Vehicle User Interface Acceleration Correction
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Solution Overview
Problem
Existing user interfaces in vehicles require significant driver attention and are prone to errors due to external interference and vibrations, which can cause unintentional relative movements between the operator unit and control element, leading to faulty operations.
Innovation Solution
A method and device that detect manual operator actions and associated accelerations to correct the operator position, using a control unit linked to an approach-detection device and acceleration sensors, allowing for the generation of control signals that account for external interference, thereby minimizing errors and maintaining minimal driver distraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the operator unit is mounted in a moving vehicle, then the user interface can be operated in a real-world environment, but vibrations and accelerations cause unintentional relative movements leading to faulty operations
Solution Approach 1:
The system continuously detects acceleration via acceleration sensors and uses this feedback to dynamically correct the operator position. The control unit calculates corrections based on detected acceleration and applies them to the determined operator position, creating a closed-loop system that compensates for vibrations and movements in real-time
Solution Approach 2:
The system changes the reference frame by detecting acceleration parameters and using these to calculate position corrections. By monitoring acceleration parameters and adjusting the operator position accordingly, the system adapts to changing environmental conditions while maintaining input accuracy
2Ease of operation
If the driver operates the user interface during driving, then control functions can be accessed, but driver attention is distracted and operator errors increase
Solution Approach 1:
The system performs self-correction by automatically detecting acceleration and calculating position adjustments without requiring additional user input. The control unit autonomously compensates for movement artifacts, allowing the driver to operate the interface with minimal attention while maintaining high accuracy
3Measurement precision
If acceleration sensors and correction calculations are added, then input accuracy improves, but device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it detects operator actions via the approach-detection device, processes acceleration data from sensors, calculates position corrections, and generates control signals. By making the control unit multi-functional, the system achieves high measurement precision without proportionally increasing overall device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces the risk of erroneous inputs by accurately determining the user's intended input, providing immediate visual feedback and ensuring accurate operation even in environments with vibrations, thus enhancing user interface interaction in vehicles.
Implementation Method 1
an acceleration sensor arranged to detect an acceleration of at least one reference system associated with the control element or the operator unit during the manual operator action
Data Source
AI summary
A method and device for providing a user interface includes an operator unit having multiple operator positions, in particular in a vehicle. In the method, a manual operator action for the operator unit, executed by a control element, is detected, and during the manual operator action an acceleration of at least one reference system associated with the control element or the operator unit is detected. Through the manual operator action, an input for a certain operating position is detected, the detected acceleration is used to calculate a correction for the detected operator position, and a control signal associated with the corrected operator position is generated.