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pro vyhledávání: '"Ali Shagerdmootaab"'
Autor:
Ali Shagerdmootaab, Mehrdad Moallem
Publikováno v:
The Journal of Engineering (2017)
The amount of light flicker in an AC–DC light-emitting diode (LED) driver is dependent on the size of filter capacitors. In this study, a study is conducted on reducing the size of filter capacitor in an AC–DC buck–boost/flyback LED driver usin
Externí odkaz:
https://doaj.org/article/f7f319aa0793445eaf9c4ddb09d28ad5
Publikováno v:
IET Power Electronics. 11:1698-1705
This study presents modelling and control of a high-voltage ratio flyback converter for driving capacitive loads including smart material dielectric elastomer actuators (DEAs). These actuators find various applications including artificial muscles, o
Autor:
Mehrdad Moallem, Ali Shagerdmootaab
Publikováno v:
IEEE Transactions on Power Electronics. 31:2476-2484
This paper presents a study of high-brightness LED (HB-LED) strings under power drive control, in which the LED's input power is controlled rather than its current. In the conventional constant current drive technique, any changes in the LED string's
Autor:
Ali Shagerdmootaab, Mehrdad Moallem
Publikováno v:
IEEE Transactions on Power Electronics. 30:4467-4476
In this paper, a comprehensive study is conducted on reducing the size of output filter capacitor in an ac–dc flyback converter for driving high-brightness LED strings. To this end, a relationship between the input current harmonics, LED light flic
Autor:
Mehrdad Moallem, Ali Shagerdmootaab
Publikováno v:
IECON
This paper presents a primary-side control structure for operating high-brightness LED (HB-LED) strings under the constant power drive technique. To this end, an inner-outer-loop control structure is presented by utilizing an ac-dc flyback converter
Publikováno v:
Smart Materials and Structures. 26:115007
Novel devices based on the use of dielectric elastomer actuators (DEA) have been proposed for a large variety of different applications. In many of these applications, DEAs are envisioned to be in direct or close proximity to the human body. Since DE
Autor:
Mehrdad Moallem, Ali Shagerdmootaab
Publikováno v:
IECON
In this paper, the development of a novel controller for a bidirectional buck and boost converter is studied to implement an active capacitance. To this end, an averaging method is used to obtain a nonlinear state-space model of the converter in the