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Path planning method of surface array salient point on-demand jet printing control system

A jet printing and control system technology, applied in the direction of digital control, electrical program control, etc., can solve problems such as low efficiency

Inactive Publication Date: 2015-10-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of low efficiency in the current motion path planning of bumps in the printing process. The present invention provides a path planning method for an area array bump drop-on-demand printing control system

Method used

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  • Path planning method of surface array salient point on-demand jet printing control system
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  • Path planning method of surface array salient point on-demand jet printing control system

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Embodiment Construction

[0034] This embodiment also provides an area array bump printing system, the area array bump printing system includes a main control computer, a waveform drive system, a droplet generator, a motion control system and a three-dimensional motion platform;

[0035] After the surface array bump drop-on-demand printing program in the main control computer starts, it will first read all the data in the user coordinate file, perform path planning processing to form a new coordinate file, and then read the data in the new coordinate file sequentially Point the coordinates and drive the three-dimensional motion platform to move through the motion control system to judge whether it has reached the end point, and end the program after reaching the end point, otherwise it will move according to the difference of the coordinates. At the same time, the droplet generator is controlled by the waveform drive system, and the coordinated control of the two systems is carried out to realize the ar...

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Abstract

A path planning method of a surface array salient point on-demand jet printing control system belongs to the technical field of on-demand jet printing, and aims to solve the problem that at present motion path planning efficiency is low in printing of salient points. The method includes: 1. reading in data to be printed, the number of cycles k=1; 2. judging whether k is smaller than x, if yes, outputting a current calculated shortest path and distance, and if no, departing from a starting point to visit, and turning to 3; 3. moving from a current point to the next allowable selection point, using an ant colony algorithm to calculate a path, and turning to 4; 4. judging whether the next allowable selection point exists for the current point, if yes, turning to 3, and if no, turning to 5; 5. judging whether the current ant has walked through all points, if yes, calculating the length of the path, and turning to 6, and if no, setting the length of the path to be infinite, and turning to 6; 6. judging whether the acquired length of the path is the shortest among existing paths, if yes, updating the shortest path and length, and turning to 7, and if no, turning to 7; and 7. updating pheromones of each side on the shortest path, plus 1 to k, and turning to 2. The path planning method of the surface array salient point on-demand jet-printing control system is used for surface array salient point printing.

Description

technical field [0001] The invention belongs to the field of drop-on-demand printing technology. Background technique [0002] The main principle of the drop-on-demand printing technology is to use vibration to force the molten material to be ejected from the nozzle in the form of droplets, and then control the droplet deposition position and droplet by precisely controlling the movement of the working platform and cooperating with the droplet ejection process. Flight distance and other parameters, jet droplet deposition to form area array microelectronic packaging interconnection bumps and jet printing circuits, etc. [0003] In response to the technical requirements of microelectronic packaging, researchers at home and abroad have developed different interconnection bump production devices. Huazhong University of Science and Technology has established a piezoelectric jet 3D printing system using inkjet printer control technology; Jilin University has used motion control ca...

Claims

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Application Information

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IPC IPC(8): G05B19/19
CPCG05B19/19
Inventor 高胜东刘荣辉姚英学朱兴晨
Owner HARBIN INST OF TECH
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