A wireless terminal based remote automotive software calibration system

Abstract

The application discloses a kind of remote automobile software calibration systems based on wireless terminal, belong to vehicle engineering technical field, the system includes: vehicle remote calibration terminal, transfer medium and host computer;Wherein, the vehicle remote calibration terminal includes physical interface, CAN module, processor, memory and network module, for the collection and processing of vehicle data;The vehicle remote calibration terminal is also used to send the vehicle data after processing to the host computer and receive the calibration parameter data of the host computer, and the calibration parameter data of the host computer is input vehicle calibration controller;The transfer medium includes base station and server, to transmit the vehicle data after processing of the vehicle remote calibration terminal and transmit the calibration parameter data of the host computer;The host computer is used to receive the vehicle data after processing of the vehicle remote calibration terminal and send calibration parameter data to the vehicle remote calibration terminal.The application has the effect of improving vehicle calibration efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle engineering, in particular to a remote vehicle software calibration system based on a wireless terminal. BACKGROUND

[0002] With the popularization of communication technology, wireless devices have become the main mobile communication devices, not only can realize high-quality transmission of three-dimensional images, but also provide high-quality video services for high-speed mobile users, and can provide data acquisition, real-time positioning and other integration functions in addition to communication information.

[0003] At present, in the whole vehicle development stage, a large amount of software calibration work is involved, and the main calibration method at present is that engineers use the host computer to calibrate the vehicle through CANoe, PEAKcan and other devices; however, this calibration method requires a large number of personnel and equipment, and after the engineers complete the vehicle calibration, they return to follow the next vehicle for calibration work, which consumes a lot of time and reduces the efficiency of vehicle calibration. SUMMARY

[0004] In order to improve the efficiency of vehicle calibration, the present application provides a remote vehicle software calibration system based on a wireless terminal.

[0005] The remote vehicle software calibration system based on a wireless terminal provided by the present application adopts the following technical scheme:

[0006] A remote vehicle software calibration system based on a wireless terminal, comprising a vehicle remote calibration terminal, a transfer medium and a host computer; wherein,

[0007] The vehicle remote calibration terminal comprises a physical interface, a CAN module, a processor, a memory and a network module, and is used for collecting and processing vehicle data;

[0008] The vehicle remote calibration terminal is also used for sending the processed vehicle data to the host computer and receiving calibration parameter data of the host computer, and inputting the calibration parameter data of the host computer into a vehicle calibration controller;

[0009] The transfer medium comprises a base station and a server, and is used for transmitting the processed vehicle data of the vehicle remote calibration terminal and transmitting the calibration parameter data of the host computer;

[0010] The host computer is used for receiving the processed vehicle data of the vehicle remote calibration terminal and sending calibration parameter data to the vehicle remote calibration terminal.

[0011] Further, the physical interface is physically connected with a vehicle OBD interface, and is used for real-time collection of vehicle data;

[0012] The physical interface is physically connected with the vehicle OBD interface through a calibration tool, and is used for realizing remote data calibration of the vehicle.

[0013] Further, the CAN module is in communication connection with the physical interface, and is used for collecting vehicle CAN network data.

[0014] The CAN module is in communication connection with the processor, and is used for sending the collected CAN network data to the processor after processing.

[0015] Further, the processor is used for receiving the CAN network data processed by the CAN module and performing data analysis and processing.

[0016] The processor is in communication connection with the network module, and is used for sending the processed vehicle data to the network module.

[0017] The processor is in communication connection with the storage, and is used for storing the processed vehicle data to the storage.

[0018] Further, the storage is in communication connection with the physical interface, and is used for real-time storage of vehicle data.

[0019] The storage is also used for reading the data in the storage by the calibration tool.

[0020] Further, the network module is in communication connection with the base station, and is used for sending the processed vehicle data to the base station.

[0021] The network module is also used for receiving the calibration parameter data transmitted by the base station.

