Vehicle Controller Mode Switching for Remote Driving Safety
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Solution Overview
Problem
Existing remote driving technologies face challenges in ensuring safe vehicle operation, particularly when communication between the remote driver and vehicle is poor or when the remote driver is fatigued, leading to a decreased traveling safety degree.
Innovation Solution
A vehicle controller that monitors the vehicle's traveling characteristics and switches the driving mode from remote driving to manual or automated driving when predetermined safety thresholds are not met, outputting warnings to the occupant and adjusting the mode accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If remote driving is implemented, then driving convenience is improved, but traveling safety degree deteriorates when communication is poor or driver is fatigued
Solution Approach 1:
The system continuously monitors communication quality between the remote driver and vehicle, and detects the remote driver's fatigue level. Based on this feedback, the system automatically switches between remote driving and manual/automated driving modes to maintain safety while preserving remote driving convenience when conditions permit.
Solution Approach 2:
The driving mode is made dynamic rather than static. The system can switch between remote driving mode and manual/automated driving mode based on real-time assessment of communication quality and driver fatigue level, allowing the system to adapt to changing conditions and maintain optimal safety.
2Ease of operation
If remote driving mode is used, then ease of operation is improved, but reliability deteriorates under poor communication conditions
Solution Approach 1:
The system monitors communication quality in real-time and uses this feedback to determine when to switch from remote driving to manual/automated mode, ensuring safety is maintained when communication conditions deteriorate.
Solution Approach 2:
The system proactively switches to manual or automated driving mode before safety is compromised by poor communication conditions, preventing unsafe remote driving operations rather than merely reacting after problems occur.
3Reliability
If automated switching is implemented, then traveling safety degree is improved, but device complexity increases
Solution Approach 1:
The vehicle controller is designed to perform multiple functions: it controls the vehicle during manual driving, manages automated driving operations, monitors communication quality, detects driver fatigue, and executes mode switching. This multi-functionality reduces the need for separate dedicated systems.
Solution Approach 2:
The system combines the remote driving control functions with the automated driving control functions in a single vehicle controller, and integrates monitoring of communication quality and driver fatigue into the same control unit, reducing overall system complexity despite the sophisticated switching logic.
Data Source
AI summary
A vehicle controller is provided, which controls a vehicle having a first driving mode in which the vehicle travels according to a first control signal based on on manual driving or automated driving, and a second driving mode in which the vehicle travels according to a second control signal based on remote driving, where the vehicle controller includes: a vehicle control unit configured to control the vehicle; a characteristic determining unit configured to determine a travelling characteristic of the vehicle during a period in which the vehicle control unit is controlling the vehicle according to the second control signal; and a mode control unit configured to, when a characteristic determined by the characteristic determining unit satisfies a predetermined condition, cause the vehicle to exit the second driving mode and enter the first driving mode.