CN114330392B - Multi-size self-adaptive code scanning system for radar array surface - Google Patents
Multi-size self-adaptive code scanning system for radar array surface Download PDFInfo
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Abstract
In modern radar systems, in order to facilitate management of array components, each component is often assigned an address code, where the address code includes information such as a drawing number and a batch number. The self-adaptive code scanning system based on the visual recognition technology is special equipment with non-standardized customization, modularized design and complete functions of software and hardware, can be self-adaptively used for automatically recognizing the address codes of most of size array planes, realizes scanning and positioning under the condition of non-equidistant component arrangement mode, and has stronger compatibility and expansibility. The intelligent code scanning recognition system automatically reads the component address codes and performs data analysis, processing and recording, so that the original manual transcription and recording work of workers can be effectively replaced, the efficiency of component address code input is improved, and the time for recognizing, processing and recording the address codes of a single radar array surface is only about 25% of that of manual work; on the other hand, the accuracy, the completeness and the order of the component address code input information are improved.
Description
Technical Field
The invention belongs to the field of automatic image recognition, and particularly relates to a radar array face multi-size self-adaptive code scanning system.
Background
Radar is a great invention of 20 th century mankind in the field of electronic engineering, can detect targets beyond hundreds or thousands of kilometers, is widely applied to the fields of national defense, weather, measurement and control, navigation management, water conservancy, rescue and relief work and the like, and is indispensable in modern construction. In modern radar systems, digital active phased array antennas have gradually taken up the main stream, wherein the receiving and transmitting functions of the antenna array surface are all carried by the T/R components. In order to facilitate management of the array components, an address code is often allocated to each component, and the address code contains information such as a drawing number, a batch number and the like. For a number of hundreds or even thousands of T/R components, if transcription and address code input are manually carried out, time and labor are wasted, and the conditions of missing marks, misrecording and the like are extremely easy to occur for a long time of personnel working. Therefore, an intelligent code scanning system is introduced, and the method has important significance in automatically identifying and inputting the component address codes. Meanwhile, with the great development of the resolution of the camera and the image recognition technology, the camera code scanning recognition technology is widely used in daily life, and can realize the large-range movement scanning and accurate movement positioning of the camera on an array surface by matching with a movement control system. And then, the local intelligent software is used for assisting, automatically identifying relevant size parameters of the array surface, automatically planning a path for scanning, analyzing and recording the scanned address codes, identifying and recording correct address codes, distinguishing wrong address codes, prompting correction and eliminating blank address codes, and finally generating a form.
Disclosure of Invention
In order to solve the problems that the existing manual address code recording is time-consuming and labor-consuming and is easy to make mistakes, the invention provides a large-range intelligent code scanning recognition system with universal self-adaption capability aiming at most of the size radar array surfaces, and the system consists of four parts, namely a scanning system module, a motion system module, a control system module and a software system module;
the scanning system module consists of a camera, a transmission line and a computer, wherein the camera adopts a high-magnification industrial camera to automatically focus and photograph the component address code, and the photographed data is transmitted into a background computer through the transmission line; the scanning module can carry out self-adaptive control, is provided with a necessary manual intervention interface on a human-computer interaction interface, starts scanning work after being positioned at an effective reading position, and automatically enters the position of the next component after the scanning is finished;
the motion system module consists of a lifting system, a translation system and a lifting base, the full coverage of the array face address codes is realized through the lifting system and the translation system, and the motion range is determined according to the actual length and the height of different array faces in a self-adaptive manner; the lifting system and the translation system can automatically position the scanning system to an address code region to be scanned, and when the scanning system moves to the corner region to be scanned, the scanning system module can be moved upwards and then moved reversely to continue working through a reverse movement function;
the control system module consists of a computer, a transmission line and a motion control board, wherein a scanning path is set through the motion control board, and a control signal is transmitted to the scanning system module and the motion system module for operation through the transmission line;
the software system module provides an operation interface, can observe the scanning progress, the scanning position and the scanning result in real time, and is in communication connection with the scanning system module through a transmission line.
Further, the motion system module adopts a servo and planetary reducer to perform motion and positioning.
The system scanning flow is as follows:
firstly, a camera is automatically positioned to a radar array center area through a motion system module, then an address code scanning task is started on a software system module operation interface, the camera automatically starts transverse and longitudinal two-wheel large-range scanning, and the software system module obtains a motion speed V and the time T of each address code in a certain row by calling an API interface of a motion control board card X1 ,T X2 ，……，T Xn Time T at which each address code of a column appears Y1 ,T Y2 ，……，T Yn The transverse X, the longitudinal Y and the transverse step dX of the total size required by scanning can be automatically calculated （n-1） Longitudinal step dY （n-1） Thereby realizing scanning positioning under the condition of unequal interval component arrangement mode;
then, automatically positioning to a scanning starting point according to the radar array size parameter, automatically planning a path, automatically focusing and scanning the two-dimensional code, and transmitting scanned data into a background computer through a fast transmission line; the software system module performs image analysis and identification on the obtained picture data, automatically corrects the address code and judges whether the picture data is correct, records the information of the identifier when the read information contains the corresponding identifier, and prompts manual confirmation or correction when the read information does not contain the corresponding identifier; after successful recording or manual confirmation and correction, the scanning system module moves to the next address code position for scanning again; when the scanning device moves to the corner area to be scanned, the horizontal bidirectional scanning operation can be realized by moving up and down and then horizontally and reversely moving;
and after all scanning is completed, outputting an address code integral form.
