Vehicle Braking System Threshold Customization
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Solution Overview
Problem
Existing vehicle braking systems lack the ability to allow drivers to customize the threshold value for automatic braking, which may not suit individual driving styles, potentially leading to unsafe triggering of emergency braking.
Innovation Solution
The method allows drivers to specify and adjust the threshold value for automatic braking by interacting directly with the braking system through the brake pedal during an initialization operation, ensuring the threshold value is set according to their capabilities and preferences, with visual and acoustic feedback for confirmation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standard threshold value is used for automatic braking, then the braking system can be manufactured and deployed universally, but it cannot be adapted to individual driver capabilities and preferences
Solution Approach 1:
The system performs preliminary calibration during an initialization operation before normal operation begins. The driver specifies the threshold value once during vehicle setup, and this value is then stored and used automatically during all subsequent braking operations, eliminating the need for repeated adjustments
Solution Approach 2:
The driver themselves specifies the threshold value that suits their driving style and capabilities. The system provides an operating element that allows the driver to directly input their preferred threshold value during initialization, making the system self-configuring without requiring external calibration equipment or complex setup procedures
2Reliability
If the threshold value is fixed at a standard level, then the system is simple to manufacture and deploy, but it may trigger unsafe emergency braking or fail to trigger when needed for drivers with different capabilities
Solution Approach 1:
The threshold value is determined in advance during an initialization operation performed by the driver. This pre-specified value is then stored and automatically applied during all subsequent braking operations, ensuring reliable and consistent triggering behavior tailored to the individual driver's capabilities
Solution Approach 2:
The threshold value is made variable and adjustable rather than fixed. The system allows the driver to specify different threshold values during initialization, and the braking assistant adapts its behavior based on this user-defined parameter, making the system dynamically configurable to individual needs
3Adaptability or versatility
If drivers can customize the threshold value, then the braking system becomes adaptable to individual needs, but the initialization process becomes more complex
Solution Approach 1:
The operating element used to specify the threshold value during initialization can serve multiple functions or is integrated into the existing vehicle interface. The system provides a unified approach where the same or similar interface elements used for other vehicle operations can also perform the threshold specification function, reducing the need for separate dedicated controls
Solution Approach 2:
The driver performs the threshold specification themselves during initialization using an operating element provided by the system. The process is designed to be self-contained, requiring no external equipment or complex calibration procedures, and the driver can complete the setup independently
Data Source
AI summary
A method for operating a braking system of a vehicle, particularly of a motor vehicle, is described in which an automatic braking process is triggered by the exceeding of a specifiable threshold value by a rate of change conditioned upon the operation of a brake pedal. It is provided, in this context, that the threshold value is specified/varied by the driver in an initialization operation of the braking system. Also described is a related braking system.