Remote Vehicle Diagnostics via Protocol Gateway
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Solution Overview
Problem
Existing remote vehicle diagnostic systems lack compatibility due to their reliance on application-layer-based communication, which restricts them to specific diagnostic devices and fails to define how to implement remote diagnostics according to standard diagnostic standards.
Innovation Solution
A method and system for remote vehicle diagnostics that utilize a vehicle diagnostic terminal and connector with a preset programming interface to establish a remote communication connection, convert diagnostic instruction data into a readable format, and perform diagnostic operations, thereby improving compatibility across different vehicle systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If application-layer-based remote diagnostics are used, then remote diagnostic functionality is achieved, but compatibility is poor and only specific diagnostic devices are supported
Solution Approach 1:
The patent introduces a gateway device as an intermediary between the diagnostic device and the vehicle's control units. The gateway translates diagnostic messages between different protocols and data formats, enabling universal compatibility. The gateway receives diagnostic requests from external diagnostic devices, converts them into vehicle-specific formats, forwards them to appropriate control units, and translates responses back to universal formats for the diagnostic device.
Solution Approach 2:
The gateway device is designed with multi-functional capabilities to handle multiple diagnostic protocols and communication standards simultaneously. It can interface with various vehicle control units using different protocols while presenting a unified diagnostic interface to external devices, making the system universally compatible across different vehicle types and diagnostic tools.
2Reliability
If existing diagnostic standards are followed, then standardized diagnostics are possible, but remote diagnostics implementation is not defined
Solution Approach 1:
The patent segments the diagnostic system into distinct functional modules: an external diagnostic device, a gateway device with protocol translation capabilities, and vehicle control units. This segmentation allows each component to specialize in specific functions while maintaining standard compliance at the interface level, enabling remote diagnostics without compromising standard adherence.
3Adaptability or versatility
If data format conversion is implemented, then compatibility with different vehicle systems is improved, but processing complexity increases
Solution Approach 1:
The gateway device serves as an intermediary that centralizes all data format conversion operations. Instead of distributing conversion logic across multiple components, the gateway consolidates protocol translation and data format adaptation in one location, simplifying the overall system architecture while maintaining compatibility with diverse vehicle systems.
Data Source
AI summary
A method and system for remote vehicle diagnostics are provided. The method is applicable to a remote vehicle diagnostic system including a vehicle diagnostic terminal and a vehicle connector. A remote communication connection between the vehicle diagnostic terminal and the vehicle connector is established via a preset programming interface. The vehicle diagnostic terminal receives diagnostic instruction data of a diagnostic application. The vehicle diagnostic terminal transmits the diagnostic instruction data to the vehicle connector via the preset programming interface by way of the remote communication. The vehicle connector converts the diagnostic instruction data into first data in a first data format, and performs a diagnostic operation corresponding to the first data, where the first data format is readable by a vehicle.