The invention has the beneficial effects that:
the self-adaptive code scanning system based on the visual recognition technology is special equipment with non-standardized customization, modularized design and complete functions of software and hardware, can be self-adaptively used for automatically recognizing the address codes of most of size array planes, realizes scanning and positioning under the condition of non-equidistant component arrangement mode, and has stronger compatibility and expansibility. The intelligent code scanning recognition system automatically reads the component address codes and performs data analysis, processing and recording, so that the original manual transcription and recording work of workers can be effectively replaced, the efficiency of component address code input is improved, and the time for recognizing, processing and recording the address codes of a single radar array surface is only about 25% of that of manual work; on the other hand, the accuracy, the completeness and the order of the component address code input information are improved.
Drawings
FIG. 1 is a schematic diagram of a test flow according to the present invention.
Fig. 2 is a schematic view of the appearance of the present invention.
FIG. 3 is an enlarged view of a portion of a scan module according to the present invention.
Fig. 4 is a schematic diagram of the image processing flow of the code scanning software of the present invention.
Fig. 5 is a schematic diagram of a control flow of the motion control software according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
With reference to fig. 1-5, this embodiment discloses a radar array multi-size adaptive code scanning system based on image recognition technology, which comprises four parts of a scanning system module, a motion system module, a control system module and a software system module.
The scanning system module consists of 2, 6 (transmission line) and computer in figure 2, it adopts high-magnification industrial camera to make automatic focusing and photographing of component address code, and the data obtained by photographing is transferred into background industrial control computer by means of high-speed transmission line. The scanning module can carry out self-adaptive control, is provided with a necessary manual intervention interface on a human-computer interaction interface, is positioned to an effective reading position accurately, and automatically enters the address code position of the next component after scanning.
The motion system module consists of 3, 4 and 5 in figure 2, the full coverage of the array face address codes is realized through the lifting system and the translation system, and the movement range can be determined according to the actual length and the height of different array faces in a self-adaptive manner. The lifting system and the translation system can automatically position the scanning system to the address code region to be scanned, and when the scanning system moves to the corner region to be scanned, the scanning system module can be moved up and then moved back to continue working through the reverse motion function.
The control system module consists of the computer in fig. 2, 6 (control line) and the motion control boards in 3, 4 and 5, the digital motion control card DMC2210 and the IO board card are adopted, the scanning path can be flexibly set, the motion control software control flow diagram is shown in fig. 5, firstly, the board card initialization setting is carried out, then the pulse mode is set, then the motion speed mode of each shaft is set, an API interface is reserved for planning and calling by the self-adaptive software, and finally, the motion state detection interface can be provided for the intelligent software system call, so that the motion state can be read in real time and displayed in the software operation interface. And 4, positioning by adopting a servo and planetary reducer for driving the translatable module, and positioning by adopting a servo and planetary gear for a liftable rod in the 3.
The software system module provides a software operation interface in the computer and can observe the scanning progress, position and result in real time; the image processing software flow chart is shown in fig. 4, the software calls a computer vision open source library OpenCV to process an image, after the scanning system module collects the image, the software cuts and corrects the image, and adopts a gaussian filter function to process the filtering gray of sigma=3.66 on the image to obtain a high-quality high-sharpness two-dimensional code image, then the two-dimensional code image is subjected to binarization processing by using a self-adaptive threshold calculation method-maximum inter-class difference method, finally, the Harris corner detection calculation method is used for positioning the characteristic points of the two-dimensional code, and code reading operation is performed. The software system can automatically identify the error or blank address code, prompt manual confirmation at the industrial personal computer, automatically identify and store the correct address code, record and generate the whole form.
The software system module and the scanning system module are in communication connection through a high-speed transmission line.
The camera selected in the embodiment is a high-magnification industrial camera, and can realize automatic focusing, photographing and video recording of the component address codes.
To intelligently scan and identify address codes, an industrial camera is automatically positioned to an array center area through a motion system, then an address code scanning task is started on a software system interface, a high-magnification industrial camera automatically starts transverse and longitudinal two-wheel large-range video scanning, and a local software system obtains a motion speed V and the occurrence time T of each address code of a certain line in large-range scanning by calling an API (application program interface) of a DMC2210 motion control board card in a control system X1 ,T X2 ，……，T Xn Time T at which each address code of a column appears Y1 ,T Y2 ，……，T Yn The transverse X (longitudinal Y) and the transverse step dX of the total size required by scanning can be automatically calculated （n-1） (longitudinal step size dY) （n-1） ) Thereby realizing scanning positioning under the condition of unequal interval component arrangement mode.
