Automobile electronic assembly precision improving system

Abstract

The invention discloses an automobile electronic assembly precision improving system, which relates to the technical field of automobile assembly, and comprises an acquisition module, a control module, an assembly management module and a detection module, the control module is used for selecting programming code blocks required to be used in the intelligent assembly process in the PLC control system and intelligently recompiling and combining the programming code blocks to obtain a control program required in the current assembly process; the assembly management module is used for carrying out sequence management on an assembly process line and carrying out quality supervision management on electronic accessories; according to the method, overall intelligentization is carried out on the automobile assembly process by modifying the code blocks, the assembly operation and the assembly structure are customized in a personalized mode according to detailed information of different electronic accessories, the overall assembly process is detected in real time, the personalized customization time is greatly shortened, the high-end customer cost is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile assembly, and in particular to an automobile electronic assembly precision improvement system. Background Art

[0002] Modern cars are increasingly dependent on electronic systems to support various functions, such as in-vehicle entertainment systems, driver assistance systems, and autonomous driving technologies. The integration and complexity of these systems increase the difficulty of assembly. The performance of automotive electronic systems directly affects the driving performance and safety of the vehicle. The improvement of assembly accuracy not only affects the reliability of the car, but also affects the user's driving experience and satisfaction. Traditional manual assembly methods may be affected by operator skills and fatigue, resulting in assembly errors. In traditional methods, error detection and correction usually rely on complex manual detection equipment and manual inspection, which is costly and inefficient. The use of big data analysis and machine learning technology can monitor the assembly process in real time, automatically identify and correct errors, and thus improve assembly accuracy.

[0003] At present, the existing technology is unable to make the automobile assembly process intelligent as a whole, to customize the assembly operation and assembly structure according to the detailed information of different electronic accessories, and to perform real-time detection of the overall assembly process. It is unable to significantly reduce the time of personalized customization, save costs for high-end customers, and significantly improve the efficiency of assembly line automobile manufacturing. Summary of the invention

[0004] The technical problem solved by the present invention is that the prior art is unable to intelligentize the entire automobile assembly process, to customize the assembly operation and assembly structure according to the detailed information of different electronic accessories, and to perform real-time detection of the overall assembly process, and is unable to significantly reduce the time for personalized customization, save high-end customer costs, and significantly improve the efficiency of assembly line automobile manufacturing.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an automobile electronic assembly precision improvement system, comprising a collection module, a control module, an assembly management module and a detection module; The acquisition module is used to identify the outer contour of the automotive electronic parts to be tested, and import the outer contour into the 3D modeling software to draw a three-dimensional model; The control module is used to select the programming code blocks needed in the intelligent assembly process in the PLC control system and intelligently adapt and combine the programming code blocks to obtain the control program required for the current assembly process, and treat all electronic accessories as the intelligent body of the entire production system, and each intelligent body carries independent information describing its own attributes in turn; The assembly management module is used to perform sequence management on the assembly process line and quality supervision and management of electronic accessories; The detection module is used to perform defect detection and function testing on the assembly results of electronic accessories.

[0006] Preferably, the acquisition module includes: The scanning range and angle of the 3D camera are set, and the parameters of the resolution and scanning speed of the 3D camera are adjusted to optimize data acquisition. Optimizing data acquisition includes adjusting parameters to make the image clear. The data includes point cloud data of the electronic accessory. A filtering algorithm is used to remove noise in the point cloud data. The point cloud data scanned multiple times are contour aligned. All contour-aligned point cloud data are taken to form a complete three-dimensional model. The Canny edge detection algorithm is used to extract contour features from the contour-aligned point cloud data. A triangular mesh is used to reconstruct the outer contour three-dimensional model of the electronic accessory according to the contour features.

[0007] Preferably, the control module includes a positioning unit, a selection unit and an intelligent adaptation unit: The positioning unit utilizes the three-dimensional model of the outer contour of the electronic accessory acquired by the acquisition module, combined with an electronic accessory production program based on positioning function and visual inspection, to assemble the electronic accessory, as well as to perform real-time detection and precise positioning of the assembly status of the electronic accessory.

