Results 21 to 30 of about 147,124 (262)

A Class of Estimators for Estimating the Variance of the Ratio Estimator

open access: yesJOURNAL OF THE JAPAN STATISTICAL SOCIETY, 2004
Summary: We have proposed a class of estimators for the variance of the ratio estimator which includes two standard estimators \(V_0\), \(V_2\) and the estimators \(V_H\) and \(V_3\) suggested by \textit{R. M. Royall} and \textit{K. R. Eberhardt} [Sankya, Ser. C 37, 43--52 (1975; Zbl 0335.62007)] and \textit{C. F.
Upadhyaya, Lakshmi N.   +2 more
openaire   +3 more sources

Development and testing of a soot particle concentration estimator using Lagrangian post-processing

open access: yesEngineering Applications of Computational Fluid Mechanics, 2018
Soot emissions from combustion devices are known to have harmful effects on the environment and human health. As the transportation industry continues to expand, the development of techniques to reduce soot emissions remains a significant goal of ...
Raymond Alexander   +3 more
doaj   +1 more source

Design, Development and Implementation of the Position Estimator Algorithm for Harmonic Motion on the XY Flexural Mechanism for High Precision Positioning

open access: yesSensors, 2020
This article presents a novel concept of the position estimator algorithm for voice coil actuators used in precision scanning applications. Here, a voice coil motor was used as an actuator and a sensor using the position estimator algorithm, which was ...
Mahesh Shewale   +3 more
doaj   +1 more source

Stabilization of the GLV System with Asymptotically Unbounded External Disturbances

open access: yesMathematics, 2023
This paper investigates the stabilization of the generalized Lotka–Volterra (GLV) biological model, which is affected by the asymptotically unbounded external disturbances, and presents some new results.
Zhi Liu, Rongwei Guo
doaj   +1 more source

Linearized Discrete Charge Balance Control with Simplified Algorithm for DCM Buck Converter

open access: yesEnergies, 2019
In this paper, a linearized discrete charge balance (LDCB) control strategy is proposed for buck converter operating in discontinuous conduction mode (DCM).
Run Min   +4 more
doaj   +1 more source

Robust Estimators for the Correlation Measure to Resist Outliers in Data

open access: yesJournal of Mathematical and Fundamental Sciences, 2016
The objective of this research was to propose a composite correlation coefficient to estimate the rank correlation coefficient of two variables. A simulation study was conducted using 228 situations for a bivariate normal distribution to compare the ...
Juthaphorn Sinsomboonthong
doaj   +1 more source

VISSIM Based Traffic Flow Simulation Analysis on Road Network [PDF]

open access: yesE3S Web of Conferences
The urban transport system is a heterogeneous system and is in serious trouble. Traffic congestion has become a major socio-economic problem in both urban and rural areas.
Prakash Akula   +4 more
doaj   +1 more source

A Consistent Estimator of Nontrivial Stationary Solutions of Dynamic Neural Fields

open access: yesStats, 2021
Dynamics of neural fields are tools used in neurosciences to understand the activities generated by large ensembles of neurons. They are also used in networks analysis and neuroinformatics in particular to model a continuum of neural networks.
Eddy Kwessi
doaj   +1 more source

A Survey on Vision Navigation Methods for UAV Navigation Applications [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2017
Inertial navigation system error increases due to sensor errors with the increase intime. Usually, to prevent the growth of navigation system error, inertial navigationsystems are integrated with sensors or auxiliary systems. The importantly aided system
Masoud Ebrahimi Kachoie   +2 more
doaj  

Position and Speed Control of Brushless DC Motors Using Sensorless Techniques and Application Trends

open access: yesSensors, 2010
This paper provides a technical review of position and speed sensorless methods for controlling Brushless Direct Current (BLDC) motor drives, including the background analysis using sensors, limitations and advances.
Jaime Gómez-Gil   +2 more
doaj   +1 more source

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