Automobile wire harness performance parameter testing system

Through the automotive wire harness performance parameter testing system, the abnormal sound is identified using simulation test and deep learning, and the problem that existing testing technology cannot accurately adapt to actual operation requirements is solved, achieving comprehensive and accurate performance evaluation.

CN119224463APending Publication Date: 2024-12-31CHAOHU RUICHANG ELECTRICAL SYSTEMS CO LTD
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Patent Information

Application Number
CN202411387382.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-01
Publication Date
2024-12-31

AI Technical Summary

Technical Problem

The existing automotive wire harness performance testing technology cannot accurately adapt to the actual operation requirements of the car, and the test results are one-sided, and there is a lack of testing and research on the trend of abnormal noise and howling faults.

Method used

Design the automotive wire harness performance parameter test system, including simulation test group, silent test box, acquisition module, analysis module and visual feedback platform, simulate different road conditions and environmental conditions through the simulation system, collect and analyze electrical, physical and signal transmission parameters, and combine with the machine Learning and deep learning algorithms identify abnormal sounds and comprehensively judge the performance of the wiring harness.

Benefits of technology

It has achieved a comprehensive evaluation of the performance of the automotive wiring harness, accurately adapted to actual operating requirements, identified the types of wiring harness abnormalities and fault trends, and improved the accuracy and diversification of the test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an automobile wire harness performance parameter test system, and relates to the technical field of automobile wire harnesses, the automobile wire harness performance parameter test system comprises a test assembly and a control module, the test assembly comprises a simulation test group and a mute test box, and the control module comprises an acquisition module, an analysis module, a judgment model unit and a visual feedback platform; a simulation system is constructed in the simulation test group, and when the automobile wire harness is installed in the simulation system for operation, operation state parameters of an automobile under different road conditions and environment conditions are simulated; the simulation system is constructed to simulate the running state parameters of the automobile under different road conditions and environment conditions, the change relevance between the running state parameters and the current parameters of the automobile wire harness is analyzed, the reference variable is obtained, the first performance of the automobile wire harness is comprehensively judged, the actual running requirements of the automobile wire harness are met, and the reliability of the automobile wire harness is improved. The sound of the automobile wire harness is synchronously recognized and collected through the mute test box, the abnormal type of the wire harness represented by the sound is recognized, the second performance of the automobile wire harness is judged, and the method is more comprehensive.
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Description

Technical Field

[0001] The invention relates to the technical field of automobile wiring harnesses, in particular to an automobile wiring harness performance parameter testing system. Background Art

[0002] The automotive wiring harness is the main body of the automotive circuit network. The contact terminals (connectors) punched from copper are crimped with wires and cables, covered with an insulator or metal shell, and bundled in the form of a harness to form a component that connects the circuit. It is a key part that connects the automotive power supply, electrical equipment, and switches to ensure a stable flow of current and the normal operation of the automotive electrical system. The design of the automotive wiring harness must take into account electrical performance, physical properties, and ease of assembly, and must undergo rigorous testing to ensure quality and reliability, thereby ensuring the safety and performance of the vehicle. In modern cars, the role of automotive wiring harnesses is indispensable and is the cornerstone of the normal operation of the automotive electrical system; In the production of automotive wiring harnesses, the testing of their performance parameters is crucial. In the prior art, electrical parameter measurement and signal transmission testing of automotive wiring harnesses are generally performed based on a variety of different combinations of environmental parameters such as temperature and humidity to obtain electrical measurement data and signal transmission data, and perform attribute classification and feature extraction to thereby perform influencing factor analysis. However, the most important thing about automotive wiring harnesses is the automotive operating conditions. Simple environmental tests are difficult to adapt to the actual operating needs of automotive wiring harnesses. The test structure is not accurate enough, and during the operation of circuit elements, many details and fault trends can be identified by abnormal noises and howling. The prior art lacks testing and research in this regard, which makes the final test results one-sided. Therefore, the present invention proposes an automotive wiring harness performance parameter testing system to solve the problems existing in the prior art. Summary of the invention

[0003] In view of the above problems, the present invention proposes an automobile wiring harness performance parameter testing system, which constructs a simulation system to simulate the operating status parameters of an automobile under different road conditions and environmental conditions. Thus, the correlation between the real-time simulated operating status parameters and the changes in the current parameters of the automobile wiring harness is analyzed to obtain the benchmark variables, so as to comprehensively judge the first-level performance of the automobile wiring harness and adapt to the actual operating needs of the automobile wiring harness.

