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Video s3
    Details
    Presenter(s)
    Chitra R Headshot
    Display Name
    Chitra R
    Affiliation
    Affiliation
    IIITMK, Digital University Kerala, Kerala University of Digital Sciences, Innovation and Technology
    Country
    Author(s)
    Display Name
    Chitra R
    Affiliation
    Affiliation
    IIITMK, Digital University Kerala, Kerala University of Digital Sciences, Innovation and Technology
    Display Name
    Aswani A.R
    Affiliation
    Affiliation
    Digital University Kerala
    Display Name
    Alex James
    Affiliation
    Affiliation
    Indian Institute of Information Technology and Management-Kerala
    Abstract

    The first stage of tactile sensing is data acquisition using tactile sensors and the sensed data is transmitted to the central unit for neuromorphic computing. The memristive crossbars were proposed to use as synapses in neuromorphic computing but device intelligence at the sensor level are not investigated in literature. We propose the concept of Transistor Memristor Sensor (TMS)-crossbar by including sensor to memristor crossbar array configuration in the input layer of the neural network architecture. 2 possible cell configurations of TMS crossbar arrays: 1 Transistor 1 Memristor 1 Sensor (1T1M1S) and 2 Transistor 1 Memristor 1 Sensor (2T1M1S) are presented. We verified the proposed TMS-crossbar in the practical design of analog neural networks based Braille character recognition system. The proposed design is verified with SPICE simulations using circuit equivalent of FLX-A501 force sensor, TiO2 memristors and low power 22nm high-k CMOS transistors. The proposed analog neuromorphic computing system presents a scalable solution and is possible to encode 125 symbols with good accuracy in comparison with other Braille character recognition systems in the literature.

    Slides
    • TMS-Crossbars with Tactile Sensing (application/pdf)