Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Ahmadreza Amirahmadi"'
Autor:
Ansel Barchowsky, Ahmadreza Amirahmadi, Kyle Botteon, Gregory Carr, Curtis Jin, Patrick McGarey, Shelly Sposato, Summer Yang
Publikováno v:
2022 IEEE Aerospace Conference (AERO).
Autor:
Gregory Carr, Ahmadreza Amirahmadi, Antonio Ulloa-Severino, Ansel Barchowsky, Christopher Stell, Elvis Merida
Publikováno v:
2019 European Space Power Conference (ESPC).
This paper presents the design and optimization of a class of flexible, high efficiency, multiple output capable, radiation-hardened isolated DC/DC converters for Jovian environments. The proposed converters achieve lower electromagnetic emission, be
Autor:
Issa Batarseh, Kambiz Tehrani, Mohammadreza Rafiei, Giovanni Battista Griva, Ahmadreza Amirahmadi
Publikováno v:
International Journal of Power Electronics and Drive Systems
International Journal of Power Electronics and Drive Systems, IAES 2015, 15 (1), pp.160-176. ⟨10.6113/JPE.2015.15.1.160⟩
International Journal of Power Electronics and Drive Systems, IAES 2015, 15 (1), pp.160-176. ⟨10.6113/JPE.2015.15.1.160⟩
This paper presents a method of designing optimal integer- and fractional-order proportional–integral-derivative (FOPID) controllers for a boost converter to gain a set of favorable characteristics at various operating points. A Pareto-based multi-
Publikováno v:
2017 IEEE Applied Power Electronics Conference and Exposition (APEC).
The LLC resonant power supply topology shows great promise for meeting the demands of increased power density while maintaining high efficiency. But there is a tradeoff between maximizing efficiency and accommodating regulation over a wide input volt
Publikováno v:
IEEE Transactions on Power Electronics. 29:3881-3892
Module integrated converters (MICs) in single phase have witnessed recent market success due to unique features such as improved energy harvest, improved system efficiency, lower installation costs, plug-and-play operation, and enhanced flexibility a
Publikováno v:
IEEE Transactions on Power Electronics. 29:2944-2958
This paper describes a boundary-mode forward-flyback converter (BMFFC) with zero-voltage switching that is able to process power efficiently. The theoretical analysis and operating principle of the BMFFC are presented in detail. A nondissipative LC s
Autor:
Anna Grishina, Issa Batarseh, Haibing Hu, Qian Zhang, Utsav Somani, Lin Chen, Ahmadreza Amirahmadi
Publikováno v:
IEEE Transactions on Power Electronics. 29:2124-2134
This paper presents a new zero-voltage switching (ZVS) control method that is suitable for low-power applications such as three-phase microinverters. The proposed hybrid control method increases the efficiency and power density of the microinverters
Autor:
Changsheng Hu, Qian Zhang, Lin Chen, Z. J. Shen, Issa Batarseh, Nasser Kutkut, Ahmadreza Amirahmadi
Publikováno v:
IEEE Transactions on Power Electronics. 29:1262-1274
Maximum power point tracking (MPPT) is an essential technique to harvest PV power under varying environments. Perturb and observe (P& O) algorithms are the most broadly used MPPT due to their effectiveness and simplicity. However, it is difficult to
Publikováno v:
2016 IEEE Applied Power Electronics Conference and Exposition (APEC).
In this paper, a method of maintaining high power conversion efficiency across the entire load range of a three-phase micro-inverter is proposed. The proposed control method substantially increases the conversion efficiency at light loads by minimizi
Publikováno v:
Journal of Power Electronics. 12:104-112
In this paper a new method for the design of a simple PI controller is presented and it has been applied in the control of a Boost based PFC rectifier. The Strength Pareto evolutionary algorithm, which is based on the Pareto Optimality concept, used