Results 1 to 10 of about 1,373,035 (149)
Time-varying Response Analysis of Spur Gear System [PDF]
In this paper, a space-driven two-stage spur gear system is taken as the research object, and a 10 DOF dynamic model is established. Considering the high load characteristics of the space drive system and the time-varying stiffness and tooth clearance of
Li Chao, Liu Hongwei
doaj +1 more source
Stability of Time Varying Systems [PDF]
Abstract The stability behavior of time varying systems can be studied using the concept of Lyapunov exponents and their corresponding Lyapunov subspaces. For linear time varying systems the entire Lyapunov spectrum can be approximated by the Floquet exponents of periodic systems.
Colonius, Fritz, Kliemann, Wolfgang
openaire +2 more sources
The transmission tower is an important infrastructure for transmission lines. To secure the operation of the power grid, it is particularly important to evaluate the safety of the in-service transmission tower under the action of random wind loads ...
Cheng Liu +3 more
doaj +1 more source
This paper discusses the multi-player non-cooperative game of nonlinear stochastic time-varying systems described by Itô-type differential equations in a finite time interval.
Xiangyun Lin +4 more
doaj +1 more source
Reliability Evaluation of Photovoltaic System Based on Time Varying Factors
With the large-scale development of photovoltaic (PV) generations, the reliability level of PV stations has attracted more and more attention. A reliability evaluation method of photovoltaic generation is proposed based on time-varying factors.
Lin ZHU +4 more
doaj +1 more source
In this paper, the class of matrix functions A(t) is determined for which the condition that the pointwise spectrum σ(A(t))⊂z∈C;ℜz≤−α for all t≥t0 and some α>0 is sufficient for uniform asymptotic stability of the linear time-varying system x˙=A(t)x.
Robert Vrabel
doaj +1 more source
Time-varying modulation systems
In the current communication standards, like WiMAX and LTE, the modulation system has usually fixed symbol block length or fixed subcarrier number. In this study, the authors introduce a new concept, namely time-varying symbol block or time-varying subcarrier number into the modulation systems to improve the system performance. The authors call the new
Guangyu Wang, Kai Shao, Ling Zhuang
openaire +2 more sources
Positivity and stability of fractional descriptor time–varying discrete–time linear systems
The Weierstrass–Kronecker theorem on the decomposition of the regular pencil is extended to fractional descriptor time-varying discrete-time linear systems. A method for computing solutions of fractional systems is proposed.
Kaczorek Tadeusz
doaj +1 more source
Modal Parameter Identification of Time-varying System Based on Time Frequency Slice Decomposition
System parameter identification can be divided into two research directions: time-invariant system parameter identification and time-varying system parameter identification. The research on time-invariant system parameter identification has become mature,
Chen Qi, Shi Zhiyu, Zhang Jie
doaj +1 more source
In this article, some new sufficient conditions for the exponential stability of nonlinear time-varying delay differential equations are given. An extension of the classical asymptotical stability theorem in terms of a Lyapunov–Razumikhin function is ...
Natalya O. Sedova, Olga V. Druzhinina
doaj +1 more source