[0004] To achieve the purpose of the present invention, the present invention is implemented by the following technical solutions: an automobile wiring harness performance parameter testing system, comprising a testing component and a control module, the testing component comprising a simulation test group and a silent test box, the control module comprising an acquisition module, an analysis module, a judgment model unit and a visual feedback platform; The simulation test group internally constructs a simulation system. When the automobile wiring harness is installed in the simulation system for operation, the operating state parameters of the automobile under different road conditions and environmental conditions are simulated. The acquisition module is connected to the simulation system to acquire the electrical parameters, physical parameters and signal transmission parameters of the automobile wiring harness and store them. The analysis module is used to analyze the correlation between the real-time simulated operating state parameters and the changes in the current parameters of the automobile wiring harness, obtain the benchmark variables, and judge the first level performance of the automobile wiring harness. The silent test box is silent inside. When the automobile wiring harness is installed in the simulation system for operation, the sound of the automobile wiring harness is acquired through the acquisition module and stored. The judgment model unit is used to compare and identify the type of wiring harness abnormality represented by the sound according to the standard operating conditions of the automobile wiring harness, and judge the second level performance of the automobile wiring harness. The visual feedback platform is used to comprehensively judge the data and output a test report.

[0005] Further improvements are: the simulation system is built based on a physical model, simulating the structure and position of the automobile wiring harness in the automobile, simulating the operating state parameters of the automobile under different road conditions, including vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters; simulating the operating state parameters under different environmental conditions, including temperature parameters, humidity parameters, and ultraviolet intensity parameters.

[0006] Further improvements are as follows: the simulation system is internally integrated with a master control module and a multi-channel sensor array, the master control module is used to record all simulated operating status parameters in real time, the multi-channel sensor array is used to access the automotive wiring harness installed in the simulation system, and synchronously record the electrical parameters of the automotive wiring harness, including voltage, current, resistance, capacitance, inductance; physical parameters, including temperature, humidity, stress, vibration; signal transmission parameters, including signal integrity, interference suppression, and transmission rate.

[0007] A further improvement is that the acquisition module includes an access unit and a storage unit, the access unit is used to access the master control module and the multi-channel sensor array, and acquire data recognized by the master control module and the multi-channel sensor array, the storage unit is used to store the acquired data, and associate the data recognized by the master control module and the multi-channel sensor array with corresponding time synchronization, and add a timestamp.

[0008] Further improvements are as follows: the analysis module is connected to the storage unit, and a statistical algorithm is combined with a machine learning algorithm to analyze and fit the data identified by the associated master control module and the multi-channel sensor array, identify the correlation between parameters, the positive and negative influencing variables of each other, and extract effective benchmark variables. Then, combined with expert experience and automotive engineering standards, the first level of performance of the automotive wiring harness is judged, including the electrical stability, signal transmission quality, and physical durability of the automotive wiring harness.

[0009] A further improvement is that the interior of the silent test box is silent to block external noise, and a surround microphone is provided inside the silent test box. The surround microphone surrounds the installed automotive wiring harness and collects possible sounds of the automotive wiring harness during operation in a 360° orientation. When the surround microphone cannot collect sound, the access unit is not triggered. When the surround microphone collects sound, the access unit is triggered. The access unit collects sound data, stores it in a storage unit, and adds a timestamp.

[0010] A further improvement is that the judgment model unit includes a benchmark data packet and a comparison model, the benchmark data includes all sound data related to the operation of the automobile wiring harness, including various abnormal noises, howling and related decibel data, and the working conditions of the automobile wiring harness represented by different abnormal noises, howling and related decibel data.

[0011] Further improvements are as follows: the comparison module is used to construct the data of the benchmark data packet into a comparison model, and adopts a deep learning algorithm to input the real-time sound data stored in the storage unit into the comparison model for comparison. First, the abnormal sound and howling types to which the sound data belongs are compared and judged, thereby deriving the working conditions represented by them. Then, based on the decibels of the current sound data, the specific progress of the corresponding working conditions is compared and judged, and the subsequent change trends are evaluated. Thus, the second level performance of the automotive wiring harness is judged, including the real-time faults and abnormal trends of the automotive wiring harness.

[0012] A further improvement is that the visual feedback platform is based on a display and includes a report output unit and a human-computer interaction unit. The report output unit is used to display real-time simulation data of the simulation system, parameter data of the first and second performance levels, and overall evaluation prediction data of the automotive wiring harness, and generate a test report.

