The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 2021
Filed:
Nov. 12, 2020
Hunan University of Science and Technology, Hunan, CN;
HUNAN UNTVERSITY OF SCIENCE AND TECHNOLOGY, Xiangtan, CN;
Abstract
Disclosed a method for determining a stability range of control parameters of a Buck-Boost converter based on segmented delay feedback control, including by taking inductor current and capacitor current in a Buck-Boost converter as state variables, establishing state differential equations respectively for two different level states of the converter under the pulse input voltage; based on different input voltages, correcting inductor reference current to obtain novel inductor reference current; based on the state differential equations and the novel inductor reference current, obtaining a discrete iteration mapping model of a system; based on the discrete iteration mapping model, obtaining function equations corresponding to an upper limit and a lower limit of control parameters of the converter when the segmented delay feedback control is used to realize the stable operation of the system under the pulse input voltage, and determining a stability range of the corresponding control parameters by the function equations.
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