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Lithium-ion batteries (LIBs) are widely used as energy storage devices. Accurately estimating the state of charge (SOC) is critical for safe operation LIBs, but complex internal characteristics LIBs make this a difficult task. In study, an algorithm called BPNN-UKF, which combines backpropagation neural network (BPNN) and unscented Kalman filtering (UKF), proposed. First, fusion model construct...
هدف از انجام این پروژه بهبود عملکرد یک موشک آشیانه یاب غیر فعال برد کوتاه می باشد. برای انجام این کار حالت های مورد نیاز در پیاده سازی قانون هدایت و هدایت فاز انتهایی، که قابل اندازه گیری مستقیم در این نوع موشک ها نیستند (نظیر فاصله از هدف و سرعت نزدیک شدن به هدف) به کمک فیلترهای غیر خطی تخمین زده می شوند. این کار در گذشته با استفاده از فیلتر کالمن توسعه یافته و اندازه گیری زاویه افق دید انجا...
An equivalent circuit model of dual polarization (DP) lithium battery was established according to the application characteristics under standby condition 5G base station. On basis model, recursive least square method with forgetting factor (RLS) used identify parameters. Finally, Unscented Kalman filtering (UKF) estimate SOC in real time identified The simulation and experimental results showe...
Global Navigation Satellite System (GNSS) has been widely utilized as a navigation solution for mobile vehicle, yet stand-alone GNSS is unable to achieve sufficient accuracy in some applications. For example, aquatic environment, the position of Unmanned Surface Vehicle (USV) affected by wind, current, and waves dynamics. In this case, integration Inertial Measurement Unit (IMU) an approach tha...
This paper addresses the problem of state estimation for nonlinear systems by means of the unscented Kalman filter (UKF). Compared to the traditional extended Kalman filter, the UKF does not require the local linearization of the system equations used in the propagation stage. Important results using the UKF have been reported recently but in every case the system equations used by the filter w...
Localization via Radio Frequency Identification (RFID) is frequently used in different applications nowadays. It has the advantage that next to its ostensible purpose of identifying objects via their unique IDs it can simultaneously be used for the localization of these objects. In this work it is shown how Received Signal Strength Indicator (RSSI) measurements at different antennae of a passiv...
BACKGROUND The emergence of the role of microRNAs (miRNAs) in exacerbating drug resistance of tumours is recently being highlighted as a crucial research field for future clinical management of drug resistant tumours. The purpose of this study was to identify dys-regulations in expression of individual and/or networks of miRNAs that may have direct effect on neuroblastoma (NB) drug resistance. ...
In this paper, an approach is proposed for relative state estimation for satellites in formation flying. To estimate the relative states of two satellites, the Kalman Filter algorithms (EKF, UKF) are adopted with the relative range and range rate between two satellites and attitude of a satellite as measurement variables. In case that the initial state and measurements errors are moderate, both...
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