state space representation of physical systems

... elements of the matrix D 147 B.2 Diagonal elements of the matrix D 148 Trang 10The study of transport, in anharmonic systems, has been one of themost challenging and fascinating field of theoretical ... molec-to study transient transport Exact treatment of anharmonic systems has been one of the holy grails of such transport theories and some of the most exciting effects like tion, negative differential ... Hilbert space dimensions and treat the underlying anhar-monicity exactly In order to do this we will first introduce some of thetechniques of open quantum systems with the introduction of the

Ngày tải lên: 08/09/2015, 19:35

... Discrete systems of the form (1.1) containing only one delay are often called systems with pure delay The main goal of the present paper is to extend the notion of the delayed exponential of a matrix ... tool for the formalizing of computation of initial problems for systems of the form (1.3), since the usually used method of steps (being nevertheless hidden in the notion of delayed exponential) ... results of the paper With the aid of discrete matrix delayed exponential we give formulas for the solution of the homogeneous and nonho-mogeneous problems (1.1), (1.2) 3.1 Representation of the

Ngày tải lên: 22/06/2014, 22:20

... coordinate trans-formations A set of invariant quantities are extracted from this space and a representation is constructed from the set of invariants Two types of representation are considered: ... are characterised by the fact that each point in 3D space (volumetric space) is associated with a set of attributes For instance, in the case of tomog-raphy, the set is generally limited to one ... principle This tensor describes the attributes of the object and becomes the source for an associated curved space The geometry of this associated curved space is de-scribed by a quadric form or a

Ngày tải lên: 22/06/2014, 23:20

... using the state-space approach The state-space ap-proach relies on the assumption that the state of a system at any given time contains the information needed to predict the behaviour of the system ... predicted state of the model subject at the end of the period However, this leads to highly inflated estimates of fit statistics since much of the variation is explained by the initial state of the ... the state at some later point in time, using the years ing height, the state at the end of the growth period may be predicted from the state at the beginning of the growth period by a series of

Ngày tải lên: 07/08/2014, 16:21

... AND CONTROL OF QUANTUM ENTANGLEMENTIN PHYSICAL SYSTEMS DAI LI(B.Sc., Soochow University) A thesis submitted for the Degree of Doctor of Philosophy SupervisorProfessor Feng Yuan Ping Professor Kwek ... limit n → ∞ is defined as the entanglement of formation of the state ρ If the process is reversed, i.e., from m copies of the state ρ to n copies of EPR-type states by LOCC, the ratio n/m in the limit ... Neumann entropy of the reduced state of one subsystem E F = E D = S(ρ A ) = −tr(ρ Alog2ρ A ), (1.6) where trB means the partial trace of the total state ρ AB over the degree of freedom of the subsystem

Ngày tải lên: 10/09/2015, 15:48

... Hardware/Software Partitioning We develop an efficient scheme for design space exploration in the context of hardware/software co-design of real-time systems Such systems days consist of a heterogeneous ... Engineering, National Institute of Technology, Rourkela, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF COMPUTER SCIENCE NATIONAL UNIVERSITY OF SINGAPORE 2008 Trang 31 ... 7List of Publications i1.1 Design Space Exploration 31.1.1 Role of Performance Analysis in Design Space Exploration 41.1.2 Challenges 51.2 Thesis Contributions 71.3 Organization of

Ngày tải lên: 11/09/2015, 16:04

... ANALYSIS OF MIMO SPACE-TIME BLOCK CODING SYSTEMS OVER GENERALFADING CHANNELS HE JUN NATIONAL UNIVERSITY OF SINGAPORE 2008 Trang 2DESIGN AND PERFORMANCE ANALYSIS OF MIMO SPACE-TIME BLOCK CODING SYSTEMS ... limitedinsight into the structure of STC systems Trang 231.1 MIMO Systems and Space-Time CodingMost of the performance analysis for STC systems is in terms of PEP, as it is noteasy to obtain ... contribution of this thesis 1.1 MIMO Systems and Space-Time Coding 1.1.1 Background of MIMO Systems The rudiment of the first MIMO system appeared in 1987, when two communicationsystems, communicating between

Ngày tải lên: 14/09/2015, 14:05

... REVIEW OF SPACE-TIME CODINGFig 1.1: Delay Diversity and Trellis Space-Time Code (Figure partially taken from [8]) the gain of STTC is achieved at the expense of a complex receiver Since the debut ofSTTC ... creation of multiplelinks between a terminal and a base station,which is fulfilled by MIMO systems Sofar there is little commercial implementation of MIMO in cellular systems and deployed3G systems ... LITERATURE REVIEW OF SPACE-TIME CODINGmultiple-input-multiple-output (MIMO) communication system A brief historic review of MIMO systems is given as following 1.2.1 Simulcast The concept of MIMO system

Ngày tải lên: 16/09/2015, 08:31

... Stabilization of Linear Systems with Multiple Delays in State and NGUYEN T THANHa and VU N PHATb, ∗ a Department of Mathematics University of Mining and Geology, Hanoi, Vietnam bInstitute of Mathematics, ... exponential stabilization of linear singular time delay systems with control delay To the best of our knowledge, finite-time stabilization problem for linear control systems with multiple state and control ... t −m j −h i x(s) T U1x(s)ds ) . Using the same method of the proof of Theorem 3.1, taking the derivative of V (t) in t along the solution of the closed-loop system and applying the following derived

