Vehicle Steering Handover Using Wireless Hazard Prediction
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Solution Overview
Problem
Existing vehicle control systems face challenges in smoothly transitioning from automatic steering mode to manual steering mode due to the limited detection range of autonomous sensors, which requires hasty driver intervention and may lead to unsafe switching scenarios.
Innovation Solution
A vehicle control device that utilizes information from a wireless communication system, such as ITS, to determine when to switch from automatic steering mode to manual steering mode, allowing for earlier and smoother transitions by considering positional relationships and event information from other vehicles, thereby extending the detection range and improving safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If autonomous sensors are used for detection, then the vehicle can operate in automatic steering mode, but the detection range is limited requiring hasty driver intervention
Solution Approach 1:
The system performs preliminary detection of potential hazards using wireless communication before the autonomous sensors' detection range is exhausted. By receiving information from other vehicles about upcoming events (accidents, traffic jams, road conditions), the system can alert the driver in advance, providing sufficient reaction time and avoiding hasty intervention.
2Extent of automation
If autonomous sensors are used for detection, then the vehicle can operate in automatic steering mode, but the switching may be abrupt and unsafe
Solution Approach 1:
The system performs preliminary detection of potential hazards using wireless communication before the autonomous sensors' detection range is exhausted. By receiving information from other vehicles about upcoming events (accidents, traffic jams, road conditions), the system can alert the driver in advance, providing sufficient reaction time and avoiding hasty intervention.
Solution Approach 2:
Wireless communication systems serve as an intermediary between distant hazards and the autonomous sensors. The system receives information from other vehicles about events beyond the sensor range, acts as an early warning system, and enables smooth transition to manual mode by providing advance notice to the driver.
3Length of stationary object
If wireless communication information is used, then the detection range is extended, but the system complexity increases
Solution Approach 1:
The wireless communication system is designed to handle multiple functions: receiving information from other vehicles, processing the data to identify hazards, determining whether the hazard is detectable by autonomous sensors, and notifying the driver. This multi-functional approach consolidates what could be separate complex systems into a unified architecture.
Data Source
AI summary
A method includes: receiving first positional information including a current position, a traveling direction and a traveling speed of a first vehicle; receiving second positional information including a current position, a traveling direction and a traveling speed of a second vehicle; broadcasting the first positional information according to a timing based on a packetized signal from the base station or when no signal is detected from a vehicle other than the first vehicle; estimating a future position of the first vehicle based on the first positional information; estimating a future position of the second vehicle based on the second positional information; determining whether a distance between the future position of the first vehicle and the future position of the second vehicle is shorter than a threshold value; and outputting information indicating the distance is shorter than the threshold value, when the distance is shorter than the threshold value.