Results 1 to 10 of about 2,788,570 (251)

Adaptive Moving Horizon Estimator for Return Flow Rate Estimation using Fluid Levels of a Venturi Channel [PDF]

Modeling, Identification and Control, 2020
Real-time estimation of the return drilling fluid during oil well drilling is investigated in this study. Online fluid level measurements from a Venturi channel which can be placed on the return flowline is used with a model-based estimator.
Asanthi Jinasena, Roshan Sharma
doaj   +1 more source

Adaptive Stochastic Filtration Based on the Estimation of the Covariance Matrix of Measurement Noises Using Irregular Accurate Observations

Inventions, 2021
In measurement systems operating under various disturbances the probabilistic characteristics of measurement noises are usually known approximately. To improve the observation accuracy, a new approach to the Kalman’s filter adaptation is proposed.
Sergey Sokolov, Arthur Novikov, Marianna Polyakova   +2 more
doaj   +1 more source

A DOA and TOA joint estimation algorithm based on deep transfer learning

Electronics Letters, 2023
This letter proposes a direction of arrival (DOA) and time of delay (TOA) joint estimation algorithm with deep transfer learning. Recently deep learning technique has been applied to solve the joint estimation problem by using the pretrained network and ...
Heng Pan, Shuang Wei
doaj   +1 more source

On the Adaptivity of Unscented Particle Filter for GNSS/INS Tightly-Integrated Navigation Unit in Urban Environment

IEEE Access, 2021
Tight integration algorithms fusing Global Navigation Satellite System (GNSS) and Inertial Navigation System (INS) have become popular in many high-accuracy positioning and navigation applications.
Oliviero Vouch, Alex Minetto, Gianluca Falco, Fabio Dovis   +3 more
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Adaptive Output Containment Tracking Control for Heterogeneous Wide-Area Networks with Aperiodic Intermittent Communication and Uncertain Leaders

Sensors, 2023
This paper proposes an adaptive distributed hybrid control approach to investigate the output containment tracking problem of heterogeneous wide-area networks with intermittent communication. First, a clustered network is modeled for a wide-area scenario.
Yanpeng Shi, Jiangping Hu, Bijoy Kumar Ghosh   +2 more
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Cooperative estimation algorithms for multi-sensor networks with imprecise measurements [PDF]

MATEC Web of Conferences, 2022
A cooperative estimation algorithm is proposed for mutli-sensor networks with imprecise measurements caused by electromagnetic interferences, abnormal currents and other faults in the multi-sensor measurement process.
Chen Jianxin, Ren Xinzhuo, Xu Yinfei, Meng Haojie, Zhao Zhenfan, Tang Jijun   +5 more
doaj   +1 more source

Computationally efficient direction of arrival estimation using adaptive grid selection

IET Radar, Sonar & Navigation, 2023
The authors propose a computationally efficient approach to estimate the directions of arrival of far‐field sources impinging on a sensor array. The proposed estimator is formed using a sparse reconstruction framework, employing a novel adaptive grid ...
Yanan Wu, Andreas Jakobsson, Lutao Liu
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A Robust Localization Method for Unmanned Surface Vehicle (USV) Navigation Using Fuzzy Adaptive Kalman Filtering

IEEE Access, 2019
Recently, multi-sensor navigation has emerged as a viable approach in autonomous vehicles' development. Kalman filtering has been widely applied in multi-sensor data fusion, and researchers are trialing variants of the Kalman Filter (KF) to improve the ...
Wenwen Liu, Yuanchang Liu, Richard Bucknall   +2 more
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Optimal temperature and humidity control for autonomous control system based on PSO‐BP neural networks

IET Control Theory & Applications, 2023
In order to solve the problems of difficult control, poor stability, and low control precision in complex autonomous non‐linear systems, and some sensors have non‐linear errors in special environments.
Weibin Wu, Beihuo Yao, Jiaxi Huang, Shunli Sun, Fangren Zhang, Zhaokai He, Ting Tang, Ruitao Gao   +7 more
doaj   +1 more source

Frequency Adaptive Parameter Estimation of Unbalanced and Distorted Power Grid

IEEE Access, 2020
Grid synchronization plays an important role in the grid integration of renewable energy sources. To achieve grid synchronization, accurate information of the grid voltage signal parameters are needed.
Hafiz Ahmed, Mohamed Benbouzid, Mominul Ahsan, Alhussein Albarbar, Mohammad Shahjalal   +4 more
doaj   +1 more source