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Buck电路求解方法的研究

更新时间:2020-06-12 06:04:16 大小:274K 上传用户:守着阳光1985查看TA发布的资源 标签:buck电路 下载积分:5分 评价赚积分 (如何评价?) 收藏 评论(0) 举报

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滞回比较器是一种多用途的比较器,本文中选择它来控制Buck电路。利用滞回比较器的滞回特性控制Buck电路的输出在一个很小的范围内变化,从而保证了系统具有很高的稳定性。对受滞回比较器控制的Buck电路而言,其输出的求解方法有状态空间法、微分方程法以及拉普拉斯变换法等。本文所提出的算法是基于状态空间法的,并在其基础上引入一种等价无穷小的概念,从而化简了转移矩阵,避免了由于直接利用状态空间法解方程而带来的不便。通过Matlab编程以及PSPICE仿真,都有力地验证了本解法的有效性和正确性。

Hysteresis comparator is a multi-purpose comparator,and it's used to control Buck circuit in this paper.The hysteresis characteristic of hysteresis comparator can be utilized to control the output of Buck circuit to vary in a small area so as to confirm the high stability of system.There has many solution strategies for Buck circuit controlled by hysteresis comparator,Such as:state space equation,differential equation and Laplace transform and so on.The solution strategy in this paper is based on state space,and the defination of equivalent infinitesinal is introduced to avoid the discommodity brought by using state space straightly.The validity and correctness of this solution strategy is valida...

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