[0013] A further improvement is that the human-computer interaction unit is used for the user to adjust simulation test parameters, customize detailed data viewing, and adjust report content and format as needed.

[0014] The beneficial effects of the present invention are: 1. The present invention constructs a simulation system to simulate the operating state parameters of a car under different road conditions and environmental conditions. Thus, the correlation between the real-time simulated operating state parameters and the current parameters of the car wiring harness is analyzed to obtain the benchmark variables, so as to comprehensively judge the first-level performance of the car wiring harness and adapt to the actual operation needs of the car wiring harness. The sound of the car wiring harness is simultaneously collected through the silent test box. Based on the standard data, the type of abnormal wiring harness represented by the sound can be compared and identified to judge the second-level performance of the car wiring harness, so that the test results are more comprehensive.

[0015] 2. The present invention simulates the vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters of the car under different road conditions while taking into account the temperature parameters, humidity parameters and ultraviolet intensity parameters, covering various external influences that the car wiring harness needs to face, making the test results more accurate. At the same time, the present invention collects the possible sounds of the car wiring harness during operation in a 360° orientation, compares the models of various abnormal noises, howling and related decibel data, first determines the type of abnormal noise and howling to which the wiring harness sound data belongs, and then determines the specific progress of the corresponding working condition according to the decibel, evaluates the subsequent change trend, and diversifies the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the composition of the present invention; Figure 2 It is a test flow chart of the present invention. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Example 1

[0018] according to Figure 1 , 2 As shown, this embodiment proposes a vehicle wiring harness performance parameter test system, including a test component and a control module, the test component includes a simulation test group and a silent test box, the control module includes a collection module, an analysis module, a judgment model unit and a visual feedback platform; The simulation test group internally constructs a simulation system. When the automobile wiring harness is installed in the simulation system for operation, the operating state parameters of the automobile under different road conditions and environmental conditions are simulated. The acquisition module is connected to the simulation system to acquire the electrical parameters, physical parameters and signal transmission parameters of the automobile wiring harness and store them. The analysis module is used to analyze the correlation between the real-time simulated operating state parameters and the changes in the current parameters of the automobile wiring harness, obtain the benchmark variables, and judge the first level performance of the automobile wiring harness. The silent test box is silent inside. When the automobile wiring harness is installed in the simulation system for operation, the sound of the automobile wiring harness is acquired through the acquisition module and stored. The judgment model unit is used to compare and identify the type of wiring harness abnormality represented by the sound according to the standard operating conditions of the automobile wiring harness, and judge the second level performance of the automobile wiring harness. The visual feedback platform is used to comprehensively judge the data and output a test report. When in use, a simulation system is constructed to simulate the operating status parameters of the car under different road conditions and environmental conditions. Thus, the correlation between the real-time simulated operating status parameters and the current parameters of the car wiring harness is analyzed to obtain the benchmark variables, so as to comprehensively judge the first-level performance of the car wiring harness and adapt to the actual operating needs of the car wiring harness. At the same time, the sound of the car wiring harness is collected through the silent test box. Based on the standard data, the type of wire harness abnormality represented by the sound can be compared and identified to judge the second-level performance of the car wiring harness, making the test results more comprehensive.

[0019] The simulation system is constructed based on a physical model, simulating the structure and position of the automobile wiring harness in the automobile, simulating the operating state parameters of the automobile under different road conditions, including vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters; simulating the operating state parameters under different environmental conditions, including temperature parameters, humidity parameters and ultraviolet intensity parameters. While simulating the temperature parameters, humidity parameters and ultraviolet intensity parameters, the vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters of the automobile under different road conditions are included, covering various external influences that the automobile wiring harness needs to face, making the test results more accurate.

[0020] The simulation system is internally integrated with a master control module and a multi-channel sensor array. The master control module is used to record all simulated operating state parameters in real time. The multi-channel sensor array is used to access the automotive wiring harness installed in the simulation system and synchronously record the electrical parameters of the automotive wiring harness, including voltage, current, resistance, capacitance, and inductance; physical parameters, including temperature, humidity, stress, and vibration; and signal transmission parameters, including signal integrity, interference suppression, and transmission rate. Multi-dimensional acquisition of automotive wiring harness operating data makes the analysis results more comprehensive and accurate.

[0021] The acquisition module includes an access unit and a storage unit. The access unit is used to access the master control module and the multi-channel sensor array to acquire data recognized by the master control module and the multi-channel sensor array. The storage unit is used to store the acquired data, associate the data recognized by the master control module and the multi-channel sensor array with corresponding time synchronization, add a timestamp, and provide a query channel to facilitate subsequent data query based on the timestamp.

