Results 31 to 40 of about 1,131,580 (326)

Collaborative Estimation of State and Guidance Parameter for Interceptor Based on Variational Bayesian Technique

IEEE Access, 2020
In this paper, we study the state estimation problem with an unknown guidance parameter of the interceptor, where the guidance parameter is modeled by normal-gamma distribution.
Haoshen Lin, Xin Zhao, Zhenhua Li, Chen Hu, Xibin An   +4 more
doaj   +1 more source

Research on parameter estimation methods of fatigue life distribution model of automotive chassis parts

Advances in Mechanical Engineering, 2022
The reliability assessment of fatigue life of automotive chassis parts is an important part of automobile safety. The fatigue endurance tests of automotive half-axles were carried out.
Yidong Wu, Nini Li, Yihan Liu, Liqun Tang, Wei Cao   +4 more
doaj   +1 more source

Bias adjustment of infrared-based rainfall estimation using Passive Microwave satellite rainfall data [PDF]

, 2017
This study explores using Passive Microwave (PMW) rainfall estimation for spatial and temporal adjustment of Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks-Cloud Classification System(PERSIANN-CCS).
Adler, Barret, Behrangi, Behrangi, Calheiros, Chen, Ciach, Ferraro, Griffith, Hong, Huffman, Joyce, Joyce, Kidd, Kidd, Krajewski, Kuligowski, Kuligowski, Kummerow, Lin, Marzano, Piman, Rosenfield, Scofield, Tapiador, Todd, Vicente, Weng, Wu, Zhang   +29 more
core   +1 more source

A Novel Method of Statistical Line Loss Estimation for Distribution Feeders Based on Feeder Cluster and Modified XGBoost

Energies, 2017
The estimation of losses of distribution feeders plays a crucial guiding role for the planning, design, and operation of a distribution system. This paper proposes a novel estimation method of statistical line loss of distribution feeders using the ...
Shouxiang Wang, Pengfei Dong, Yingjie Tian   +2 more
doaj   +1 more source

A Novel Multi-Area Distribution State Estimation Approach for Active Networks

Energies, 2021
This paper presents a hierarchically distributed algorithm for the execution of distribution state estimation function in active networks equipped with some phasor measurement units.
Mohammad Gholami, Ali Abbaspour Tehrani-Fard, Matti Lehtonen, Moein Moeini-Aghtaie, Mahmud Fotuhi-Firuzabad   +4 more
doaj   +1 more source

Nonlinear tube-fitting for the analysis of anatomical and functional structures

, 2011
We are concerned with the estimation of the exterior surface and interior summaries of tube-shaped anatomical structures. This interest is motivated by two distinct scientific goals, one dealing with the distribution of HIV microbicide in the colon and ...
Caffo, Brian, Crainiceanu, Ciprian, Du, Yong, Goldsmith, Jeff, Hendrix, Craig, Reich, Daniel   +5 more
core   +1 more source

Extension of the SAEM algorithm for nonlinear mixed models with two levels of random effects [PDF]

, 2008
This article focuses on parameter estimation of multi-levels nonlinear mixed effects models (MNLMEMs). These models are used to analyze data presenting multiple hierarchical levels of grouping (cluster data, clinical trials with several observation ...
Panhard, Xavière, Samson, Adeline
core   +5 more sources

Unscented Kalman Filter-Based Battery SOC Estimation and Peak Power Prediction Method for Power Distribution of Hybrid Electric Vehicles

IEEE Access, 2018
State of Charge (SOC) is a key parameter for battery management and vehicle energy management. Recently used SOC estimation methods for lithium-ion battery for vehicles have problems of too simple a base model for the battery and large sampling noise in ...
Weida Wang, Xiantao Wang, Changle Xiang, Chao Wei, Yulong Zhao   +4 more
doaj   +1 more source

Three-Phase State Estimation of a Low-Voltage Distribution Network with Kalman Filter

Energies, 2021
The state estimation of distribution networks has long been considered a challenging task for the reduced availability of real-time measures with respect to the transmission network case.
Fabio Napolitano, Juan Diego Rios Penaloza, Fabio Tossani, Alberto Borghetti, Carlo Alberto Nucci   +4 more
doaj   +1 more source

Maximum Likelihood Estimation of Triangular and Polygonal Distributions

, 2016
Triangular distributions are a well-known class of distributions that are often used as elementary example of a probability model. In the past, enumeration and order statistic-based methods have been suggested for the maximum likelihood (ML) estimation ...
McLachlan, Geoffrey J, Nguyen, Hien D
core   +1 more source