Local and remote vehicle diagnosis system and method

Abstract

The invention relates to a local and remote vehicle diagnosis system and method, and the system comprises a diagnosis service platform and a platform management device which carries out the deployment and maintenance of the diagnosis service platform, and carries out the application and management of a module of the diagnosis service platform. The mobile diagnosis device carries out diagnosis operation on the vehicle through an arranged mobile diagnosis module, and the T-BOX is a terminal device installed on the vehicle and comprises a vehicle-mounted diagnosis module and a vehicle-mounted communication module; the vehicle-mounted diagnosis module reports vehicle data to the diagnosis service platform and the mobile diagnosis device and executes a diagnosis command issued by the diagnosis service platform and the mobile diagnosis device; the vehicle-mounted communication module establishes communication connection with the diagnosis communication module and the mobile communication module for data interaction; a mobile phone, a tablet computer and a notebook computer are used as the mobile diagnosis device, professional diagnosis equipment and wiring harnesses are not needed, the device is portable and low in cost, after the mobile diagnosis module is installed, the vehicle can be diagnosed, and software services and applications are provided for different types of users.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a local and remote vehicle diagnosis system and method. Background Art

[0002] Vehicle diagnostic systems mainly include local diagnosis and remote diagnosis. Local diagnosis uses OBD (On-Board Diagnostics) and various professional automotive diagnostic tools to diagnose vehicles. Remote diagnosis uses T-BOX (Telematics BOX) and remote diagnostic platforms to establish communication links to collect and diagnose vehicle data.

[0003] However, the existing local vehicle diagnosis still has shortcomings and needs to rely on professional diagnostic equipment. Automakers need to customize the development of hardware and software systems, and then deploy equipment to various service sites, which has high equipment costs. When new models need to be adapted or diagnostic strategies change, the diagnostic equipment needs to be upgraded one by one, which has high time costs.

[0004] The main problem with existing vehicle remote diagnosis is that it relies on wireless communication networks. When the vehicle is in an underground garage or other area with no network or poor network signal, the diagnostic service platform cannot be used. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a local and remote vehicle diagnostic system and method.

[0006] In order to solve the problems in the above background technology, the present invention is implemented by the following technical solutions:

[0007] A local and remote vehicle diagnostic system, comprising:

[0008] Diagnostic service platform, including data storage module, data synchronization module, diagnostic task module, vehicle data collection module, vehicle management module, system management module and diagnostic communication module;

[0009] The data storage module stores various types of data on the diagnostic service platform;

[0010] The data synchronization module synchronizes the data of the mobile storage module with the data of the data storage module;

[0011] The diagnostic task module manages the diagnostic task cycle, including the creation, execution, update, and destruction of diagnostic tasks;

[0012] The vehicle data collection module collects basic vehicle data and diagnostic data, and issues diagnostic commands;

[0013] The vehicle management module manages vehicles, including vehicle information entry, update and destruction;

[0014] The system management module manages the diagnostic service platform, including system settings, logs, users, and authority management;

[0015] The diagnostic communication module establishes communication connections with the diagnostic service platform, mobile diagnostic device and T-BOX for data exchange;

[0016] Platform management device, which deploys and maintains the diagnostic service platform, and applies and manages the modules of the diagnostic service platform;

[0017] A mobile diagnostic device performs diagnostic operations on a vehicle through a mobile diagnostic module, wherein the mobile diagnostic module includes a mobile storage module, a mobile data synchronization module, and a mobile communication module;

[0018] T-BOX is a terminal device installed on the vehicle, including an on-board diagnostic module and an on-board communication module;

[0019] The on-board diagnostic module reports vehicle data to the diagnostic service platform and the mobile diagnostic device, and executes diagnostic commands issued by the diagnostic service platform and the mobile diagnostic device;

[0020] The vehicle-mounted communication module establishes a communication connection with the diagnostic communication module and the mobile communication module through 4G / 5G or WIFI / BT / USB to exchange data.

