Driver Assistance Unit Correcting Signals for Vehicle Dynamics Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Driving dynamics control systems struggle to ensure optimal driving safety and dynamics, particularly when drivers are overwhelmed by stress or challenging conditions, leading to suboptimal inputs that may result in hazardous situations.
Innovation Solution
A driver assistance system evaluates and processes driver inputs, using sensor data and map information to generate corrected signals that prevent lane departures and hazardous situations by interacting with the vehicle's driving dynamics control systems, such as ESP, to maintain safe trajectories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the driver assistance system corrects driver signals to improve safety, then driving safety is improved, but the system complexity increases
Solution Approach 1:
The driver assistance unit acts as an intermediary between the driver and the driving dynamics control system. It receives driver signals, evaluates them against boundary conditions using observer signals, and generates corrected driver signals when necessary. This mediator approach allows safety improvements without requiring direct modification of the existing control systems.
Solution Approach 2:
The system performs preliminary evaluation of driver signals before they reach the driving dynamics control system. By checking boundary conditions in advance and correcting signals proactively, the system prevents hazardous situations rather than reacting to them, improving safety while maintaining a relatively simple architecture.
2Reliability
If the driver assistance system continuously monitors and corrects driver inputs, then driving dynamics control is improved, but the processing time and computational load increase
Solution Approach 1:
The system applies preliminary anti-action by evaluating boundary conditions that would lead to hazardous situations before they occur. By using observer signals to predict potential violations and correcting driver inputs in advance, the system improves driving dynamics control without requiring continuous full-scale processing of all sensor data.
Solution Approach 2:
The system applies partial correction rather than continuous full correction. It only intervenes when boundary conditions indicate a potential hazard, allowing normal driver inputs to pass through unchanged. This selective approach improves control reliability while minimizing processing time and computational load.
Data Source
AI summary
A method for assisting a driver by a driver assistance system, the driver assistance system evaluating and processing information items input by the driver and/or driver specifications as driver signals in a driver assistance unit and providing corrected driver signals, if the driver assistance unit evaluates a correction boundary condition as being satisfied, the driver assistance unit utilizing the observer signals of an observer unit for the evaluation of the correction boundary condition and for the generation of the corrected driver signals, the observer signals being dependent on the present driving state situation detected by vehicle sensors and/or on at least one information item relating to the course of the driving lane, the corrected driver signals being provided to a driving dynamics control system of the vehicle.