Direct adaptive control method and direct adaptive control device

An adaptive control, direct technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as faults, gaps, dead zones, etc.

Inactive Publication Date: 2017-05-31
GUANGDONG UNIV OF TECH
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  • Abstract
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Problems solved by technology

Among these uncertainties, common nonlinearities in the system include hysteresis, dead zone, gap, friction, fault, etc. No matter what kind of nonlinearity exists in the system, it will affect the stability of the system. Technical problems that eventually lead to system instability

Method used

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  • Direct adaptive control method and direct adaptive control device
  • Direct adaptive control method and direct adaptive control device
  • Direct adaptive control method and direct adaptive control device

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Embodiment Construction

[0048] A direct adaptive control method and device provided by the embodiment of the present invention solves the technical problems of dead zone and fault nonlinearity existing in the nonlinear system, realizes effective compensation for the existing nonlinearity, and finally ensures the stability of the system operation and good tracking performance.

[0049] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following 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 pres...

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Abstract

An embodiment of the invention discloses a direct adaptive control method and a direct adaptive control device. The direct adaptive control method in the embodiment of the invention includes building dead zone and fault nonlinearity dynamic models according to dead zones and fault nonlinearity in control systems; constructing inverse functions of the dead zones and compensating the dead zone and fault nonlinearity dynamic models; compensating compensation errors and fault nonlinearity kinetic models in executors in the dead zones. The compensation errors are generated due to dead zone inverse compensation processes. The direct adaptive control method and the direct adaptive control device have the advantages that the technical problem of dead zones and fault nonlinearity in nonlinear systems can be solved, nonlinearity can be effectively compensated, and the operation stability and the excellent tracking performance of the systems can be ultimately guaranteed.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to a direct adaptive control method and device. Background technique [0002] Adaptive control is the most promising branch of modern control theory, and has been widely used in aerospace, electronic communication, energy supply, transportation, environmental protection, weapons and equipment, process control, power electronics, machine manufacturing, light industrial building materials and other fields. a wide range of applications. [0003] With the development and progress of science and technology, the production process and operating procedures have become more and more complex, and people have higher and higher requirements for the accuracy and stability of the system, which makes the controller design more and more difficult. For this situation, the simple feedback control for a steady system is far from meeting the difficult control requirements, so the idea of ​​...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 刘治苏晓航赖冠宇白亚男
Owner GUANGDONG UNIV OF TECH
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