[0021] Preferably, the various types of data of the diagnostic service platform include platform basic data, diagnostic data set, vehicle data model set, fault tree model set, algorithm model set, and diagnostic script set;

[0022] The platform basic data is the basic data generated when the diagnostic service platform is running; the diagnostic data set is a data set of data and diagnostic results of all vehicles; the vehicle data model set is a data model set that digitally describes the structure of different types of vehicles; the fault tree model set is a data model set that structuredly describes all pre-faults of different types of vehicles; the algorithm model set is an algorithm set that integrates, analyzes and calculates various types of data; the diagnostic script set is an execution script that performs all vehicle diagnosis in combination with the vehicle data model set, the algorithm model set and the fault tree model set for specific diagnostic tasks.

[0023] Preferably, the mobile storage module stores mobile basic data, diagnostic data, vehicle data model, algorithm model, fault tree model and diagnostic script;

[0024] The mobile basic data is the basic data generated when the mobile diagnostic module is running; the diagnostic data is the data of a specific vehicle and the diagnostic result data; the vehicle data model is a vehicle structure data model of a specific type; the fault tree model is a model of all pre-fault data of a specific type of vehicle; the algorithm model is an algorithm model that integrates, shares and calculates various types of data of a specific vehicle model; the diagnostic script is an execution script that performs specific vehicle diagnosis for a specific vehicle in combination with the vehicle data model, algorithm model and fault tree model.

[0025] Preferably, the mobile diagnostic device is a mobile phone, a tablet computer or a laptop computer;

[0026] The platform management device is a computer provided with a diagnostic service platform.

[0027] A local and remote vehicle diagnostic method, applied to any of the local and remote vehicle diagnostic systems as described above, comprises a communication method, wherein the communication method comprises:

[0028] The diagnostic service platform communicates with the mobile diagnostic device via Ethernet and 4G / 5G;

[0029] The diagnostic service platform communicates with the platform management device via Ethernet;

[0030] The diagnostic service platform communicates with the vehicle T-BOX via 4G / 5G;

[0031] The mobile diagnostic device and the vehicle T-BOX communicate via WIFI / BT / USB.

[0032] Preferably, it also includes a data synchronization method, wherein the data synchronization is initiated by the mobile diagnostic device, including vehicle model data download, vehicle data download and vehicle data upload;

[0033] The vehicle type data download is as follows: a mobile diagnostic device and a diagnostic service platform establish a communication connection, the mobile diagnostic device obtains vehicle type data from the diagnostic service platform, selects a specific vehicle type, and then downloads or updates data of the specific vehicle type, wherein the downloaded or updated data includes a vehicle data model, a fault tree model, an algorithm model, and a diagnostic script;

[0034] The vehicle data download is as follows: a mobile diagnostic device and a diagnostic service platform establish a communication connection, the mobile diagnostic device selects a specific vehicle and a time period by using a vehicle identification code VIN, and then downloads or updates the specific vehicle data corresponding to the selected time period from the diagnostic service platform, the downloaded specific vehicle data including vehicle basic data, diagnostic data and diagnostic result data;

[0035] The vehicle data upload is as follows: a communication connection is established between the mobile diagnostic device and the diagnostic service platform, the mobile diagnostic device selects a specific vehicle through the vehicle identification code VIN, and then uploads the specific vehicle data to the diagnostic service platform. The uploaded specific vehicle data includes the diagnostic data and diagnostic result data of the specific vehicle selected in the mobile diagnostic device.

[0036] Preferably, a vehicle local diagnosis method is also included: a mobile diagnostic device establishes a WIFI / BT / USB communication connection with the T-BOX, a local diagnostic task is established in the mobile diagnostic device, the local diagnostic task matches the vehicle data model, fault tree model, algorithm model and diagnostic script automatically or manually through the mobile diagnostic device according to the vehicle type, the mobile diagnostic device executes the local diagnostic task, and sends a diagnostic command to the T-BOX according to the local diagnostic task, the T-BOX collects and uploads the vehicle diagnostic data to the mobile diagnostic device according to the diagnostic command, the local diagnostic task calls the diagnostic script, the diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script, and the mobile diagnostic device generates and displays the diagnostic results.

