The spin-transfer-torque(STT)magnetic tunneling junction(MTJ)device is one of the prominent candidates for spintronic logic circuit and neuromorphic computing.Therefore,building a simulation framework of hybrid STT-MT...The spin-transfer-torque(STT)magnetic tunneling junction(MTJ)device is one of the prominent candidates for spintronic logic circuit and neuromorphic computing.Therefore,building a simulation framework of hybrid STT-MTJ/CMOS(complementary metal-oxide-semiconductor)circuits is of great value for designing a new kind of computing paradigm based on the spintronic devices.In this work,we develop a simulation framework of hybrid STT-MTJ/CMOS circuits based on MATLAB/Simulink,which is mainly composed of a physics-based STT-MTJ model,a controlled resistor,and a current sensor.In the proposed framework,the STT-MTJ model,based on the Landau-Lifshitz-Gilbert-Slonczewsk(LLGS)equation,is implemented using the MATLAB script.The proposed simulation framework is modularized design,with the advantage of simple-to-use and easy-to-expand.To prove the effectiveness of the proposed framework,the STT-MTJ model is benchmarked with experimental results.Furthermore,the pre-charge sense amplifier(PCSA)circuit consisting of two STT-MTJ devices is validated and the electrical coupling of two spin-torque oscillators is simulated.The results demonstrate the effectiveness of our simulation framework.展开更多
详细介绍了电力系统暂态仿真软件的开发原理,并在此基础上开发了一个基于Matlab/Simulink的电力系统仿真工具箱(power system simulation toolbox,PSST)。该仿真工具箱目前可完成潮流计算,小干扰稳定分析和动态时域仿真等方面的分析和研...详细介绍了电力系统暂态仿真软件的开发原理,并在此基础上开发了一个基于Matlab/Simulink的电力系统仿真工具箱(power system simulation toolbox,PSST)。该仿真工具箱目前可完成潮流计算,小干扰稳定分析和动态时域仿真等方面的分析和研究,具有使用方便、可扩展性强等优点,克服了常规的大型商业化软件难以添加新模块的缺点,能够无缝地以Simulink模块的形式添加自定义新模块。此外,还可以根据实际仿真精度的要求灵活选用合适的Simulink求解器进行仿真求解而无需修改仿真模型。通过对同一个新英格兰系统进行时域仿真,将PSST和电力系统工具箱(power system toolbox,PST)的仿真结果进行了分析对比,验证PSST仿真结果的有效性和准确性。最后以静止无功补偿器的广域附加阻尼控制器的设计为例阐述了用PSST设计控制器的基本原理和方法。可以看出,PSST非常适合用于电力系统控制方面的研究。展开更多
基金Project supported by the National Natural Science Foundation of China(Grant No.62004223)the Science and Technology Innovation Program of Hunan Province,China(Grant No.2022RC1094)+1 种基金the Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics,China(Grant No.KF202012)the Hunan Provincial Science Innovation Project for Postgraduate,China(Grant No.CX20210086).
文摘The spin-transfer-torque(STT)magnetic tunneling junction(MTJ)device is one of the prominent candidates for spintronic logic circuit and neuromorphic computing.Therefore,building a simulation framework of hybrid STT-MTJ/CMOS(complementary metal-oxide-semiconductor)circuits is of great value for designing a new kind of computing paradigm based on the spintronic devices.In this work,we develop a simulation framework of hybrid STT-MTJ/CMOS circuits based on MATLAB/Simulink,which is mainly composed of a physics-based STT-MTJ model,a controlled resistor,and a current sensor.In the proposed framework,the STT-MTJ model,based on the Landau-Lifshitz-Gilbert-Slonczewsk(LLGS)equation,is implemented using the MATLAB script.The proposed simulation framework is modularized design,with the advantage of simple-to-use and easy-to-expand.To prove the effectiveness of the proposed framework,the STT-MTJ model is benchmarked with experimental results.Furthermore,the pre-charge sense amplifier(PCSA)circuit consisting of two STT-MTJ devices is validated and the electrical coupling of two spin-torque oscillators is simulated.The results demonstrate the effectiveness of our simulation framework.
文摘详细介绍了电力系统暂态仿真软件的开发原理,并在此基础上开发了一个基于Matlab/Simulink的电力系统仿真工具箱(power system simulation toolbox,PSST)。该仿真工具箱目前可完成潮流计算,小干扰稳定分析和动态时域仿真等方面的分析和研究,具有使用方便、可扩展性强等优点,克服了常规的大型商业化软件难以添加新模块的缺点,能够无缝地以Simulink模块的形式添加自定义新模块。此外,还可以根据实际仿真精度的要求灵活选用合适的Simulink求解器进行仿真求解而无需修改仿真模型。通过对同一个新英格兰系统进行时域仿真,将PSST和电力系统工具箱(power system toolbox,PST)的仿真结果进行了分析对比,验证PSST仿真结果的有效性和准确性。最后以静止无功补偿器的广域附加阻尼控制器的设计为例阐述了用PSST设计控制器的基本原理和方法。可以看出,PSST非常适合用于电力系统控制方面的研究。
