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Various types of Wind Generator Systems and Their Comparisons
2018
International Journal for Research in Applied Science and Engineering Technology
In many wind farm wind energy converter using Synchronous generator and Induction generator are used. ...
In case of Induction type wind energy converter reactive power management in cost effective way is essential. ...
Limited Variable Speed Concept Using A Multistage Gearbox Figure: 2. ...
doi:10.22214/ijraset.2018.3627
fatcat:awuptnbvkbdmbjyllmj2fmkrxi
Multistage Spectral Relaxation Method for Solving the Hyperchaotic Complex Systems
2014
The Scientific World Journal
In this new application, the MSRM is used to solve famous hyperchaotic complex systems such as hyperchaotic complex Lorenz system and the complex permanent magnet synchronous motor. ...
The proposed method, called the multistage spectral relaxation method (MSRM) is based on a technique of extending Gauss-Seidel type relaxation ideas to systems of nonlinear differential equations and using ...
If the current in the system (19) is plural and the variables 1 , 2 in the system (20) are complex numbers, by changing cross coupled terms 1 and 2 to conjugate form, Wang permanent magnet synchronous ...
doi:10.1155/2014/943293
pmid:25386624
pmcid:PMC4216706
fatcat:dcx6szh6ffbmbkwanjkff574f4
Overview of different wind generator systems and their comparisons
2008
IET Renewable Power Generation
In many wind farm wind energy converter using Synchronous generator and Induction generator are used. ...
In case of Induction type wind energy converter reactive power management in cost effective way is essential. ...
The power is dissipated in the external resistor. 2) A typical limited variable speed range is less than 10% above the synchronous speed. ...
doi:10.1049/iet-rpg:20070044
fatcat:5am2tojxxre6fpsfocxlcqafie
MTBF Bounds for Multistage Synchronizers
2013
2013 IEEE 19th International Symposium on Asynchronous Circuits and Systems
In this paper, we review published analytical models for MTBF calculations of multistage synchronizers. ...
In order to enable reliable synchronization, the synchronizer MTBF (Mean Time Between Failures) should be much longer than the product lifetime. ...
In particular, the number of synchronizers in a design is growing rapidly, the variability of semiconductor parameters is troubling as is the sensitivity to operational conditions. ...
doi:10.1109/async.2013.18
dblp:conf/async/BeerCCZ13
fatcat:cex4ap255jgdhpze3b2kuvxtjm
Variable Speed DC Generator Voltage Control using a Multistage Comparator
2021
Journal of Electrical, Electronic, Information, and Communication Technology
DC generator with variable rotation will produce uncontrolled voltage, causing problems in its utilization. ...
In this study, it is proposed to develop a voltage control on the generator, in order to produce a fairly controllable and reliable voltage, with an analog circuit using a multistage comparator. ...
The final result of the performance of a DC generator with variable rotation with AVR with a multistage comparator is given in Fig. 8 . ...
doi:10.20961/jeeict.3.1.50430
fatcat:4yiqkxowinfcranm5jq3bfxmka
Multiuser detection in multipath environments for variable spreading-factor CDMA systems
2001
IEEE Transactions on Communications
A way to allow variable data rates in CDMA is by varying the spreading factor in accordance with the data rate requested by the user. ...
Index Terms-CDMA, intersymbol interference, multiuser detection, variable rate. ...
Energy-Add Multistage Detection Method The energy-add detection method has been introduced in [13] and its applicability to a variable-SF synchronous CDMA system in multipath channel is straightforward ...
doi:10.1109/26.950338
fatcat:uai25223yndbrpl7bwndwpgura
Page 12 of Aerospace Engineering Vol. 19, Issue 12
[page]
1960
Aerospace Engineering
The nomograph obtained for equations of three variables generally results in three arbitrarily curved scales U’, V, and W, as shown in Sketch A. ...
Unfortunately, however, the simplest means of presentation (that of plotting a parameter in terms of one independent variable over a range of assumed values for another parameter) is inadequate because ...
Introducing a Multithread and Multistage Mechanism for the Global Load Balancing Library of X10
2016
Journal of Information Processing
Load balancing is a major concern in massively parallel computing. ...
This study proposes a multistage mechanism for GLB to assign execution stages to tasks and introduces a multithread design into GLB to allow efficient data sharing between CPU cores. ...
