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动态电路全部支路电流电压稳态演化规律

更新时间:2020-07-27 10:59:23 大小:388K 上传用户:xiaohei1810查看TA发布的资源 标签:动态电路 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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求解复杂多输入多输出动态电路全部支路电流电压稳态演化规律,难题之一是列出以动态元件电流电压为状态变量的时域微分积分方程组,难题之二是求解时域微分积分方程组的过程中必须对一元n次多项式分解因式。用Laplace积分变换将时域动态电路问题映射为复频域电路问题,编程运行可以自动列出电路节点像电压满足的代数方程,可以破解第一个难题。设计并运行程序,对节点像电压函数分母多项式进行因式分解,可以破解第二个难题。讨论复杂动态电路全部支路电流电压演化规律求解方法,设计出可以快捷求解动态电路全部支路电流电压演化规律的Mathematica程序。

To solve the dynamic evolution law of all branch current and voltage in the circuit , construc-ting and solving the integral-differential equation is required .But its related parametric calculation is very large cumbersome in time domain analysis .In this article , Laplace integral transform was used to map the in-tegral-differential equation to the algebraic equation of the node voltage in complex frequency domain , and the Mathematica programs used to be adopted to solve the algebraic equation of the node voltage .The steady-state response of the complex dynamic circuit is quickly solved with this proposed method .

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