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Signal determination method and device, storage medium, electronic device

A technology for determining methods and signals, applied to measuring devices, current-only measurement, current controllers, etc., can solve problems such as unproposed solutions, achieve the effects of simplifying software design and improving sampling accuracy

Active Publication Date: 2021-10-22
GREE ELECTRIC APPLIANCES INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] For the above problems, no effective solution has been proposed

Method used

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  • Signal determination method and device, storage medium, electronic device
  • Signal determination method and device, storage medium, electronic device
  • Signal determination method and device, storage medium, electronic device

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0023] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such...

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Abstract

The application discloses a method and device for determining a signal, a storage medium, and an electronic device. Wherein, the method includes: obtaining a DC bias signal value obtained by the ADC during calibration sampling; obtaining a normal sampling value obtained by the ADC during normal sampling; subtracting the DC bias signal value from the normal sampling value, Get the AC signal value required for motor control. The present application solves the technical problem that the measured stator current has a relatively large error in the related art.

Description

technical field [0001] The present application relates to the field of automatic control, in particular, to a method and device for determining a signal, a storage medium, and an electronic device. Background technique [0002] With the development of motor control theory, power electronics technology and high-performance microprocessors, permanent magnet synchronous motors are widely used in aerospace equipment, elevators, electric vehicles, CNC machine tools and other fields. In the field of home appliances, with the improvement of energy-saving requirements, permanent magnet synchronous motors are also used to further improve energy efficiency and save power. [0003] In the control of permanent magnet synchronous motors, it is necessary to periodically sample the motor stator current. Generally, there are two methods: Hall sensors and sampling resistors. In the field of household appliances, in order to save costs, sampling resistors are generally used to detect motor st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/00G01R19/00H02P6/28
CPCG01R19/0092G01R35/005H02P6/28
Inventor 吴安涛邹承辉
Owner GREE ELECTRIC APPLIANCES INC
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