These threads are notified of the termination of GLB (or notified of stage transitions in the multistage version) by communicator threads via shared memory variables. ...
doi:10.2197/ipsjjip.24.416
fatcat:psm3rg52prgidlkhcm4v42tvi4
A parallel Branch-and-Fix Coordination based matheuristic algorithm for solving large sized multistage stochastic mixed 0–1 problems
2017
European Journal of Operational Research
A parallel matheuristic algorithm is presented as a spin-off from the exact Branch-and-Fix Coordination (BFC) algorithm for solving multistage stochastic mixed 0-1 problems. ...
The instances dimensions that are considered are up to two orders of magnitude larger than in some other works that we are aware of. ...
Acknowledgements This research has been partially supported by: Bizkaia Talent and European Commission through the COFUND programme, awarded in the 2015 Aid Programme for Researchers with request reference ...
doi:10.1016/j.ejor.2016.08.072
fatcat:t4b2arfeevdn5gkkxvjqzibpyu
Asynchronous CDMA Systems With Random Spreading—Part II: Design Criteria
2010
IEEE Transactions on Information Theory
The performance in terms of SINR is derived in the large-system limit and the performance improvement over synchronous systems is quantified. ...
The focus of Part II is the design of low-complexity implementations of linear multiuser detectors in systems with many users that admit a multistage representation, e.g. reduced rank multistage Wiener ...
Additionally, assume that the random variables λ and τ in F |A| 2 , e T (λ, τ ) are statistically independent and the random variable τ is uniformly distributed. ...
doi:10.1109/tit.2010.2040898
fatcat:mf5esscpofevdl23qan3ehtgyy
Near-optimal multiuser detection in synchronous CDMA using probabilistic data association
2001
IEEE Communications Letters
A Probabilistic Data Association (PDA) method is proposed in this letter for multiuser detection over synchronous code-division multiple-access (CDMA) communication channels. ...
PDA models the undecided user signals as binary random variables. ...
The Basic Algorithm In the CDMA system model (3) , we treat the decision variables as binary random variables. ...
doi:10.1109/4234.951377
fatcat:cugnnwx6bzectmqchqqvr2grva
Design Optimization of a Multistage Axial Flow Compressor Based on Full-Blade Surface Parameterization and Phased Strategy
2021
International Journal of Aerospace Engineering
the field of multistage axial flow compressor aerodynamic optimization. ...
A new design optimization method is proposed for the problem of high-precision aerodynamic design of multistage axial compressors. ...
The phased optimization strategy based on the "synchronous change in multirow blades" can play a practical role in the aerodynamic optimization of multistage axial compressors for the following two reasons ...
doi:10.1155/2021/5583681
doaj:1d383e1eef544c74b3c18227f54988b2
fatcat:tf7v66s6z5atpoihu3jimuxm7a
Page 690 of British Journal of Clinical Pharmacology Vol. 4, Issue 6
[page]
1977
British Journal of Clinical Pharmacology
can be variable. ...
However, in this test situation the Ventolin Inhaler is discharged into. a continuous airstream unlike the clinical situation where correct synchronization of actuation of the aerosol with brief inspiration ...
A Novel Method of Realizing Stochastic Chaotic Secure Communication by Synchrosqueezed Wavelet Transform: The Finite-time Case
2021
IEEE Access
However, in secure communication process, we want to synchronize chaotic systems as quickly as possible. Just as pointed out in [9], if ...
A new chaotic system without linear term and its impulsive synchronization is introduced in [8]. Exponential synchronization of this new chaotic system is applied to secure communication in [3] . ...
Time responses of the error variables under the controller.
FIGURE 2 . 2 FIGURE 2. Diagram of multistage chaotic secure communication system based on SWT. ...
doi:10.1109/access.2021.3087236
fatcat:mgfaebgf3zbpxip2ss3bqvcnku
Reducing the Effect of Hot Spots by Using a Multipath Network
1993
1993 International Conference on Parallel Processing - ICPP'93 Vol1
., a system with 2 6 to 2 16 processors) is a buffered packet-switched multistage interconnection network (MIN). ...
However, this uniform traffic model does not capture the effect of traffic requests to a single shared variable, for instance, when the shared variable is used for interprocess synchronization, e.g., a ...
When M] is accepted by the parent node A, the synchronization messages enqueued in other subtrees (e.g., in nodes C and F) will be delayed by one cycle. ...
doi:10.1109/icpp.1993.157
dblp:conf/icpp/WangSNA93
fatcat:chulynyxnjcqfnl6ay4yqsusdm
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