[0022] Further, the base station is in communication connection with the server, and is used for sending the received processed vehicle data to the server.

[0023] The base station is also used for transmitting the calibration parameter data received by the server.

[0024] Further, the server is used for storing the received processed vehicle data.

[0025] The server is also used for sending the received calibration parameter data to the network module through the base station.

[0026] Further, the upper computer is in communication connection with the server, and is used for accessing the processed vehicle data stored in the server.

[0027] The upper computer is also used for uploading the calibration parameter data to the server.

[0028] The application can collect vehicle information by a vehicle remote calibration terminal, transmit the vehicle information to a server through a base station, access the server by an upper computer to obtain the vehicle information, upload calibration parameter data to be modified to the server according to the vehicle information, transmit the calibration parameter data to the vehicle remote calibration terminal through the base station, and input the calibration parameter data into a vehicle calibration controller, thereby saving the time of engineers and improving the vehicle calibration efficiency; meanwhile, the engineers can transmit pre-calibration data to the memory of the vehicle remote calibration terminal through a wireless network before the actual operation of the vehicle, thereby reducing the workload of field calibration and improving the reliability and safety of the vehicle.

[0029] It should be understood that the content described in the summary section is not intended to limit or define key or important features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the application will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present disclosure, and other drawings can also be obtained by those skilled in the art without creative labor.

[0031] Figure 1 is a structure diagram of a remote automobile software calibration system based on a wireless terminal according to an embodiment of the application.

[0032] Figure 2 is a function module diagram of a remote automobile software calibration system based on a wireless terminal according to an embodiment of the application. DETAILED DESCRIPTION

[0033] In order to make the technical personnel in the art better understand the technical solutions in one or more embodiments of the present disclosure, the technical solutions in one or more embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in one or more embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, not all embodiments. Based on one or more embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present document.

[0034] It should be noted that the embodiments described in the present application are only to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.

[0035] Figure 1It is a structure schematic diagram of a wireless terminal-based remote automobile software calibration system according to an embodiment of the present application, as shown in the figure, comprising a vehicle remote calibration terminal, a transfer medium and an upper computer, wherein, Figure 1

[0036] The vehicle remote calibration terminal comprises a physical interface, a CAN module, a processor, a memory and a network module, for collecting and processing vehicle data;

[0037] The vehicle remote calibration terminal is further configured to send the processed vehicle data to the upper computer and receive calibration parameter data from the upper computer, and input the calibration parameter data from the upper computer into a vehicle calibration controller;

[0038] The transfer medium comprises a base station and a server, for transmitting the processed vehicle data from the vehicle remote calibration terminal and transmitting the calibration parameter data from the upper computer;

[0039] The upper computer is configured to receive the processed vehicle data from the vehicle remote calibration terminal and send calibration parameter data to the vehicle remote calibration terminal.

[0040] Exemplarily, the vehicle remote calibration terminal is connected with a vehicle OBD interface through the physical interface, the vehicle remote calibration terminal collects vehicle data and sends the data to the transfer medium, an engineer obtains the vehicle data received by the transfer medium through the upper computer, analyzes the vehicle data and obtains calibration parameter data, the engineer sends the calibration parameter data to the transfer medium through the upper computer, the transfer medium sends the received calibration parameter data to the vehicle remote calibration terminal, and the vehicle remote calibration terminal sends the calibration parameter data to the vehicle calibration controller.

[0041] Exemplarily, in actual operation, the specific connection relationship between the modules of the calibration system can be as shown in the figure. Figure 2

[0042] Further, the physical interface is physically connected with the vehicle OBD interface, for real-time collection of vehicle data.

[0043] The physical interface is physically connected with the vehicle OBD interface through the calibration tool, for realizing remote data calibration of the vehicle.

