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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Consistent and Efficient Modeling of the Nonlinear Properties of Ferroelectric Materials in Ceramic Capacitors for Frugal Electronic Implants
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Consistent and Efficient Modeling of the Nonlinear Properties of Ferroelectric Materials in Ceramic Capacitors for Frugal Electronic Implants

机译：节俭电子植入物陶瓷电容器铁电材料的非线性特性的一致有效建模

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摘要

In recent years, the development of implantable electronics has been driven by the motivation to expand their field of application. The main intention is to implement advanced functionalities while increasing the degree of miniaturization and maintaining reliability. The intrinsic nonlinear properties of the electronic components, to be used anyway, could be utilized to resolve this issue. To master the implementation of functionalities in implantable electronics using the nonlinear properties of its electronic components, simulation models are of utmost importance. In this paper, we present a simulation model that is optimized in terms of consistency, computing time and memory consumption. Three circuit topologies of nonlinear capacitors, including hysteresis losses, are investigated. An inductively coupled measurement setup was realized to validate the calculations. The best results were obtained using the Trapezoid method in ANSYS with a constant step size and a resolution of 500 k points and using the Adams method in Mathcad with a resolution of 50 k points. An inductive coupling factor between 7% and 10% leads to a significant improvement in consistency compared to lower coupling factors. Finally, our results indicate that the nonlinear properties of the voltage rectifier capacitor can be neglected since these do not significantly affect the simulation results.
机译：近年来，植入电子产品的发展是通过展开其应用领域的动机驱动的。主要目的是实施高级功能，同时提高小型化程度和维持可靠性。无论如何都可以使用电子元件的内在非线性特性来解决这个问题。为了掌握使用电子元件的非线性性能的植入电子设备中的功能，模拟模型至关重要。在本文中，我们介绍了一种在一致性，计算时间和存储器消耗方面进行了优化的模拟模型。研究了三个电容器的非线性电容器，包括滞后损失。实现电感耦合测量设置以验证计算。使用恒定步长和分辨率的ANSYS中的梯形方法获得了最佳结果，并使用MathCAD中的ADAMS方法具有50 k点的分辨率。与较低偶联因子相比，诱导耦合因子在7％至10％之间导致一致性的显着改善。最后，我们的结果表明，由于这些不会显着影响模拟结果，因此可以忽略电压整流电容器的非线性性质。

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