@incollection{,
	
					
					
					CFA8E839F594A3477C9B93E906883E94
				,
	author={{G. SreeLakshmi} and {S.Kamakshaiah} and {G. Tulasi RamDas} and {JNT University Hyderabad, India}},
	journal={{Global Journal of Researches in Engineering}},
	journal={{GJRE}}2249-45960975-586110.34257/gjre,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}139917
}

@incollection{b0,
	
	
		,
	title={{Power Electronics and Motor Drives Recent Progress and Perspective}}
		,
	author={{
			KBimal
		} and {
			Bose
		}}
		
	
	
		,
	journal={{IEEE Transactions On Industrial Electronics}}
		
			56
			2
			
			,
	year={2009}
		
	

}

@incollection{b1,
	
	
		,
	title={{High-Performance motor drives}}
		,
	author={{
			MarianPKazmier Kowski
		} and {
			LeopoldoGFranquelo
		} and {
			JoseRodriguez
		} and {
			MarceloAPerez
		} and {
			JoseILeon
		}}
		
		
		
		
	
	
		,
	journal={{IEEE Industrial Electronics Magazine}}
		
			5
			3
			
			,
	year={2011}
		
	

}

@incollection{b2,
	
	
		,
	title={{A Nonlinear Observer for High-Performance Sensorless Speed Control of IPMSM Drive}}
		,
	author={{
			AmorKhlaief
		} and {
			MoussaBendjedia
		} and {
			MohamedBoussak
		}}
		
		
	
	
		,
	journal={{IEEE Trans. on Power Electronics}}
		
			27
			6
			
			,
	year={2012}
		
	

}

@incollection{b3,
	
	
		,
	title={{Sensorless Control of PM Synchronous Machines by Physics-Based EMF Observer}}
		,
	author={{
			AliSarikhani
		} and {
			OsamaAMohammed
		}}
		
	
	
		,
	journal={{IEEE Transactions on Energy Conversion}}
		
			27
			4
			
			,
	year={2012}
		
	

}

@book{b4,
	
	
		,
	title={{The Study of Improved PI Method for PMSM Vector Control System Based On SVPWM}}
		,
	author={{
			ZhaoKaiqi
		}}
		
			,
	year={2011}
			,
	publisher={IEEE Conference Publication}
			
		
	

}

@incollection{b5,
	
	
		,
	title={{Direct Torque Control of an IPM-Synchronous Motor Drive at Very Low Speed Using a Sliding-Mode Stator Flux Observer}}
		,
	author={{
			GilbertHock Beng Foo
		} and {
			MFRahman
		}}
		
	
	
		,
	journal={{IEEE Transactions on Power Electronics}}
		
			25
			4
			
			,
	year={2010}
		
	

}

@incollection{b6,
	
	
		,
	title={{Interior Permanent-Magnet Synchronous Motor Design for Improving Self-Sensing Performance at Very Low Speed}}
		,
	author={{
			ShanshanWu
		} and {
			DavidDíaz Reigosa
		} and {
			YuichiShibukawa
		} and {
			MichaelALeetmaa
		} and {
			RobertDLorenz
		} and {
			YongdongLi
		}}
		
		
		
		
		
	
	
		,
	journal={{IEEE Transactions on Industry Applications}}
		
			45
			6
			
			,
	year={2009}
		
	

}

@incollection{b7,
	
	
		,
	title={{Performance of Current Controllers for VSI-Fed IPMSM Drive}}
		,
	author={{
			MNasir Uddin
		} and {
			TawfikSRadwan
		} and {
			GHGeorge
		} and {
			MAzizur Rahman
		}}
		
		
		
	
	
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	journal={{IEEE Transaction on Industry Applications}}
		
			36
			6
			
			,
	year={2000}
		
	

}

@incollection{b8,
	
	
		,
	title={{Analysis of Direct Torque Control in Permanent Magnet Synchronous Motor Drives}}
		,
	author={{
			LZhong
		} and {
			MFRahman
		} and {
			WYHu
		} and {
			KWLim
		}}
		
		
		
	
	
		,
	journal={{IEEE Transactions on Power Electronics}}
		
			12
			3
			
			,
	year={1997}
		
	

}

@incollection{b9,
	
	
		,
	title={{Direct Torque Control of Permanent Magnet Synchronous Motors -An Overview}}
		,
	author={{
			ThomasJVyncke
		} and {
			KRene´
		} and {
			JanA ABoel
		} and {
			Melkebeek
		}}
		
		
		
	
	
