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A PID Parameter Tuning Method for Differential Linear Systems

A differential linear, parameter tuning technology, applied in general control systems, control/regulation systems, instruments, etc., to achieve the effects of strong stability, reduced wear and significant dynamic characteristics

Active Publication Date: 2017-10-27
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is not suitable for differential linear systems that require fast response and small overshoot
In addition, there is no theoretical calculation or engineering tuning method to discuss the PID parameter tuning problem with differential linear systems

Method used

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  • A PID Parameter Tuning Method for Differential Linear Systems
  • A PID Parameter Tuning Method for Differential Linear Systems
  • A PID Parameter Tuning Method for Differential Linear Systems

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with specific embodiments. Based on the premise of the technical solution of the present invention, this embodiment provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0024] This embodiment provides a PID parameter tuning method for a differential linear system, which is based on the multi-capacity inertial standard transfer function design. This method is suitable for linear control systems that require fast response and small overshoot, and has strong stability and robustness. High and reduce actuator wear characteristics. The parameter setting table of the PID controller with differential linear system based on the multi-capacity inertia standard transfer function is stored in the data memory and can be used repeatedly.

[0025] The parameter tuning table of the above PID controller is s...

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Abstract

The invention relates to a method for tuning PID parameters of a linearity system with differentiation. The method includes identifying the controlled process of currently known type linearity system with differentiation to obtain model parameters, selecting PID controller types based on control requirement according to the type of the controlled process, searching corresponding a PID parameter tuning formula from linearity system with differentiation PID controller parameter tuning table based on multi-capacity inertia standard transfer function according to the type of the controlled process and the type of the PID controller, and applying the calculated PID parameters to control a controlled process. No discussion on tuning PID parameters of a linearity system with differentiation is available in the prior art. The PID parameter tuning method is based on complete theoretical analysis and derivation, less known parameters are needed, and the calculation is simple. The method is applicable to linear control system with requirements on rapid reaction and large overshooting. The method is highly stable and robust and overcomes the defect of wearing of a performer due to improper tuning of PID parameters.

Description

technical field [0001] The invention relates to the technical field of parameter tuning of a linear system PID controller, in particular to a PID parameter tuning method including a differential linear system. Background technique [0002] PID control is one of the earliest developed control strategies, and it is widely used in industrial process control because of its simple algorithm, good robustness and high reliability. As its specific implementation, the PID controller adjusts the deviation of the control system according to the principle of proportional integral differential control, so that the actual value of the controlled variable is consistent with the set value required by the process. The setting of its parameters needs to ensure the stability of the control system and restrain the influence of external disturbance. [0003] The parameter setting of PID controller is the core of control system design, and its parameter setting technology has become the key to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
Inventor 邓亮杨平丁腾
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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