振動觸覺編碼的研究現狀

杜靜宜; 黃志奇; 陳東義; 雷濤瑋

doi:10.13374/j.issn2095-9389.2021.01.12.007

振動觸覺編碼的研究現狀

doi: 10.13374/j.issn2095-9389.2021.01.12.007

電子科技大學自動化工程學院，成都 610000

基金項目: 國家重點研發計劃資助項目（2017YFB1002803）

詳細信息

通訊作者:
Email：zhiqih@uestc.edu.cn

中圖分類號: TP242.61
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出版歷程
- 收稿日期: 2021-01-12
- 網絡出版日期: 2021-03-20
- 刊出日期: 2021-09-18

Current situation of vibration tactile coding

School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 610000, China

More Information

Corresponding author: Email: zhiqih@uestc.edu.cn

摘要

摘要: 觸覺作為人的一種獨特的感官通道具有獨特的優勢，它不僅能最大限度的貼合人體的生理構造，傳遞硬度、大小、紋理、形狀、溫度等視聽覺無法傳遞的信息，而且擁有快速準確的特性，觸覺不僅可以實現全方位的感知，而且能夠有效感知一些很難被視覺或聽覺形式表達的更真實復雜的信息，和外界環境進行一系列的交互。振動觸覺編碼的設計是開發觸覺的一個重要途徑，也是未來人機交互的一種重要手段。本文從振動觸覺感知機理入手，討論了不同振動參數的振動觸覺分辨率和振動信息編碼理論，并按照方向導航和文字交互的應用對振動信息編碼進行歸納總結，介紹了振動信息編碼的實驗手段和結論，最后展望了振動信息編碼領域未來的發展前景。
- 人體感知特性 /
- 觸覺語言 /
- 人機交互 /
- 振動觸覺 /
- 觸覺編碼
Abstract: In recent years, with the progress and development of science and technology, the research on artificial intelligence and wearable devices continues to develop, and researchers increasingly find ways to provide a kind of more comfortable and comprehensive user experience. Auditory and visual technologies have been fully developed and utilized, while as an emerging field, tactile sense is a research direction with great potential. As a type of unique human sensory channel, tactile sense has unique advantages. It can convey information about maximum joints in physiological structure of human body, such as hardness, texture, shape, size, and temperature, which cannot be transmitted by visual and auditory senses. Additionally, the tactile sense is fast and accurate, thus, it performs well in some special situations, such as supergravity scenarios, high-speed rotating scenarios, or very noisy environments. The design of vibrational tactile coding is an important way to develop tactile devices and achieve a better human computer interaction. Haptic coding has several defects. It is used in narrow application scenes and conveys unclear meaning. Compared with the mature development of vision and hearing, it is necessary to further design the vibration haptic coding patterns to overcome these defects. Research on information transmission of tactile sense is very meaningful, for example, it offers convenience for special groups such as people with visual impairment or workers engaged in their education. It provides a navigation service for visually impaired people by changing the vibration frequency and vibration intensity of a blind vest. When hearing or vision is impaired, the tactile sense is a considerate way to provide timely and accurate information assistance to the special groups. Besides, tactile sense can help express the flight attitude information in virtue of combined vibration tactile coding. However, these studies aimed at providing a set of specific coding for a specific scenario in which relatively vague pieces of information were conveyed, such as emotion and direction Based on these studies, designing a set of universal coding patterns for most usage scenarios to deliver exact and accessible information is essential. This paper discussed the resolution of tactile vibration based on the mechanism of tactile vibration perception. According to the application of directional navigation and text interaction, the vibration information coding was summarized and the experimental methods and conclusions of vibration information coding were introduced. Moreover, the prospect of the vibration information coding field was proposed.
- human perception property /
- tactile language /
- human-computer interaction /
- vibration tactile /
- tactile coding

HTML全文

圖 1 PRM模式示意圖

Figure 1. PRM pattern

下載: 全尺寸圖片幻燈片

圖 2 類莫爾斯碼、類布萊葉碼和三角碼的正確率^[17]

Figure 2. Accuracy of Braile-like, More-like, and Triangle^[17]

下載: 全尺寸圖片幻燈片

圖 3 類莫爾斯碼、類布萊葉碼和三角碼的反應時^[17]

Figure 3. Reaction time of Braile-like, More-like, and Triangle^[17]

下載: 全尺寸圖片幻燈片

圖 4 腹腔鏡抓握器裝置

Figure 4. Laparoscopic grippers

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圖 5 觸覺筆刷算法表達裝置

Figure 5. Tactile apparatus

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圖 6 觸覺反饋示例

Figure 6. Application: in-game footage and sensations

下載: 全尺寸圖片幻燈片

表 1 四種觸覺感受器的特性

Table 1. Characteristics of four tactile receptors

Receptor	Signal type	Perceived frequency/Hz	Perceived distance/mm	Pattern	Acception field size
Ruffini	Deep skin	0?30	3?4	Fast	Large
Merkel	Continuous touch and pressure	0?15	>10	Low	Small
Meissner	Texture change	50	3?4	Fast	Small
Pacinian	High-frequency vibration	200?300	>20	Low	Large

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