Implements evolutionary optimization algorithms are directly implemented to improve Permanent Magnet Synchronous Machines (PMSM) performance Provides coverage of PMSM control design in the flux weakening region Proposes a modern control method of model predictive control is proposed to improve the dynamic performance of interior PMSM Studies the dynamic performance of two kinds of PMSMs, that of surface mounted and interior permanent magnet types Includes several case studies and illustrative examples with MATLAB

Permanent Magnet Synchronous Machines and Drives: Flux Weakening Advanced Control Techniques (Advances in Power Electronic Converter)

Engineering & Transportation

Islam, Md. Rabiul

Xu, Wei

Ismail, Moustafa Magdi

Engineering

CRC-Press

This book examines a number of topics, mainly in connection with advances in semiconductor devices and magnetic materials and developments in medium and large-scale renewable power plant technologies, grid integration techniques and new converter topologies, including advanced digital control systems for medium-voltage networks. The book’s individual chapters provide an extensive compilation of fundamental theories and in-depth information on current research and development trends, while also exploring new approaches to overcoming some critical limitations of conventional grid integration technologies. Its main objective is to present the design and implementation processes for medium-voltage converters, allowing the direct grid integration of renewable power plants without the need for step-up transformers.

Power Converters for Medium Voltage Networks (Green Energy and Technology)

Science & Math

Guo, Youguang

Zhu, Jianguo

Technology

Springer

This book examines a number of topics, mainly in connection with advances in semiconductor devices and magnetic materials and developments in medium and large-scale renewable power plant technologies, grid integration techniques and new converter topologies, including advanced digital control systems for medium-voltage networks. The book’s individual chapters provide an extensive compilation of fundamental theories and in-depth information on current research and development trends, while also exploring new approaches to overcoming some critical limitations of conventional grid integration technologies. Its main objective is to present the design and implementation processes for medium-voltage converters, allowing the direct grid integration of renewable power plants without the need for step-up transformers.

Automatic Speech Recognition (ASR) has progressed considerably over the past several decades, but  still has not achieved the potential imagined at its very beginning. Almost all of the existing applications  of ASR systems are PC based. This work is an attempt to develop a speech recognition system that is independent of any PC support and is small enough in size to be used in a daily use consumer appliance. The proposed system would recognize isolated word utterances from a limited vocabulary, provide  speaker independence, require less memory and be cost-efficient compared to present ASR systems. In this system, isolated word recognition is performed by using Vector Quantization (VQ) and Mel-Frequency Cepstral Coefficient (MFCC). The final system has been implemented on a vero board with an ATMEGA32 microcontroller. Learning and recognition algorithm have been used to recognize the speech utterances.

Vector Quantization based Speech Recognition System: Implementation of VQ based Isolated Word Recognition with Cepstral Coefficients

Sohrab Mahmud, Md.

Fayzur Rahman, Md.

Computers & Technology

LAP LAMBERT Academic Publishing

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