Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ahmed Abuelnasr"'
Autor:
Mostafa Amer, Ahmed Abuelnasr, Mohamed Ali, Ahmad Hassan, Aref Trigui, Ahmed Ragab, Mohamad Sawan, Yvon Savaria
Publikováno v:
IEEE Access, Vol 12, Pp 7310-7328 (2024)
DC-DC buck converters in automotive and aerospace applications are often required to handle large disturbances in their input supply and abrupt variations in their loads. This paper proposes a systematic method to combine input-voltage feedforward (I
Externí odkaz:
https://doaj.org/article/a22e0b9bc5634eedb2c33eedb87ea50a
Autor:
Ahmed Abuelnasr, Mostafa Amer, Mohamed Ali, Ahmad Hassan, Benoit Gosselin, Ahmed Ragab, Yvon Savaria
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 70:1555-1565
Autor:
Mohamed Agina, Ahmed Abuelnasr
Publikováno v:
Journal of Association of Arab Universities for Tourism and Hospitality.
Publikováno v:
ISCAS
This paper proposes a methodology based on machine learning to find apparent causal relations between performance targets and design variables in analog circuits. Diversified filtering and wrapping variable selection algorithms are utilized to constr
Autor:
Ahmed Abuelnasr, Mostafa Amer, Mohamed Ali, Ahmad Hassan, Yvon Savaria, Benoit Gosselin, Mohamad Sawan, Ahmed Ragab
Publikováno v:
ISCAS
This paper presents the design and analysis of combining input-voltage feedforward and proportional-integral (PI) controllers to regulate the output voltage of DC-DC Buck converter subject to input line disturbances. Non-idealities of the Buck conver
Autor:
Ahmed Abuelnasr
Publikováno v:
Journal of Association of Arab Universities for Tourism and Hospitality.
The spread of Covid-19 and traveling restriction heavily hit the hospitality industry. Consequently, many hotels had to implement the strategy of downsizing in order to reduce the cost of employment. Accordingly, survivors’ workers have been feelin
Autor:
Mohamed Ali, Ahmad Hassan, Mostafa Amer, Yvon Savaria, Ahmed Abuelnasr, Benoit Gosselin, Morteza Nabavi
Publikováno v:
ISCAS
Scopus-Elsevier
Scopus-Elsevier
In this paper, we propose a novel design methodology for a deadtime generator for high-efficiency power amplifiers. It consists of a two-phase non-overlapping clock circuit and level down shifters. A 3% improvement in efficiency is achieved with a ma
Autor:
Mohamad Sawan, Mohamed Ali, Ahmad Hassan, Yvon Savaria, Ahmed Abuelnasr, Morteza Nabavi, Mostafa Amer
Publikováno v:
NEWCAS
This paper presents a power sensor interface (PSI) driving a wide range of load valves with coil resistance ranging from 5 $\Omega$ to 62.5 $\Omega$ . It can sustain voltage surges up to 115 V. An integrated high-voltage (HV) dual-channel gate driver
Autor:
Mohamed Ali, Mousa Karimi, Ahmad Hassan, Mohamad Sawan, Guillaume Weber-boisvert, Benoit Gosselin, Ahmed Abuelnasr
Publikováno v:
NEWCAS
In this paper, we present a novel topology of level shifter circuit implemented in 0.35 μm CMOS technology. In this design, a closed-loop negative feedback is employed to decrease both propagation delay and power dissipation. A voltage controlled cu