Process Inspection Device for Electronic Control Units
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Solution Overview
Problem
There is a need for an efficient method to inspect and test the processes of electronic control devices in autonomous vehicles, particularly for ensuring safe operation and monitoring sensor functions, which current technologies do not adequately address.
Innovation Solution
A process inspection device and method that utilize a converting controller to generate process monitoring messages by inputting specific values into dummy areas during serial communication, allowing an inspecting controller to monitor and inspect the process flow, enabling efficient and easy testing of electronic control devices and their peripherals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional inspection methods are used for electronic control devices, then external debug ports are required for process monitoring, but this increases device complexity and reduces ease of operation
Solution Approach 1:
The inspection functionality is extracted from the main electronic control device by using a separate converting controller that interfaces with the existing serial communication bus. This allows process monitoring to be performed without adding inspection-specific hardware to the controlled device, thereby reducing device complexity while maintaining ease of inspection.
Solution Approach 2:
A converting controller acts as an intermediary between the inspected device and the inspection system. It captures serial communication data, converts it into monitorable messages by injecting specific values into dummy areas, and forwards it to the inspecting controller. This mediator approach enables easy inspection without modifying the original device structure.
2Productivity
If dummy areas are utilized in serial communication messages, then process monitoring becomes efficient and easy, but requires conversion of communication protocols
Solution Approach 1:
The converting controller performs self-service by automatically capturing serial communication data, converting it to the appropriate message format with injected specific values, and forwarding it to the inspection system. This automated conversion process improves inspection efficiency while keeping the conversion complexity contained within a single dedicated component rather than requiring complex system-wide changes.
3Device complexity
If process monitoring messages are generated through serial communication conversion, then external debug ports are eliminated, but requires input of specific values into message dummy areas
Solution Approach 1:
The converting controller is pre-configured with the specific values to be injected into dummy areas of serial communication messages. This preliminary setup allows the system to generate process monitoring messages automatically during operation without requiring manual intervention or complex runtime processing, thereby eliminating external debug ports while maintaining ease of implementation.
Data Source
AI summary
The embodiments of the present disclosure relate to a device and method for inspecting process and an electronic control device. The device for inspecting process may include a converting controller configuring to be controlled for, when a preset operation is performed in a serial communication, converting into at least one process monitoring message by inputting a specific value into a dummy area included in at least one message corresponding to the preset operation, and an inspecting controller configuring to be controlled for inspecting a process based on the process monitoring message.