Pneumatic Haptic Glove for Virtual Reality
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Solution Overview
Problem
Current haptic feedback technologies in virtual environments fail to provide realistic tactile sensations to users, particularly when interacting with virtual objects using their hands, as they lack precise and dynamic feedback mechanisms.
Innovation Solution
A haptic feedback device integrated into a wearable glove, utilizing a motor, camshaft, and bladder system controlled by a microcontroller, which receives signals from a computer system to actuate haptic sensors, providing tactile feedback through air or fluid displacement, simulating the sensation of touching virtual objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional haptic feedback technologies are used in virtual environments, then users can receive some tactile feedback, but the feedback lacks realism and precision when interacting with virtual objects
Solution Approach 1:
The patent employs a pneumatic system where a motor-driven camshaft compresses a bladder to generate air flow that inflates haptic sensors on the user's fingers. This pneumatic mechanism provides dynamic, realistic tactile feedback by simulating the sensation of touching virtual objects through controlled air pressure changes, directly resolving the contradiction between feedback precision and tactile realism.
2Adaptability or versatility
If a motor and camshaft system is integrated into the wearable glove, then dynamic haptic feedback is achieved, but the device complexity increases
Solution Approach 1:
The patent integrates multiple components (motor, camshaft, bladder, haptic sensors) into a single wearable glove unit. By merging these elements into one cohesive system that fits on the user's hand, the patent achieves dynamic haptic feedback adaptability while managing device complexity through compact integration rather than separate distributed components.
Solution Approach 2:
The patent employs a nested structure where the camshaft is positioned within the motor housing, the bladder is contained within a housing on the forearm, and haptic sensors are embedded in the glove fingers. This nesting arrangement reduces overall device complexity by efficiently packaging multiple functional elements in a compact, hierarchical manner.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to experience realistic haptic feedback by dynamically inflating and deflating haptic sensors in response to virtual interactions, enhancing the immersion and realism of virtual environments.
Implementation Method 1
the camshaft configured to compress the bladder
Implementation Method 2
compressing the bladder generates air flow to flow through tubing
Implementation Method 3
providing tactile feedback through air or fluid displacement
Data Source
AI summary
Disclosed is a haptic feedback device for converting virtual environment data into haptic feedback. Haptic feedback device can have a housing configured to receive a motor. The motor can be coupled to a camshaft and a main bladder disposed beneath the camshaft within the housing. The main bladder can be coupled to a valve controller via tubing and the valve controller can have a manifold and one or more valves. The one or more valves can be coupled to one or more haptic sensors via secondary tubing.