Vehicle Touch Screen Parameter Adjustment with Audio Feedback
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Solution Overview
Problem
Touch screens in vehicle cockpits lack tactile feedback, forcing drivers to visually monitor parameter adjustments, increasing distraction and safety risks while driving.
Innovation Solution
A method and system that determine an initial touch position, movement trajectory, and final disengagement position on a vehicle touch screen to adjust parameters, using angle calculations and voice feedback to facilitate parameter adjustments without continuous visual attention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If touch screens are used to replace physical controls, then adaptability and flexibility of control interface are improved, but tactile feedback is lost requiring visual monitoring which increases driving distraction
Solution Approach 1:
The patent implements audio feedback through voice synthesis to provide tactile-like feedback for touch screen operations. When a driver touches the screen to adjust parameters, the system verbally announces the adjustment results, allowing the driver to receive feedback without visual monitoring, thus resolving the contradiction between touch screen flexibility and tactile feedback availability
Solution Approach 2:
The patent introduces audio output as an intermediary between the touch screen interface and the driver. Instead of direct tactile feedback from physical controls, the system uses audio signals as a mediator to convey control status and adjustment results, enabling touch screen operation without visual attention
2Area of stationary object
If touch screens are used instead of physical controls, then cockpit space utilization is improved, but visual attention requirement increases reducing driving safety
Solution Approach 1:
The system provides real-time audio feedback that verbally announces parameter adjustments and control status, allowing drivers to confirm operations through hearing rather than sight, thereby reducing visual distraction and driving risk while maintaining touch screen space efficiency
Solution Approach 2:
The patent replaces the visual feedback mechanism with audio feedback. Instead of requiring drivers to visually monitor the touch screen to confirm adjustments, the system substitutes visual information with auditory information through voice synthesis, reducing the harmful effect of visual distraction
3Measurement precision
If parameter adjustment requires visual monitoring of touch screen, then measurement precision of adjustment action is improved, but driving safety deteriorates due to increased visual distraction
Solution Approach 1:
The system uses audio feedback to convey parameter adjustment results with sufficient precision for driving conditions. Voice synthesis announces the adjusted values clearly, providing accurate measurement information through auditory channel, allowing drivers to maintain both adjustment precision and driving safety simultaneously
Data Source
AI summary
Methods and systems are provided for adjusting parameters using a vehicle touch screen. In one embodiment, a method includes determining an initial touch position of an external touch operation when the external touch operation is detected. A movement trajectory and final disengagement position of the external touch operation may then be detected. The movement trajectory need not be limited to an area covered by a parameter adjustment control. The parameter adjustment control may then be adjusted to a final parameter value according to the initial touch position, the final disengagement position, and the movement trajectory.