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排序方式: 共有4419条查询结果,搜索用时 15 毫秒
131.
We proved some almost sure limit theorems for standard strongly dependent Gaussian sequences in nonstationary cases under some mild conditions. 相似文献
132.
In this paper, we consider the following nonlinear fractional three-point boundary value problem
133.
Xiao-Juan Luo Triantafyllos Stylianopoulos Victor H. Barocas Mark S. Shephard 《Engineering with Computers》2009,25(1):87-95
The mechanical function of soft collagenous tissues is inherently multiscale, with the tissue dimension being in the centimeter
length scale and the underlying collagen network being in the micrometer length scale. This paper uses a volume averaging
multiscale model to predict the collagen gel mechanics. The model is simulated using a multiscale component toolkit that is
capable of dealing with any 3D geometries. Each scale in the multiscale model is treated as an independent component that
exchanges the deformation and average stress information through a scale-linking operator. An arterial bifurcation was simulated
using the multiscale model, and the results demonstrated that the mechanical response of the soft tissues is strongly sensitive
to the network orientation and fiber-to-fiber interactions. 相似文献
134.
The conventional game theory is concerned with how rational individuals make decisions when they are faced with known payoffs. In the real world, sometimes the payoffs are not known and have to be estimated, and sometimes the payoffs are only approximately known. This paper develops a solution method for the two-person zero-sum game where the payoffs are imprecise and are represented by interval data. Since the payoffs are imprecise, the value of the game should be imprecise as well. A pair of two-level mathematical programs is formulated to obtain the upper bound and lower bound of the value of the game. Based on the duality theorem and by applying a variable substitution technique, the pair of two-level mathematical programs is transformed to a pair of ordinary one-level linear programs. Solving the pair of linear programs produces the interval of the value of the game. It is shown that the two players in the game have the same upper bound and lower bound for the value of the imprecise game. An example illustrates the whole idea and sheds some light on imprecise game. 相似文献
135.
This paper addresses the sampling period scheduling of Networked Control Systems (NCSs) with multiple control loops. The generalized exponential function is employed to describe Integral Absolute Error (IAE) performance versus sampling period by Truetime toolbox under Matlab environment, and the sampling periods are scheduled to obtain the optimal integrated performance based on Kuhn–Tucker Theorem, which are subject to the stability of every control loop and the bandwidth on available network resource. Numerical examples are given to show the effectiveness of our method. 相似文献
136.
WANG Chen YIN QinYe & WANG WenJie Ministry of Education Key Lab for Intelligent Networks Network Security Xi'an Jiaotong University Xi'an China 《中国科学:信息科学(英文版)》2010,(6):1233-1241
The radio interferometric positioning system(RIPS) measures the phase difference of the interference signal to provide high accuracy and at the same time maintain simple hardware configuration for wireless sensor networks.However, it suffers from phase ambiguity problem because of the periodicity of phase, which makes it hard to determine the actual distance difference only from a single phase measurement.To solve the problem, RIPS makes multiple measurements at different frequencies so as to determine the ... 相似文献
137.
Alan Mehlenbacher 《Computational Economics》2009,34(2):119-143
Computational experiments with a multiagent system show that bidders use signal averaging to avoid the winner’s curse in English
auctions. The results vary with the percent of common value in a two-dimensional value signal, information levels, uncertainty,
and the number of bidders. The complexity introduced by the combinations of these factors affects the bidding strategies and
auction outcomes in interesting ways—usually nonlinearly and sometimes non-monotonically. Of main concern to a seller is the
effect of these factors on revenue. I find that revenue increases with the percent of common value in the two-dimensional
value signal, decreases with uncertainty, and increases with the number of bidders. There is very little impact of information
level on revenue when values are pure private and pure common. However, for the intermediate cases of two-dimensional value
signals, revenue decreases with increased information.
相似文献
138.
139.
140.
Yukang Cui James Lam Zhiguang Feng Jun Shen 《International journal of systems science》2016,47(15):3720-3729
This paper is concerned with the characterisation of robust admissibility and admissibilisation for uncertain discrete-time singular system with interval time-varying delay. Considering the norm-bounded uncertainty and the interval time-varying delay, a new comparison model is introduced to transform the original singular system into two connected subsystems. After this transformation, a singular system without uncertainty and delay can be handled by the Lyapunov–Krasovskii functional method. By virtue of the scaled small gain theorem, an admissibility condition of the original singular system is proposed in terms of linear matrix inequalities. Moreover, the problem of robust admissibilisation of uncertain discrete singular time-varying system is also studied by iterative linear matrix inequality algorithm with initial condition optimisation. Several numerical examples are used to illustrate that the results are less conservative than existing ones. 相似文献