KR20240025173A - CAN data conversion based on CAN/Ethernet communication network and simulation system linking Ethernet - Google Patents

Abstract

The present invention relates to a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network. The ECUs CAN communication simulator enhancement unit that diagnoses the ODX protocol and corrects the general-purpose XCP protocol, diagnoses the DoIP protocol, and SOME/IP It includes an ECUs Ethernet communication simulator unit that simulates and analyzes the network and corrects the XCP protocol, and an interface unit that includes an ECUs simulator interface expansion module, a file editor for editing, and integrated UX/UI.

Description

CAN Data conversion based on CAN/Ethernet communication network and simulation system linking Ethernet {CAN data conversion based on CAN/Ethernet communication network and simulation system linking Ethernet}

The present invention relates to a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network. More specifically, it relates to a next-generation ICT convergence smart vehicle through the development of ECUs multi-communication network analysis and diagnosis technology based on the CAN/Ethernet network standard protocol. It concerns a CAN data conversion and Ethernet-linked simulation system based on an advanced CAN/Ethernet communication network required in the development and design stages of electrical components.

Recently, with the acceleration of in-vehicle multimedia and autonomous driving services, the number of ECUs has increased, and as communication networks have become more complex, large-capacity data transmission, and communication efficiency/scalability have been strengthened, in-vehicle ECUs have been upgraded from CAN network-based to CAN/Ethernet multi-communication network system. It is becoming.

Therefore, for the design, design verification, and debugging of vehicle electronics and ECUs, simulation technology that can verify standardized ECUs CAN/Ethernet communication network protocols and analyze/diagnose input/output messages between network nodes can dramatically determine the quality of commercial vehicle electronics and develop processors. It is emerging as a key technology that can shorten the time.

In particular, the data capacity of ECU communication networks within vehicles is accelerating, and as a result, the existing CAN network-based system is being upgraded to a CAN/Ethernet multi-communication network system.

Therefore, as a technology that can determine the quality of commercial vehicle electrical components and dramatically shorten the development process, there is a need for ECUs communication network analysis/diagnosis and simulation technology that can verify design and debug errors from the ECUs development stage.

In the process of continuous collaboration and distribution of vehicle-related solutions, there is a strong demand for expanded needs for next-generation ECUs CAN/Ethernet integrated simulators based on ECUs CAN communication networks that have already been proven in terms of performance/quality.

The present invention was invented to solve the above problems. More specifically, it is required in the development and design stage of next-generation ICT convergence smart vehicle electronics through the development of ECUs multi-communication network analysis and diagnosis technology based on CAN/Ethernet network standard protocol. The purpose is to provide a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network that provides an advanced simulator.

The present invention relates to a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network. A simulator system that analyzes and diagnoses the network of ECUs provided in a vehicle, diagnoses the ODX protocol, and corrects the general-purpose XCP protocol. Enhancing ECUs CAN communication simulator; ECUs Ethernet communication simulator unit that diagnoses the DoIP protocol, simulates and analyzes the SOME/IP network, and corrects the XCP protocol; and an interface unit including an ECUs simulator interface expansion module, a file editor for editing, and an integrated UX/UI.

In addition, it features functions for collecting and generating ECUs CAN/Ethernet messages, ECUs CAN/Ethernet protocol analysis and diagnosis, ECUs CAN/Ethernet network simulation, ECUs CAN/Ethernet network simulation, and ECUs CAN/Ethernet network calibration.

In addition, it is characterized by implementing ECUs CAN network simulator technology, ECUs Ethernet network simulator technology, ECUs multi-network integrated simulator technology, standard protocol framework design technology, CAN/Ethernet protocol analysis/diagnosis technology, and user-side editor and UX/UI technology. Do it as

In addition, it is characterized as a simulator dedicated to ECUs CAN communication network.

In addition, it features integrated support for CAN, CAN FD, and LIN protocols.

The present invention relates to a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network. The present invention relates to the development of next-generation ICT convergence smart vehicle electronics through the development of ECUs multi-communication network analysis and diagnosis technology based on the CAN/Ethernet network standard protocol. By providing an advanced simulator required at the design stage, it is possible to secure core technology (diagnosis, analysis, simulation) elements of electric vehicle and autonomous vehicle ECU communication simulators.

In addition, the present invention reduces the simulator application time and provides high convenience when upgrading the vehicle design communication database, shortens the time and reduces costs for diagnosing/analyzing the cause of the defect when the communication function is defective, and secures the basis for autonomous vehicle drive simulation software. The effect is that it is possible.