[0022] The analysis module is connected to the storage unit, and uses a statistical algorithm combined with a machine learning algorithm to analyze and fit the data identified by the associated master control module and the multi-channel sensor array, identify the correlation between parameters, the positive and negative influencing variables of mutual changes, and extract effective benchmark variables. Then, combined with expert experience and automotive engineering standards, the first level of performance of the automotive wiring harness is judged, including the electrical stability, signal transmission quality, and physical durability of the automotive wiring harness. The statistical algorithm combined with the machine learning algorithm is specifically: enter: - Simulation system configuration - Automobile wiring harness installation details - Preset road and environmental conditions Output: - Results of the first performance evaluation of automotive wiring harnesses 1. Initialize the simulation system - Load simulation system configuration - Install vehicle wiring harness into the simulation system - Initialize the acquisition module and analysis module 2. Simulation run for each preset road and environmental condition in preset condition set: - Configure the simulation system to simulate current road and environmental conditions - Start the simulation run - Wait for the simulation system to reach a stable state 3. Data Collection While the simulation is running: - Use the acquisition module to obtain the electrical parameters (voltage, current) of the vehicle wiring harness - Acquisition of physical parameters (temperature, vibration, etc.) - Obtain signal transmission parameters (signal delay, bit error rate) - Store the collected data into the dataset 4. Data Analysis - Initialize the benchmark variable set - for each data point in dataset: - Analyze the correlation between the real-time simulated operating state parameters and the current parameters of the vehicle wiring harness - Use statistical or machine learning algorithms to calculate baseline variables (parameter thresholds, change trends) - Add a benchmark variable to the benchmark variable collection 5. Performance Evaluation - Initialize performance evaluation results - for each benchmark variable in benchmark variable collection: - Evaluate the first level performance (electrical stability, signal integrity) of automotive wiring harnesses based on benchmark variables - Integrate evaluation results into performance evaluation results 6. Output evaluation results - Output the first level performance evaluation results of automotive wiring harnesses The silent test box is silent inside to block external noise, and a surround microphone is provided inside the silent test box. The surround microphone surrounds the installed automobile wiring harness and collects the possible sound of the automobile wiring harness during operation in a 360° orientation. When the surround microphone cannot collect sound, the access unit is not triggered. When the surround microphone collects sound, the access unit is triggered. The access unit collects sound data, stores it in the storage unit, and timestamps it. A query channel is provided to facilitate subsequent data query based on the timestamp.

[0023] The judgment model unit includes a reference data packet and a comparison model. The reference data includes all sound data related to the operation of the automobile wiring harness, including various abnormal sounds, howling and related decibel data, and the working conditions of the automobile wiring harness represented by different abnormal sounds, howling and related decibel data.

[0024] The comparison module is used to construct the data of the benchmark data packet into a comparison model, and adopt a deep learning algorithm to input the real-time sound data stored in the storage unit into the comparison model for comparison. First, the abnormal sound and howling types to which the sound data belongs are compared and judged, thereby deriving the working condition it represents, and then based on the decibels of the current sound data, the specific progress of the corresponding working condition is compared and judged, and the subsequent change trend is evaluated, thereby judging the second level performance of the automobile wiring harness, including the real-time faults and abnormal trends of the automobile wiring harness.

[0025] Second level performance evaluation of automotive wiring harness based on sound data enter: - Benchmark data package: contains various abnormal noises, howling and their decibel data when the car wiring harness is running, as well as the markings of the corresponding working conditions - Real-time sound data: The sound data of the vehicle wiring harness during operation collected from the simulation system or the actual vehicle Output: - Real-time fault and abnormal trend assessment results of automotive wiring harnesses 1. Build a comparison model - Load benchmark data packages into deep learning models - Use deep learning algorithms (convolutional neural network (CNN) or recurrent neural network (RNN)) to train benchmark data and build a comparative model that can identify abnormal noise, howling types and their corresponding working conditions 2. Real-time sound data processing - Get real-time sound data from the acquisition module - Preprocess the sound data (denoising, enhancement) 3. Comparative analysis and evaluation - Input the pre-processed real-time sound data into the comparison model - Compare models to identify the types of abnormal noise and howling in the sound data, and make a preliminary judgment on the working conditions they represent - According to the decibel value of the sound data, further compare and judge the specific progress of the corresponding working condition - Evaluate vehicle wiring harness performance under current operating conditions, including whether there are real-time faults or abnormal trends 4. Trend prediction - Based on the characteristics of the current sound data and the rules learned by the model, predict the change trend of subsequent sound data - Analyze the prediction results and evaluate the performance problems that may occur in the automotive wiring harness in the future 5. Output evaluation results - Output real-time fault and abnormal trend assessment results of automotive wiring harnesses - Provide improvement suggestions or maintenance warnings. Example 2

