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Motor average current smoothing method and system and motor current sampling equipment

A technology of motor current sampling and average current, which is used in current/voltage measurement, control system, and generator control. Effect

Active Publication Date: 2020-05-08
SYMG SHANGHAI INTELLIGENCE SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above method needs to arrange a complex high-order circuit filter on the current sampling circuit system; and the adjustment range of the filter time parameter is small

Method used

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  • Motor average current smoothing method and system and motor current sampling equipment
  • Motor average current smoothing method and system and motor current sampling equipment
  • Motor average current smoothing method and system and motor current sampling equipment

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Embodiment Construction

[0038] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0039] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides a motor average current smoothing method and system, and motor current sampling equipment. The method comprises the following steps: obtaining a current parameter of a motor; calculating the average current of the motor according to L-1[C(S)] = L-1[R(S)*phi(s)] based on the current parameter, wherein L-1 represents inverse Laplace transformation, im is a current peak value,omega is the angular velocity of the motor rotor, and gamma is an adjustable system constant. According to the motor average current smoothing method and system and the motor current sampling device,the multi-phase current collected from the motor can be rapidly processed, and a continuous and smooth motor current average value is provided.

Description

technical field [0001] The invention relates to the technical field of motor current, in particular to a motor average current smoothing method and system, and a motor current sampling device. Background technique [0002] CNC machine tool is the abbreviation of computer numerical control machine tools, which is an automatic machine tool equipped with a program control system. The control system can logically process programs with control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the numerical control device through the information carrier. After calculation and processing, various control signals are sent by the numerical control device to control the movement of the machine tool, and the parts are automatically processed according to the shape and size required by the drawing. [0003] The control system of a new generation of high-end CNC machine tools has the ability to connect to industrial cloud services. It ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/14G01R19/00
CPCG01R19/003H02P21/14
Inventor 朱志浩黄迪樊响顾昕华
Owner SYMG SHANGHAI INTELLIGENCE SYST CO LTD
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