Figure 1 is a diagram illustrating a conceptual diagram of technology development services for a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network according to the present invention.
Figure 2 is a diagram illustrating technology development elements for a CAN data conversion and Ethernet interlocking simulation system based on a CAN/Ethernet communication network according to the present invention.
Figure 3 is a diagram illustrating the concept of a CAN data conversion and Ethernet interlocking simulation system based on a CAN/Ethernet communication network according to the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention. While describing each drawing, similar reference numerals are used for similar components.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. Hereinafter, the same reference numerals will be used for the same components in the drawings, and duplicate descriptions of the same components will be omitted.

Figure 1 is a diagram illustrating a conceptual diagram of technology development services for a CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network according to the present invention, and Figure 2 is a diagram illustrating a conceptual diagram of a CAN/Ethernet communication network-based CAN/Ethernet communication network according to the present invention. It is a diagram to explain the technology development elements for the CAN data conversion and Ethernet-linked simulation system, and Figure 3 is a diagram to explain the concept of the CAN data conversion and Ethernet-linked simulation system based on the CAN/Ethernet communication network according to the present invention. .

1 to 3, the CAN data conversion and Ethernet interlocking simulation system based on the CAN/Ethernet communication network according to the present invention provides simulator technology for analysis/diagnosis of the next-generation ECUs multi-communication network, and standardizes ECUs multi-CAN. /Ethernet network protocol characteristic analysis/diagnosis technology is provided, integrated simulator technology for vehicle ECUs multi-communication network analysis/diagnosis is based on standardized BroadR-Reach and IEEE Ethernet MAC standard framework, and communication network protocol reliability verification and inter-node communication are provided. It provides analysis/diagnosis technology for data transmission errors, noise effects, and signal integrity, and can provide vehicle ECUs network input/output signal Monitoring & Analysis, Stimulator, Simulation, and Diagnostic/Calibration.

To this end, the present invention may largely include an ECUs CAN communication simulator enhancement unit, an ECUs Ethernet communication simulator unit, and an interface unit.

The ECUs CAN communication simulator enhancement unit diagnoses the ODX protocol for generating and analyzing ODX data format data, and calibrates the general-purpose XCP protocol for automatic read/write of ECUs setting parameters, operation status, and sensor parameter analysis. In more detail, the ECUs CAN communication simulator enhancement department implements the ODX diagnostic file viewer and file creation function, develops the ODX DB file read/write parser, develops the diagnostic service and structure display module, and edit module for protocol element and attribute change function. can be developed

The ECUs Ethernet communication simulator unit provides functions for sending/receiving DoIP messages, diagnoses the DoIP protocol so that users can define functions in the LUA script, and SOME/IP to implement ECUs communication point service-oriented information transmission and analysis functions. Simulate and analyze the network, calibrate the XCP protocol to analyze transmitted/received data by automatically extracting parameters in messages based on the Develop DHCP v6, ICMP v6, NDP, and VLAN to analyze received messages.

The ECUs Ethernet communication simulator department develops the Ethernet BD file viewer and file creation function, develops the SOME/IP and Ethernet DB file read/write parser, develops the file structure and layer display module, and edits the protocol element and attribute change function. Modules can be developed.

The interface part includes ECUs simulator interface expansion module, file editor for editing, and integrated UX/UI.

The interface part can be developed as a script editor and panel editor.

The script editor implements user event/function creation functions for ECU analysis/simulation, develops SOME/IP, Gateway, and Ethernet Simulator API modules, implements API support functions and event display functions, and develops API-based user-only edit modules. .

Panel editor is an editor module for creating UI for ECUs analysis/simulation. It develops signals and panel interconnection modules for CAN, Ethernet, and Gateway transmission/reception messages, and develops an integrated simulator package for ECUs multi-communication network analysis/diagnosis.

The present invention, configured as described above, is a simulator dedicated to ECUs CAN communication network, and can support integrated CAN, CAN FD, and LIN protocols.

Through this, it is possible to implement the functions of collecting and generating ECUs CAN/Ethernet messages, analyzing and diagnosing ECUs CAN/Ethernet protocols, simulating ECUs CAN/Ethernet networks, simulating ECUs CAN/Ethernet networks, and calibrating ECUs CAN/Ethernet networks. Network simulator technology, ECUs Ethernet network simulator technology, ECUs multi-network integrated simulator technology, standard protocol framework design technology, CAN/Ethernet protocol analysis/diagnosis technology, and user-side editor and UX/UI technology can be implemented.

