Results 11 to 20 of about 1,063,307 (308)
On the Dispersion Measures of Complex Uncertain Random Variables
IEEE Access, 2020 In probability theory, variance is a device to measure dispersion of random variable from its mean. In order to explain complex uncertain random variable,variance and pseudo-variance are provided.
Guangquan Cheng +2 more
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Advances in Difference Equations, 2021 This paper deals with the finite time stability and control for a class of uncertain variable fractional order nonlinear systems. The variable fractional Lyapunov direct method is developed to provide the basis for the stability proof of the system ...
Jingfei Jiang +4 more
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Variance of uncertain random variables [PDF]
Journal of Uncertainty Analysis and Applications, 2014 Uncertain random variable is developed to describe the phenomenon which mixes uncertainty with randomness. The variance of uncertain random variable may provide a degree of the spread of the distribution around its expected value. This paper presents a formula to obtain the variance of uncertain random variable.
Guo, Haiying, Wang, Xiaosheng
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Belief Reliability Distribution Based on Maximum Entropy Principle
IEEE Access, 2018 Belief reliability is a new reliability metric based on the uncertainty theory, which aims to measure system performance incorporating the influences from design margin, aleatory uncertainty, and epistemic uncertainty.
Tianpei Zu +3 more
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TMsim : an algorithmic tool for the parametric and worst-case simulation of systems with uncertainties [PDF]
, 2017 This paper presents a general purpose, algebraic tool—named TMsim—for the combined parametric and worst-case analysis of systems with bounded uncertain parameters.The tool is based on the theory of Taylor models and represents uncertain variables on a ...
Manfredi, Paolo +2 more
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A Generalized of Sλ-I-Convergence of Complex Uncertain Double Sequences
Ingeniería y Ciencia, 2021 In this paper, we introduce the λI2 -statistically convergence sequence concepts which are namely λI2 -statistically convergence almost surely (Sλ(I2) a.s.), λI2 -statistically convergence in measure, λI2 -statistically convergence in mean, λI2 ...
Carlos Granados
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Optimal Adaptive Robust Pitch Control with Load Mitigation for Uncertain Variable Speed Wind Turbines [PDF]
AUT Journal of Electrical Engineering, 2021 In this paper, an optimal adaptive robust pitch controller is proposed for variable speed wind turbines (VSWTs). The proposed pitch controller has stability analysis, while it simultaneously keeps the generated power of the wind turbine at the rated ...
Sara Majidi, Reza Shahnazi
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Entropy, 2017 This paper aims to develop a risk-free protection index model for portfolio selection based on the uncertain theory. First, the returns of risk assets are assumed as uncertain variables and subject to reputable experts’ evaluations.
Jianwei Gao, Huicheng Liu
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Hibernation Revived by Weak Magnetic Braking [PDF]
, 2006 Cataclysmic variables undergo periodic nova explosions during which a finite mass of material is expelled on a short timescale. The system widens and, as a result, the mass-transfer rate drops.
Martin, Rebecca G., Tout, Christopher A.
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A Risk-Averse Newsvendor Model Under the Framework of Uncertainty Theory
IEEE Access, 2019 Due to the ever-changing and complex market environment, companies frequently face highly uncertain demand where data are so insufficient that the use of random or fuzzy variables, which are typically assumed in the literature, is impractical ...
Shengzhong Zhang +3 more
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