[0037] Preferably, the vehicle remote diagnosis method is also included: the mobile diagnosis device or the platform management device establishes an Ethernet or 4G / 5G communication connection with the diagnosis service platform;

[0038] Then, through the operation of the mobile diagnostic device, the vehicle identification code VIN is selected, and a remote diagnostic task is established on the diagnostic service platform. The remote diagnostic task automatically or manually matches the vehicle data model, fault tree model, algorithm model and diagnostic script according to the vehicle type through the mobile diagnostic device; the mobile diagnostic device is operated to enable the diagnostic service platform to execute the remote diagnostic task; the diagnostic service platform sends a diagnostic command to the T-BOX according to the remote diagnostic task instruction; the T-BOX collects and uploads the vehicle diagnostic data to the diagnostic service platform according to the diagnostic command; the remote diagnostic task calls the diagnostic script, and the diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script; the diagnostic service platform generates a diagnostic result, which is displayed by the mobile diagnostic device or the platform management device.

[0039] Compared with the prior art, the present invention has the following beneficial technical effects:

[0040] 1. Use common mobile phones, tablets, laptops, etc. as mobile diagnostic devices. No professional diagnostic equipment and wiring harness are required. It has the advantages of easy installation, easy portability and low cost. After installing the mobile diagnostic module in the mobile diagnostic device, the vehicle can be diagnosed, providing software services and applications for different types of users such as car owners, maintenance technicians, and technical experts;

[0041] 2. The diagnostic service platform is modular. When adding or modifying customized vehicle models, you only need to add or modify the corresponding vehicle data model, algorithm model, fault tree model and diagnostic script, reducing the development and maintenance costs of the diagnostic service platform.

[0042] 3. The mobile diagnosis module is modularized, the basic functions and the diagnostic functions are separated, and the diagnostic functions are pulled from the diagnostic service platform to reduce the secondary development costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is the overall framework diagram of the present invention;

[0044] Figure 2 This is a flow chart of vehicle model data downloading of the present invention;

[0045] Figure 3 The vehicle data downloading flow chart of the present invention;

[0046] Figure 4 The vehicle data uploading flow chart of the present invention;

[0047] Figure 5 The vehicle local diagnosis flow chart of the present invention;

[0048] Figure 6 This is a flow chart of vehicle remote diagnosis of the present invention. DETAILED DESCRIPTION

[0049] Example 1

[0050] like Figure 1 As shown, a local and remote vehicle diagnostic system comprises:

[0051] Diagnostic service platform, including data storage module, data synchronization module, diagnostic task module, vehicle data collection module, vehicle management module, system management module and diagnostic communication module;

[0052] The data storage module stores various types of data on the diagnostic service platform;

[0053] The data synchronization module synchronizes the data of the mobile storage module with the data of the data storage module;

[0054] The diagnostic task module manages the diagnostic task cycle, including the creation, execution, update, and destruction of diagnostic tasks;

[0055] The vehicle data collection module collects basic vehicle data and diagnostic data, and issues diagnostic commands;

[0056] The vehicle management module manages vehicles, including vehicle information entry, update and destruction;

[0057] The system management module manages the diagnostic service platform, including system settings, logs, users, and authority management;

[0058] The diagnostic communication module establishes communication connections with the diagnostic service platform, mobile diagnostic device and T-BOX for data exchange;

[0059] Platform management device, which deploys and maintains the diagnostic service platform, and applies and manages the modules of the diagnostic service platform;

[0060] A mobile diagnostic device performs diagnostic operations on the vehicle through a mobile diagnostic module, wherein the mobile diagnostic module includes a mobile storage module, a mobile data synchronization module and a mobile communication module;

[0061] T-BOX is a terminal device installed on the vehicle, including an on-board diagnostic module and an on-board communication module;

[0062] The on-board diagnostic module reports vehicle data to the diagnostic service platform and mobile diagnostic device, and executes diagnostic commands issued by the diagnostic service platform and mobile diagnostic device;

[0063] The vehicle communication module establishes a communication connection with the diagnostic communication module and the mobile communication module through 4G / 5G or WIFI / BT / USB to exchange data.

