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236.189  Articles
1 of 23.620 pages  |  10  records  |  more records»
The purpose of this research was to compare the accuracy of Black-Scholes Opt ionModel and GARCH opt ion models for Stock opt ion ut ilizing data f rom Ast ra, BCA, Indofoodand Telkom at the Indonesian Stock Exchange. The intraday stock return of Astra, B... see more

Lithium-ion battery on-line remaining useful life (RUL) prediction has become increasingly popular. The capacity and internal resistance are often used as the batteries’ health indicator (HI) for quantifying degradation and predicting the RUL. However, th... see more

Promising technological process of strengthening threaded tools joint of a drill string is gasthermalcyclic ion-plasma nitriding. However, the formation of hardened surface layers by the specified process, despite the experience gained, has a some unresol... see more

The purpose of this research was to test the accuracy of GARCH Option Model forpricing stock option contracted on Astra International, BCA, Indofood and Telkom when barrierexisted at The Indonesia Stock Exchange. Utilizing intraday stock movement and stoc... see more

Forecasting stock market returns volatility is a challenging task that has attracted the attention of market practitioners, regulators and academics in recent years. This paper proposes a Fuzzy GJR-GARCH model to forecast the volatility of S&P 500 and Ibo... see more

The present study investigates the variation of Total Electron Content (TEC) using Global Positioning System (GPS) satellites from four equatorial to mid-latitudes stations over a period of one year. The stations are Port Blair (11.63°N, 92.70°E), Agartal... see more

This paper presents the progress in the fields of the modelling and design of lanthanide ion-doped chalcogenide glass fiber lasers. It presents laser cavity designs that have been developed in order to optimize the performance of lanthanide ion-doped chal... see more

In this paper, a novel model parameter identification method and a state-of-charge (SOC) estimator for lithium-ion batteries (LIBs) are proposed to improve the global accuracy of SOC estimation in the all SOC range (0–100%). Firstly, a subregion opt... see more

To improve the use of lithium-ion batteries in electric vehicle (EV) applications, evaluations and comparisons of different equivalent circuit models are presented in this paper. Based on an analysis of the traditional lithium-ion battery equivalent circu... see more

1 of 23.620 pages  |  10  records  |  more records»