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PG motor control method and system and air conditioner

A technology for motor control and air conditioners, applied in control systems, motor control, heating and ventilation control systems, etc., can solve the problems of PG motor speed deviation, unstable operation, etc., to solve the problem of large speed deviation, improve accuracy, reduce The effect of small speed fluctuations

Active Publication Date: 2016-07-06
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on this, it is necessary to provide a PG motor control method and system and an air conditioner for the problem of large deviation of PG motor speed and unstable operation.

Method used

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  • PG motor control method and system and air conditioner
  • PG motor control method and system and air conditioner
  • PG motor control method and system and air conditioner

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specific Embodiment

[0048] see figure 1 , as a specific embodiment of the PG motor control method provided by the present invention, comprising the following steps:

[0049] Step S100, real-time detection of the state of the air guide device of the air conditioner equipped with the PG motor;

[0050] Step S200, according to the state of the air guiding device, call the corresponding PID algorithm parameters to control the operation of the PG motor.

[0051] The PG motor control method provided by the present invention detects the state of the air guide device of the air conditioner equipped with the PG motor in real time, and calls the corresponding PID algorithm parameters for controlling the speed of the PG motor according to the detected state of the air guide device to control the PG motor. The motor runs. It selects different PID algorithm parameters to control the operation of the PG motor by combining the state of the air guide device of the air conditioner equipped with the PG motor, wh...

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Abstract

The invention discloses a PG motor control method and system and an air conditioner, wherein the method includes the following steps: real-time detection of the state of the air guide device of the air conditioner unit equipped with the PG motor; according to the state of the air guide device, corresponding PID algorithm parameters are called to control PG motor runs. It adjusts the PID algorithm parameters used to control the PG motor in real time according to the state of the air guide device of the air conditioning unit, reduces the speed fluctuation of the PG motor due to load changes, improves the control accuracy of the PG motor, and effectively solves the problem of the PG motor speed. The problem of large deviation and unstable operation.

Description

technical field [0001] The invention relates to the field of electrical appliances, in particular to a PG motor control method and system and an air conditioner. Background technique [0002] At present, the control of PG (Program Guidance, program guidance) motor generally adopts the PID (Proportion Integration Differentiation, proportional-integral-differentiation) adjustment method, that is, the speed of the PG motor is controlled by setting the proportional coefficient, integral coefficient and differential coefficient in the PID algorithm. Among them, the proportional coefficient, integral coefficient and differential coefficient are fixed parameters. When the PG motor drives the air conditioner to run, due to the different load changes of the air guide device of the air conditioner when it is turned on and not turned on, the PG motor speed deviation is large. The PG motor runs erratically. Contents of the invention [0003] Based on this, it is necessary to provide ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P29/00F24F11/00
Inventor 吴学伟杨华生
Owner GREE ELECTRIC APPLIANCES INC