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A speed control method for a linear stepless variable speed motor

A technology of speed control and motor control, applied in control systems, motor control, electrical components, etc., can solve the problems of low speed control efficiency and inability to achieve precise speed control, and achieve high speed control efficiency

Active Publication Date: 2017-02-08
GUANGZHOU LUFTMED ELECTRICAL APPLIANCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the speed control efficiency of many continuously variable speed motors is low, and precise speed control cannot be achieved.

Method used

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  • A speed control method for a linear stepless variable speed motor
  • A speed control method for a linear stepless variable speed motor
  • A speed control method for a linear stepless variable speed motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] A method for controlling the speed of a linear infinitely variable motor, comprising the following steps:

[0028] Step 1: Drive the motor at a predetermined starting speed;

[0029] Step 2: Control the motor at a constant speed (step S3);

[0030] Step 3: If a speed change command is received (step S4), set a new target speed and parameters (step S11), re-execute step 2, and perform constant speed control on the motor under the new target speed and parameter settings; if not, Execute the next step;

[0031] Step 4: If a motor stop command is received (step S5), reduce the motor control terminal voltage (step S6), and stop the motor; if not, go to step 2.

[0032] Wherein, the step of controlling the motor at a constant speed includes:

[0033] Step S301: Detect the speed of the motor at each time point and the current speed V3, such as detecting the speed V1 of the motor at T1, the speed V2 at T2, and the speed V3 at T3, the current speed is V3, and the time interva...

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Abstract

The invention provides a speed control method of a linear infinitely variable speed motor and belongs to the technical field of automatic control. The speed control method of the linear infinitely variable speed motor comprises the following steps that (1), the motor is driven at preset starting speed; (2), the motor is controlled at constant speed; (3), if a speed changing instruction is received, new target speed and parameters are set, the second step is carried out, and if no speed changing instruction is received, the next step is carried out; (4), if a motor stopping instruction is received, voltage at the control end of the motor is decreased, the motor is stopped, and if no motor stopping instruction is received, the second step is carried out. According to the speed control method of the linear infinitely variable speed motor, the speed control efficiency is high, and accurate speed adjustment can be achieved.

Description

technical field [0001] The invention relates to a speed control method of a linear stepless variable speed motor, which belongs to the technical field of automatic control. Background technique [0002] In industrial applications, stepless variable speed motors are used in many fields. The stepless variable speed motors play the role of speed regulation on equipment. The output speed and torque of stepless variable speed motors can be linearly changed between the minimum and maximum. The output of the stepless variable speed motor is close to the required amount to stabilize the system, thereby reducing the number of motor starts and reducing mechanical impact and power consumption. However, the speed control efficiency of many continuously variable speed motors is low, and precise speed control cannot be achieved. Therefore, there is a need for a motor control method with high speed control efficiency and precise speed regulation. Contents of the invention [0003] Base...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P29/00
Inventor 江舫姚铁明曾庆杰唐金华唐银华
Owner GUANGZHOU LUFTMED ELECTRICAL APPLIANCES