Object softness reproduction method based on finger-cot type force touch interaction device

An interactive device and fingertip technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of low control precision, few softness reproduction methods for mobile terminals, etc., and achieve complex algorithms. small effect

Active Publication Date: 2015-12-09
SOUTHEAST UNIV
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AI Technical Summary

Problems solved by technology

This method has simple equipment and high stability, but the control accuracy is relatively low
[0004] In the current study of softness expression, there are few softness reproduction methods for mobile terminals

Method used

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  • Object softness reproduction method based on finger-cot type force touch interaction device
  • Object softness reproduction method based on finger-cot type force touch interaction device
  • Object softness reproduction method based on finger-cot type force touch interaction device

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0027] like figure 1 As shown, the present invention utilizes a fingertip type force-tactile interaction device, which is equipped with a miniature pressure sensor and a 3x3 dot matrix piezoelectric actuator. refer to figure 2 , the basic steps of the object softness reproduction method based on the fingertip haptic interaction device of the present invention: wearing the fingertip haptic interaction device to press the virtual object in the mobile terminal, according to the change of the active pressing force of the human hand and the softness of the virtual object Different, the fingertip piezoelectric actuator will generate vibration stimulation with different vibration amplitudes and vibration rhythms, thereby simulating the tactile sensation in the real environment.

[0028] Taking virtual objects with stiffness coefficients of 0.57N / mm a...

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Abstract

The invention discloses an object softness reproduction method based on a finger-cot type force touch interaction device. The method is characterized in that the finger-cot type force touch interaction device combining a pressure sensor and a piezo-electric actuator is utilized for controlling a 3*3 dot-matrix piezo-electric actuator on a finger-cot to generate vibration stimulus related to driving pressing force of the hands and hardness of a virtual object to simulate the hardness of the object. Vibration amplitude and vibration rhythms of the piezo-electric actuator are adjustable, the vibration amplitude is related to the driving pressing force of the hands, acting force in the driving pressing process of the hands is simulated, the vibration rhythms are related to rigidity coefficients of the virtual object, and the hardness characteristic of the object is reflected.

Description

technical field [0001] The invention belongs to the field of haptic modeling, and in particular relates to a method for reproducing object softness based on a fingertip type haptic interaction device applied to a mobile terminal. Background technique [0002] Mobile terminal, as a rapidly developing personal computing and communication device, has entered the stage of intelligent development this year, and people's demand for its intelligence is also increasing with the increasing importance of it in daily life. However, looking at the current mobile terminal equipment, the functions of its human-computer interaction interface are mainly focused on audio-visual aspects, and the force-tactile functions that can be provided are very limited. As an emerging human-computer interaction technology, haptic reproduction and interaction technology enables operators to touch, perceive and manipulate virtual objects. Applying force-tactile reproduction and interaction technology to mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0481G06F3/0484G06F3/0488
Inventor 吴涓龚逸李娜邓鹏宋爱国
Owner SOUTHEAST UNIV
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