[0008] Preferably, the selection unit is used to collect detailed information of all electronic accessories, the detailed information includes the attributes and requirements of the electronic accessories, the attributes and requirements are respectively normalized to obtain attribute features and requirement features, the attribute features and requirement features are in the form of vector features, the convolution sum of the attribute features and requirement features is calculated to obtain an independent information feature vector of the electronic accessories, the independent information feature vector includes independent information describing the attributes of the electronic accessories as the intelligent entity of the entire production system; Collect historical programming codes, identify programming code blocks, and disassemble the programming code blocks into basic modules, each of which represents a corresponding function. The corresponding function includes the intelligent processing means required in the assembly process, and the intelligent processing means include automated laser welding technology, automated panel positioning and alignment technology, and automated wiring harness wiring equipment technology. The basic modules are constructed into a code block database; Converting the independent information feature vector into machine language includes: Output the independent information feature vector into a numerical vector through an embedding layer, perform dimension reduction operation on the numerical vector using principal component analysis (PCA), extract key features of the independent information feature vector, and convert the dimension-reduced numerical vector into machine language using a pre-trained neural network; According to the attributes and requirements of the electronic accessories converted into machine language, corresponding basic modules of functions corresponding to the attributes and requirements are selected in the code block database.

[0009] Preferably, the intelligent adaptation unit performs fill-in-the-blank intelligent adaptation and combination according to the basic modules selected by the selection unit, generates the required control program, applies the generated control program to the corresponding assembly process, and personalizes the control intelligent body.

[0010] Preferably, the assembly management module includes a production line layout management unit and a closed-loop quality management unit: The assembly management system drives and manages the assembly process of the electronic accessories based on unitization, wherein the unitization includes a single-piece flow working mode, and the assembly process includes: The assembly process is divided into independent assembly units, each assembly unit is responsible for corresponding operations, the workflow and interface of the corresponding operations are designed for the hardware configuration of each assembly unit, the electronic accessories are managed and stored as individual pieces, a unique identification code is identified for the electronic accessories, the identification code is used to record the detailed information, specifications and production batch of the electronic accessories, all the electronic accessories to be assembled flow into the assembly line piece by piece in the assembly order, the assembly operation of the corresponding assembly unit is performed according to the detailed information of the electronic accessories, and the code block of each assembly unit of the electronic accessories is adapted according to the detailed information by the control module; The single-piece flow includes that during the assembly process, each assembly unit is assembled only as a semi-finished product without batch processing and batch transfer; A comprehensive report of the assembly process and quality management of the entire assembly process is generated, and the assembly process of each electronic component is stored in the identification code of the electronic component.

[0011] Preferably, the production line layout management unit establishes a database of all electronic accessories, the database including data on manufacturing, logistics, production, sales and services of all electronic accessories, the data including structured, unstructured and original data structures; The detailed information and assembly process of the electronic accessory are obtained according to the identification code of the electronic accessory, and the complete assembly process of the electronic accessory is generated by the control module into an assembly code block that only performs the assembly process, and the assembly code block is stored in the code block database, and is adjusted through the control module according to the detailed information of each electronic accessory, and the adjusted assembly code block is stored in the PLC control system.

[0012] Preferably, the closed-loop quality management unit includes a planning stage, an execution stage, an inspection stage and a processing stage: The quality threshold and assembly efficiency threshold of the electronic parts are set. In the planning stage, a quality management plan is prepared based on the comprehensive report. The quality management plan includes quality control process, inspection frequency and personnel responsibility allocation. The plan includes all emergency avoidance sub-plans. The emergency situations include assembly process jams, high assembly error rates, damage to electronic parts and missing electronic parts. The execution phase implements quality management measures as planned and records production and quality data, which include operation records, measurement results and test reports; The inspection stage uses surveillance cameras to monitor the production process in real time and conducts quality inspections on electronic components and assembly processes at all quality control points, where the quality control points are assembly completion nodes of the assembly units; When the quality of the electronic component at the quality control point is greater than or equal to the quality threshold, the electronic component enters the next assembly unit; When the quality of the electronic accessory at the quality control point is less than the quality threshold, the code block is readjusted by the control unit, and the electronic accessory is discarded; If the assembly efficiency is lower than the assembly efficiency threshold during the monitored production process, an alarm will be issued.

