Tactile Actuator Layout Using Elastic Deformation for Rich Haptics
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Solution Overview
Problem
Existing tactile presentation devices are large and limited in their ability to present a wide variety of tactile sensations, necessitating a compact and versatile design.
Innovation Solution
A tactile presentation apparatus featuring a movable member supported by elastic portions and drive units that elastically deform, allowing the member to move and simulate various tactile sensations through controlled deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional actuators with coupling bases and elastic members are used to reduce force requirements, then the drive apparatus becomes more compact, but the ability to present a wide variety of tactile senses is limited
Solution Approach 1:
The apparatus divides the tactile presentation function into multiple independent drive units, each capable of generating different tactile patterns. By segmenting the drive system into multiple units that can operate independently, the apparatus achieves both compactness and versatility in presenting various tactile senses simultaneously.
Solution Approach 2:
Each drive unit is designed to perform multiple functions by generating different vibration patterns and tactile sensations through controlled movement of the movable member. This multi-functionality allows a single compact apparatus to present a wide variety of tactile senses without requiring separate specialized devices for each tactile effect.
2Adaptability or versatility
If multiple drive units are added to present various tactile senses, then the variety of tactile sensations increases, but the device complexity increases
Solution Approach 1:
Multiple drive units are merged into a single integrated apparatus that shares common components such as the movable member, elastic portion, and control system. By combining these elements into one unified structure, the apparatus achieves high versatility in presenting tactile senses while minimizing the increase in overall device complexity through shared infrastructure.
Solution Approach 2:
The apparatus employs dynamic control of the drive units, where the control unit dynamically adjusts the operation of individual drive units based on the desired tactile sensation. This dynamic control allows the system to achieve various tactile patterns through coordinated movement of the movable member, reducing the need for physically complex structures while maintaining high versatility.
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 apparatus achieves a compact design capable of presenting a wide range of tactile sensations by efficiently using elastic deformation and controlled movement of the movable member, enhancing user experience.
Implementation Method 1
The elastic portion supports the movable member. The at least one drive unit is connected to the movable member, moves the movable member so that the elastic portion is elastically deformed
Data Source
AI summary
A tactile presentation apparatus according to an embodiment of the present technology includes a movable member, an elastic portion, and at least one drive unit. The elastic portion supports the movable member. The at least one drive unit is connected to the movable member, moves the movable member so as to elastically deform the elastic portion, and is capable of keeping the elastic portion elastically deformed.