, etc. are equipped with active disturbance rejection control systems, when the active disturbance rejection control system is disturbed by some kind of disturbance and deviates from the normal operating state, that is When the disturbance rejection control system is not in a stable state, the active disturbance rejection control system will not be able to be controlled, which will seriously affect the normal function of the active disturbance rejection control system and the safety of the entire active disturbance rejection control system. Before the functional analysis of the control system, how to determine that the ADRC system is in a stable state is an urgent problem to be solved at this stage

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  • An analysis method and analysis device for the stability of an active disturbance rejection control system

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[0059] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, every other embodiment obtained by those skilled in the art withou...

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Abstract

The present application provides an analysis method and analysis device for the stability of an active disturbance rejection control system. The output of the disturbance control system, and then determine the disturbance error state of the system, so as to determine the corresponding error transfer function of the active disturbance rejection control system to be analyzed under different disturbance conditions; under different disturbance conditions, based on the corresponding error transfer function, determine the The stability condition under which both the state feedback controller and the extended state observer in the ADRC system are to be analyzed are stable; and then the ADRC control system is controlled and analyzed to be stable. In this way, by determining the error transfer function of the ADRC system to be analyzed under different disturbance conditions, the stability of the ADRC system to be analyzed is guaranteed, which is helpful to improve the stability and safety of the ADRC system to be analyzed , which is beneficial to the design of ADRC controllers.

Description

technical field [0001] The present application relates to the technical field of automatic control, in particular to an analysis method and analysis device for the stability of an active disturbance rejection control system. Background technique [0002] Active disturbance rejection control methods are used in many fields, such as UAVs, hypersonic aircraft, etc. are equipped with active disturbance rejection control systems, when the active disturbance rejection control system is disturbed by some kind of disturbance and deviates from the normal operating state, that is When the disturbance rejection control system is not in a stable state, the active disturbance rejection control system will not be able to be controlled, which will seriously affect the normal function of the active disturbance rejection control system and the safety of the entire active disturbance rejection control system. Before the functional analysis of the control system, how to determine that the ADRC...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 宋佳苏江城赵鸣飞胡云龙高科
Owner BEIHANG UNIV
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