Dual-Channel Wire Control for Vehicle Error Compensation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cable-based control systems for motor vehicles, inspired by aircraft technology, are costly and complex, making them unsuitable for widespread adoption due to lower error rates and safety requirements in motor vehicles, which demand simpler and more cost-effective solutions for reliable communication.
Innovation Solution
A structurally simple and cost-effective cable-based control system for motor vehicles utilizing a bidirectional electrical vehicle network for error detection and a unidirectional optical fiber channel for secure communication, with redundant transmission channels and switching units to ensure reliable data transmission and error compensation, incorporating a central control unit and application-specific integrated circuits for secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If aircraft-style cable-based control systems with multiple communication lines and majority decision are used in motor vehicles, then reliability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The communication system is segmented into two independent channels: a first bidirectional channel for command transmission and feedback, and a second unidirectional channel for redundant command transmission. This segmentation allows each channel to have optimized characteristics while maintaining overall system reliability without requiring the complex multi-channel architecture of aircraft systems.
Solution Approach 2:
Different quality characteristics are assigned to different communication channels based on their specific functions. The first channel uses bidirectional communication with feedback capabilities for normal operation, while the second channel uses unidirectional transmission for error compensation. This local optimization reduces overall system complexity while maintaining reliability.
2Reliability
If aircraft-style cable-based control systems with multiple communication lines and majority decision are used in motor vehicles, then reliability is improved, but manufacturing cost increases
Solution Approach 1:
The invention uses a simplified copying approach where the second communication channel transmits redundant command signals from the input means to the execution means. This unidirectional copy channel provides error compensation without requiring the complex bidirectional communication and processing infrastructure of aircraft systems, thereby reducing manufacturing costs while maintaining reliability.
Solution Approach 2:
The second unidirectional communication channel serves as a disposable redundancy mechanism - it is simple, cost-effective, and designed for single-direction transmission without the need for complex feedback processing. This approach prioritizes cost-effectiveness while providing sufficient error compensation for motor vehicle applications.
3Reliability
If redundant transmission channels are implemented in cable-based control systems, then error compensation is improved, but device complexity increases
Solution Approach 1:
The system dynamically switches between the first and second communication channels based on error detection. The control unit monitors the bidirectional first channel and activates the unidirectional second channel when errors are detected, providing adaptive error compensation without requiring both channels to operate simultaneously at full complexity.
Solution Approach 2:
The control unit acts as an intermediary that receives signals from both communication channels, compares them, and determines the correct command to execute. This intermediary function provides intelligent error compensation while keeping the individual channel structures simple and manageable.
Data Source
AI summary
A wire based control system for controlling a motor vehicle has an input having a transmitting unit for emitting signals for executing input commands, a first transmission channel for transmitting a first signal, a second transmission channel for transmitting a second signal, a receiving unit for receiving the signals, and an execution for executing the input commands.