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PID controller optimization design method, device and equipment, and storage medium

An optimization design and controller technology, applied in the direction of electric controllers, controllers with specific characteristics, etc., can solve problems such as failure to achieve control goals, unstable operation, and complicated parameter setting

Pending Publication Date: 2021-09-07
NORTHEASTERN UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a PID controller optimization design method, device, equipment and storage medium to solve the complex parameter setting, unstable operation, and tracking error fluctuations existing in the industrial control process using the PID controller in the prior art Increase and technical problems of inability to achieve control objectives

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  • PID controller optimization design method, device and equipment, and storage medium
  • PID controller optimization design method, device and equipment, and storage medium
  • PID controller optimization design method, device and equipment, and storage medium

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Embodiment Construction

[0057] 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.

[0058] 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 executed.

[0059] 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 PID controller optimization design method, device and equipment and a storage medium. The method comprises the steps of building a controlled object dynamic model which is composed of a linear model and an unknown high-order nonlinear term; designing a first PID controller according to the linear model; superposing an output signal of the first PID controller with an unknown compensation signal to serve as a control input signal; acting the control input signal on the controlled object dynamic model to obtain a closed-loop control system dynamic model; designing the unknown compensation signal according to the dynamic model of the closed-loop control system to obtain a designed compensation signal; and constructing a second PID controller according to the first PID controller and the designed compensation signal. The PID controller optimization design method solves the problem that a traditional PID control technology cannot be applied to a complex industrial process, and has the advantages of being easy to implement, high in safety and high in reliability.

Description

technical field [0001] The invention belongs to the technical field of industrial production process control, and in particular relates to a PID controller optimization design method, device, equipment and storage medium. Background technique [0002] An industrial process is a production process consisting of one or more industrial equipment, whose function is to process incoming raw materials into semi-finished materials required for the next process. Among them, multiple industrial processes constitute a full-process production line. In order to make the operation index of the process within the target value range, make the product quality and efficiency as high as possible, and the cost and energy consumption as low as possible, and realize the optimal control of the industrial process, it is required Under the condition that the process control system is stable, the output can track the set value of the process control system as best as possible during all running time,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 柴天佑贾瑶刘宁
Owner NORTHEASTERN UNIV
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