Results 1 to 10 of about 18,774 (193)

On the Accuracy of the One-step UKF and the Two-step UKF

open access: yes2022 IEEE 61st Conference on Decision and Control (CDC), 2022
The most accurate version of the unscented Kalman filter (UKF) involves the construction of two ensembles. To reduce computational cost, however, UKF is often implemented without the second ensemble. This simplification comes at a price, however, since, for linear systems, the one-step variation of the two-step UKF does not specialize to the classical ...
Goel, Ankit, Bernstein, Dennis S.
openaire   +2 more sources

Adaptive IMM-UKF for Airborne Tracking

open access: yesAerospace, 2023
In this paper, we propose a nonlinear tracking solution for maneuvering aerial targets based on an adaptive interacting multiple model (IMM) framework and unscented Kalman filters (UKFs), termed as AIMM-UKF. The purpose is to obtain more accurate estimates, better consistency of the tracker, and more robust prediction during sensor outages.
Arroyo Cebeira, Álvaro   +1 more
openaire   +3 more sources

MISSILE POSITION ESTIMATION USING UNSCENTED KALMAN FILTER

open access: yesBarekeng, 2022
Missiles are military rocket weapons having an automatic control system to locate its targets or adjust its direction. Indonesia itself, which is a country of archipelago, covers air area of its largest territory, followed by sea area and land area ...
Teguh Herlambang, Subchan Subchan
doaj   +1 more source

Laryngeal ectopic tonsil as a cause of dysphonia: A case report

open access: yesOtolaryngology Case Reports, 2020
Ectopic tonsils have been described in a number of anatomic locations in the head and neck; the pathophysiology remains unclear. Given the rarity of these lesions, there are no guidelines regarding treatment.We present a case report of lymphoid nodule ...
Fabrizio Bandino   +3 more
doaj   +1 more source

Filtering performance analyizing for Relative Navigation using Single Difference Carrier-Phase GPS [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2008
Satellite formation flying can provide the platform for interferometric observation to acquire the precise data and ensure the flexibility for space mission.
In-Kwan Park   +4 more
doaj   +1 more source

Comparisons of nonlinear estimators for wastewater treatment plants [PDF]

open access: yes, 2012
This paper deals with five existing nonlinear estimators (filters), which include Extended Kalman Filter (EKF), Extended H-infinity Filter (EHF), State Dependent Filter (SDF), State Dependent H-Infinity Filter (SDHF) and Unscented Kalman Filter (UKF ...
Abdul Wahab, Hamimi Fadziati Binti   +2 more
core   +1 more source

Drone Tracking Using an Innovative UKF [PDF]

open access: yes, 2017
This paper addresses the drone tracking problem, using a model based on the Frenet-Serret frame. A kinematic model in 2D, representing intrinsic coordinates of the drone is used. The tracking problem is tackled using two recent filtering methods. On the one hand, the Invariant Extended Kalman Filter (IEKF), introduced in [1] is tested, and on the other
Marion Pilté   +2 more
openaire   +1 more source

Statistical Modelling of Cell Movement [PDF]

open access: yes, 2017
In this paper we demonstrate an application of the unscented Kalman filter in the context of cell movement, using a model defined in terms of stochastic differential equations (SDEs)
Giurghita, Diana, Husmeier, Dirk
core   +2 more sources

Sun-Direction Estimation Under the Effect of Lunar Albedo

open access: yesHavacılık ve Uzay Teknolojileri Dergisi, 2022
Spacecraft or the instruments are directed to certain directions or points in order to successfully complete their mission. Solar sensors are commonly used as they are capable of being used in planetary or interplanetary space missions in the solar ...
Demet Çilden Güler
doaj  

Model Prediction-Based Approach to Fault Tolerant Control with Applications [PDF]

open access: yes, 2013
— Fault-tolerant control (FTC) is an integral component in industrial processes as it enables the system to continue robust operation under some conditions.
Khalid, Dr. Haris M.   +1 more
core   +1 more source

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