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Approximation Stability and Boosting
[chapter]
2010
Lecture Notes in Computer Science
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In this paper, we introduce the approximation stability and prove that approximation stability is sufficient for generalization, and sufficient and necessary for learnability of AERM in the general learning ...
We prove that Ad-aBoost has approximation stability and thus has good generalization, and an exponential bound for AdaBoost is provided. ...
The work was supported by the National Science Foundation of China (60635020, 60721002), the National Fundamental Research Program of China (2010CB327903) and the Jiangsu Science Foundation (BK2008018) ...
doi:10.1007/978-3-642-16108-7_9
fatcat:77veyplv3zhi7mpr23u7vqnd2u
Possible Application of the Phytogenic Potential as an Electric Energy Source
2007
Transactions of the Materials Research Society of Japan
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The present paper describes how the potential value can be boosted by the use of special techniques, resulting in a successful boosted potential value of approximately 2.1 V. ...
An electric double layer capacitor was charged with the electricity, and produced a luminescence of the light emission diode for approximately 3 minutes. ...
., Ltd. who was a student in Graduate School of Science and Engineering, Graduate School of Kinki University, for cooperation during the experiments. Thanks are due to Mr. T. Nishikubo and Mr. S. ...
doi:10.14723/tmrsj.32.1029
fatcat:q7wpahf4rjhaldcqukvgiyglbu
Effect of Circuit Parameters on Stability of Voltage-fed Buck-Boost Converter in Discontinuous Conduction Mode
2014
Journal of Electrical Engineering and Technology
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obtained, and the effect of the parameters on the system stability is deeply studied. ...
the voltage-fed buck-boost converter operating in discontinuous conduction mode is made. ...
The methods adopted can be approximately divided into two kinds: numerical method and approximate model analytical method. ...
doi:10.5370/jeet.2014.9.4.1283
fatcat:d2tzqaqclrapliueg42jc7vkoy
Non-Integer Order Approximation of a PID-Type Controller for Boost Converters
2021
Energies
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The fractional-order PID approximation achieves regulation of the output voltage in the boost converter by exhibiting the iso-damping property and using a single control loop, which confirmed its effectiveness ...
The average linear model of the converter is obtained through small-signal approximation. The resulting average linear model is considered divided into minimum and normalized non-minimum phase parts. ...
stage and Luis H. ...
doi:10.3390/en14113153
fatcat:z4vwaed6mfgjlfv36p3lxlrw2q
Model-free control of nonlinear power converters
[article]
2013
arXiv
pre-print
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Our approach, which utilizes "intelligent" PI controllers, does not require any converter model identification while ensuring the stability and the robustness of the controlled system. ...
A new "model-free" control methodology is applied to a boost power converter. ...
Fig. 1 . 1 Boost converter.
Fig. 2 . 2 Tracking and stabilization with a constant output reference. ...
arXiv:1310.2477v1
fatcat:uea3wvt2rzdqxnx6nyyvvdoxj4
Dynamics and control of DC-to-DC converters driving other converters downstream
1999
IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications
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The analysis and design results are verified by both time-and frequencydomain simulations. Index Terms-Distributed-power systems, dynamics of dc-to-dc converters, stability of PWM converters. ...
This paper reveals that the dynamics of a converter loaded with other converters downstream are markedly different from those of a standalone converter and conventional design techniques developed for ...
As for the buck case, it is essential to verify the stability and closed-loop performance, using the negative-resistance approximation for .
IV. ...
doi:10.1109/81.795837
fatcat:42lauitrifcx3h5c4qejga47gq
Fractional-Order Approximation of PID Controller for Buck–Boost Converters
2021
Micromachines
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Viability of a fractional-order proportional–integral–derivative (PID) approximation to regulate voltage in buck–boost converters is investigated. ...
The controller synthesis considers both robustness and closed-loop performance to ensure a fast and stable regulation characteristic. ...
Acknowledgments: The authors would like to thank CONACYT México for catedras 6782, 4155 and Josué Soto-Vega's M. Sc. scholarship.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/mi12060591
pmid:34063909
fatcat:hnqlecy4r5gipicxuhud5gqtta
Nonlinear Stabilization Controller for the Boost Converter with a Constant Power Load in Both Continuous and Discontinuous Conduction Modes
2021
Micromachines
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A stability analysis based on a common-Lyapunov function is provided, and numerical and experimental tests are presented to show the proposal's effectiveness. ...