[0013] Preferably, the detection module includes a defect detection unit and a function test unit: The defect detection unit comprises: Using the closed-loop quality management unit to inspect and manage electronic components and assembly efficiency; The assembled car is subjected to overall defect detection, wherein the overall defect detection includes using an infrared scanner to perform overall thermal imaging of the car, using the Yolo algorithm to find defects in the thermal imaging, and correcting the defects.

[0014] Preferably, the functional testing unit comprises: The functional defect detection of the automobile includes: Start the car and check the warning and indicator lights on the dashboard, check the engine starting, acceleration and idling stability, check the transmission shifting smoothness and response, test the brake response time and braking effect, check the stability and comfort of the vehicle during driving, and test the functions of electronic equipment and systems including the vehicle information system and air conditioning system; If a defect is detected, the root cause of the defect is investigated, which may include component wear, system failure, and operational issues.

[0015] The beneficial effects of the present invention are as follows: the automobile assembly process is made intelligent as a whole, and the assembly operation and assembly structure are customized according to the detailed information of different electronic accessories, and the overall assembly process is detected in real time, which greatly reduces the time of personalized customization, saves high-end customer costs, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A basic flow chart of a system for improving the precision of automotive electronic assembly is provided in accordance with an embodiment of the present invention. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings. It is obvious that the described embodiments are only part of the embodiments of the present invention, but not all of the embodiments.

[0018] Reference Figure 1 , as an embodiment of the present invention, provides an automotive electronic assembly precision improvement system, including a collection module, a control module, an assembly management module and a detection module; The acquisition module is used to identify the outer contour of the automotive electronic parts to be tested, and import the outer contour into the 3D modeling software to draw a three-dimensional model; The control module is used to select the programming code blocks needed in the intelligent assembly process in the PLC control system and intelligently adapt and combine the programming code blocks to obtain the control program required for the current assembly process, and regard all electronic accessories as the intelligent body of the entire production system. Each intelligent body has independent information describing its own attributes in turn, thereby realizing the information-based intelligent assembly control program of personalized customized process equipment. The intelligent body refers to a component or unit with independent identity, function and attribute. In this context, each electronic accessory is regarded as an intelligent body; The assembly management module is used to perform sequence management on the assembly process line and quality supervision and management of electronic accessories; The detection module is used to perform defect detection and function testing on the assembly results of electronic accessories.

[0019] The overall automobile assembly process is intelligentized, and the assembly operation and assembly structure are customized according to the detailed information of different electronic parts. The overall assembly process is also tested in real time, which greatly reduces the time of personalized customization, saves high-end customer costs, and improves production efficiency.

[0020] The acquisition module comprises: The scanning range and angle of the 3D camera are set to ensure that the entire outer contour of the accessory is covered, and the parameters of the resolution and scanning speed of the 3D camera are adjusted to optimize data acquisition. Optimizing data acquisition includes adjusting parameters to make the image clear. The data includes point cloud data of the electronic accessory. A filtering algorithm is used to remove noise in the point cloud data, and the point cloud data scanned multiple times are contour aligned. All the contour-aligned point cloud data are taken to form a complete three-dimensional model. The Canny edge detection algorithm is used to extract contour features from the contour-aligned point cloud data. A triangular mesh is used to reconstruct the outer contour three-dimensional model of the electronic accessory according to the contour features. The outer contour of the model of the automotive electronic accessory can be effectively identified and processed to ensure high precision and reliability of the assembly process.

