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Permanent magnet synchronous motor active disturbance rejection control method based on improved whale optimization algorithm

A permanent magnet synchronous motor, active disturbance rejection control technology, applied in the direction of motor generator control, electronic commutation motor control, control system, etc., can solve the problem of poor robustness of PI controller, low optimization accuracy, and slow convergence speed and other problems to achieve the effect of improving the optimization performance, improving the convergence speed and optimization accuracy, and improving the transient stability performance

Pending Publication Date: 2022-01-04
CRRC DALIAN R & D CO LTD
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Problems solved by technology

[0002] The mathematical model of permanent magnet synchronous motor has the characteristics of high nonlinearity, strong coupling, and line parameter perturbation. Traditional vector control uses PI controller to adjust the performance of PMSM. Performance requirements at low speeds
Moreover, the nonlinear function of the traditional ADRC cannot be derived at the segmentation point, and there are many parameters to be optimized. When setting its parameters, the convergence speed is slow and the optimization accuracy is not high

Method used

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  • Permanent magnet synchronous motor active disturbance rejection control method based on improved whale optimization algorithm
  • Permanent magnet synchronous motor active disturbance rejection control method based on improved whale optimization algorithm
  • Permanent magnet synchronous motor active disturbance rejection control method based on improved whale optimization algorithm

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0023] This embodiment provides an ADRS control method for permanent magnet synchronous motors based on an improved whale optimization algorithm, including the following steps:

[0024] S1: Establish the mathematical model of the permanent magnet synchronous motor, and obtain the simplified electrical equation, the simplified electromagnetic torqu...

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Abstract

The invention discloses a permanent magnet synchronous motor active-disturbance-rejection control method based on an improved whale optimization algorithm, and the method comprises the steps: S1, building a permanent magnet synchronous motor mathematical model, and obtaining a simplified permanent magnet synchronous motor mathematical model; S2, establishing a control model of the active disturbance rejection controller, and further determining parameters needing to be set; S3, establishing an improved active disturbance rejection controller; S4, establishing a mathematical model of the permanent magnet synchronous motor based on the control of the improved active disturbance rejection controller; and S5, optimizing parameters needing to be set through an improved whale optimization algorithm. According to the invention, the active disturbance rejection controller is applied to the PMSM speed regulation system, the improved ADRC is provided, the improved whale optimization algorithm based on refraction operation is provided to set the parameters, the convergence speed and optimization precision of the optimization process are improved, the optimization performance of the algorithm is effectively improved, the ADRC parameters can be effectively set, and the transient and steady state performance of the PMSM speed regulation system is effectively improved.

Description

technical field [0001] The invention relates to the technical field of permanent magnet synchronous motor control, in particular to an active disturbance rejection control method for permanent magnet synchronous motors based on an improved whale optimization algorithm. Background technique [0002] The mathematical model of permanent magnet synchronous motor has the characteristics of high nonlinearity, strong coupling, and line parameter perturbation. Traditional vector control uses PI controller to adjust the performance of PMSM. Performance requirements at low speeds. Moreover, the nonlinear function of the traditional active disturbance rejection controller (Traditional ADRC) cannot be derived at the segmentation point, and there are many parameters to be optimized. When setting its parameters, the convergence speed is slow and the optimization accuracy is not high. Contents of the invention [0003] The invention provides a permanent magnet synchronous motor active d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/14H02P21/13G06N3/00
CPCH02P21/14H02P21/13G06N3/006
Inventor 张齐文王龙达王兴成刘罡孙家文马洪岗王哲史红政孙永哲
Owner CRRC DALIAN R & D CO LTD
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