[0064] The various types of data of the diagnostic service platform include platform basic data, diagnostic data set, vehicle data model set, fault tree model set, algorithm model set, and diagnostic script set;

[0065] The platform basic data refers to the basic data generated when the diagnostic service platform is running; the diagnostic data set refers to the data set of all vehicles and the diagnostic results; the vehicle data model set refers to the data model set that digitally describes the structure of different types of vehicles; the fault tree model set refers to the data model set that structuredly describes all pre-faults of different types of vehicles; the algorithm model set refers to the algorithm set that integrates, analyzes and calculates various types of data; the diagnostic script set refers to the execution script that performs all vehicle diagnosis in combination with the vehicle data model set, algorithm model set and fault tree model set for specific diagnostic tasks.

[0066] The mobile storage module stores mobile basic data, diagnostic data, vehicle data model, algorithm model, fault tree model and diagnostic script;

[0067] The mobile basic data is the basic data generated when the mobile diagnosis module is running; the diagnostic data is the data of the specific vehicle and the diagnostic result data; the vehicle data model is the vehicle structure data model of the specific type; the fault tree model is the model of all pre-fault data of the specific type of vehicle; the algorithm model is the algorithm model that integrates, shares and calculates various types of data of the specific vehicle model; the diagnostic script is an execution script for specific vehicle diagnosis based on the vehicle data model, algorithm model and fault tree model.

[0068] The mobile diagnostic device is a mobile phone, tablet or laptop;

[0069] The platform management device is a computer equipped with a diagnostic service platform.

[0070] Example 2

[0071] A local and remote vehicle diagnostic method, applied to any of the local and remote vehicle diagnostic systems as above, includes a communication method, the communication method including:

[0072] The diagnostic service platform communicates with the mobile diagnostic device via Ethernet and 4G / 5G;

[0073] The diagnostic service platform communicates with the platform management device via Ethernet;

[0074] The diagnostic service platform communicates with the vehicle T-BOX via 4G / 5G;

[0075] The mobile diagnostic device and vehicle T-BOX communicate via WIFI / BT / USB.

[0076] Also included is a data synchronization method, where the data synchronization is initiated by the mobile diagnostic device and includes vehicle model data downloading, vehicle data downloading, and vehicle data uploading;

[0077] like Figure 2 As shown, the vehicle type data download is as follows: the mobile diagnostic device and the diagnostic service platform establish a communication connection, the mobile diagnostic device obtains the vehicle type data from the diagnostic service platform, selects a specific vehicle type, and then downloads or updates the data of the specific vehicle type. The downloaded or updated data includes a vehicle data model, a fault tree model, an algorithm model, and a diagnostic script;

[0078] like Figure 3 As shown, the vehicle data download is as follows: the mobile diagnostic device and the diagnostic service platform establish a communication connection, the mobile diagnostic device selects a specific vehicle and time period through the vehicle identification code VIN, and then downloads or updates the specific vehicle data corresponding to the selected time period from the diagnostic service platform. The downloaded specific vehicle data includes vehicle basic data, diagnostic data and diagnostic result data;

[0079] like Figure 4 As shown, vehicle data uploading is as follows: a communication connection is established between the mobile diagnostic device and the diagnostic service platform, the mobile diagnostic device selects a specific vehicle through the vehicle identification code VIN, and then uploads the specific vehicle data to the diagnostic service platform. The uploaded specific vehicle data includes the diagnostic data and diagnostic result data of the specific vehicle selected in the mobile diagnostic device.

[0080] Because the mobile diagnostic device is limited by its storage space and computing power, the vehicle data model, algorithm model, fault tree model, and diagnostic script of the mobile storage module are downloaded and updated from the diagnostic service platform through the mobile data synchronization module as needed; in addition, the mobile diagnostic device can save and upload local data to the diagnostic service platform, thereby realizing the unification of local and remote data input and output.

[0081] like Figure 5 As shown, it also includes a vehicle local diagnosis method: the mobile diagnostic device establishes a WIFI / BT / USB communication connection with the T-BOX, establishes a local diagnostic task in the mobile diagnostic device, the local diagnostic task automatically or manually matches the vehicle data model, fault tree model, algorithm model and diagnostic script according to the vehicle type through the mobile diagnostic device, the mobile diagnostic device executes the local diagnostic task, and sends a diagnostic command to the T-BOX according to the local diagnostic task, the T-BOX collects and uploads the vehicle diagnostic data to the mobile diagnostic device according to the diagnostic command, the local diagnostic task calls the diagnostic script, the diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script, and the mobile diagnostic device generates and displays the diagnostic results.

