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Sensors 2018, 18(5), 1631; https://doi.org/10.3390/s18051631

Hysteresis Compensation in a Tactile Device for Arterial Pulse Reproduction

LAETA—INEGI, Associated Laboratory for Energy, Transports and Aeronautics—Institute of Science and Innovation in Mechanical and Industrial Engineering, University of Porto, 4200-465 Porto, Portugal
Current Address: Rua Dr. Roberto Frias, 400 Porto, Portugal.
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Received: 6 April 2018 / Revised: 14 May 2018 / Accepted: 15 May 2018 / Published: 19 May 2018
(This article belongs to the Section Physical Sensors)
Full-Text   |   PDF [4391 KB, uploaded 19 May 2018]   |  

Abstract

This paper describes a system for training healthcare practitioners in the identification of different arterial pulses. The driving system uses a linear solenoid in an open loop force control. Due to the large hysteresis it exhibited, a form of compensation was implemented, based on the classic Preisach model of hysteresis. Implementation of said model resulted in a significant reduction of force tracking error, demonstrating the feasibility of the chosen approach for the intended application. View Full-Text
Keywords: hysteresis compensation; preisach model; feedforward controller; palpation simulation; tactile interface hysteresis compensation; preisach model; feedforward controller; palpation simulation; tactile interface
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Carneiro, F.; Abreu, P.; Restivo, M.T. Hysteresis Compensation in a Tactile Device for Arterial Pulse Reproduction. Sensors 2018, 18, 1631.

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