Autonomous Mode Transition Control Unit for Driver Assistance Systems
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Solution Overview
Problem
The proliferation of driving assistance modes in vehicles leads to user confusion and safety risks as drivers struggle to select the appropriate mode according to circumstances, often resulting in abandonment of these systems due to complexity and uncertainty about their responsibilities.
Innovation Solution
A method implemented by a control unit in a driving assistance system that detects the need to transition between autonomous modes, determines the tasks to be transferred between driver and vehicle, and automatically activates the appropriate mode, providing clear signals to the driver through visual and audio cues, ensuring safety and simplifying mode selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple driver assistance modes are provided to handle different driving situations, then the system's adaptability and functionality are improved, but the device complexity and ease of operation deteriorate as drivers struggle to select the appropriate mode
Solution Approach 1:
The control unit automatically detects the current driving situation and autonomously selects the most appropriate autonomous mode without requiring manual driver input. The system monitors driving conditions, compares them against predefined criteria for different modes, and automatically activates the suitable mode, making the system self-configuring and eliminating the burden of manual mode selection from the driver.
2Ease of operation
If manual mode selection is required, then the driver has control over mode choice, but the ease of operation deteriorates and driver confusion increases
Solution Approach 1:
The control unit provides continuous feedback to the driver through a signal output that indicates the currently active autonomous mode and the driving situation it addresses. This feedback mechanism keeps the driver informed about system operations, maintains driver awareness, and eliminates confusion by clearly communicating what mode is active and why.
3Ease of operation
If automatic mode transition is implemented, then the ease of operation is improved, but the reliability may deteriorate if tasks are not properly transferred between driver and vehicle
Solution Approach 1:
The control unit performs preliminary analysis of the driving situation and pre-determines the appropriate autonomous mode before automatic transition occurs. By evaluating current conditions against predefined criteria in advance, the system ensures that mode transitions are based on thorough assessment, and task transfers between driver and vehicle are planned and executed safely, maintaining reliability while enabling automatic operation.
Data Source
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AI summary
The invention relates to a method for assisting a driver of a vehicle, said method being implemented by a unit controlling a driver assistance system, comprising an enabled first autonomous mode that performs a first set of driving tasks. The invention is characterized in that it comprises steps of: - detecting (210) future disabling of the first autonomous mode, - determining (220) an available second autonomous mode that performs a second set of driving tasks, - determining (230) the tasks performed by only one of the two autonomous modes, - sending (240) a signal to the driver to indicate the predetermined tasks, - enabling (250) the second autonomous mode.