[0082] like Figure 6 As shown, a vehicle remote diagnosis method is also included: the mobile diagnostic device or the platform management device establishes an Ethernet or 4G / 5G communication connection with the diagnostic service platform;

[0083] Then, through the operation of the mobile diagnostic device, the vehicle identification code VIN is selected, and a remote diagnostic task is established on the diagnostic service platform. The remote diagnostic task automatically or manually matches the vehicle data model, fault tree model, algorithm model and diagnostic script according to the vehicle type through the mobile diagnostic device; the mobile diagnostic device is operated to enable the diagnostic service platform to execute the remote diagnostic task; the diagnostic service platform sends a diagnostic command to the T-BOX according to the remote diagnostic task instruction; the T-BOX collects and uploads the vehicle diagnostic data to the diagnostic service platform according to the diagnostic command; the remote diagnostic task calls the diagnostic script, and the diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script; the diagnostic service platform generates a diagnostic result, which is displayed by the mobile diagnostic device or the platform management device.

Claims

1. A local and remote vehicle diagnostic system, characterized in that: include: The diagnostic service platform includes a data storage module, a data synchronization module, a diagnostic task module, a vehicle data collection module, a vehicle management module, a system management module and a diagnostic communication module, among which: The data storage module stores various types of data on the diagnostic service platform; The data synchronization module synchronizes the data of the mobile storage module with the data of the data storage module; The diagnostic task module manages the diagnostic task cycle, including the creation, execution, update, and destruction of diagnostic tasks; The vehicle data collection module collects basic vehicle data and diagnostic data, and issues diagnostic commands; The vehicle management module manages vehicles, including vehicle information entry, update and destruction; The system management module manages the diagnostic service platform, including system settings, logs, users, and authority management; The diagnostic communication module establishes communication connections with the diagnostic service platform, mobile diagnostic device and T-BOX for data exchange; Platform management device, which deploys and maintains the diagnostic service platform, and applies and manages the modules of the diagnostic service platform; A mobile diagnostic device performs diagnostic operations on a vehicle through a mobile diagnostic module, wherein the mobile diagnostic module includes a mobile storage module, a mobile data synchronization module, and a mobile communication module; T-BOX is a terminal device installed on the vehicle, including an on-board diagnostic module and an on-board communication module. The on-board diagnostic module reports vehicle data to the diagnostic service platform and the mobile diagnostic device, and executes diagnostic commands issued by the diagnostic service platform and the mobile diagnostic device; The vehicle-mounted communication module establishes a communication connection with the diagnostic communication module and the mobile communication module through 4G / 5G or WIFI / BT / USB to exchange data.

2. The local and remote vehicle diagnostic system according to claim 1, characterized in that: The various types of data of the diagnostic service platform include platform basic data, diagnostic data set, vehicle data model set, fault tree model set, algorithm model set, and diagnostic script set; The platform basic data is the basic data generated when the diagnostic service platform is running; the diagnostic data set is a data set of data and diagnostic results of all vehicles; the vehicle data model set is a data model set that digitally describes the structure of different types of vehicles; the fault tree model set is a data model set that structuredly describes all pre-faults of different types of vehicles; the algorithm model set is an algorithm set that integrates, analyzes and calculates various types of data; the diagnostic script set is an execution script that performs all vehicle diagnosis in combination with the vehicle data model set, the algorithm model set and the fault tree model set for specific diagnostic tasks.

3. The local and remote vehicle diagnostic system according to claim 2, characterized in that: The mobile storage module stores mobile basic data, diagnostic data, vehicle data model, algorithm model, fault tree model and diagnostic script; The mobile basic data is the basic data generated when the mobile diagnostic module is running; the diagnostic data is the data of a specific vehicle and the diagnostic result data; the vehicle data model is a vehicle structure data model of a specific type; the fault tree model is a model of all pre-fault data of a specific type of vehicle; the algorithm model is an algorithm model that integrates, shares and calculates various types of data of a specific vehicle model; the diagnostic script is an execution script that performs specific vehicle diagnosis for a specific vehicle in combination with the vehicle data model, algorithm model and fault tree model.