[0021] The control module includes a positioning unit, a selection unit and an intelligent adaptation unit: The positioning unit utilizes the three-dimensional model of the outer contour of the electronic accessory acquired by the acquisition module, combined with an electronic accessory production program based on positioning function and visual inspection, to assemble the electronic accessory, as well as to perform real-time detection and precise positioning of the assembly status of the electronic accessory.

[0022] The selection unit is used to collect detailed information of all electronic accessories, the detailed information includes the attributes and requirements of the electronic accessories, the attributes and requirements are respectively normalized to obtain attribute features and requirement features, the attribute features and requirement features are in the form of vector features, the convolution sum of the attribute features and requirement features is calculated to obtain an independent information feature vector of the electronic accessories, the independent information feature vector includes independent information describing the attributes of the electronic accessories as the intelligent body of the entire production system; Collect historical programming codes, identify programming code blocks, and disassemble the programming code blocks into basic modules, each of which represents a corresponding function. The corresponding function includes the intelligent processing means required in the assembly process, and the intelligent processing means include automated laser welding technology, automated panel positioning and alignment technology, and automated wiring harness wiring equipment technology. The basic modules are constructed into a code block database; Converting the independent information feature vector into machine language includes: Output the independent information feature vector into a numerical vector through an embedding layer, perform dimension reduction operation on the numerical vector using principal component analysis (PCA), extract key features of the independent information feature vector, and convert the dimension-reduced numerical vector into machine language using a pre-trained neural network; According to the attributes and requirements of the electronic accessories converted into machine language, corresponding basic modules of functions corresponding to the attributes and requirements are selected in the code block database.

[0023] The intelligent adaptation unit performs fill-in-the-blank intelligent adaptation and combination according to the basic modules selected by the selection unit, generates the required control program, applies the generated control program to the corresponding assembly process, and personalizes the control intelligent body to realize personalized customized process equipment.

[0024] By writing a program in the PLC control system through the intelligent adaptation unit, the assembly data of electronic accessories are collected, processed and stored, and then provided to the control program running on the same hardware terminal quickly, promptly, accurately and reliably. The control program optimizes the control of process equipment and the information exchange of the main control system of the assembly test production line based on the assembly data with the support of the control module and system software.

[0025] The assembly management module includes a production line layout management unit and a closed-loop quality management unit: The assembly management system drives and manages the assembly process of the electronic accessories based on unitization, wherein the unitization includes a single-piece flow working mode, and the assembly process includes: The assembly process is divided into independent assembly units, each of which is responsible for corresponding operations. The workflow and interface of the corresponding operations are designed for the hardware configuration of each assembly unit to ensure the smooth flow of information and materials. The electronic accessories are managed and stored as individual items. A unique identification code is identified for the electronic accessories. The identification code is used to record the detailed information, specifications and production batch of the electronic accessories. All the electronic accessories to be assembled flow into the assembly line piece by piece in the order of assembly. The assembly operation of the corresponding assembly unit is performed according to the detailed information of the electronic accessories. The code blocks of each assembly unit of the electronic accessories are adapted by the control module according to the detailed information, so that the adapted code blocks can perform personalized assembly operations according to the characteristics of the electronic accessories. The single-piece flow includes that during the assembly process, each assembly unit is assembled only as a semi-finished product without batch processing and batch transfer; A comprehensive report of the assembly process and quality management of the entire assembly process is generated, and the assembly process of each electronic component is stored in the identification code of the electronic component for management decision-making.

[0026] Unitized production realizes the "single-piece flow" operation mode of the production line, which greatly reduces the waste in the production process, saves space in the factory area, shortens the product delivery cycle, reduces inventory and realizes flexible production. Unitized production does not require complex large-scale assembly lines, so the unitized production method has also been highly recognized in China. This unitized production model can effectively reduce the production cycle and increase delivery speed. It is particularly suitable for customer demand with a wide variety and small batches. The unitized production method can effectively reduce the transportation waste, waiting waste and action waste in the production process. When an abnormality occurs in the production process, it can respond quickly, and the defective products generated in the production process will be much less than that of the assembly line. At the same time, it can effectively reduce the inventory of work-in-progress and improve the turnover rate so that the company can continue to develop and quickly adapt to market changes.

