System and method of chip mounter quick positioning based on field programmable gate array (FPGA)
A positioning method and positioning system technology, applied in the direction of assembling printed circuits with electrical components, can solve problems such as affecting the system identification accuracy
Inactive Publication Date: 2013-06-05
HUNAN CITY UNIV
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Errors caused by the image processing system will affect the recognition accuracy of the entire system
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[0038] 1. Overall implementation of FPGA-based placement machine rapid positioning system
[0039] The fast positioning system of placement machine based on FPGA is composed of six parts: imaging system, lighting system, image acquisition system, image processing system, target recognition system and SOPC control system. The acquisition of the target image is completed by the three parts of the imaging system, the lighting system and the image acquisition system, and the positioning of the target image is completed by the two parts of the image processing system and the target recognition system. The present invention takes SOPC control as the center, and utilizes image sensor technology, data acquisition technology, information transmission interface technology, digital image processing technology, FPGA timing control technology and FPGA-based image matching technology to comprehensively integrate and realize the goal of the placement machine. positioning, such as Figure 9 ...
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A system and a method of chip mounter quick positioning based on field programmable gate array (FPGA) is formed by an imaging system, an illuminating system, an image acquisition system, an image processing system, a target identification system and a system-on-a-programmable-chip (SOPC) control system. All systems are connected together with the SOPC control system as a center, the illuminating system is the self-adaption light source system of a chip mounter, the imaging system directly collects the images of body surfaces by using imaging sensors, the image acquisition system reads image data and outputs and connects the image data to the image processing system, and the image processing system processes the image data and outputs the image data to the target identification system. The system and the method of the chip mounter quick positioning based on the FPGA establishes an image acquisition system and a data processing platform aiming to the self-adaption light source system of the chip mounter, the image acquisition system uses the FPGA as a core to achieve the high-speed processing and the target identification of digital images, improves the running speed and the positioning precision of the system, and reduces the cost and the complexity of equipment.
Description
Technical field: [0001] The invention relates to the technical field of digital image processing and automatic control, in particular to an FPGA-based fast positioning system and method for a placement machine. Background technique [0002] The placement machine is the key production equipment on the SMT production line. The research and development of high-speed and high-precision placement equipment has been the key goal of foreign scientific research institutes and large-scale electronic equipment manufacturers in recent years. In the placement machine control system, the visual inspection of the picked-up chips is the most important part. Due to the variety of packaging forms of components to be processed by the multi-function placement machine, considering the differences in shape and size of various components, new requirements are put forward for the image processing technology of the placement machine. [0003] In the control system of the placement machine, it is n...
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IPC IPC(8): H05K3/30
Inventor 周立波刘合安
Owner HUNAN CITY UNIV