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Variable structure control algorithm

A technology of variable structure control and algorithm, applied in electric controllers, controllers with specific characteristics, etc., to reduce the pressure storage time, enhance the effect of the integral link, and avoid the phenomenon of integral saturation.

Pending Publication Date: 2020-12-08
SHAANXI QIANSHAN AVIONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, it can make the hydraulic control system have a certain degree of adaptability and robustness, so as to solve the complex control system without establishing a complex control object model to achieve precise control

Method used

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Embodiment Construction

[0029] Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.

[0030] Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, a...

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Abstract

The embodiment of the invention provides a variable structure control algorithm. The variable structure control algorithm adopts an incremental PID control mode, and the incremental PID control mode changes control structure parameters in real time through real-time changing system deviation and deviation change rate. The incremental PID control mode comprises a proportional gain part, an integralgain part and a calculus gain part. The calculation formula of the incremental PID control mode of the variable structure control algorithm is shown in the specification. The variable structure control algorithm has the advantage that the algorithm model can smooth the whole system control and adjustment process.

Description

technical field [0001] The present disclosure relates to the technical field of industrial control, in particular to a variable structure control algorithm. Background technique [0002] In industrial control, electro-hydraulic control is a typical time-delay control system, which requires high control performance such as control accuracy, adaptability and robustness of hydraulic control algorithm. The working principle of the hydraulic control system is to adjust the hydraulic oil flow through the electronic control system, and then change the current hydraulic pressure, so as to drive the relevant execution structure to respond, and collect the current position of the actuator, and judge whether the current adjustment control process has met the requirements. [0003] From the functional analysis, the hydraulic control system needs to adjust the hydraulic flow in real time to realize the real-time adjustment of the hydraulic pressure; from the performance analysis, the hyd...

Claims

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Application Information

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IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 樊瑜关志刚徐航
Owner SHAANXI QIANSHAN AVIONICS
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