VR Navigation Seat Tilt Control for Motion Simulation
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Solution Overview
Problem
Current virtual-reality simulation systems fail to provide cost-effective and adequate motion simulation with fewer mechanical parts, leading to insufficient vestibular, proprioceptive, and somatosensory sensations, which results in simulator sickness and impracticality due to their large size and expense.
Innovation Solution
A virtual-reality navigation controller with a base, seating portion, and rotatable connector that tilts and rotates to simulate pitch and yaw motion, incorporating a motion-detection controller to measure and communicate these movements to a virtual-reality device, providing vestibular, proprioceptive, and somatosensory sensations while minimizing mechanical components and size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional motion simulation systems use extensive mechanical actuators to provide adequate motion simulation, then vestibular, proprioceptive, and somatosensory sensations are improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent extracts and eliminates unnecessary mechanical actuators from traditional motion simulation systems. By using a passive seating portion that tilts and rotates without active mechanical drives, the system removes complex mechanical components while maintaining adequate motion simulation through user-initiated movements and strategic placement of limited sensors.
Solution Approach 2:
The seating portion is designed to be self-servicing through user-initiated tilting and rotating movements. Instead of requiring external mechanical actuators to move the seat, the user's own movements drive the simulation, with minimal mechanical guidance structures and sensors providing the necessary feedback for virtual reality synchronization.
2Device complexity
If motion simulation systems are designed with fewer mechanical parts to reduce cost and complexity, then device complexity and cost are reduced, but vestibular, proprioceptive, and somatosensory sensations become insufficient
Solution Approach 1:
The seating portion serves multiple functions simultaneously: it provides structural support for the user, enables passive tilting and rotating movements for pitch and yaw simulation, and acts as a mounting structure for minimal mechanical guidance. This multi-functionality allows the system to achieve adequate motion simulation with fewer dedicated mechanical components.
Solution Approach 2:
The patent incorporates motion-detection controllers and sensors during the manufacturing process to precisely measure the seating portion's tilting and rotating movements. This preliminary measurement and calibration ensure that even with minimal mechanical components, the system can accurately capture user movements and synchronize them with virtual reality, maintaining simulation adequacy.
3Reliability
If traditional simulators are designed to provide accurate motion simulation, then motion simulation quality is improved, but size and cost increase making them impractical
Solution Approach 1:
The patent replaces extensive mechanical actuator systems with electronic sensing and software-based virtual reality synchronization. Motion-detection controllers measure the seating portion's movements, and this data is used to generate corresponding visual motion in the virtual environment, substituting mechanical complexity with electronic and software solutions while maintaining simulation quality.
Solution Approach 2:
The system changes the fundamental parameter of motion simulation from active mechanical generation to passive measurement and virtual replication. By measuring actual user-initiated movements with sensors and replicating them visually in virtual reality, the system achieves high-quality motion simulation without requiring complex mechanical actuation systems.
Data Source
AI summary
A virtual-reality navigation controller includes a base, a seat, a vertical support to support the seat on the base, and a rotatable connector between the seat and the vertical support to tilt the seat about a rotational center of the rotatable connector in response to directional forces exerted by a user seated on the seat. The virtual-reality navigation controller further includes a motion-detection controller to measure pitch corresponding to the tilt of the seat resulting from the directional forces.