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Motor parameter determination method and device

A technology for determining motor parameters and methods, which is applied in the electronic field and can solve problems such as inaccurate measurement of motor parameters, low motor operating efficiency, and reduced motor performance

Inactive Publication Date: 2021-09-07
成都爱旗科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method and device for determining motor parameters to solve the current problem of inaccurate motor parameter measurement, resulting in reduced motor performance and low motor operating efficiency

Method used

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  • Motor parameter determination method and device

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Embodiment Construction

[0076] In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. For example, the first threshold and the second threshold are only used to distinguish different thresholds, and their sequence is not limited. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, and words such as "first" and "second" do not necessarily limit the difference.

[0077] It should be noted that, in the present invention, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "ex...

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Abstract

The invention discloses a motor parameter determination method and device, and relates to the technical field of electronics. The motor parameter determination method comprises the steps of obtaining an initial resistance value of a motor; determining an initial motor parameter identification model when the rotating speed of the motor is stable based on the initial resistance value of the motor; updating the initial motor parameter identification model based on a proportional M estimation adaptive neural network algorithm to obtain a target motor parameter identification model; and inputting a real-time motor input signal into the target motor parameter identification model, outputting a motor parameter corresponding to the motor input signal, and updating the model by using a proportional M estimation adaptive neural network algorithm, so that the convergence speed can be accelerated, the overall complexity of the algorithm is reduced, relatively large error signals are effectively eliminated, noise interference is eliminated, the performance of the algorithm is ensured, the stability is improved, the anti-interference capability of the algorithm can be improved, the accuracy of motor parameter measurement is improved, and the operation efficiency of the motor is improved.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a method and device for determining motor parameters. Background technique [0002] With the continuous development of control theory, and the characteristics of permanent magnet synchronous motors such as small size, high power density, long life, high efficiency and fast response speed, permanent magnet synchronous motors are widely used in electric vehicles, household appliances and aerospace and other fields. For the motor control system, it is very important to obtain accurate permanent magnet synchronous motor parameters. In the permanent magnet synchronous motor vector control system, the accuracy of the used motor parameters directly determines the performance of the system. Therefore, the online identification technology of permanent magnet synchronous motor parameters has been paid more and more attention. [0003] Currently proposed online parameter identificatio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/14H02P21/00
CPCH02P21/14H02P21/0017
Inventor 刘冰
Owner 成都爱旗科技有限公司
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