Haptics Panel Support Structure for Low-Frequency Resonance
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Solution Overview
Problem
Existing haptics devices with large mass and size face challenges in meeting both rigid support and haptics design requirements, as traditional supporting structures struggle to achieve sufficient amplitude and acceleration while maintaining structural stability.
Innovation Solution
A haptics panel design with a supporting structure that includes a haptics substrate, a supporting substrate, and an exciter, where the structural parameters of the supporting structure are optimized to ensure a resonance frequency within 100 Hz to 300 Hz and resist static and dynamic loads, using a supporting beam with specific elastic modulus, moment of inertia, and height adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional supporting structures are used in haptics devices with large mass and size, then structural stability is maintained, but sufficient amplitude and acceleration cannot be achieved
Solution Approach 1:
The patent applies parameter changes by optimizing the structural parameters of the supporting structure, specifically adjusting the elastic modulus, moment of inertia, and height of the supporting beam. These parameter modifications enable the structure to achieve both stability and sufficient amplitude/acceleration performance that traditional designs cannot provide
Solution Approach 2:
The patent introduces dynamic characteristics by ensuring the resonance frequency of the haptics substrate is within 100 Hz to 300 Hz, allowing the structure to dynamically respond to excitation forces. This dynamic design enables the supporting structure to maintain stability while achieving sufficient amplitude and acceleration through resonant vibration
2Reliability
If the resonance frequency is adjusted within 100 Hz to 300 Hz, then haptics effect is enhanced, but structural integrity under load may be compromised
Solution Approach 1:
The patent uses parameter changes to simultaneously achieve the desired resonance frequency range and maintain structural integrity. By precisely controlling the elastic modulus, moment of inertia, and height parameters of the supporting beam, the structure can resonate at 100-300 Hz while still withstanding static and dynamic loads without buckling
Solution Approach 2:
The patent employs composite material characteristics by combining the supporting beam structure with the haptics substrate and supporting substrate. This composite arrangement allows different parts of the system to serve different functions: the supporting beam provides structural support with controlled resonance, while the haptics substrate provides the tactile surface, achieving both haptics effect and structural integrity
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
The design achieves effective haptics effects by ensuring resonance within the human-sensitive frequency range and maintaining structural integrity under various loads, meeting both rigid support and haptics design requirements.
Implementation Method 1
structural parameters of the at least one supporting structure satisfy: a resonance frequency of the haptics substrate is within a preset range
Implementation Method 2
the at least one supporting structure does not buckle under an action of static load and dynamic load
Data Source
AI summary
Disclosed in the embodiments of the present disclosure are a haptics panel and a haptics apparatus. By means of rationally designing structural parameters of a supporting structure, the resonance frequency of a haptics substrate is within 100 Hz-300 Hz, such that the haptics effect of the haptics panel based on vibration excited by an exciter in a low-frequency range can be effectively improved by means of using the resonance frequency of the haptics substrate; moreover, by means of rationally designing the structural parameters of the supporting structure and also preventing the supporting structure from buckling under the action of static and dynamic loads, the haptics panel can meet the requirements of a haptic design for a vibration amplitude and an acceleration under the condition that the haptics panel meets a rigid design.