Hysteresis Compensation in a Tactile Device for Arterial Pulse Reproduction

Sensors (Basel). 2018 May 19;18(5):1631. doi: 10.3390/s18051631.

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.

Keywords: feedforward controller; hysteresis compensation; palpation simulation; preisach model; tactile interface.

MeSH terms

  • Algorithms
  • Arteries / physiology*
  • Computer Simulation
  • Heart Rate Determination / methods*
  • Humans
  • Models, Theoretical*
  • Touch / physiology*