Results 261 to 270 of about 4,498,304 (303)

An Effective Sliding Mode Control Design for a Grid-Connected PUC7 Multilevel Inverter

IEEE transactions on industrial electronics (1982. Print), 2020
This paper proposes an effective sliding mode controller (SMC) for a grid-connected 7-level packed U-cell (PUC7) inverter. The aim is to design a simple controller that deals effectively with the complex control problem of the PUC7 inverter ...
Hamza Makhamreh, M. Trabelsi, Osman Kükrer, H. Abu-Rub   +3 more
semanticscholar   +1 more source

Machine-Learning-Based Hybrid Method for the Multilevel Fast Multipole Algorithm

IEEE Antennas and Wireless Propagation Letters, 2020
In this letter, a hybrid translation computation method for the multilevel fast multipole algorithm (MLFMA) is proposed based on machine learning. The hybrid method combines both generalized regression neural network (GRNN) and artificial neural network (
Jia-Jing Sun, Sheng Sun, Yongpin P. Chen, Lijun Jiang, Jun Hu   +4 more
semanticscholar   +1 more source

Multilevel Optimization Procedure of Composite Structure

1987
We present a multilevel optimization procedure for minimum weight design of composite structures. The optimization process is divided into two levels: system level and component level. In system level the thicknesses of laminated composite plates represent the design variables.
Li Weiji, Sun Baohua
openaire   +1 more source

A Fully Conditional Specification Approach to Multilevel Imputation of Categorical and Continuous Variables

Psychological methods, 2018
Specialized imputation routines for multilevel data are widely available in software packages, but these methods are generally not equipped to handle a wide range of complexities that are typical of behavioral science data.
Craig K. Enders, B. Keller, R. Levy
semanticscholar   +1 more source

Synthesis of Multilevel Structured MoS2@Cu/Cu2O@C Visible-Light-Driven Photocatalyst Derived from MOF–Guest Polyhedra for Cyclohexane Oxidation

, 2020
Selective oxidation of cyclohexane to KA oil (cyclohexanol and cyclohexanone) is one of the most important industrial procedure.
Dandan Peng, Ying Zhang, Guang Xu, Ye Tian, Di Ma, Yao Zhang, P. Qiu   +6 more
semanticscholar   +1 more source

A multilevel training procedure for speech recognition in noise

The Journal of the Acoustical Society of America, 1998
A multilevel training procedure is proposed for automatic speech recognition in noise. In the multilevel training procedure, six levels of Gaussian noise, corresponding to six signal-to-noise ratios (SNR), were added to the training samples. The procedure was tested in three speech recognizers implemented, respectively, on the basis of the following ...
Chin Tuan Tan, Yit Chow Tong, Joseph S. Chang, Lai Peng Chan   +3 more
openaire   +1 more source

Language assessment in persons with aphasia early after thrombolysis: the utility of multilevel procedures of discourse analysis

Aphasiology
Background Clinical guidelines recommend the administration of intravenous recombinant tissue plasminogen activator thrombolytic treatment to persons who suffered ischemic stroke within 4,5 hours since onset.
Sara Andreetta, A. Marini, A. Menichelli, G. Furlanis, E. Vincis, P. Caruso, M. Naccarato, P. Manganotti   +7 more
semanticscholar   +1 more source

MULTIDISCIPLINARY OPTIMIZATION PROCEDURE FOR HIGH SPEED AIRCRAFT USING A SEMI-ANALYTICAL SENSITIVITY ANALYSIS PROCEDURE AND MULTILEVEL DECOMPOSITION

Engineering Optimization, 1996
Abstract A multidisciplinary design optimization procedure is developed for the simultaneous improvement of sonic boom, aerodynamic and structural performance of high speed aircraft. The coupled problem is decomposed into two levels of optimization. At the first level, optimization is performed for simultaneous reduction in sonic boom and improvements ...
N. Pagaldipti, J. Narayan, A. Chattopadhyay   +2 more
openaire   +1 more source

A New Pulse Active Width Modulation for Multilevel Converters

IEEE transactions on power electronics, 2019
This paper proposes a new pulse amplitude width modulation (PAWM) procedure for cascaded H-bridge multilevel inverters fed by dc voltage sources with unequal amplitudes.
C. Buccella, M. G. Cimoroni, M. Tinari, Carlo Cecati   +3 more
semanticscholar   +1 more source

Multilevel Meta-Analysis: A Comparison with Traditional Meta-Analytical Procedures

Educational and Psychological Measurement, 2003
In this article, the authors compare the multilevel meta-analysis approach with the more traditional meta-analytical approaches. After a description and comparison of the under-lying models and some of the major techniques, the results of the multilevel approach are compared with those of the traditional approaches, using a simulation study.
Wim Van Den Noortgate, Patrick Onghena
openaire   +1 more source