Modular Vehicle Gateway With Touchscreen for Secure Interface Testing
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Solution Overview
Problem
Existing network-to-network gateways for vehicles lack modularity, security, and efficiency in operation and testing, particularly in adapting to changing requirements and ensuring functional safety and reliability.
Innovation Solution
A modular network-to-network gateway with detachable connectors for interfaces and modules, including a touch screen, daughter boards, and secure update capabilities, allowing flexible adaptation and enhanced diagnostic and testing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed, integrated gateway design is used, then device complexity is reduced, but adaptability to changing requirements deteriorates
Solution Approach 1:
The gateway is divided into a main unit and detachable interface modules. Each interface module can be independently connected or disconnected via connectors, allowing the system to be segmented into functional units that can be reconfigured based on requirements without redesigning the entire device.
Solution Approach 2:
The gateway transitions from a static, fixed configuration to a dynamic, reconfigurable system. Interfaces and modules can be attached or detached as needed, enabling the device to adapt its functionality dynamically based on changing operational requirements or future needs.
2Ease of operation
If external devices (laptop, tablet, phone) are required for operation, then functionality is enhanced, but operational complexity and security risks increase
Solution Approach 1:
The user interface functions are merged directly into the gateway device through an integrated display and control interface. This eliminates the need for separate external devices (laptops, tablets, phones) and their associated applications, consolidating all operational controls within the gateway itself.
Solution Approach 2:
The gateway becomes self-sufficient by incorporating its own display and control interface. It no longer relies on external devices for operation, allowing users to directly interact with the gateway through its built-in interface, thereby reducing operational complexity and eliminating the need for additional software on external devices.
3Adaptability or versatility
If data transmission to external devices is required, then functionality is improved, but security against cyber attacks deteriorates
Solution Approach 1:
The gateway extracts and eliminates the vulnerable data transmission pathway to external devices. By removing the need for external devices and their communication interfaces, the system eliminates a potential security vulnerability vector while maintaining full functionality through its integrated interface.
Solution Approach 2:
The integrated display and control interface acts as an intermediary that provides all necessary user interaction capabilities without requiring external devices. This intermediary eliminates the need for data transmission to external devices, thereby maintaining security while preserving functionality.
Data Source
AI summary
The present disclosure relates to a network-to-network gateway for vehicles, including a motherboard, a data processing unit and connectors and/or interfaces for interaction by digital data and a touch screen. Further aspects of the present disclosure are a vehicle with a gateway according to the present disclosure and methods for developing and performing tests with a gateway according to the present disclosure.