Automatic feeding speed control method based on template sewing machine controller

A speed control, automatic feeding technology, applied in the direction of digital control, program control, electrical program control, etc., can solve the problems of poor stability, jitter, low precision, etc., achieve high real-time performance, reasonable running speed, and reduce calculation time.

Inactive Publication Date: 2016-06-29
YIWU SCI & TECH INST CO LTD OF ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0004] In order to overcome the shortcomings of the existing automatic template sewing machine feeding platform in the case of high-speed movement and frequent acceleration and deceleration, such as severe jitter, poor stability, and low precision, the present invention provides an effective Automatic feeding speed control method based on template sewing machine controller to reduce jitter and improve stability

Method used

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  • Automatic feeding speed control method based on template sewing machine controller
  • Automatic feeding speed control method based on template sewing machine controller
  • Automatic feeding speed control method based on template sewing machine controller

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Embodiment Construction

[0020] Further description will be made below in conjunction with accompanying drawings.

[0021] refer to figure 1 and figure 2 , an automatic feeding speed control method based on a template sewing machine controller, comprising the following steps:

[0022] 1) The formula for calculating the speed of the servo motor is as follows:

[0023] v = 60 360 θ t s ( r / m i n ) - - - ( 1 )

[0024] v = 1 6 θf s ( r / m i n ) - - ...

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Abstract

A automatic feeding speed control method based on a template sewing machine controller includes the following steps that 1, a speed chart (v1,...,vm) is established by combining with the best frequency raising law of a servo motor according to a S-shaped acceleration and deceleration control algorithm, and a ladder-shaped step length table (l1,..., lm) is established according to the speed chart and movement characteristics of the motor; 2, the maximum sudden-change speeds Delta argument x and Delta argument y allowable for the motor in the directions of two shafts are determined through debugging according to the mechanical structure of a mobile platform of the automatic template sewing machine and model of the servo motor; 3, the maximum speed of every turning point of a sewing track is calculated; 4, a regression method is adopted to recalculate and determine the speed of each coordinate point (shown in the description) according to the step length table, and finally speed control is achieved. The automatic feeding speed control method can effectively solve the problems of severe shaking, poor stability, low precision and the like occurred during high-speed movement of a feeding platform of the automatic template sewing machine.

Description

technical field [0001] The invention relates to a speed control method, in particular to a speed control method for automatic material feeding based on a template sewing machine controller, which belongs to the field of motion control. Background technique [0002] In recent years, with the continuous expansion of my country's clothing, bedding, shoes, leather and other product industries, traditional sewing machines have gradually been eliminated, and automatic template sewing machines with automatic feeding functions have received more and more attention. [0003] The feeding platform of the automatic template sewing machine is mainly composed of two servo motors (respectively controlling the X-axis and Y-axis), a moving beam, a conveyor belt, a template fixture, and a reset signal sensor. The controller controls two servo motors, and then the servo motor drives the beam through the conveyor belt for automatic feeding. However, the feeding platform of the automatic templa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/416
CPCG05B19/4163G05B2219/34435
Inventor 董辉徐鹏飞崔玉启
Owner YIWU SCI & TECH INST CO LTD OF ZHEJIANG UNIV OF TECH
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