[0027] The production line layout management unit establishes a database of all electronic accessories, the database includes data on manufacturing, logistics, production, sales and services of all electronic accessories, the data includes structured, unstructured and raw data structures, the database has great potential for storing and retrieving required data, can find out the root cause of electronic accessory problems in real time, make full use of the potential of data-driven marketing, and understand user purchasing habits based on the database to generate customer quotations and requirements; Detailed information and assembly process of the electronic accessory are obtained according to the identification code of the electronic accessory, and the complete assembly process of the electronic accessory is generated by the control module into an assembly code block that only performs the assembly process, and the assembly code block is stored in the code block database, and is adjusted through the control module according to the detailed information of each electronic accessory, and the adjusted assembly code block is stored in the PLC control system, so as to realize a fully intelligent assembly process, and personalized production can be carried out according to short-term production plans. The PLC signal can be evaluated and further processed based on the workshop level of the main engine factory, and the processed output data is also based on the workshop level and can provide higher-level data.

[0028] The closed-loop quality management unit includes planning stage, execution stage, inspection stage and processing stage: The quality threshold and assembly efficiency threshold of the electronic parts are set. In the planning stage, a quality management plan is prepared based on the comprehensive report. The quality management plan includes quality control process, inspection frequency and personnel responsibility allocation. The plan includes all emergency avoidance sub-plans. The emergency situations include assembly process jams, high assembly error rates, damage to electronic parts and missing electronic parts. The execution phase implements quality management measures as planned and records production and quality data, which include operation records, measurement results and test reports; The inspection phase uses surveillance cameras to monitor the production process in real time and conducts quality inspections on electronic components and assembly processes at all quality control points to ensure compliance with quality standards. The quality control points are assembly completion nodes of the assembly units. When the quality of the electronic component at the quality control point is greater than or equal to the quality threshold, the electronic component enters the next assembly unit; When the quality of the electronic accessory at the quality control point is less than the quality threshold, the code block is readjusted by the control unit, and the electronic accessory is discarded; If the assembly efficiency is lower than the assembly efficiency threshold during the monitored production process, an alarm will be issued.

[0029] The processing stage processes the problems found in the inspection stage, including defect repair and adjustment operations, and feeds back the processing results and improvement measures to the manager of the automotive electronic assembly precision improvement system to update the quality management plan and assembly process.

[0030] The closed-loop quality management unit requires manual troubleshooting of error points and technical updates and improvements to the automotive electronics assembly precision improvement system.

[0031] The detection module includes a defect detection unit and a functional testing unit: The defect detection unit comprises: Using the closed-loop quality management unit to inspect and manage electronic components and assembly efficiency; The assembled car is subjected to overall defect detection, wherein the overall defect detection includes using an infrared scanner to perform overall thermal imaging of the car, using the Yolo algorithm to find defects in the thermal imaging, and correcting the defects.

[0032] The functional testing unit comprises: The functional defect detection of the automobile includes: Start the car and check the warning and indicator lights on the dashboard, check the engine starting, acceleration and idling stability, check the transmission shifting smoothness and response, test the brake response time and braking effect, check the stability and comfort of the vehicle during driving, and test the functions of electronic equipment and systems including the vehicle information system and air conditioning system; If a defect is detected, the root cause of the defect is investigated, which may include component wear, system failure, and operational issues.

[0033] The present invention makes the automobile assembly process intelligent as a whole by adapting the code blocks, customizes the assembly operation and assembly structure according to the detailed information of different electronic accessories, and performs real-time detection of the overall assembly process, which greatly reduces the time of personalized customization, saves high-end customer costs, and improves production efficiency.