The functional operations described herein and embodiments of the subject matter described above may be implemented in digital electronic circuits, computer software, firmware or hardware, including the structures disclosed herein and their structural equivalents, or in a combination of one or more of these. possible.

Embodiments of the subject matter described herein may relate to one or more computer program products, that is, computer program instructions encoded on a tangible program medium for execution by or to control the operation of a data processing device. It can be implemented as a module. The tangible program medium may be a radio signal or a computer-readable medium. A radio signal is an artificially generated signal, such as a machine-generated electrical, optical or electromagnetic signal, that is generated to encode information for transmission to a suitable receiver device for execution by a computer. The computer-readable medium may be a machine-readable storage device, a machine-readable storage substrate, a memory device, a combination of materials that affect a machine-readable radio wave signal, or a combination of one or more of these.

A computer program (also known as a program, software, software application, script, or code) may be written in any form of a programming language, including a compiled or interpreted language, or an a priori or procedural language, as a stand-alone program or module; It can be deployed in any form, including components, subroutines, or other units suitable for use in a computer environment.

Computer programs do not necessarily correspond to files on a file device. A program may be stored within a single file that serves the requested program, or within multiple interacting files (e.g., more than one file storing a module, subprogram, or portion of code), or within a file holding other programs or data. Some (e.g., one or more scripts stored within a markup language document) may be stored.

The computer program may be deployed to run on a single computer or multiple computers located at one site or distributed across multiple sites and interconnected by a communications network.

Additionally, the logic flow and structural block diagram described in this patent document describe corresponding actions and/or specific methods supported by corresponding functions and steps supported by the disclosed structural means, It can also be used to set up software structures and algorithms and their equivalents.

The processes and logic flows described herein can be performed by one or more programmable processors, each of which executes one or more computer programs to perform functions by operating on received data and generating output.

Processors suitable for executing computer programs include, for example, any one or more processors of both general-purpose and special-purpose microprocessors and any type of digital computer. Typically, the processor will receive instructions and data from read-only memory, random access memory, or both.

The core elements of a computer are one or more memory devices for storing instructions and data and a processor for executing instructions. Additionally, a computer generally includes one or more mass storage devices for storing data, such as magnetic, magneto-optical or optical disks, operable to receive data from, transfer data to, or perform both such operations. It may be combined with or include these. However, a computer does not need to have such a device.

The present description sets forth the best mode of the invention and provides examples to illustrate the invention and to enable any person skilled in the art to make or use the invention. The specification prepared in this way does not limit the present invention to the specific terms presented.

Accordingly, although the present invention has been described in detail with reference to the above-described examples, those skilled in the art may make modifications, changes, and variations to the examples without departing from the scope of the present invention. In short, in order to achieve the effect intended by the present invention, it is not necessary to separately include all functional blocks shown in the drawings or to follow all the orders shown in the drawings, and even if not, the technical aspects of the present invention described in the claims may be used. Please note that it may fall within the range.

Claims (5)

In a simulator system that analyzes and diagnoses the network of ECUs provided in a vehicle,
ECUs CAN communication simulator enhancement unit that diagnoses the ODX protocol and corrects the general-purpose XCP protocol;
ECUs Ethernet communication simulator unit that diagnoses the DoIP protocol, simulates and analyzes the SOME/IP network, and corrects the XCP protocol; and
An interface unit including ECUs simulator interface expansion module, file editor for editing, and integrated UX/UI;
A CAN data conversion and Ethernet-linked simulation system based on a CAN/Ethernet communication network, comprising: According to paragraph 1,
CAN/Ethernet features include functions for collecting and generating ECUs CAN/Ethernet messages, analyzing and diagnosing ECUs CAN/Ethernet protocols, simulating ECUs CAN/Ethernet networks, simulating ECUs CAN/Ethernet networks, and calibrating ECUs CAN/Ethernet networks. CAN data conversion and Ethernet-linked simulation system based on communication network. According to paragraph 1,
Characterized by implementing ECUs CAN network simulator technology, ECUs Ethernet network simulator technology, ECUs multi-network integrated simulator technology, standard protocol framework design technology, CAN/Ethernet protocol analysis/diagnosis technology, and user-side editor and UX/UI technology. CAN data conversion and Ethernet-linked simulation system based on CAN/Ethernet communication network. According to paragraph 1,
CAN data conversion and Ethernet linkage simulation system based on CAN/Ethernet communication network, characterized as a simulator dedicated to ECUs CAN communication network. According to paragraph 1,
CAN data conversion and Ethernet-linked simulation system based on CAN/Ethernet communication network, featuring integrated support for CAN, CAN FD, and LIN protocols.