Haptic Platform Motion Mediation for Immersive Simulations
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Solution Overview
Problem
Conventional haptic systems are primitive in hardware and software, provide limited use cases, lack integration with various applications and hardware, and do not offer high levels of immersion, motion tracking is error-prone, and powerful use cases remain unrealized.
Innovation Solution
A haptic platform and ecosystem that includes reusable components for rapid prototyping, integrating haptic interfaces with applications, and providing high-immersion simulations through haptic feedback, motion capture, and telerobotic control, utilizing haptic gloves, exoskeletons, and whole-body systems with advanced actuators and sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional haptic systems are used, then device complexity is reduced, but immersion level and realism of touch simulation deteriorate
Solution Approach 1:
The haptic system is divided into multiple independent haptic actuators distributed across the user interface, each capable of providing localized haptic feedback. This segmentation allows the system to achieve high immersion levels through coordinated activation of multiple actuators while maintaining manageable device complexity through modular architecture.
Solution Approach 2:
The haptic platform is designed as a universal system that can be integrated with various applications and hardware configurations. The system provides multi-functional capabilities including touch simulation, force feedback, and motion tracking integration, enabling high immersion across different use cases without requiring separate specialized systems for each application.
2Measurement precision
If primitive motion tracking techniques are used, then device complexity is reduced, but measurement precision and reliability deteriorate
Solution Approach 1:
The motion tracking system combines multiple sensing modalities including inertial measurement units, optical tracking, and magnetic field sensing into an integrated tracking subsystem. This merging of different tracking technologies achieves high measurement precision through sensor fusion while managing device complexity through unified processing architecture.
Solution Approach 2:
The system implements real-time feedback loops that continuously monitor motion tracking data and adjust haptic actuator responses accordingly. This feedback mechanism enhances measurement precision by compensating for tracking errors and maintaining accurate correspondence between virtual object interactions and physical haptic feedback.
3Adaptability or versatility
If haptic interfaces are not integrated with applications, then ease of operation is improved, but adaptability and versatility deteriorate
Solution Approach 1:
The haptic platform is designed as a universal interface that can be integrated with various applications through standardized communication protocols and APIs. The system provides adaptable functionality that works across different application types including virtual reality, augmented reality, and simulation environments without requiring application-specific customizations.
Solution Approach 2:
The system introduces a haptic middleware layer that acts as an intermediary between applications and haptic actuators. This mediator handles the complexity of integration by providing standardized interfaces and translation layers, thereby improving adaptability while maintaining ease of operation for application developers.
Data Source
AI summary
A device may receive, by a haptic interface module that is configured to interact with one or more haptic interface devices and an application that generates a computer-mediated environment comprising an avatar corresponding to a user wearing the one or more haptic interface devices, respective sensor data for each respective haptic interface device, wherein the respective sensor data for a respective haptic interface device indicates respective positioning of respective sensors of the respective wearable haptic interface. A device may process, by the haptic interface module, the respective sensor data to generate respective relative location data for each respective haptic interface device, wherein the relative location data is relative to a reference location defined with respect to the corresponding wearable haptic interface. A device may receive, by the haptic interface module, tracked location data from one or more motion tracking sensors, wherein the tracked location data indicates respective locations of the one or more haptic interface devices relative to a spatial environment of the user. A device may generate, by the haptic interface module, a series of motion capture frames based on the tracked location data and the respective relative location data for each respective haptic interface device, wherein each respective motion capture frame indicates a set of locations and orientations for each respective haptic interface device at a given time. A device may generate, by the haptic interface module, a series of kinematic frames based on the series of motion capture frames and one or more mediation processes that collectively convert, for each of the motion capture frames, the set of locations and orientations of the one or more respective haptic interface devices into a set of intended locations and intended orientations for configuring the avatar in the computer-mediated environment. A device may output the series of kinematic frames to the application, wherein the kinematic frames are provided to the application as user input.