期刊
IEEE-ASME TRANSACTIONS ON MECHATRONICS
卷 26, 期 5, 页码 2495-2505出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMECH.2020.3041225
关键词
Actuators; Tactile sensors; Haptic interfaces; Electrodes; Couplings; Sensors; Sensor arrays; Dielectric elastomer actuator (DEA); haptic; tactile display; tactile sensor
类别
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2020R1A4A1018227]
- National Research Foundation of Korea [2020R1A4A1018227] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The article introduces a novel bidirectional haptic display, composed of a flexible tactile sensor and tactile actuator, responsive to touch signals. The tactile sensor measures normal forces and positions of touches to control corresponding tactile actuator cells. This device is capable of transferring different feelings to users by providing significant displacement and normal force.
Haptic display transfers the sense of touch by applying forces, vibrations, or motions to the user. This article presents a novel bidirectional haptic display responsive to touch. The device is composed of a flexible tactile sensor and tactile actuator, and the actuator is actuated according to the touch signals from the tactile sensor. The tactile sensor is a thin array of resistive type sensors that covers the top of the soft dielectric elastomer actuator array. The tactile sensor measures the normal forces (0-6 N) and positions of touches and then sends these signals to control the corresponding tactile actuator cells. The tactile actuator works within the frequency range of 0-300 Hz, provides up to 520 mu m of displacement and, 600 mN of normal force, much greater than the human hand threshold (50 mN). And thus, the device can transfer different feelings to users. In this research, we develop and evaluate a stand-alone bidirectional haptic display. Then, we took the psychophysical test and introduced the master-slave system whereby the master device controls the slave device depending on the master input.
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