[0044] Exemplarily, the physical interface is physically connected with the vehicle OBD interface, and the vehicle remote calibration terminal collects vehicle data through the vehicle OBD interface; the physical interface is physically connected with the calibration tool, the calibration tool is wiredly connected with the vehicle OBD interface, the vehicle remote calibration terminal sends calibration parameter data to the calibration tool through the physical interface, and the calibration tool writes the received calibration parameter data to the vehicle calibration controller through the vehicle OBD interface.

[0045] Further, the CAN module is in communication connection with the physical interface, for collecting vehicle CAN network data.​​

[0046] The CAN module is in communication connection with the processor, and is configured to send the collected CAN network data to the processor after processing.

[0047] The CAN module is in wired connection with the physical interface, and the CAN module is connected with the vehicle OBD interface through the physical interface, so as to access the vehicle CAN bus and realize the CAN network data interaction, so as to ensure the communication connection between the device and the vehicle network. The CAN module can collect the vehicle data in real time, and the CAN module sends the collected CAN network data to the processor for further analysis and processing after processing.

[0048] Further, the processor is configured to receive the CAN network data processed by the CAN module and perform data analysis and processing.

[0049] The processor is in communication connection with the network module, and is configured to send the processed vehicle data to the network module.

[0050] The processor is in communication connection with the storage, and is configured to store the processed vehicle data in the storage.

[0051] Further, the storage is in communication connection with the physical interface, and is configured to store the vehicle data in real time.

[0052] The storage is also configured to read the data in the storage directly by the calibration tool.

[0053] The processor is connected with the storage, for example, through a bus. The processor receives the CAN network data sent by the CAN module, performs data analysis and processing, and sends the processed vehicle data to the network module. When the network signal is unstable or there is no network signal, the processor stores the processed vehicle data in the storage in time. When the network is smooth, the processed vehicle data is sent to the relay medium through the network module. When the vehicle remote calibration terminal is not connected with the vehicle OBD interface in time, the network module receives the calibration parameter data sent by the relay medium, and sends the calibration parameter data to the storage. When the vehicle remote calibration terminal is connected with the vehicle OBD interface through the calibration tool, the calibration tool obtains the calibration parameter data in the storage through the physical interface, and the calibration tool writes the calibration parameter data to the vehicle calibration controller through the vehicle OBD interface.

[0054] It should be noted that the processor can be a CPU (Central Processing Unit), a general-purpose processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other programmable logic device, a transistor logic device, a hardware component or any combination thereof. It can implement or execute various exemplary logical blocks, modules and circuits described in combination with the disclosure. The processor can also be a combination of computing functions, such as one or more microprocessor combinations, combinations of DSP and microprocessor, etc.

[0055] The memory can be a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical disk storage, an optical disk storage (including a compact disk, a laser disk, an optical disk, a digital versatile disk, a Blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and capable of being accessed by a computer, but not limited to.

[0056] The bus can include a path for transmitting information between the above-mentioned components. The bus can be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc.

[0057] Further, the network module is in communication connection with the base station, and is used to send the processed vehicle data to the base station;

[0058] The network module is also used to receive the calibration parameter data transmitted by the base station.

[0059] Further, the base station is in communication connection with the server, for transmitting the received processed vehicle data to the server;

[0060] The base station is further configured to transmit the received calibration parameter data to the network module.

[0061] Further, the server is configured to store the received processed vehicle data.

[0062] The server is further configured to transmit the received calibration parameter data to the network module through the base station.

[0063] Exemplarily, the processor is wirelessly connected with the server through the network module, to ensure correct transmission of the processed vehicle data and effective reception of the calibration parameter data; wherein the wireless communication network is mainly provided by a network operator, and the wireless network data transmission service is provided by the base station.

[0064] Further, the host computer is in communication connection with the server, for accessing the stored processed vehicle data in the server.

[0065] The host computer is further configured to upload the calibration parameter data to the server.

