Measurement of human response to tactile temperature sensing using stochastic system identification |
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Authors: | T. EusnerM. Cullinan C. RuggieroN. Zarrouati A. Chepko |
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Affiliation: | a Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States b Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA 02139, United States |
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Abstract: | Tactile response is limited for many operations that are preformed in extreme environments due to bulky equipment or the limitations of the human body. In order to allow a user in extreme environments to regain some of their temperature-tactile response, a glove was developed that converts temperature into a vibration felt by the user. An RTD was attached to the glove and connected to a microcontroller. This microcontroller converted temperature into a voltage and transmitted it to a micromotor that controlled the vibration felt by the user. Through this scheme, the user was able to identify a temperature increase with a 4 s delay. This paper also presents the system response of the glove to a temperature impulse. Using this system transfer function, it is possible to make improvements to the glove to reduce the overall delay between the glove sensing a temperature and the user recognizing the temperature change. |
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Keywords: | Stochastic system identification Tactile sensing Vibratory signals Human transfer function |
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