Electronic Control Unit Feature Discovery and Dynamic Loading
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Solution Overview
Problem
In automotive electronics, managing system variations across distributed electronic control units is inefficient due to the need for each unit to be aware of feature differences, leading to increased complexity and costs.
Innovation Solution
Implementing system configuration management using encapsulation and discovery, where electronic control units determine and selectively load features through a discovery procedure, allowing units to operate based on available features without requiring all units to implement the same features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If each electronic control unit is made aware of all feature differences across system variations, then system configuration management becomes possible, but device complexity and implementation costs increase
Solution Approach 1:
The patent segments the feature set into individual feature identifiers that can be independently discovered and managed. Each electronic control unit only needs to know about features relevant to its function, not all features in the system. The discovery procedure queries other control units for their feature sets, allowing segmented knowledge distribution across the network.
Solution Approach 2:
The patent creates a universal discovery procedure that can be executed by any electronic control unit in the network to determine available features. This universal mechanism allows the same control unit design to function across different system variations without requiring unit-specific customization, reducing overall device complexity while maintaining adaptability.
2Reliability
If each electronic control unit implements all possible features, then all units can operate independently, but implementation costs and device complexity increase
Solution Approach 1:
The patent implements dynamic feature loading where electronic control units selectively load feature implementations based on what is available in the system. Instead of statically compiling all features into every unit, the system dynamically determines at runtime which features are present and loads only those features, reducing implementation costs while maintaining unit independence through the discovery procedure.
Solution Approach 2:
The patent changes the parameter of feature availability from a fixed compile-time property to a dynamic runtime property. Control units can adapt their behavior based on the discovered feature set, allowing the same hardware to support multiple configuration scenarios without requiring all features to be physically implemented in every unit, thereby reducing manufacturing costs.
3Ease of manufacture
If the same control unit design is used across all system variations, then manufacturing simplicity is maintained, but the ability to handle feature variations is lost
Solution Approach 1:
The patent enables control units to self-determine their operational configuration through the discovery procedure. Each unit independently queries the network to discover which features are available and automatically adapts its behavior accordingly. This self-service mechanism allows a single control unit design to handle feature variations without requiring manual configuration or multiple hardware variants, maintaining manufacturing simplicity while achieving adaptability.
Data Source
AI summary
System configuration management using encapsulation and discovery is provided. The configuration management may include requesting, by a first electronic control unit comprising a processor, feature information associated with a second electronic control unit. The feature information may include data related to a set of features implemented by the second electronic control unit. The configuration management may also include loading, by the first electronic control unit, an internal control for a first feature of the set of features based on a determination that the first feature is not loaded on the first electronic control unit.