X = V*（T Xn -T X1 ）
dX （n-1） = V*（T Xn -T X（n-1） ）
Y = V*（T Yn -T Y1 ）
dY （n-1） = V*（T Yn -T Y（n-1） ）
Such as: transverse first roomThe calculation formula of the interval is dX 1 = V*（TX 2 -TX 1 ）
And then the system automatically positions to a scanning starting point according to the array size parameters, automatically plans a path, automatically focuses and photographs the two-dimensional code, and the photographed data are transmitted into the background industrial personal computer through a high-speed transmission line. Two-dimensional code information writing has certain standard requirements, such as: the figure number is identified by P, the lot number is identified by S, and the error correction level is M (15%). The software system can carry out image analysis and identification on the obtained picture data, automatically correct the two-dimensional code and judge whether the two-dimensional code is correct, when the information read by the software contains the corresponding identifier, the information after the identifier is recorded, and when the information is not read by the software or the read information does not contain the corresponding identifier, the manual confirmation or correction is prompted; after successful recording or manual confirmation and correction, the scanning system moves to the next address code position to scan again, and when the scanning system moves to the corner area to be scanned, the scanning system can move up and down and then horizontally and reversely to realize horizontal bidirectional scanning. And after all scanning is completed, outputting an address code integral form.
The control of the code scanning identification process is fully automatic and is matched with a necessary human intervention interface.
The invention is special equipment with non-standardized design, is mainly used for automatic identification, reading and data processing of the address code of the radar array surface, can effectively replace the work of purely manual code scanning and recording, shortens the address code identification processing time of a single radar array surface to 15 minutes, and improves the code scanning accuracy and the integrity and the order. The system with the modularized design has stronger compatibility and expansibility, can be self-adaptive to most of radar array surfaces with large sizes, and has stronger universality and intelligence.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A radar array face multi-size self-adaptive code scanning system is characterized in that: the system consists of four parts, namely a scanning system module, a motion system module, a control system module and a software system module;
the scanning system module consists of a camera, a transmission line and a computer, wherein the camera adopts an industrial camera to automatically focus and photograph the component address code, and the photographed data is transmitted into a background computer through the transmission line; the scanning module can carry out self-adaptive control, is provided with a manual intervention interface on the man-machine interaction interface, starts scanning operation after the man-machine interaction interface is positioned at an effective reading position, and automatically enters the position of the next component after the scanning is finished;
the motion system module consists of a lifting system, a translation system and a lifting base, the full coverage of the array face address codes is realized through the lifting system and the translation system, and the motion range is determined according to the actual length and the height of different array faces in a self-adaptive manner; the lifting system and the translation system can automatically position the scanning system to an address code region to be scanned, and when the scanning system moves to the corner region to be scanned, the scanning system module can be moved upwards and then moved reversely to continue working through a reverse movement function;
the control system module consists of a computer, a transmission line and a motion control board, wherein a scanning path is set through the motion control board, and a control signal is transmitted to the scanning system module and the motion system module for operation through the transmission line;
the software system module provides an operation interface, can observe the scanning progress, the scanning position and the scanning result in real time, and is in communication connection with the scanning system module through a transmission line;
when scanning is executed, firstly, a camera is automatically positioned to a radar array surface central area through a motion system module, then an address code scanning task is started on a software system module operation interface, the camera automatically starts two-round scanning in the transverse direction and the longitudinal direction, and the software system module obtains a motion speed V and the occurrence time T of each address code of a certain row by calling an API interface of a motion control board card X1 ,T X2 ，……，T Xn Time T at which each address code of a column appears Y1 ,T Y2 ，……，T Yn The transverse total size required by scanning can be automatically calculatedX, longitudinal Y and transverse step dX (n-1) Longitudinal step dY (n-1) Thereby realizing scanning positioning under the condition of unequal interval component arrangement mode;
then, automatically positioning to a scanning starting point according to the radar array size parameter, automatically planning a path, automatically focusing and scanning the two-dimensional code, and transmitting scanned data into a background computer through a fast transmission line; the software system module performs image analysis and identification on the obtained picture data, automatically corrects the address code and judges whether the picture data is correct, records the information of the identifier when the read information contains the corresponding identifier, and prompts manual confirmation or correction when the read information does not contain the corresponding identifier; after successful recording or manual confirmation and correction, the scanning system module moves to the next address code position for scanning again; when the scanning device moves to the corner area to be scanned, the horizontal bidirectional scanning operation can be realized by moving up and down and then horizontally and reversely moving;
and after all scanning is completed, outputting an address code integral form.
2. The radar array multiscale adaptive code scanning system of claim 1 wherein: the motion system module adopts a servo and planetary reducer to perform motion and positioning.
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