Non-autonomous Steering Modes for Vehicle Handoff
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Solution Overview
Problem
Autonomous and semi-autonomous vehicles face challenges in seamlessly transitioning control between automated systems and human drivers during handoff procedures, requiring a smooth and efficient method to manage steering modes.
Innovation Solution
A computer system in the host vehicle is programmed to detect user input and select between non-autonomous steering modes, using communication interfaces and sensors to facilitate communication between user devices and vehicle components, allowing for manual control through virtual steering or accelerometer inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system provides multiple non-autonomous steering modes for user selection, then user control and safety are enhanced, but device complexity increases
Solution Approach 1:
The steering control system is segmented into multiple distinct non-autonomous steering modes (e.g., virtual steering mode, accelerometer-based mode, split-panorama mode), allowing the system to offer diverse control options while maintaining clear separation between each mode's functionality and interface, thus enhancing user control without creating overwhelming complexity
Solution Approach 2:
The system dynamically adapts between different steering modes based on user input and driving conditions, allowing seamless transitions between autonomous and non-autonomous modes, and between different non-autonomous steering modes, making the complexity manageable through context-aware adaptability rather than fixed complexity
2Productivity
If the system enables seamless transition between autonomous and non-autonomous modes, then handoff efficiency is improved, but the difficulty of detecting and measuring control state changes increases
Solution Approach 1:
The system implements feedback mechanisms that continuously monitor user input, vehicle state, and mode selection status, providing real-time information about the current control state and facilitating smooth transitions between autonomous and non-autonomous modes while making the state changes detectable and measurable through sensor data and system responses
Solution Approach 2:
The system performs preliminary actions by preparing for mode transitions in advance, such as detecting user intent before full handoff occurs, pre-configuring the appropriate steering mode based on predicted user needs, and gradually transferring control to ensure seamless transitions that are both efficient and detectable
Data Source
AI summary
A computer is programmed to detect a request to steer a host vehicle. The computer is further programmed to determine a steering angle of the host vehicle. The computer is further programmed to send a notification to select one of a first non-autonomous steering mode and a second non-autonomous steering mode. The computer is further programmed to detect a selection of one of the first and second non-autonomous steering modes. The computer is further programmed to steer the host vehicle according to the selected mode and signals received from a user device.