Results 21 to 30 of about 30,531,215 (308)

Reliability Modeling of PV Systems Based on Time-Varying Failure Rates

open access: yesIEEE Access, 2020
The penetration of photovoltaic (PV) systems in power grids has substantially increased since the recognition of renewable energies. In a high solar-integrated network environment, an accurate forecast of the expected solar energy output is vital. One of
Hamza Abunima, Jiashen Teh
doaj   +1 more source

Outage analysis of OTFS system over time-varying and block time-varying Rician fading channels

open access: yesResults in Engineering
Orthogonal Time Frequency Space (OTFS) modulation is a potential radio interface technique for integrated terrestrial and non-terrestrial networks due to its resilience against severe Doppler spread and high carrier frequency offsets.
Vangara Saiprudhvi   +1 more
doaj   +1 more source

On the relationship between nonlinear and linear differential systems

open access: yes上海师范大学学报. 自然科学版, 2015
In this article, we establish the relationship between the quadratic time-varying differential systems and the linear systems, giving the sufficient conditions for the quadratic systems to have the reflecting function in the form of fractional function ...
ZHOU Zhengxin   +4 more
doaj   +1 more source

On the stability of nonlinear time-varying systems [PDF]

open access: yesIEEE Transactions on Automatic Control, 1973
Concerning the absolute stability of a nonlinear time-varying feedback system, an important correction to the results of the author [1] is presented.
openaire   +2 more sources

Time-varying Lense–Thirring system [PDF]

open access: yesClassical and Quantum Gravity, 2008
We consider bound geodesic orbits of test masses in the exterior gravitational field of a rotating astronomical source whose proper angular momentum varies linearly with time. The linear perturbation approach of Lense and Thirring is herein extended to the nonstationary case.
Chicone, Carmen Charles   +1 more
openaire   +2 more sources

Fault detection for stochastic time-varying systems based on adaptive disturbance rejection observers

open access: yes工程科学学报
The scale and complexity of modern industrial systems, along with their construction and operational costs, are continuously increasing, making the reliability and safety of equipment operation extremely critical.
Wenli ZHANG, Anning LIU, Jiantao SHI
doaj   +1 more source

State-space estimation of spatially dynamic room impulse responses using a room acoustic model-based prior

open access: yesFrontiers in Signal Processing
Room impulse responses (RIRs) between static loudspeaker and microphone locations can be estimated using a number of well-established measurement and inference procedures.
Kathleen MacWilliam   +4 more
doaj   +1 more source

SELF ORGANIOZING FUZZY CONTROLLER FOR A NONLINEAR TIME VARYING SYSTEM

open access: yesJournal of Engineering, 2006
This paper proposes a self organizing fuzzy controller as an enhancement level of the fuzzy controller. The adjustment mechanism provides explicit adaptation to tune and update the position of the output membership functions of the fuzzy controller ...
Omar W. Abdul-Wahab
doaj   +1 more source

Input-to-state stability for parameterized discrete-time time-varying nonlinear systems with applications

open access: yes, 2005
Input-testate stability (ISS) of a parameterized familyof discrete-time time-varying nonlinear systems isinvestigated. A converse Lyapunov theorem for such systems is developed.
Laila, Dina Shona   +2 more
core   +1 more source

Linear Parameter Varying Identification of Dynamic Joint Stiffness during Time-Varying Voluntary Contractions

open access: yesFrontiers in Computational Neuroscience, 2017
Dynamic joint stiffness is a dynamic, nonlinear relationship between the position of a joint and the torque acting about it, which can be used to describe the biomechanics of the joint and associated limb(s).
Mahsa A. Golkar   +2 more
doaj   +1 more source

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