[0034] It should be understood by those skilled in the art that the embodiments of the present invention may be provided as methods, systems or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment or an embodiment combining software and hardware aspects. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media containing computer-usable program codes. Among them, the storage medium may be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (Static Random Access Memory, referred to as SRAM), electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only Memory, referred to as EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, referred to as EPROM), programmable read-only memory (Programmable Red-Only Memory, referred to as PROM), read-only memory (Read-Only Memory, referred to as ROM), magnetic memory, flash memory, magnetic disk or optical disk. These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A system for improving the precision of automotive electronic assembly. It is characterized in that It includes acquisition module, control module, assembly management module and detection module; The acquisition module is used to identify the outer contour of the automotive electronic parts to be tested, and import the outer contour into the 3D modeling software to draw a three-dimensional model; The control module is used to select the programming code blocks needed in the intelligent assembly process in the PLC control system and intelligently adapt and combine the programming code blocks to obtain the control program required for the current assembly process, and treat all electronic accessories as the intelligent body of the entire production system, and each intelligent body carries independent information describing its own attributes in turn; The assembly management module is used to perform sequence management on the assembly process line and quality supervision and management of electronic accessories; The detection module is used to perform defect detection and function testing on the assembly results of electronic accessories.

2. The automotive electronics assembly precision improvement system as claimed in claim 1, It is characterized in that The acquisition module comprises: The scanning range and angle of the 3D camera are set, and the parameters of the resolution and scanning speed of the 3D camera are adjusted to optimize data acquisition. Optimizing data acquisition includes adjusting parameters to make the image clear. The data includes point cloud data of the electronic accessory. A filtering algorithm is used to remove noise in the point cloud data. The point cloud data scanned multiple times are contour aligned. All contour-aligned point cloud data are taken to form a complete three-dimensional model. The Canny edge detection algorithm is used to extract contour features from the contour-aligned point cloud data. A triangular mesh is used to reconstruct the outer contour three-dimensional model of the electronic accessory according to the contour features.

3. The automotive electronics assembly precision improvement system as claimed in claim 2, It is characterized in that The control module includes a positioning unit, a selection unit and an intelligent adaptation unit: The positioning unit utilizes the three-dimensional model of the outer contour of the electronic accessory acquired by the acquisition module, combined with an electronic accessory production program based on positioning function and visual inspection, to assemble the electronic accessory, as well as to perform real-time detection and precise positioning of the assembly status of the electronic accessory.

4. The automotive electronics assembly precision improvement system as claimed in claim 3, It is characterized in that The selection unit is used to collect detailed information of all electronic accessories, the detailed information includes the attributes and requirements of the electronic accessories, the attributes and requirements are respectively normalized to obtain attribute features and requirement features, the attribute features and requirement features are in the form of vector features, the convolution sum of the attribute features and requirement features is calculated to obtain an independent information feature vector of the electronic accessories, the independent information feature vector includes independent information describing the attributes of the electronic accessories as the intelligent body of the entire production system; Collect historical programming codes, identify programming code blocks, and disassemble the programming code blocks into basic modules, each of which represents a corresponding function. The corresponding function includes the intelligent processing means required in the assembly process, and the intelligent processing means include automated laser welding technology, automated panel positioning and alignment technology, and automated wiring harness wiring equipment technology. The basic modules are constructed into a code block database; Converting the independent information feature vector into machine language includes: Output the independent information feature vector into a numerical vector through an embedding layer, perform dimension reduction operation on the numerical vector using principal component analysis (PCA), extract key features of the independent information feature vector, and convert the dimension-reduced numerical vector into machine language using a pre-trained neural network; According to the attributes and requirements of the electronic accessories converted into machine language, corresponding basic modules of functions corresponding to the attributes and requirements are selected in the code block database.

5. The automotive electronics assembly precision improvement system as claimed in claim 4, It is characterized in that The intelligent adaptation unit performs fill-in-the-blank intelligent adaptation and combination according to the basic modules selected by the selection unit, generates the required control program, applies the generated control program to the corresponding assembly process, and personalizes the control intelligent body.

