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1000 tulosta hakusanalla Mohamed Hashim

Wind Driven Doubly Fed Induction Generator

Wind Driven Doubly Fed Induction Generator

Adel Abdelbaset; Yehia S. Mohamed; Abou-Hashema M. El-Sayed; Alaa Eldin Hussein Abozeid Ahmed

Springer International Publishing AG
2017
sidottu
This book presents a modified model reference adaptive system (MRAS) observer for sensorless vector control of a wind driven doubly fed induction generator (DFIG). A mathematical model of the DFIG as influenced by core loss and main flux saturation is developed. The authors describe and evaluate grid synchronization enhancement of a wind driven DFIG using adaptive sliding mode control (SMC). Besides, grid synchronization of a wind driven DFIG under unbalanced grid voltage is also fully covered in this book.
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Wind Driven Doubly Fed Induction Generator

Wind Driven Doubly Fed Induction Generator

Adel Abdelbaset; Yehia S. Mohamed; Abou-Hashema M. El-Sayed; Alaa Eldin Hussein Abozeid Ahmed

Springer International Publishing AG
2018
nidottu
This book presents a modified model reference adaptive system (MRAS) observer for sensorless vector control of a wind driven doubly fed induction generator (DFIG). A mathematical model of the DFIG as influenced by core loss and main flux saturation is developed. The authors describe and evaluate grid synchronization enhancement of a wind driven DFIG using adaptive sliding mode control (SMC). Besides, grid synchronization of a wind driven DFIG under unbalanced grid voltage is also fully covered in this book.
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Development of Adaptive Speed Observers for Induction Machine System Stabilization

Development of Adaptive Speed Observers for Induction Machine System Stabilization

Ahmed A. Zaki Diab; Abo-Hashima M. Al-Sayed; Hossam Hefnawy Abbas Mohammed; Yehia Sayed Mohammed

Springer Verlag, Singapore
2020
nidottu
This book describes the development of an adaptive state observer using a mathematical model to achieve high performance for sensorless induction motor drives. This involves first deriving an expression for a modified gain rotor flux observer with a parameter adaptive scheme to estimate the motor speed accurately and improve the stability and performance of sensorless vector-controlled induction motor drives. This scheme is then applied to the controls of a photovoltaic-motor water-pumping system, which results in improved dynamic performance under different operating conditions. The book also presents a robust speed controller design for a sensorless vector-controlled induction motor drive system based on H8 theory, which overcomes the problems of the classical controller.
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Bedtime Stories: Beautiful Black Tales from the Past

Bedtime Stories: Beautiful Black Tales from the Past

Candice Brathwaite; Ashley Hickson-Lovence; Wendy Shearer; Jade Mutyora; Ryan Crawford; Alex Falase-Koya; Nansubuga Isdahl; Reggie Nelson; Mahamed Hashi; Ify Adenuga

Scholastic
2021
sidottu
A beautiful, celebratory and joyful book of bedtime stories. Written and illustrated by Black creators, with a foreword by Candice Brathwaite, Bedtime Stories showcases a curated collection of tales from Black history, based on important figures and events from around the world. Each story is the ideal length to read at bedtime as well as any moment when young readers are looking for an inspirational read! Features one young reader's winning entry from the Cocoa Boy and Cocoa Girl magazines competition An empowering and celebratory gift Perfect for any child wanting to learn more about history's untold stories A beautiful keepsake book - a gift for a lifetime Written by Ify Adenuga, Ryan Crawford, Alex Falase-Koya, Mahamed Hashi, Ashley Hickson-Lovence, Nansubuga Isdahl, Jade Mutyora, Reggie Nelson and Wendy Shearer. Illustrated by Lucy Farfort, Anastasia Magloire Williams, Jade Orlando, Amanda Quartey, Paul Kellam and Richy Sanchez Alaya.
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M'Hashish

M'Hashish

Mohammed Mrabet

CITY LIGHTS BOOKS
1968
nidottu
"Ah," said Hassan, "I don't believe in the world. There's another world where life is different."These are stories of that world. The word m'hashish (equivalent in Moghrebi of "behashished" or "full of hashish") is used not only in a literal sense, but also figuratively, to describe a person whose behavior seems irrational or unexpected. The tales here deal with some of the possible results, desirable and questionable, of being in that state.Mohammed Mrabet was born in Tangier in 1936. Since meeting in the early 1960's, Paul Bowles has taped and translated numerous strange legends and lively stories recounted by Mrabet: Love with a Few Hairs (novel), The Lemon (novel), The Boy Who Set Fire (stories), Harmless Poisons, Blameless Sins (stories), The Beach Caf & Look & Move On (autobiography) and The Big Mirror (novella). After moving back to Tangier after living in New York for four years, Mrabet resumed his role as a fisherman and began painting. He continues to paint while living in the Souani area of Tangier.
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