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<p>A novel artificial muscle fiber is designed using an electromechanical device that couples a memristive neural circuit with a moving beam. The output current from the neural circuit induces Ampere’s force on a current-carrying coil within a magnetic field, actuating the connected beam to oscillate.&#xa0;The voltage of the neural circuit and displacement of the moving beam are sampled and restricted within appropriate threshold ranges. Through dynamical analysis and energy investigation, the regulation mechanism of thresholds on different oscillation modes of the electromechanical system is examined. Furthermore, the two amplitude—restricted systems are coupled via a resistor simulating an electrical synapse, enabling exploration of their coordination and synchronization. The results indicate that amplitude restriction can effectively modulate oscillations of the beam, and the coupled system exhibits enhanced synchronization when both neural circuits or both beams are simultaneously controlled. This work not only provides an application example of neural circuits but also contributes a novel scheme for the flexible movement of artificial muscles.</p>

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Amplitude restriction and energy characterization of artificial muscle driven by neural circuit

  • 期刊论文

  • 发表日期：

    2025年6月29日

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  • Li Zhang,
  • Wuyin Jin,
  • Xinlei An

摘要

A novel artificial muscle fiber is designed using an electromechanical device that couples a memristive neural circuit with a moving beam. The output current from the neural circuit induces Ampere’s force on a current-carrying coil within a magnetic field, actuating the connected beam to oscillate. The voltage of the neural circuit and displacement of the moving beam are sampled and restricted within appropriate threshold ranges. Through dynamical analysis and energy investigation, the regulation mechanism of thresholds on different oscillation modes of the electromechanical system is examined. Furthermore, the two amplitude—restricted systems are coupled via a resistor simulating an electrical synapse, enabling exploration of their coordination and synchronization. The results indicate that amplitude restriction can effectively modulate oscillations of the beam, and the coupled system exhibits enhanced synchronization when both neural circuits or both beams are simultaneously controlled. This work not only provides an application example of neural circuits but also contributes a novel scheme for the flexible movement of artificial muscles.