Vehicle Control Architecture for Upgradable Secondary ECU
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Solution Overview
Problem
The existing vehicle control systems face challenges in efficiently improving performance after the vehicle is shipped, as updating or replacing the hardware of electronic control apparatuses is difficult and costly, especially with the rapid advancements in mobile terminal operating systems and applications.
Innovation Solution
A vehicle control system comprising a first electronic control apparatus and a second electronic control apparatus, where the second apparatus has higher processing performance and can be easily connected via wired or wireless communication, allowing for data exchange with reduced communication performance requirements, enabling device control and facilitating hardware upgrades without physical replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the hardware of electronic control apparatuses is updated or replaced to improve performance, then the processing capability and functionality are improved, but the difficulty and cost of physical hardware replacement increase
Solution Approach 1:
The system is divided into a first electronic control apparatus (with stable controller and housing) and a second electronic control apparatus (with upgradable controller). This segmentation allows the second controller to be independently replaced without affecting the first controller or the housing structure, enabling easy hardware upgrades while maintaining system stability.
Solution Approach 2:
The communication circuit is designed with universal communication protocols and interfaces that can work with different controller types. This allows the second controller to be replaced with different models or versions while maintaining compatibility through standardized communication methods, reducing hardware replacement difficulty.
2Productivity
If the second electronic control apparatus is designed with higher processing performance, then the overall system performance is improved, but the communication overhead and data transmission requirements increase
Solution Approach 1:
The communication function is extracted as a separate, standardized interface between the first and second electronic control apparatuses. This allows the high-performance second controller to process data locally without requiring excessive communication overhead, as only necessary data exchanges are performed through the dedicated communication circuit.
Solution Approach 2:
The communication circuit acts as an intermediary with optimized protocols that efficiently bridge the first and second controllers. This mediator role allows the high-performance second controller to operate at full capability while minimizing communication overhead through efficient data packaging and transmission protocols.
Data Source
AI summary
A vehicle control system includes a first electronic control apparatus and a second electronic control apparatus. The first electronic control apparatus includes a first controller, a first communication circuit, and a housing. The first controller is configured to execute a first operating system that operates a first application. The housing is configured to contain the first controller and the first communication circuit. The second electronic control apparatus includes a second controller and a second communication circuit. The second controller is configured to execute a second operating system that operates a second application. The second communication circuit is configured to perform data communication with the first communication circuit.