Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 180 for “"Finite-time"”.
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Assessing the Finite-Time Performance of Local Search Algorithms
… in terms of B-acceptable solutions as a finite-time performance measure for local search algorithms. The B-acceptable solution probability reflects how effectively an algorithm has performed to date and how effectively an algorithm can be expected to perform in the future. The …
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Communications in Mobile Wireless Networks: A Finite Time-Horizon Viewpoint
… 1) Different from communications over a large time window where the performance is governed by the long-term average effect, the short-term communications in MWNs are sensitive to the instantaneous location and channel condition caused by node mobility. 2) The short-term communications in MWNs …
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Communications in Mobile Wireless Networks: A Finite Time-Horizon Viewpoint
… 1) Different from communications over a large time window where the performance is governed by the long-term average effect, the short-term communications in MWNs are sensitive to the instantaneous location and channel condition caused by node mobility. 2) The short-term communications in MWNs …
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Some properties of the finite time sample autocorrelation of the electroencephalogram
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1959.
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Biodynamic Analysis of Human Torso Stability using Finite Time Lyapunov Exponents
… the world afflicting 80% of the population some time in their life. Low back injury can result from a loss of torso stability causing excessive strain in soft tissue. This investigation seeks to apply existing methods to new applications and to develop new methods to assess torso stability. …
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An eigenvalue-based approach to the finite time behavior of simulated annealing
… thesis, we present a framework under which the finite time behavior of the simulated annealing for combinatorial optimization can be studied. We will use linear algebraic methods for this purpose. The simulated annealing algorithm will be modeled as a finite space, discrete time Markov chain …
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Average Link Rate Analysis over Finite Time Horizon in a Wireless Network
… characterizes the rate achievable in a given time slot, whereas the latter is useful in characterizing average rate achievable over a long time period. Clearly, the reality often lies somewhere in between these two extremes. Consequently, in this work, we define and characterize a more …
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Theoretical foundations for finite-time transient stability and sensitivity analysis of power systems
… unique opportunity for the development of real-time stability monitoring and sensitivity analysis tools. Transient stability problem in power system is inherently a problem of stability analysis of the non-equilibrium dynamics, because for a short time period following a fault or disturbance the …
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Asymptotic Behavior of Finite-Time Ruin Probability in a By-Claim Risk Model with Constant Interest Rate
… assume that the claim size and the inter-arrival time satisfy a certain dependent structure with some additional assumptions on their distribution functions. Furthermore, we give relevant preparation of theory and compare several existing risk models and dependent structures. In this way, we …
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Mathematical epidemiological models with finite time extinction : the case of African swine fever virus in wildlife areas
… free equilibrium 0, will reach it within nite time and remain at 0 thereafter. These include basic population models and epidemiological models with age and state structure. We then construct a model for ASF in order to accurately illustrate the phenomenon observed at the game reserve.
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Finite time suboptimal control design of nonlinear systems with θ-D technique and implementation to aerospace applications
“A finite time suboptimal control strategy (named θ - D approximated algorithm) was proposed in this study, which can provide the control engineers with a novel effective and efficient design tool from the finite time optimal perspective. Based on the framework of this proposed method, the original …
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Discrete-time Stable Geometric Controller and Observer Designs for Unmanned Vehicles
… SE(3). We formulate both asymptotically and finite-time stable tracking control schemes for underactuated rigid bodies that have one translational and three rotational degrees of freedom actuated, in discrete time. Rigorous stability analyses of the tracking control schemes presented here …
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Dependent Risk Modelling and Ruin Probability: Numerical Computation and Applications
In this thesis, we are concerned with the finite-time ruin probabilities in two alternative dependent risk models, the insurance risk model and the dual risk model, including the numerical evaluation of the explicit expressions for these quantities and the application of the probabilistic results …
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Asymptotic behavior of the solutions to a family of PDE's arising from the chemotaxis equations of Keller and Segal
… those that lead to solutions which blow up in finite time are considered as a function of rho, using an application of the methods of Hillen and Potapov [Math. Methods Appl. Sci., 27 (2004), pp. 1783-1801] to analyze the global case and those of Halverson, Levine, and Renclawowicz [Siam J. …
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MOMENTUM SIGNATURES OF THE ANDERSON TRANSITION
… two interference peaks, CBS and CFS. We develop finite-time scaling theory for the angular width of the CBS peak and in the height of the CFS peak. We demonstrate how to extract properties like critical exponent, the mobility edge and signatures of multifractality from this finite-time analysis. …
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Learning structure from unstructured data
… problems: first, we are given access only to a finite noisy data set; and second, the hidden state dimension or model order is unknown. The first problem limits our ability to comment on the finite time performance of estimation algorithms; and the second problem prevents appropriate …
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Control of flexible spacecraft during a minimum-time maneuver
… control is to be carried out in minimum time, which implies on-off control. On the other hand, the perturbed model is described by a high-order set of linear time-varying ordinary differential equations subjected to persistent, piecewise-constant disturbances caused by inertial forces …
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Terminal sliding mode control for rigid robotic manipulators with uncertain dynamics
… uncertain parameter bounds. The law ensures finite time error convergence to the system origin and is simple to implement The second law treats the manipulator as a partially known system. The known dynamics are used to build a nominal control law and the effects of unknown system dynamics …
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Bankroto tikimybė nehomogeniniam rizikos atstatymo modeliu /
… claim sizes and the inter-occurrence times. The asymptotic behaviour of the exponential moment tail of inhomogeneous renewal process is considered and it is proved that this moment tail vanishes at infinity. This property holds for inter-arrival times having different distributions and …
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