[0026] according to Figure 1 , 2 As shown, this embodiment proposes a vehicle wiring harness performance parameter test system, including a test component and a control module, the test component includes a simulation test group and a silent test box, the control module includes a collection module, an analysis module, a judgment model unit and a visual feedback platform; The simulation test group internally constructs a simulation system. When the automobile wiring harness is installed in the simulation system for operation, the operating state parameters of the automobile under different road conditions and environmental conditions are simulated. The acquisition module is connected to the simulation system to acquire the electrical parameters, physical parameters and signal transmission parameters of the automobile wiring harness and store them. The analysis module is used to analyze the correlation between the real-time simulated operating state parameters and the changes in the current parameters of the automobile wiring harness, obtain the benchmark variables, and judge the first level performance of the automobile wiring harness. The silent test box is silent inside. When the automobile wiring harness is installed in the simulation system for operation, the sound of the automobile wiring harness is acquired through the acquisition module and stored. The judgment model unit is used to compare and identify the type of wiring harness abnormality represented by the sound according to the standard operating conditions of the automobile wiring harness, and judge the second level performance of the automobile wiring harness. The visual feedback platform is used to comprehensively judge the data and output a test report. When in use, a simulation system is constructed to simulate the operating status parameters of the car under different road conditions and environmental conditions. Thus, the correlation between the real-time simulated operating status parameters and the current parameters of the car wiring harness is analyzed to obtain the benchmark variables, so as to comprehensively judge the first-level performance of the car wiring harness and adapt to the actual operating needs of the car wiring harness. At the same time, the sound of the car wiring harness is collected through the silent test box. Based on the standard data, the type of wire harness abnormality represented by the sound can be compared and identified to judge the second-level performance of the car wiring harness, making the test results more comprehensive.

[0027] The visual feedback platform is based on a display and includes a report output unit and a human-computer interaction unit. The report output unit is used to display the real-time simulation data of the simulation system, the parameter data of the first and second performance levels, and the overall evaluation prediction data of the automotive wiring harness, and generate a test report. The human-computer interaction unit is used for users to adjust simulation test parameters, customize detailed data viewing, and adjust report content and format as needed. A variety of operating functions and custom settings provide an intuitive and easy-to-use visual interface and interactive operation functions, which facilitate users to quickly understand test conclusions and performance change trends.

[0028] The automobile wiring harness performance parameter test system constructs a simulation system to simulate the running state parameters of the automobile under different road conditions and environmental conditions. Thus, the correlation between the real-time simulated running state parameters and the current parameters of the automobile wiring harness is analyzed to obtain the benchmark variable, so that the first performance of the automobile wiring harness can be comprehensively judged, the actual operation needs of the automobile wiring harness can be adapted, and the sound of the automobile wiring harness can be collected synchronously through the silent test box. Based on the standard data, the abnormal type of the wiring harness represented by the sound can be compared and identified, and the second performance of the automobile wiring harness can be judged, so that the test results are more comprehensive. In addition, the present invention simulates the vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters of the automobile under different road conditions while taking into account the temperature parameters, humidity parameters and ultraviolet intensity parameters, and includes various external influences that the automobile wiring harness needs to face, so that the test results are more accurate. At the same time, the sound that may exist in the automobile wiring harness during operation is collected in a 360° orientation, and the models of various abnormal sounds, howling and related decibel data are compared. The abnormal sound and howling types to which the wiring harness sound data belongs are first judged, and then the specific process of the corresponding working condition is judged according to the decibel, and the subsequent change trend is evaluated, and the test results are diversified.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. The automotive wiring harness performance parameter test system includes a test component and a control module, and is characterized by: The test component includes a simulation test group and a silent test box, and the control module includes an acquisition module, an analysis module, a judgment model unit and a visual feedback platform; The simulation test group internally constructs a simulation system. When the automobile wiring harness is installed in the simulation system for operation, the operating state parameters of the automobile under different road conditions and environmental conditions are simulated. The acquisition module is connected to the simulation system to acquire the electrical parameters, physical parameters and signal transmission parameters of the automobile wiring harness and store them. The analysis module is used to analyze the correlation between the real-time simulated operating state parameters and the changes in the current parameters of the automobile wiring harness, obtain the benchmark variables, and judge the first level performance of the automobile wiring harness. The silent test box is silent inside. When the automobile wiring harness is installed in the simulation system for operation, the sound of the automobile wiring harness is acquired through the acquisition module and stored. The judgment model unit is used to compare and identify the type of wiring harness abnormality represented by the sound according to the standard operating conditions of the automobile wiring harness, and judge the second level performance of the automobile wiring harness. The visual feedback platform is used to comprehensively judge the data and output a test report.