[0066] Exemplarily, the host computer is a calibration APP in a wireless terminal device, such as CANoe, PEAKcan, etc., an engineer logs in the calibration APP and accesses the server through the network, the calibration APP acquires the vehicle data in the server, the engineer analyzes the vehicle data to obtain the calibration parameter data, and the engineer uploads the calibration parameter data to the server through the calibration APP.

[0067] In summary, the vehicle remote calibration terminal is connected with the vehicle OBD interface through the physical interface, the vehicle data can be collected in real time through the CAN module, the collected vehicle data is processed and transmitted to the processor, the processor processes the received vehicle data and wirelessly transmits it to the base station through the network module, the base station uploads the received vehicle data to the server through wired transmission, the engineer acquires the vehicle data in the server through the host computer, and analyzes the vehicle data to obtain the calibration parameter data. The engineer uploads the calibration parameter data to the server through the host computer, the server transmits the received calibration parameter data to the network module through the base station, the network module transmits the received calibration parameter data to the calibration tool through the physical interface, and the calibration tool writes the received calibration parameter data to the vehicle calibration controller through the vehicle OBD interface. Thus, the workload and time cost of on-site calibration are reduced, and the reliability and safety of the vehicle are improved.

[0068] The above descriptions are only exemplary embodiments of the present disclosure and cannot limit the scope of the present disclosure. That is, equivalent changes and modifications made in accordance with the teachings of the present disclosure are still within the scope of the present disclosure. Other embodiments of the present disclosure will be readily apparent to those skilled in the art upon considering the specification and practice of the present disclosure. The present application is intended to cover any variations, uses, or adaptive changes of the present disclosure that follow the general principles of the present disclosure and include common knowledge or conventional technical means in the art that are not described in the present disclosure.

Claims

1. A wireless terminal based remote automotive software calibration system, characterized by, The system comprises a vehicle remote calibration terminal, a relay medium and a host computer, wherein The vehicle remote calibration terminal comprises a physical interface, a CAN module, a processor, a memory and a network module, for collecting and processing vehicle data; The vehicle remote calibration terminal is further configured to send the processed vehicle data to the host computer and receive calibration parameter data from the host computer, and input the calibration parameter data from the host computer into a vehicle calibration controller; The relay medium comprises a base station and a server, for transmitting the processed vehicle data from the vehicle remote calibration terminal and transmitting calibration parameter data from the host computer; The host computer is configured to receive the processed vehicle data from the vehicle remote calibration terminal and send calibration parameter data to the vehicle remote calibration terminal; The physical interface is physically connected with a vehicle OBD interface, for real-time collection of vehicle data; The physical interface is physically connected with the vehicle OBD interface through a calibration tool, for realizing remote data calibration of the vehicle; The CAN module is in communication connection with the physical interface, for collecting CAN network data of the whole vehicle; The CAN module is in communication connection with the processor, for sending the collected CAN network data to the processor after processing; The processor is configured to receive the processed CAN network data from the CAN module and perform data analysis and processing; The processor is in communication connection with the network module, for sending the processed vehicle data to the network module; The processor is in communication connection with the memory, for storing the processed vehicle data in the memory; The memory is in communication connection with the physical interface, for real-time storage of vehicle data; The memory is further configured to allow the calibration tool to directly read data from the memory; The network module is in communication connection with the base station, for sending the processed vehicle data to the base station; The network module is further configured to receive calibration parameter data transmitted from the base station.

2. A wireless terminal based remote automotive software calibration system according to claim 1, wherein, The base station is in communication connection with the server, for sending the received processed vehicle data to the server; The base station is further configured to transmit calibration parameter data received from the server.

3. A wireless terminal based remote automotive software calibration system according to claim 1, wherein, The server is configured to store the received processed vehicle data; The server is further configured to send the received calibration parameter data to the network module through the base station.

4. A wireless terminal based remote automotive software calibration system according to claim 1, wherein, The host computer is in communication connection with the server, for accessing the stored processed vehicle data in the server; The host computer is further configured to upload calibration parameter data to the server.

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