		,
	booktitle={{3rd IEEE Benelux young Researchers Symposium in Electrical Power Engineering}}
				Ghent, Belgium
		
			,
	year={2006}
		
	

}

@incollection{b10,
	
	
		,
	author={{
			JoséRodríguez
		} and {
			Jih-ShengLai
		} and {
			Fang ZhengPeng
		}}
		
		
	
	
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	booktitle={{Multilevel Inverters: A Survey of Topologies, Controls, and Applications}}
				
			,
	year={2002}
			49
			
		
	

}

@book{b11,
	
	
		,
	title={{A General Circuit Topology of Multilevel Inverter}}
		,
	author={{
			NamSChoi
		} and {
			JungGCho
		} and {
			GyuHCho
		}}
		
		
		
			,
	year={1991}
			,
	publisher={IEEE Conference Publication}
			
		
	

}

@book{b12,
	
	
		,
	title={{}}
		,
	author={{
			LeopoldoGFranquelo
		} and {
			JoseRodriguez
		} and {
			JoseILeon
		} and {
			SamirKouro
		} and {
			RamonPortillo
		} and {
			MariaA
		}}
		
		
		
		
		
		
	

}

@incollection{b13,
	
	
		,
	title={{The Age of Multilevel Converters Arrives}}
		,
	author={{
			MPrats
		}}
	
	
		,
	journal={{IEEE Industrial Electronics Magazine}}
		
			2
			2
			
			,
	year={2008}
		
	

}

@incollection{b14,
	
	
		,
	title={{Simple Neutral-Point Voltage Control for Three-Level Inverters Using a Discontinuous Pulse Width Modulation}}
		,
	author={{
			Ui-MinChoi
		} and {
			Hyun-HeeLee
		} and {
			Kyo-BeumLee
		}}
		
		
	
	
		,
	journal={{IEEE Transactions on Energy Conversion}}
		
			28
			2
			
			,
	year={2013}
		
	

}

@book{b15,
	
	
		,
	title={{Research on the Technology of the Neutral-point Voltage Balance and Dual-loop Control Scheme for Three-level PWM Inverter}}
		,
	author={{
			LUChaoying
		} and {
			YangShuying
		} and {
			WeiXinfeng
		} and {
			XingZhang
		}}
		
		
		
		
			,
	year={2012}
			,
	publisher={IEEE Conference Publicataion}
			
		
	

}

@book{b16,
	
	
		,
	title={{A Carrier-Based PWM Method with Optimal Switching Sequence for Multi-level Four-leg VSI}}
		,
	author={{
			Jang-HwanKim
		} and {
			Seung-KiSul
		} and {
			PrasadNEnjeti
		}}
		
		
		
			,
	year={2005}
			,
	publisher={IEEE Conference Publication}
			
		
	

}

@incollection{b17,
	
	
		,
	title={{Relationship Between Space-Vector Modulation and Three-Phase Carrier-Based PWM: A Comprehensive Analysis}}
		,
	author={{
			KeliangZhou
		} and {
			DanweiWang
		}}
		
	
	
		,
	journal={{IEEE Transactions on Industrial Electronics}}
		
			49
			,
	year={2002}
		
	

}

@incollection{b18,
	
	
		,
	title={{Comparisons of Space-Vector Modulation and Carrier-Based Modulation of Multilevel Inverter}}
		,
	author={{
			WenxiYao
		} and {
			HaibingHu
		} and {
			ZhengyuLu
		}}
		
		
	
	
		,
	journal={{IEEE Transactions on Power Electronics}}
		
			23
			1
			
			,
	year={2008}
		
	

}

@book{b19,
	
	
		,
	title={{Closed Loop Control of Three-Level Diode Clamped Inverter Fed IPMSM with Different Modulation Techniques Gl Gl}}
				
	

}

@incollection{b20,
	
	
		,
	title={{Unified Voltage Modulation Technique for Real Time Three-phase Power Conversion}}
		,
	author={{
			Dae-WoongChung
		} and {
			Joohn-SheokKim
		} and {
			Seung-KiSul
		}}
		
		
	
	
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	journal={{IEEE Transaction}}
		
			34
			2
			
			,
	year={1996}
		
	

}

@book{b21,
	
	
		,
	title={{The Unified PWM Implementation Method for Three-Phase Inverters}}
		,
	author={{
			Xiao-LingWen
		} and {
			Xiang-GenYin
		}}
		
		
			,
	year={2007}
			,
	publisher={IEEE Conference Publication}
			
		
	

}