Driver Assistance Environmental Map Trajectory Selection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In complex traffic situations, driver assistance systems face difficulties in interpreting sensor data and determining optimal trajectories, leading to inadequate driver support due to inadequate environmental detection and sensor properties.
Innovation Solution
A method that visualizes an environmental map on a display device, allowing drivers to input desired trajectory data via a user interface, which is used to guide the vehicle partially automatically, especially in situations where sensor detection is unreliable, by using a touchscreen or mobile device to interact with the map and select candidate trajectories optimized for safety and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If driver assistance systems rely solely on automated sensor data interpretation and trajectory determination, then automation extent is improved, but reliability deteriorates in complex traffic situations due to inadequate environmental detection and sensor properties
Solution Approach 1:
The system introduces an intermediary layer between automated sensor processing and final trajectory determination. Environmental maps serve as this intermediary, providing a visual representation that bridges automated detection and human decision-making, allowing drivers to review and correct automated interpretations before execution
Solution Approach 2:
The system implements feedback by continuously updating environmental maps with current sensor data and presenting them to drivers for verification. This closed-loop feedback mechanism allows drivers to detect errors in automated interpretation and provide corrective input, improving reliability while maintaining automation
2Productivity
If the system provides comprehensive automated trajectory determination, then productivity is improved, but loss of information occurs when sensor data interpretation is inadequate in complex situations
Solution Approach 1:
The system performs preliminary action by generating environmental maps from sensor data before presenting them to drivers. This advance preparation allows rapid display of processed information while giving drivers time to review and supplement any missing details, maintaining both speed and information completeness
3Reliability
If the system allows active driver involvement in trajectory selection, then reliability is improved, but device complexity increases due to additional user interface components
Solution Approach 1:
The system applies universality by designing a multi-functional user interface that can display environmental maps, present candidate trajectories, accept driver corrections, and provide feedback all through a single integrated display device. This consolidates multiple functions into one interface, reducing overall complexity while enabling active driver involvement
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances driver perception and support by allowing active involvement in trajectory selection, improving the determination of trajectories and ensuring safer navigation in complex situations by leveraging driver input and high-resolution radar sensor data.
Implementation Method 1
the motor vehicle has as least one radar sensor as an environment sensor which captures the environment of the motor vehicle and the sensor data from which are evaluated to form an environmental model describing the environment of the motor vehicle
Data Source
AI summary
Systems and methods for operating a driver assistance system of a motor vehicle are provided, wherein the motor vehicle has at least one radar sensor which captures the environment of the motor vehicle. The radar sensor data is evaluated to form an environmental model describing the environment of the motor vehicle. If at least one query criterion is satisfied, an environmental map derived from the environmental model, and illustrating a top view of regions which can and cannot be travelled on is displayed on the display device. During an interaction between the driver and the displayed environmental map, trajectory data describing a desired trajectory of the driver is determined, and the motor vehicle is at least partially automatically guided along a real trajectory derived from the trajectory data.