Front Brake Indicator for Turn-Specific Deceleration Cues
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Solution Overview
Problem
Existing brake lights do not effectively indicate to viewers in front of a vehicle that it is decelerating only when a turn signal is displayed, failing to provide clear visual cues for safe following distances.
Innovation Solution
A brake deployment indicator is integrated into the vehicle's front end, which activates a distinct visual signal when the brake pedal is operated and a turn indicator is activated, providing a clear indication that the vehicle is decelerating in preparation for a turn.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a brake light is mounted to indicate deceleration, then viewers can see that the vehicle is decelerating, but viewers cannot distinguish whether the deceleration is for stopping or for turning
Solution Approach 1:
The brake light system is segmented into two distinct components: a standard brake light for stopping and a separate brake deployment indicator for turning. This segmentation allows viewers to distinguish between different deceleration purposes through different visual signals, resolving the information loss problem while maintaining manageable system complexity
Solution Approach 2:
The brake deployment indicator is positioned at the front end of the vehicle body, distinct from the rear brake lights. This local differentiation in positioning and function allows the system to provide specific information about turning deceleration without requiring complete system redesign
2Reliability
If the brake deployment indicator activates only when turn indicator is activated and brake pedal is operated, then clear visual cues are provided for safe following distances, but the system requires coordination of multiple components
Solution Approach 1:
The brake deployment indicator uses feedback from both the turn indicator activation and brake pedal operation to determine when to activate. This feedback mechanism ensures the indicator only provides accurate information when both conditions are met, enhancing reliability while using existing sensor inputs
Solution Approach 2:
The control logic for the brake deployment indicator merges the signals from the turn indicator and brake pedal into a single coordinated response. This merging approach allows the system to provide accurate turning deceleration information without requiring separate complex control systems for each component
Data Source
AI summary
A vehicle for indicating to viewers in front of the vehicle when the vehicle is decelerating and about to make a turn includes a brake deployment indicator. The brake employment indicator is mounted to a front end of a body of the vehicle and activates when a brake pedal and a turn signal are both operated. The brake deployment indicator may include a light which is visually distinct from rear brake lights of the vehicle.