Recommended Paper: Research on a Tactile Display Drive System Based on SPI Communication and Piezoelectric Driver IC

ISSN: 2959-913X (Print)

ISSN: 2959-9148 (Online)

New Article

A study on a tactile display drive system using SPI communication and a piezoelectric driver IC

Junyun Zheng¹, Yuya Otahara¹ and Junji Sone^2,*

¹Graduate School of Engineering, Tokyo Polytechnic University, Atsugi, Kanagawa, Japan

²Faculty of Engineering, Tokyo Polytechnic University, Atsugi, Kanagawa, Japan

Citation: Zheng J, Otahara Y, Sone J. A study on a tactile display drive system using SPI communication and a piezoelectric driver IC. Electron. Signal Process. 2025(1):0001, https://doi.org/10.55092/esp20250001.

DOI: 10.55092/esp20250001

Abstract: Tactile technology is becoming increasingly important due to robotics applications and the use of the metaverse. However, there is little research on tactile technologies that can provide information on two-point discrimination thresholds at the human sensory level, and practical application has not progressed. This is due to the fact that the devices are complex and cannot be compactly mounted in key locations such as fingertips. This research aims to develop thin, flexible piezoelectric resin devices and put them into practical use. Here, it is important to miniaturize the drive circuits that drive such piezoelectric devices, so we developed a drive system that uses a piezoelectric driver IC that utilizes serial communication, and is capable of generating a wide range of tactile sensations, including multi-tone gradations.

Keywords: tactile display; drive system; SPI communication; piezoelectric driver IC; two-point discrimination; flexible piezoelectric resin device

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Pennsylvania State University, USA

Research focuses on the design, manufacturing, and application of autonomous stretching device platforms. Over 170 papers published, with total citations exceeding 23,000 on Google Scholar, and recipient of multiple international honors including Clarivate Highly Cited Scientist (2023, 2024), MIT Technology Review Innovators Under 35 (2021), and Forbes 30 Under 30 Scientists (2017).

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National Technical University of Athens, Greece

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