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Generic and Practical Emulators for the Current-Controlled Memristor Models

  • Abdullah G. Alharbi
  • Masud H. Chowdhury
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Abstract

Although the HP model has helped us understand and analyze different properties and potential applications of the memristor, it was later acknowledged that the HP model fails to provide the actual nonlinear behaviors of the memristor. In Chap.  2, some of the circuit-based emulators and macro-models that are being developed based on the HP memristor model are illustrated. One of the most severe limitations of the existing emulators is that those cannot mimic the nonlinear behaviors of a real memristor. In this chapter, we introduced the concept and the design methodology of a practical memristor emulator. The proposed emulator can be used to mimic the behavior of the well-known current-controlled memristor models, such as the Simmons Tunneling Barrier Model (STBM) and the ThrEshold Adaptive Memristor (TEAM) Model. The STBM and TEAM models have been chosen to be emulated because (i) the STBM represents the fabricated and measured memristor devices, and (ii) the TEAM model is more practical and fits with different memristors. The proposed emulator model can mimic the behavior of the electrical nonlinearity of the fabricated memristor. In addition to the mathematical modeling and the analysis of the proposed emulator, SPICE simulation and experimental results have been provided to validate the new model. The proposed emulator has also been used to verify some applications like Wien Bridge oscillators. Finally, a brief comparison of the proposed model and previously published emulators are included to highlight the advantages of the proposed emulators.

Keywords

Generic memristor emulator Current-controlled memristor model Simmons Tunneling Barrier Model (STBM) ThrEshold Adaptive Memristor (TEAM) model Shaping function Circuit implementation of memristor model Nonlinear behavior of memristor Wien Bridge oscillator 

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Copyright information

© Springer Nature Switzerland AG 2021

Authors and Affiliations

  • Abdullah G. Alharbi
    • 1
  • Masud H. Chowdhury
    • 2
  1. 1.Department of Electrical EngineeringJouf UniversitySakakaSaudi Arabia
  2. 2.Department of Computer Science Electrical EngineeringUniversity of Missouri–Kansas CityKansas CityUSA

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