Vehicle Touch Display Lockout During Mechanical Controller Use
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Solution Overview
Problem
Modern transportation vehicles face issues with inadvertent operation of peripheral devices due to shared touch displays and mechanically adjustable controllers, leading to distractions and safety concerns, as drivers often operate these devices without direct visual attention, resulting in unintentional adjustments.
Innovation Solution
A method that temporarily deactivates the touch display when a mechanically adjustable controller is operated, with automatic reactivation after a predefinable delay, preventing inadvertent changes and allowing for software updates to retrofit existing systems, thus avoiding the need for costly resistive touch displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a shared touch display is used to operate peripheral devices, then the user interface can be integrated and space-efficient, but inadvertent operation occurs when mechanically adjustable controllers are used nearby
Solution Approach 1:
The system applies preliminary anti-action by detecting when a mechanically adjustable controller is being operated and proactively blocking input signals to the touch display. This prevents inadvertent touches on the touch display that would otherwise occur during controller operation, eliminating the conflicting input problem before it can cause erroneous device activation.
Solution Approach 2:
The control unit acts as an intermediary between the touch display and peripheral devices. It receives input signals from both the touch display and mechanically adjustable controllers, determines whether they are conflicting inputs, and selectively blocks or processes these signals. This mediator approach resolves the contradiction by intelligently managing input from multiple sources without requiring physical separation.
2Reliability
If the touch display is blocked during controller operation, then inadvertent adjustments are prevented, but operation time is lost due to blocking legitimate inputs
Solution Approach 1:
The system applies dynamics by making the touch display blocking state temporary and conditional rather than permanent. The control unit blocks the touch display only for the duration of detected controller operation, then automatically reactivates it. This dynamic approach prevents inadvertent adjustments during critical controller use while minimizing time loss by restoring full functionality immediately after controller operation ends.
3Ease of operation
If mechanically adjustable controllers are positioned near the touch display for ease of use, then accessibility is improved, but inadvertent touching of the touch display increases
Solution Approach 1:
The system applies preliminary anti-action by detecting when a mechanically adjustable controller is being operated and proactively blocking input signals to the touch display. This prevents inadvertent touches on the touch display that would otherwise occur during controller operation, eliminating the conflicting input problem before it can cause erroneous device activation.
Solution Approach 2:
The control unit acts as an intermediary between the touch display and peripheral devices. It receives input signals from both the touch display and mechanically adjustable controllers, determines whether they are conflicting inputs, and selectively blocks or processes these signals. This mediator approach resolves the contradiction by intelligently managing input from multiple sources without requiring physical separation.
Data Source
AI summary
A method for providing a user interface of a transportation vehicle, wherein the user interface has at least one mechanically adjustable controller and a touch display and operates peripheral devices of the transportation vehicle. A user interface of a transportation vehicle for performing the method for operating the at least one mechanically adjustable controller to bring about temporary deactivation of the touch display so that operation of peripheral devices by the touch display is temporarily blocked during the operation of the mechanically adjustable controller.