Artificial Horizon Lighting to Reduce Motion Sickness
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Solution Overview
Problem
Motion sickness in enclosed spaces occurs due to conflicting visual and vestibular cues, with current systems inducing motion sickness while attempting to simulate motion effectively.
Innovation Solution
A system utilizing lighting cues to project an artificial horizon synchronized with vestibular sensing, employing multiple visual effect sources and a controller to adjust lighting effects based on orientation and acceleration, providing a visual cue to align with vestibular inputs and reduce motion sickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If visual effects are used to simulate motion in enclosed spaces, then the feeling of motion is effectively induced, but motion sickness is also induced
Solution Approach 1:
The system uses orientation sensors (accelerometers, gyroscopes) to detect actual vehicle motion and provides real-time feedback by adjusting the artificial horizon visual display to match the detected orientation. This closed-loop feedback ensures visual cues remain synchronized with vestibular sensations, preventing motion sickness while maintaining effective motion simulation.
Solution Approach 2:
The system dynamically changes visual display parameters (horizon angle, tilt, orientation) based on detected vehicle motion parameters. By continuously adjusting these visual parameters to match actual vehicle orientation and acceleration, the system maintains synchronization between visual and vestibular cues, resolving the contradiction between motion induction and motion sickness prevention.
2Measurement precision
If multiple visual effect sources are used to create a clear artificial horizon, then visual cue accuracy is improved, but device complexity increases
Solution Approach 1:
The visual display system is segmented into multiple independent visual effect sources (projectors, LED strips, or display panels) positioned at different locations within the enclosed space. Each source contributes to different portions of the artificial horizon display, allowing the system to create a comprehensive and accurate visual representation of the horizon while distributing the complexity across multiple simpler components.
Solution Approach 2:
The visual effect sources are designed to be multi-functional, capable of displaying various orientations and angles of the artificial horizon. The same hardware components can adapt to different vehicle orientations and motion states, reducing the need for specialized components for each function and thereby managing overall system complexity while maintaining visual cue accuracy.
Data Source
AI summary
A system for displaying an artificial horizon in an enclosed space. The system includes a first plurality of visual effect sources located in the enclosed space and configured to generate a first visual effect of the artificial horizon consistent with an orientation detected by an orientation sensor. The system further includes a second plurality of visual effect sources separate from the first plurality of visual effect sources and located in the enclosed space and configured to generate a second visual effect of the artificial horizon different from the first visual effect consistent with the orientation detected by the orientation sensor.