Since the open-loop dynamics of the proposed CPL model is unstable, a nonlinear control law capable of stabilizing the boost converter regardless of the conduction mode is proposed. ...
approximately 72% destabilizes the converter with a CPL; even worse, even if the active cycle increases again, stability cannot be recovered. ...
doi:10.3390/mi12050522
pmid:34066329
fatcat:433pvled5fbmrct26zk2zm5cfu
Component-wise gradient boosting and false discovery control in survival analysis with high-dimensional covariates
2015
Bioinformatics
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This article develops a computationally feasible method based on boosting and stability selection. ...
Specifically, we modified the component-wise gradient boosting to improve the computational feasibility and introduced random permutation in stability selection for controlling false discoveries. ...
Finally, the proposed boosting method with stability selection and permutation (S-Boosting-2) further reduces the FPs and it outperforms S-Boosting-1. ...
doi:10.1093/bioinformatics/btv517
pmid:26382192
pmcid:PMC4757968
fatcat:npuzbntxvzg3rmc6432qk4lyhe
Low-Frequency Characterization of Switched dc-dc Converters
1973
IEEE Transactions on Aerospace and Electronic Systems
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Averaging techniques are developed to represent buck, boost, and buck-boost types of switched dc-dc converters by approximate continuous models. ...
Responses from analog computer simulations of the switched and averaged power stages agree well and, in turn, confirm the analytic predictions. ...
Analysis of continuous models which approximate the behavior of switched converters reveals several interesting characteristics, including, for boost and buck-boost power stages, the modification of effective ...
doi:10.1109/taes.1973.309723
fatcat:qys2e7lowrdntklqg6hjmojgey
Generating highly accurate prediction hypotheses through collaborative ensemble learning
2017
Scientific Reports
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Here we describe an effective way to fuse boosting and bagging ensembles in which algorithmic stability directs a novel process of collaboration between the resulting ensemble's weak/strong components ...
that outperforms best-case boosting/bagging for a broad range of applications and under a variety of scenarios. ...
Acknowledgements This work was supported by the Faculty of Computer Science and Engineering, S.s. Cyril and Methodius University, Skopje, Macedonia. ...
doi:10.1038/srep44649
pmid:28304378
pmcid:PMC5356335
fatcat:kymz6d7fofcnnfs3gtjwxjse5u
Flatness-Based Decentralized Adaptive Backstepping Control of Cascaded DC–DC Boost Converters Using Legendre Polynomials
2020
Journal of Control Automation and Electrical Systems
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First, a cascaded boost converter average model that covers both continuous and discontinuous conduction modes is extracted. ...
In this paper, decentralized adaptive backstepping control of cascaded DC-DC boost converters is studied in the presence of load and voltage uncertainties and interactions between the converters. ...
In Zhang et al. (2017) , bifurcation phenomena and stability regions of the cascaded boost converters are investigated. ...
doi:10.1007/s40313-020-00622-8
fatcat:ns2oyf4aq5ekvdc2s3eoakjkkq
Comparative study of controllers for switch power converters using Pspice
IJARCCE - Computer and Communication Engineering
2015
IARJSET
IJARCCE - Computer and Communication Engineering
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The converters selected for study are Buck,Boost,Buck and boost type both in VM and CM. ...
Small signal model is prepared for all the types mentioned above and Bode's plot is drawn followed by stability analysis based on GM and PM. The software used for same purpose is Orcad capture Pspice. ...
approximation. ...
doi:10.17148/iarjset.2015.2109
fatcat:mwqdos6jhrbzxp5dbzzxfiap3m
Non-contact voltage relay for switching windings of a boost transformer
2019
E3S Web of Conferences
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The change of energy parameters of the proposed stabilizer depending on the voltage is given. ...
An analytical study of a non-autonomous nonlinear dynamic circuit, which is the basis of the proposed device and the characteristics uc = f t required for switching the thruster is presented. ...
Fig. 8 . 8 Characteristics of the dependence of cos and the coefficient of performance of the boost voltage transformer
© The Authors, published by EDP Sciences. ...
doi:10.1051/e3sconf/201913901079
fatcat:i27hxzcvbnaodixrkkmjkz23ti
EM and component-wise boosting for Hidden Markov Models: a machine-learning approach to capture-recapture
[article]
2016
biorxiv/medrxiv
pre-print
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I discuss the philosophical similarities between boosting and AIC model-selection, and show through simulations that a boosted Cormack-Jolly-Seber model often out-performs AICc methods, in terms of estimating ...
This new boosted CMR framework is highly extensible and could provide a rich, unified framework for addressing many topics in CMR, such as non-linear effects (splines and CART-like trees), individual-heterogeneity ...
I suggest enhancing CJSboost with stability selection to approximate Bayesian inclusion probabilities. 828 Stability Selection. ...
doi:10.1101/052266
fatcat:sm5uhncc5bcdfkan3gcph25b2q
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