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:
Aug. 13, 2024
Filed:
Sep. 26, 2022
Southeast University, Nanjing, CN;
Qi Liu, Nanjing, CN;
Weiwei Zhai, Nanjing, CN;
Leilei Shi, Nanjing, CN;
Qinsong Qian, Nanjing, CN;
Weifeng Sun, Nanjing, CN;
Longxing Shi, Nanjing, CN;
SOUTHEAST UNIVERSITY, Nanjing, CN;
Abstract
A control method for a four-switch buck-boost converter is provided. The control method adopts four-stage control, and divides the load range into two sections and adopts different control strategies according to a critical load value corresponding to optimal control. In Boost mode, before the critical load, Tand Tare kept constant, Tis a minimum value for realizing soft-switching, and Tdecreases with the increase of the load; when the critical load is reached, Tdrops to 0; and after the critical load, T, T, Tand T increase with the load. In Buck mode, before the critical load, Tand Tare kept constant, Tis a minimum value for realizing soft-switching, and Tdecreases with the increase of the load; when the critical load is reached, Tdrops to 0; and after the critical load, T, T, Tand T increase with the load.