4. The local and remote vehicle diagnostic system according to claim 1, characterized in that: The mobile diagnostic device is a mobile phone, a tablet computer or a laptop computer; The platform management device is a computer provided with a diagnostic service platform.

5. A local and remote vehicle diagnostic method, applied to the local and remote vehicle diagnostic system according to any one of claims 1 to 4, characterized in that: A communication method is included, wherein the communication method includes: The diagnostic service platform communicates with the mobile diagnostic device via Ethernet and 4G / 5G; The diagnostic service platform communicates with the platform management device via Ethernet; The diagnostic service platform communicates with the vehicle T-BOX via 4G / 5G; The mobile diagnostic device and the vehicle T-BOX communicate via WIFI / BT / USB.

6. The local and remote vehicle diagnostic method according to claim 5, characterized in that: Also included is a data synchronization method, where the data synchronization is initiated by the mobile diagnostic device, including vehicle model data download, vehicle data download, and vehicle data upload; The vehicle type data download is as follows: a mobile diagnostic device and a diagnostic service platform establish a communication connection, the mobile diagnostic device obtains vehicle type data from the diagnostic service platform, selects a specific vehicle type, and then downloads or updates data of the specific vehicle type, wherein the downloaded or updated data includes a vehicle data model, a fault tree model, an algorithm model, and a diagnostic script; The vehicle data download is as follows: a mobile diagnostic device and a diagnostic service platform establish a communication connection, the mobile diagnostic device selects a specific vehicle and a time period by using a vehicle identification code VIN, and then downloads or updates the specific vehicle data corresponding to the selected time period from the diagnostic service platform, the downloaded specific vehicle data including vehicle basic data, diagnostic data and diagnostic result data; The vehicle data upload is as follows: a communication connection is established between the mobile diagnostic device and the diagnostic service platform, the mobile diagnostic device selects a specific vehicle through the vehicle identification code VIN, and then uploads the specific vehicle data to the diagnostic service platform. The uploaded specific vehicle data includes the diagnostic data and diagnostic result data of the specific vehicle selected in the mobile diagnostic device.

7. The local and remote vehicle diagnostic method according to claim 5, characterized in that: It also includes a vehicle local diagnosis method: a mobile diagnostic device establishes a WIFI / BT / USB communication connection with the T-BOX, and a local diagnostic task is established in the mobile diagnostic device. The local diagnostic task automatically or manually matches the vehicle data model, fault tree model, algorithm model and diagnostic script according to the vehicle type through the mobile diagnostic device. The mobile diagnostic device executes the local diagnostic task and sends a diagnostic command to the T-BOX according to the local diagnostic task. The T-BOX collects and uploads the vehicle diagnostic data to the mobile diagnostic device according to the diagnostic command. The local diagnostic task calls the diagnostic script. The diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script. The mobile diagnostic device generates and displays the diagnostic results.

8. The local and remote vehicle diagnostic method according to claim 5, characterized in that: Also included is a vehicle remote diagnosis method: a mobile diagnostic device or a platform management device establishes an Ethernet or 4G / 5G communication connection with a diagnostic service platform; Then, through the operation of the mobile diagnostic device, the vehicle identification code VIN is selected, and a remote diagnostic task is established on the diagnostic service platform. The remote diagnostic task automatically or manually matches the vehicle data model, fault tree model, algorithm model and diagnostic script according to the vehicle type through the mobile diagnostic device; the mobile diagnostic device is operated to enable the diagnostic service platform to execute the remote diagnostic task; the diagnostic service platform sends a diagnostic command to the T-BOX according to the remote diagnostic task instruction; the T-BOX collects and uploads the vehicle diagnostic data to the diagnostic service platform according to the diagnostic command; the remote diagnostic task calls the diagnostic script, and the diagnostic script diagnoses the vehicle according to the input vehicle diagnostic data and the vehicle data model, fault tree model, algorithm model and diagnostic script; the diagnostic service platform generates a diagnostic result, which is displayed by the mobile diagnostic device or the platform management device.

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