VR Cockpit Replica With Low-Latency Pose and Haptic Sync
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Solution Overview
Problem
Conventional VR cockpit simulators face challenges in achieving millimeter-level pose tracking accuracy and low system latency, especially on moving platforms, necessitating improved synchronization of haptic and visual feedback for realistic pilot training.
Innovation Solution
A VR cockpit replication system using pose tracking sensors to capture user body position and movement data, integrating it with HMD devices for accurate 3D reconstruction and synchronized haptic feedback, ensuring millimeter-level accuracy and low latency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional VR cockpit simulators are used, then visual display is provided, but pose tracking accuracy and system latency are insufficient
Solution Approach 1:
The patent combines multiple pose tracking sensors (cameras, depth sensors, IMUs) into an integrated tracking system that simultaneously captures multiple data types. This merging of sensing modalities enables millimeter-level accuracy while maintaining low latency through coordinated multi-sensor operation and unified data processing pipelines.
Solution Approach 2:
The patent replaces conventional mechanical tracking systems with optical and electromagnetic sensing systems. Pose tracking sensors using cameras, depth sensing, and inertial measurement substitute for mechanical encoders and resolvers, enabling non-contact measurement that achieves higher precision and lower latency without mechanical wear or friction delays.
2Manufacturing precision
If detailed control panels and instrumentation are displayed in VR, then visual realism is improved, but accuracy of tiny keys and dials construction becomes difficult
Solution Approach 1:
The patent creates high-fidelity digital copies of physical cockpit instruments by scanning and replicating their exact geometries, textures, and spatial relationships. These digital twins preserve millimeter-level detail of keys, dials, and switches without requiring manual modeling, achieving manufacturing precision through replication rather than reconstruction.
Solution Approach 2:
The patent transforms physical instrument parameters into digital representations by capturing geometric parameters, material properties, and spatial configurations. This parameter transformation enables accurate digital construction of complex instrumentation by converting physical measurements into virtual model attributes that preserve all necessary details.
3Reliability
If haptic feedback is added to VR simulation, then realism is improved, but synchronization accuracy between haptic and visual feedback becomes challenging
Solution Approach 1:
The patent implements a closed-loop feedback system where pose tracking sensors continuously monitor user interactions with physical controls, and this data is fed back to synchronize haptic actuation with visual display updates. This real-time feedback mechanism ensures that haptic, visual, and positional information remain synchronized within millisecond tolerances, maintaining reliability without sacrificing response time.
4Measurement precision
If millimeter-level pose tracking accuracy is achieved, then user position portrayal is improved, but system complexity and calibration requirements increase
Solution Approach 1:
The patent designs pose tracking sensors and processing systems that serve multiple functions: they track head position, hand position, body orientation, and interaction forces simultaneously. This multi-functionality reduces overall system complexity by using a unified tracking infrastructure rather than separate systems for each measurement type, while maintaining millimeter-level accuracy across all degrees of freedom.
Data Source
AI summary
VR cockpit replication includes sensing a physical position of a user in a flight simulator with at least one pose tracking sensor. The flight simulator has a physical replication of a cockpit with interactable hardware. The sensed physical position of the user is displayed in a virtual replication of the cockpit using a head-mounted display (HMD) device wearable by the user in the flight simulator. The VR cockpit replication may provide synchronization of haptic and visual feedback between a physical interaction of the user and the interactable hardware with the sensed physical position of the user displayed in the virtual replication of the cockpit.