نتایج جستجو برای: مدل srm

تعداد نتایج: 122324  

2016
Stephen W Holman Dean E Hammond Deborah M Simpson John Waters Jane L Hurst Robert J Beynon

Protein turnover represents an important mechanism in the functioning of cells, with deregulated synthesis and degradation of proteins implicated in many diseased states. Therefore, proteomics strategies to measure turnover rates with high confidence are of vital importance to understanding many biological processes. In this study, the more widely used approach of non-targeted precursor ion sig...

2011
X.Felix Joseph

This paper presents the design, and simulation of a soft switched boost converter for a switched reluctance motor with a closed loop controller. A soft switching scheme is proposed in the converter with minimum components, which reduces the switching loss and stress across the switch so that the harmonic generation is reduced in the output. The switch used in this converter switched ON at zero ...

2015
M. Ravikanth T. Srinivas

This paper presents a sliding mode observer for sensorless operation of SRM (switched reluctance motor) drive. Design of such an observer depends mainly on the nonlinear model of SRM. In this technique, neither extra hardware nor huge memory space arenot required but it only requires active phase measurements. Furthermore, PI (proportional integral) are suggested to operate individually along w...

Journal: :IEICE Electronics Express 2023

This paper proposes a flat bottom driving method for switched reluctance motor (SRM) by using full-bridge power converter. Based on ring structure, an SRM is able to be driven inverter. With the proposed topology, adding harmonics in sinusoidal current waveform from space vector PWM (SVPWM) method, can generated SRM. According theoretical analysis and calculation, reduces copper loss, compared ...

2005
Raul Rabinovici

The paper presents a state of the art review on the subject of torque ripple, vibrations, and acoustic noise in Switched Reluctance Motors (SRM). The approach of the multi-phase operation of SRM is also reviewed. Moreover, further directions of research on these subjects are introduced.

2003
Ravi S. Sandhu Jaehong Park

Protection Objectives Sensitive information protection IPR protection Privacy protection Protection Architectures Server-side reference monitor Client-side reference monitor SRM & CRM Server-side Reference Monitor (SRM) Client-side Reference Monitor (CRM) Traditional Access Control Trust Management Usage Control Sensitive Information Protection Intellectual Property Rights Protection Privacy Pr...

Journal: :Talanta 1989
M S Epstein B I Diamondstone T E Gills

The collection, processing and certification of a new sediment Standard Reference Material (SRM), SRM 2704, is described. Collected from the bottom of the Buffalo River in New York State during the fall of 1986, SRM 2704 is certified for 25 elements with information provided on another 22 elements. Improvements in analytical methods as well as the application of well-defined quality-control pro...

1989
J. W. Gramlich E. S. Beary L. A. Machlan I. L. Barnes

Twenty-nine samples of high-purity nickel metals, reagent salts and minerals, collected from worldwide sources, have been examined by high-precision isotope ratio mass spectrometry for their nickel isotopic composition. These materials were compared directly with SRM 986, certified isotopie standard for nickel, using identical measurement techniques and the same instrumentation. This survey sho...

2001
Zailong Zhuang Bo Bian Robert M. White David E. Laughlin

The effects of a Pt underlayer and a Pt interlayer on the textured growth of the sputtered strontium ferrite (SrM) films were investigated. The structural and magnetic properties of SrM films on the Pt underlayers were compared with SrM films on thermally oxidized Si substrates. It was found that much better (00 ) texture was obtained on the films with Pt underlayers, as indicated by the strong...

2002
R. B. Washburn M. K. Schneider J. J. Fox MA bob. washburn john. fox

This paper describes a stochastic dynamic programming based approach to solve Sensor Resource Management (SRM) problems such as occur in tracking multiple targets with electronically scanned, multi-mode radar. Specifically, it formulates the SRM problem as a stochastic scheduling problem and develops approximate solutions based on the Gittins index rule. Novel results include a hybrid state sto...

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