Driver Assistance Warning for Turning Maneuvers
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Solution Overview
Problem
Current driver assistance systems face limitations in detecting obstacles outside their field of view, particularly during turning maneuvers at low speeds, leading to potential collisions and reduced functionality due to high error rates, and drivers may misuse emergency braking systems as an 'everyday parking aid' by initiating it too late.
Innovation Solution
A method that captures the vehicle's environment using sensors to create a three-dimensional model, predicts the driver's intended maneuver, and issues warnings when the system's limits are exceeded, allowing the driver to adjust their speed or take control, ensuring safe operation within the system's capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the driver assistance system provides comprehensive support during turning maneuvers, then the driver receives continuous guidance, but the system cannot detect objects behind obstacles in the inner curve radius area, leading to potential collisions
Solution Approach 1:
The system applies preliminary anti-action by issuing warnings to the driver before a collision can occur. When the system detects that the vehicle is moving too quickly for the current detection capabilities during a turning maneuver, it warns the driver in advance, allowing the driver to slow down or take control before a collision risk arises.
Solution Approach 2:
The system implements feedback by continuously monitoring the vehicle's speed, steering angle, and sensor detection capabilities, then providing real-time warnings to the driver when system limits are exceeded. This closed-loop feedback mechanism informs the driver about the system's operational boundaries and enables corrective action.
2Reliability
If the system reduces its functional scope to avoid errors, then error rates are reduced, but the driver may misuse emergency braking as an everyday parking aid by initiating it too late
Solution Approach 1:
The system performs preliminary action by issuing warnings well before the driver would need to initiate emergency braking. By detecting potential collision risks early and alerting the driver in advance, the system provides sufficient time for the driver to take appropriate action, preventing both false emergency braking and actual collisions.
3Productivity
If the driver moves the vehicle quickly during turning maneuvers, then productivity is improved, but objects outside the field of vision cannot be detected, increasing collision risk
Solution Approach 1:
The system applies dynamics by adaptively adjusting its warning thresholds based on the vehicle's current speed, steering angle, and sensor detection capabilities. As the vehicle moves faster during turning maneuvers, the system dynamically recalculates the detection coverage and issues warnings when the speed exceeds what the current sensor configuration can safely support.
Data Source
AI summary
The invention relates to a method for assisting a driver of a motor vehicle (1) during a driving manoeuvre, in which the surroundings are sensed and a three-dimensional model is produced from the acquired data relating to the surroundings, a driving manoeuvre which the driver of the motor vehicle (1) is expected to carry out is predicted and a warning is issued to the driver of the motor vehicle (1) if the predicted driving manoeuvre exceeds system limits of a driver assistance system which is used to assist the driver or if sufficient sensing of the surroundings is not possible within the area of the predicted driving manoeuvre. Furthermore, the invention relates to a device for carrying out the method.