Master-Slave Driver Assistance Interface for Maneuver Control
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Solution Overview
Problem
Current fully automated driver assistance systems lack a clear and intuitive human-machine interface for drivers to effectively monitor and influence vehicle maneuvers, particularly in situations requiring transverse and longitudinal control, leading to a disconnect between the driver's intentions and the vehicle's actions.
Innovation Solution
A driver assistance system with a control unit and user interface configured as a master-slave arrangement, where the user interface allows for input of driving maneuvers and parameters through graphical or haptic means, enabling the system to independently execute these commands while ensuring safety and flexibility, decoupling direct user input from actual vehicle control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fully automated driver assistance system is implemented, then the driver's attention can be diverted from primary driving tasks, but the driver loses direct control and understanding of vehicle maneuvers
Solution Approach 1:
The system implements a graphical user interface that provides continuous visual feedback to the driver, displaying the current driving maneuver being executed by the automated system. This feedback loop maintains driver awareness and understanding of vehicle actions while preserving automated operation, resolving the information loss problem.
Solution Approach 2:
The graphical user interface acts as an intermediary between the automated control system and the driver. It translates complex automated maneuvers into comprehensible visual representations, allowing the driver to monitor and understand system actions without needing to directly control the vehicle.
2Ease of operation
If the user interface directly controls the vehicle actuators, then the driver has precise control, but the driver must maintain constant attention and perform complex coordination tasks
Solution Approach 1:
The control system is segmented into two distinct functional parts: the automated slave control unit that performs complex coordination and actuator control, and the simplified master user interface that receives high-level driver commands. This segmentation allows the driver to specify maneuvers without managing complex control coordination.
Solution Approach 2:
The automated control system performs self-service by independently executing maneuvers and coordinating actuators without continuous driver intervention. Once the driver inputs a desired maneuver through the simplified interface, the system autonomously handles the complex control sequences required to implement it.
3Speed
If the system executes maneuvers immediately upon receiving input, then the response is fast, but safety may be compromised without adequate environmental assessment
Solution Approach 1:
The system performs preliminary environmental assessment and safety verification before executing maneuvers. The automated control unit evaluates surrounding conditions and predicts maneuver outcomes in advance, ensuring safety requirements are met before initiating actual vehicle actions.
Solution Approach 2:
The system continuously monitors environmental conditions and provides feedback to the control unit during maneuver execution. This real-time feedback allows the system to adjust or abort maneuvers if safety conditions change, maintaining reliability while preserving responsive execution.
Data Source
AI summary
A driver assistance system for the fully automated driving of a motor vehicle has a control device for generating control signals for actuators of the motor vehicle, which are designed to drive the motor vehicle. The control device forms a slave of a master-slave arrangement. A user interface of the device forms the master. The user interface receives as an input from a user, a selection of a driving maneuver that is to be performed by the slave and/or a driving parameter value for a driving parameter with respect to a driving maneuver which is currently carried out by the slave. After completion of the input, the user interface activates the slave as a function of the input. The user interface has a representation of the motor vehicle, arranged in a field, wherein an edge represents a maximum permissible change in the driving parameter value.