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Author:

许家群 (许家群.) | 崔楠 (崔楠.)

Indexed by:

incoPat zhihuiya

Abstract:

本发明公开了一种Buck变换器线性与非线性混合控制方法,该控制方法结合了PI控制的稳态性能优势与滑模控制的动态性能优势,通过在电感电流上升沿或下降沿中点处采样,对DCM模式和CCM模式平均电感电流值进行统一的公式计算,比较平均电感电流值与临界模式电感电流平均值的大小来判断Buck变换器工作模式,在发生DCM/CCM模式切换时,Buck变换器双闭环控制电压外环由PI控制立即切换为滑模控制,并在滑模控制下检测到输出电压恢复稳态后,立即切换回PI控制,并采用一种输出量预补偿的切换结构实现两种控制方法的平稳切换。

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Patent Info :

Type: 发明授权

Patent No.: CN202010204793.4

Filing Date: 2020-03-22

Publication Date: 2021-07-02

Pub. No.: CN111355372B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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