HMD Simulation System Synchronizing Real Movement with Virtual Feedback
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Solution Overview
Problem
Current simulation systems using wearable image display devices, such as head-mounted displays, fail to synchronize the user's state in virtual space with their movement and state in real space, leading to a lack of realism in simulated experiences, especially for dangerous or difficult-to-experience environments.
Innovation Solution
A simulation system that includes a detection device to track the user's state, an image generation device to create synchronized virtual three-dimensional space images, and a display control device to show these images on a wearable image display device, along with effect units like temperature control and vibration devices to enhance the realism of the experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wearable image display device masks each eye of the user to display images of virtual three-dimensional space, then the immersiveness of the virtual environment is improved, but the user cannot perceive their real-world surroundings and movement state
Solution Approach 1:
The system uses detection devices (cameras, sensors) to continuously monitor the user's real-world movement state and provides feedback by synchronizing this information with the virtual environment displayed on the HMD. The image generation device creates simulation images that reflect the user's actual movements, creating a closed-loop feedback system that maintains spatial awareness while immersed in virtual space.
Solution Approach 2:
The detection device and image generation device act as intermediaries between the user's real-world actions and the virtual environment. These components capture real-world movement data and translate it into corresponding virtual space representations, mediating the interaction between physical and virtual domains.
2Device complexity
If the simulation system displays predetermined images on the HMD without synchronizing with user state, then the device complexity is reduced, but the realism of the simulated experience deteriorates
Solution Approach 1:
The system transitions from static predetermined images to dynamic simulation images that automatically adjust based on user movement state. The image generation device continuously generates updated virtual environments synchronized with real-time detection data, making the simulation adaptive and responsive without requiring complex manual configuration.
Solution Approach 2:
The system uses the user's own movement data to automatically generate appropriate simulation images. The detection device captures the user's state, and the image generation device self-adjusts the virtual environment based on this information, eliminating the need for external configuration or intervention.
3Reliability
If detection devices and image generation processes are added to synchronize user state with virtual environment, then the realism of the simulation is improved, but the device complexity increases
Solution Approach 1:
The HMD serves multiple functions: it displays virtual images, houses detection devices for capturing user state, and integrates the image generation process. This multi-functionality reduces the need for separate dedicated components for each function, thereby managing complexity while achieving synchronization.
4Adaptability or versatility
If the HMD completely masks the user's eyes to provide immersive virtual experience, then the virtual environment visualization is improved, but the user's safety and awareness of real-world hazards deteriorates
Solution Approach 1:
The detection device continuously monitors the user's position and movement state in real space and provides feedback to the image generation device. This allows the system to maintain awareness of the user's real-world context even while fully immersed in virtual space, enabling safety monitoring and hazard prevention.
Data Source
AI summary
A game system 1 is configured to detect a player's state (i.e., the position and the attitude of the player in the real space) that represents the state of the player P in the real space, perform an image generation process that generates a simulation image corresponding to the detected player's state, the simulation image being viewed from the player P and representing the simulation space that corresponds to the real space, the simulation image including a virtual moving path that is linked to a moving path R, display the generated simulation image on the HMD 20, determine that the player P is in a specific state in the simulation space when the player's state has satisfied a given condition within the moving path R, and generate a simulation image that produces an effect based on the specific state when it has been determined that the player P is in the specific state.