2. The automotive wiring harness performance parameter testing system according to claim 1, characterized in that: The simulation system is constructed based on a physical model to simulate the structure and position of the automobile wiring harness in the automobile, simulate the operating state parameters of the automobile under different road conditions, including vibration frequency, electromagnetic parameters, centrifugal parameters and inertia parameters; and simulate the operating state parameters under different environmental conditions, including temperature parameters, humidity parameters and ultraviolet intensity parameters.

3. The automotive wiring harness performance parameter testing system according to claim 2, characterized in that: The simulation system is internally integrated with a master control module and a multi-channel sensor array. The master control module is used to record all simulated operating state parameters in real time. The multi-channel sensor array is used to access the automotive wiring harness installed in the simulation system and synchronously record the electrical parameters of the automotive wiring harness, including voltage, current, resistance, capacitance, and inductance; physical parameters, including temperature, humidity, stress, and vibration; Signal transmission parameters, including signal integrity, interference suppression, and transmission rate.

4. The automotive wiring harness performance parameter testing system according to claim 3 is characterized in that: The acquisition module includes an access unit and a storage unit. The access unit is used to access the master control module and the multi-channel sensor array to acquire data recognized by the master control module and the multi-channel sensor array. The storage unit is used to store the acquired data, associate the data recognized by the master control module and the multi-channel sensor array with corresponding time synchronization, and add a timestamp.

5. The automotive wiring harness performance parameter testing system according to claim 4, characterized in that: The analysis module is connected to the storage unit, and uses statistical algorithms combined with machine learning algorithms to analyze and fit the data identified by the associated master control module and the multi-channel sensor array, identify the correlation between parameters, the positive and negative influencing variables of each other, and extract effective benchmark variables. Then, combined with expert experience and automotive engineering standards, the first level of performance of the automotive wiring harness is judged, including the electrical stability, signal transmission quality, and physical durability of the automotive wiring harness.

6. The automotive wiring harness performance parameter testing system according to claim 5, characterized in that: The interior of the silent test box is silent to block external noise, and a surround microphone is provided inside the silent test box. The surround microphone surrounds the installed automobile wiring harness and collects possible sounds of the automobile wiring harness during operation in a 360° orientation. When the surround microphone cannot collect sound, the access unit is not triggered. When the surround microphone collects sound, the access unit is triggered. The access unit collects sound data, stores it in a storage unit, and timestamps it.

7. The automotive wiring harness performance parameter testing system according to claim 6, characterized in that: The judgment model unit includes a reference data packet and a comparison model. The reference data includes all sound data related to the operation of the automobile wiring harness, including various abnormal sounds, howling and related decibel data, and the working conditions of the automobile wiring harness represented by different abnormal sounds, howling and related decibel data.

8. The automotive wiring harness performance parameter testing system according to claim 7, characterized in that: The comparison module is used to construct the data of the benchmark data packet into a comparison model, and adopt a deep learning algorithm to input the real-time sound data stored in the storage unit into the comparison model for comparison. First, the abnormal sound and howling types to which the sound data belongs are compared and judged, thereby deriving the working condition it represents, and then based on the decibels of the current sound data, the specific progress of the corresponding working condition is compared and judged, and the subsequent change trend is evaluated, thereby judging the second level performance of the automobile wiring harness, including the real-time faults and abnormal trends of the automobile wiring harness.

9. The automotive wiring harness performance parameter testing system according to claim 1, characterized in that: The visual feedback platform is based on a display and includes a report output unit and a human-computer interaction unit. The report output unit is used to display real-time simulation data of the simulation system, parameter data of the first and second performance levels, and overall evaluation prediction data of the automotive wiring harness, and generate a test report.

10. The automotive wiring harness performance parameter testing system according to claim 9, characterized in that: The human-computer interaction unit is used for the user to adjust simulation test parameters, customize detailed data viewing, and adjust report content and format according to needs.

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