6. The automotive electronics assembly precision improvement system as claimed in claim 5, It is characterized in that The assembly management module includes a production line layout management unit and a closed-loop quality management unit: The assembly management system drives and manages the assembly process of the electronic accessories based on unitization, wherein the unitization includes a single-piece flow working mode, and the assembly process includes: The assembly process is divided into independent assembly units, each assembly unit is responsible for corresponding operations, the workflow and interface of the corresponding operations are designed for the hardware configuration of each assembly unit, the electronic accessories are managed and stored as individual pieces, a unique identification code is identified for the electronic accessories, the identification code is used to record the detailed information, specifications and production batch of the electronic accessories, all the electronic accessories to be assembled flow into the assembly line piece by piece in the assembly order, the assembly operation of the corresponding assembly unit is performed according to the detailed information of the electronic accessories, and the code block of each assembly unit of the electronic accessories is adapted according to the detailed information by the control module; The single-piece flow includes that during the assembly process, each assembly unit is assembled only as a semi-finished product without batch processing and batch transfer; A comprehensive report of the assembly process and quality management of the entire assembly process is generated, and the assembly process of each electronic component is stored in the identification code of the electronic component.

7. The automotive electronics assembly precision improvement system as claimed in claim 6, It is characterized in that The production line layout management unit establishes a database of all electronic accessories, wherein the database includes data on manufacturing, logistics, production, sales and services of all electronic accessories, wherein the data includes structured, unstructured and original data structures; The detailed information and assembly process of the electronic accessory are obtained according to the identification code of the electronic accessory, and the complete assembly process of the electronic accessory is generated by the control module into an assembly code block that only performs the assembly process, and the assembly code block is stored in the code block database, and is adjusted through the control module according to the detailed information of each electronic accessory, and the adjusted assembly code block is stored in the PLC control system.

8. The automotive electronics assembly precision improvement system as claimed in claim 7, It is characterized in that The closed-loop quality management unit includes planning stage, execution stage, inspection stage and processing stage: The quality threshold and assembly efficiency threshold of the electronic parts are set. In the planning stage, a quality management plan is prepared based on the comprehensive report. The quality management plan includes quality control process, inspection frequency and personnel responsibility allocation. The plan includes all emergency avoidance sub-plans. The emergency situations include assembly process jams, high assembly error rates, damage to electronic parts and missing electronic parts. The execution phase implements quality management measures as planned and records production and quality data, which include operation records, measurement results and test reports; The inspection stage uses surveillance cameras to monitor the production process in real time and conducts quality inspections on electronic components and assembly processes at all quality control points, where the quality control points are assembly completion nodes of the assembly units; When the quality of the electronic component at the quality control point is greater than or equal to the quality threshold, the electronic component enters the next assembly unit; When the quality of the electronic accessory at the quality control point is less than the quality threshold, the code block is readjusted by the control unit, and the electronic accessory is discarded; If the assembly efficiency is lower than the assembly efficiency threshold during the monitored production process, an alarm will be issued.

9. The automotive electronics assembly precision improvement system as claimed in claim 8, It is characterized in that The detection module includes a defect detection unit and a functional testing unit: The defect detection unit comprises: Using the closed-loop quality management unit to inspect and manage electronic components and assembly efficiency; The assembled car is subjected to overall defect detection, wherein the overall defect detection includes using an infrared scanner to perform overall thermal imaging of the car, using the Yolo algorithm to find defects in the thermal imaging, and correcting the defects.

10. The automotive electronics assembly precision improvement system as claimed in claim 9, It is characterized in that The functional testing unit comprises: The functional defect detection of the automobile includes: Start the car and check the warning and indicator lights on the dashboard, check the engine starting, acceleration and idling stability, check the transmission shifting smoothness and response, test the brake response time and braking effect, check the stability and comfort of the vehicle during driving, and test the functions of electronic equipment and systems including the vehicle information system and air conditioning system; If a defect is detected, the root cause of the defect is investigated, which may include component wear, system failure, and operational issues.

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