Vehicle VR Motion Synchronization to Reduce Passenger Motion Sickness
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Solution Overview
Problem
Conventional virtual reality systems in moving vehicles often cause motion sickness in passengers due to mismatched visual and vestibular cues, particularly in rear-facing seats or vehicles with limited windows, where the lack of a forward view exacerbates the issue.
Innovation Solution
A VR system that integrates vehicle motion data with virtual content projection, using head-mounted displays or window projections to provide synchronized visual and physical effects, such as accelerated or decelerated visual cues, and physical sensations like wind or seat movements, to match the passenger's experience, thereby reducing motion sickness and enhancing immersion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional virtual reality systems are used in moving vehicles, then immersive virtual experiences can be provided to passengers, but motion sickness occurs due to mismatched visual and vestibular cues
Solution Approach 1:
The system continuously receives vehicle motion data from sensors (accelerometers, gyroscopes, GPS) and uses this feedback to dynamically adjust the virtual content displayed to the passenger. The virtual environment is synchronized with actual vehicle movements, ensuring that visual cues match vestibular sensations and preventing motion sickness while maintaining immersive experience
Solution Approach 2:
The system modifies parameters of the virtual environment based on vehicle motion data, including adjusting visual flow speed, acceleration rates, and motion dynamics in the virtual scene to match the actual vehicle's movement parameters. This parameter synchronization ensures consistency between the virtual and physical environments
2Object-affected harmful factors
If visual cues are accelerated or decelerated to match vehicle motion, then motion sickness is reduced, but the complexity of the VR system increases
Solution Approach 1:
The system combines multiple vehicle sensors (accelerometers, gyroscopes, GPS) and the VR content delivery system into an integrated platform. By merging these components and sharing processing resources, the system reduces overall complexity while achieving the required motion synchronization to prevent motion sickness
Data Source
AI summary
A VR system for vehicles that may implement methods that address problems with vehicles in motion that may result in motion sickness for passengers. The VR system may provide virtual views that match visual cues with the physical motions that a passenger experiences. The VR system may provide immersive VR experiences by replacing the view of the real world with virtual environments. Active vehicle systems and/or vehicle control systems may be integrated with the VR system to provide physical effects with the virtual experiences. The virtual environments may be altered to accommodate a passenger upon determining that the passenger is prone to or is exhibiting signs of motion sickness.