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Motor control method, device and equipment

A control loop and motor frequency technology, applied in the direction of motor generator control, electromechanical transmission control, electronic commutation motor control, etc., can solve the problems of insufficient anti-interference and achieve the goal of improving anti-interference performance and reducing overshoot Effect

Active Publication Date: 2022-05-17
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the problem of insufficient anti-interference in the related art, the application provides a motor control method, device and equipment

Method used

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  • Motor control method, device and equipment
  • Motor control method, device and equipment
  • Motor control method, device and equipment

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Embodiment Construction

[0061]Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0062] It should be noted that the control of the motor can generally be completed through position estimation, current loop and speed loop. In this embodiment, the current loop is adjusted. In the prior art, the current loop can include direct axis control loop and Quadrature axis control loop, see figure 1 and figure 2 , figure 1 is the block diagram of an existing direct axis contr...

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Abstract

The present application relates to a motor control method, device and equipment. The method includes: firstly determining the voltage adjustment value according to the preset calculation method of the voltage adjustment value, and then using the voltage adjustment value to perform feed-forward compensation on the current loop of the motor to obtain The output voltage of the current loop, and finally use the output voltage to control the working state of the motor. Since the voltage adjustment value is used to perform feed-forward compensation on the current loop, it can effectively reduce the overshoot caused by the existing proportional-integral control and improve Anti-interference performance.

Description

technical field [0001] The present application relates to the field of motor technology, and in particular to a method, device and equipment for controlling a motor. Background technique [0002] In order to reduce operating costs, the moment of inertia of the motor in the permanent magnet synchronous compressor is getting smaller and smaller, but the reduction of the moment of inertia will reduce its immunity to noise, which may lead to consequences such as compressor out-of-step. [0003] Therefore, it can improve its immunity from the control point of view. The control of the motor is mainly composed of position estimation, current loop and speed loop. Among them, the current loop is particularly important for the reliability of its control. However, the current loop is mainly proportional integral control, and as the moment of inertia becomes smaller and smaller, the proportional-integral control has a large overshoot problem, which will lead to the problem of insufficie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P6/28H02P21/14H02P21/22
CPCH02P6/28H02P21/14H02P21/22Y02T10/72
Inventor 黄翰庞伟陈良华洪香王安琪
Owner GREE ELECTRIC APPLIANCES INC