نتایج جستجو برای: ukf

تعداد نتایج: 586  

2013
Jannik Steinbring Uwe D. Hanebeck

An accurate Linear Regression Kalman Filter (LRKF) for nonlinear systems called Smart Sampling Kalman Filter (S2KF) is introduced. It is based on a new low-discrepancy Dirac Mixture approximation of Gaussian densities. The approximation comprises an arbitrary number of optimally and deterministically placed samples in the entire state space, so that the filter resolution can be adapted to eithe...

2013
M. Mysorewala L. Cheded A. Qureshi

This work proposes a novel application of existing powerful nonlinear filters, such as the standard Extended Kalman Filter (EKF), some of its variants and the standard Unscented Kalman Filter (UKF), to the estimation of a continuous spatio-temporal field that is spread over a wide area, and hence represented by a large number of parameters when parameterized. We couple these filters with the po...

2014
Yuhe Shi

Under high dynamic situation, the typical GPS carrier tracking loop cannot guarantee a reliable tracking. In this paper an improved high dynamic carrier tracking method based on unscented Kalman filter is presented, a rapid frequency traction method is adopted to ensure that the filter can convergence quickly, and joining a carrier amplitude estimation method. The U.S Jet Propulsion Laboratory ...

Todays, use of combination of two or more methods was considered to control of systems. In this paper ispresented how to design of a nonlinear H∞ (NL-H∞) controller for flexible joint robot (FJR) based on boundedUKF state estimator. The UKF has more advantages to standard EKF such as low bios and no need toderivations. In this research, based on spong primary model for FJRs, same as rigid robot...

حمید گازرپور سیدامیررضا روغن گیر محمد علی امیری آتشگاه,

با اتصال عمیق یک (UKF) این پژوهش به تخمین مدار یک ماهواره نوعی با استفاده از فیلتر کالمن خنثی در حلقه آن م یپردازد. در این راستا، ابتدا مدار ماهواره با لحاظ کردن اثرات ناهمگونی GNSS مشاهده گر با UKF زمین شبی هسازی شده و اثرات تغییرات زمانی مدار نیز در حلقه تخمین اعمال گردید. سپس الگوریتم استفاده از مدل غیرخطی دینامیک مداری، پیشبینی اولیه را انجام می دهد. در ادامه با استفاده از یک و سیستم فضایی ...

Journal: :Fuel 2021

The performance of the selective catalytic reduction (SCR) system has been confirmed to be distinctly affected by hydrothermal aging fault. In this paper, an observer based on Unscented-Kalman-Filter (UKF) algorithm theory is designed identify states so that SCR can more accurately and efficiently diagnosed fault-tolerant controlled. Furthermore, a model reference adaptive controller (MRAC) Lya...

Journal: :The Journal of Urology 2021

You have accessJournal of UrologyPenile & Testicular Cancer I (MP40)1 Sep 2021MP40-09 MOLECULAR ASPECTS OF RESISTANCE TO CISPLATIN AND OSIMERTINIB IN PENILE CANCER Anita Thomas, Olesya Vakhrusheva, Martin MIchaelis, Jindrich Cinatl, Florian Rothweiler, Maarten Albersen, Axel Haferkamp, Eva Jüngel, and Igor Tsaur ThomasAnita Thomas More articles by this author , VakhrushevaOlesya Vakhrusheva MIc...

Journal: :Batteries 2023

Electric vehicles (EVs) have emerged as a promising solution for sustainable transportation. The high energy density, long cycle life, and low self-discharge rate of lithium-ion batteries make them an ideal choice EVs. Recently, these been prone to faster decay in life span, leading sudden failure the battery. To avoid uncertainty among EV users with battery failures, robust health monitoring p...

Journal: :IEEE Sensors Journal 2021

We investigate indoor human multi-target tracking in cartesian coordinates based on range, Doppler and Angle-of-Arrival measurements obtained with a four-antenna passive bistatic radar capturing 802.11ax Wi-Fi signals. A reference antenna selection method is described to perform angle processing correctly when dealing target detection diversity among antennas. The performed by an Unscented Kalm...

Journal: :IEEE Transactions on Industrial Electronics 2021

Parasitic capacitance has a considerable impact on conductive electromagnetic interference (EMI), especially the common mode (CM) noise. In vehicular applications, such as more electric aircraft and electrical vehicles, value of CM stray can vary during drive cycle, due to some change in environmental, operating conditions, resulting fluctuations EMI level. Designing filters according potential...

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