College of Engineering: Recent submissions
Now showing items 3261-3280 of 8747
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A new angle determination method for resolvers
( IEEE , 2008 , Conference)A new low cost method for converting the amplitudes of the sine/cosine signals generated by the resolver into a measure of the angle of its shaft. The new method operates without lookup tables (LUT), and takes advantage ... -
An improved predictive control approach for Multilevel Inverters
( IEEE , 2013 , Conference)This paper proposes a flexible predictive control strategy for flying capacitors based Multi-Level Inverters (MLIs). The proposed controller, applied for a Flying Capacitors Inverter (FCI) and a Modular Multilevel Converter ... -
Multilevel cascaded Z source inverter for PV power generation system
( IEEE , 2012 , Conference)The paper investigates the use of multilevel cascaded Z source inverter (MC-ZSI) for photovoltaic (PV) power generation system. The control of the proposed system will take into account the multilevel modulation scheme and ... -
A neutral point voltage balancing method for multi-level GTO inverters
( IEEE , 2006 , Conference)The balancing problem of the DC-link capacitor voltage is inherent in the NPC inverter. It is extremely important to keep the upper and lower DC-link capacitor voltages balanced to guarantee the three level operation of ... -
Experimental photovoltaic power supply based on flying capacitors multilevel inverter
( IEEE , 2011 , Conference)Nowadays, a great deal of research is being carried out to utilize the solar energy effectively through power electronics converters (conditioners) to meet the increasing demand for load. In this paper, a weighted Real ... -
A novel multilevel carrier-based PWM-control method for GTO inverter in low index modulation region
( IEEE , 2006 , Article)Gate turn offs (GTOs) have an inherent minimum ON-OFF time, which is needed for their safe operation. For GTO-based three-level or neutral-point-clamped (NPC) inverters, this minimum ON-OFF pulsewidth limitation results ... -
Precise method for linearizing sine and cosine signals in resolvers and quadrature encoders applications
( IEEE , 2004 , Conference)Resolvers and quadrature encoders provide electrical signal related to the sine and cosine of the mechanical shaft angle over the full 360 degree range. A converter is described for the linearization of these signals, ... -
A novel method for estimating the angle from analog co-sinusoidal quadrature signals
( Elsevier , 2008 , Article)The paper presents a new low cost and accurate method for determining the angle from sine and cosine signals produced by resolvers and sinusoidal encoders. In the proposed scheme, multiple phase-shifted sinusoids (PSS) are ... -
Development of a grid connected photovoltaic power conditioning system based on flying capacitors inverter
( IEEE , 2011 , Conference)In an effort to utilize the solar energy effectively through power electronics converters (conditioners), a great deal of research is being carried out to meet the increasing demand for load. This paper proposes an ... -
Real Time Digital Feedback Control for VFD fed by cascaded multi-cell inverter
( IEEE , 2010 , Conference)Multi-cell inverter include an array of single-phase inverters capable of handling higher voltage ratings with lower rating power electronics devices. In this paper, a Real Time Digital Feedback Controller (RTDFBC) combined ... -
A high precision resolver-to-DC converter
( IEEE , 2005 , Article)A newly developed resolver converter, providing a pseudolinear voltage proportional to the shaft angle, is presented. This converter is based on a new concept involving the absolute values of the demodulated sine and cosine ... -
Speed control of induction motor without rotational transducers
( IEEE , 1999 , Article)This paper describes a newly developed speed sensorless drive based on neural networks. A backpropagation neural network is used to provide real-time adaptive identification of the motor speed. The estimation objective is ... -
A new PLL method for resolvers
( IEEE , 2010 , Conference)This paper describes a novel implementation of the classical PLL closed loop method without using VCO, DAC, counter and look-up tables. The proposed method makes use of the excitation signal of the resolver to estimate the ... -
Digital control for UPS inverters
( IEEE , 2003 , Conference)PWM inverters digital controls with dead-beat re sponse, for UPS applications, are reviewed. To improve the output waveforms of the PWM inverter, several modern control techniques are applied together with the deadbeat ... -
A Novel Resolver-to-360° Linearized Converter
( IEEE , 2004 , Article)A novel and simple resolver-to-dc converter is presented. It is shown that by appropriate processing of the sine and cosine resolver signals, the proposed converter may produce an output voltage proportional to the shaft ... -
A new iterative learning control method for PWM inverter current regulation
( IEEE , 2003 , Conference)AC servomotor speed or current controller based on PI control and/or optimal control, can not eliminate the cyclical fluctuations of speed or current when subject to periodic disturbances. PWM inverters output waveforms ... -
The simultaneous impact of EV charging and PV inverter reactive power on the hosting distribution system's performance: A case study in kuwait
( MDPI AG , 2020 , Article)Recently, electric vehicles (EVs) have become an increasingly important topic in the field of sustainable transportation research, alongside distributed generation, reactive power compensation, charging optimization, and ... -
An adaptive network coding scheme for multipath transmission in cellular-based vehicular networks
( MDPI AG , 2020 , Article)With the emergence of vehicular Internet-of-Things (IoT) applications, it is a significant challenge for vehicular IoT systems to obtain higher throughput in vehicle-to-cloud multipath transmission. Network Coding (NC) has ... -
COVID-19 Optimizer Algorithm, Modeling and Controlling of Coronavirus Distribution Process
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)The emergence of novel COVID-19 is causing an overload on public health sector and a high fatality rate. The key priority is to contain the epidemic and reduce the infection rate. It is imperative to stress on ensuring ... -
An IoT and Edge Computing Based Framework for Charge Scheduling and EV Selection in V2G Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)The daily fluctuations in the power requirements and the regulation of voltage and frequency cause substantial energy dissipation. These lead to a reduction in the operational efficiency of the power grid. V2G (Vehicle 2 ...