Ngày tải lên: 12/10/2015, 10:29

... form of linear matrix inequalities (LMIs) were derived ensuring stochastic stability of a class of discrete-time MJLSs with multiplicative noises The problem robust H∞ control of this type of systems ... those of Theorem 2 in [21] Thus, the result of Theorem 3.2 in this paper can be regarded as an extension of the result of [21]. Remark 3.2 When the transition rate of the jumping process of system ... paper, we address the problem of state-feedback control of discrete-time stochastic bilinear systems with Markovian switching The transition probability matrix of the jumping process can be partially

Ngày tải lên: 24/09/2020, 03:47

... internal states do not have to be related to states of the modelled system In the case of unknown or unmeasurable system states, this is a great advantage of the network model Identifying state ... one-trading-day-ahead forecasts of the EUR/PLN exchange rate The paper presents the general state space wavelet network and forecast combination models as well as their underlying principles The state space wavelet ... WIG20 −0.54 Value of the WIG20 equity index at the end of a trading session PL106670 −0.55 Price of the 10 year maturity benchmark bond at the end of a trading session VIX 0.61 Value of the volatility

Ngày tải lên: 08/11/2022, 15:00

... and application of manure to the soil Total ingestion in terms of N and P was defined as the sum of the total production and total excretion In terms of C, since a large part of the C ingested ... picture of the N, P, and Cfluxes across the agro-food system of each of the 33 regions considered in France in 2006, a year that can be consid-ered reasonably representative of the situation of French ... thefirst decade of the 21st century (Fig 1) The detailed account of thesefluxes is shown in the Excel file provided in SM2 The intercon-nection of thesefluxes is represented at the scale of all of France

Ngày tải lên: 04/12/2022, 10:36

... to a default mode of brain function Proceedings of the National Academy of Sciences of the United States of America 98, 4259–4264, doi: 10.1073/pnas.071043098 (2001). 60 Northoff, G et al Self-referential ... parts of the resting-state fMRI data time points Our goal is to provide a framework for studying the maintenance and cerebral representation of mind wandering, and understanding the impact of mind ... involved maintaining a state of mind wandering Among the additional 11 functional links that were related to greater continuity of specific domains of spon-taneous thoughts, 8 of them were connected

Ngày tải lên: 04/12/2022, 15:29

... estimate of the internal states of the physical system The primary consideration in thedesign of an observer is that the estimate of the states should be close to the actual value of the systemstates ... operation of control systems is usually based on the state information of the systems However, in some cases, these outputs often do not provide enough state information for the operation of systems.Therefore, ... developed, and applied to solve the problem of stabilization of control systems Stability is one of the important properties ofthe qualitative theory of dynamical systems Figuratively speaking, a system

Ngày tải lên: 16/05/2023, 15:55

... parameters, state variables, boundaries, etc.) Examples of open systems are: groundwater systems, social systems, as well as most of the natural systems Four types of variables characterize a model of ... structure of a system, in view of systems modelling, can comprise: a spatial arrangement of elements, ordered levels (hierarchy) of subsystems or/and elements, and concentration and types of algebraic ... University of Twente Prof dr.ir H.G Wind University of Twente Prof dr.ir A.E Mynett UNESCO-IHE / WL | Delft Hydraulics Prof dr S.M de Jong University of Utrecht Dr M.J Titus University of Utrecht

Ngày tải lên: 06/11/2012, 10:35

... The outlet vent area of Case is double the size of the outlet vent area of Case Each outlet vent is of the size, 9" × 36" (0.2286 m × 0.9144 m) spaced 12", giving an area of 4.5 ft2 (0.418 m2)) ... applications of computational fluid dynamics to study the fluid flow problems in aerospace and renewable energy systems He is currently the William Palm Professor of Engineering in department of Mechanical ... (0.3048 m) off of the rear wall as shown in Figure 4, which gives an area of 2.25 ft2 (0.2090 m2) for each vent Case has a volume of 1,368 ft3 (38.74 m3) By meeting the guidelines of four air

Ngày tải lên: 05/09/2013, 15:28

... Transformation of System Model from Transfer Function Trang 153.10.2 Transformation of System Model from State Space to3.11 Bode Diagrams of Systems Models Defined in State-Space 1403.12 Nyquist Plots of ... transmission of signalsthrough the system just as in the block diagram Similarity Transformation: A transformation from one state-space representation to another state-space representation Although the state ... future state of thesystem State Space: The n-dimensional space whose axes are the state variables. State Variable Equations: When a system’s equations of motion are rewritten as a system of first-order

Ngày tải lên: 01/01/2014, 18:43

... type of the thermal load and the modes of heat transfer are the same as in a steady state analysis Transient analysis is probably the most common form of thermal analysis Trang 2Problem Statement ... increment of 0.004 m and total of 15 cuts Create a cut to accommodate the fan at the top of the heat sink Trang 5Create another cut to facilitate the installation clamp The dimensions of the cut ... time varying 50 Watt load and a constant convection of 100W/mC The time required to reach steady state will be determined A fringe plot of the temperature distribution after 1000 seconds will

Ngày tải lên: 19/01/2014, 05:20

... incompre-hension of the language of Computer-Aided Manufacturing (CAM) systems by the Computer-Aided Design (CAD) systems The CAD systems were initially envisioned to serve as drafting systems Currently, ... the type of solid modeling representational scheme Table 2.1 depicts the classification of automated feature recognition systems based on the CAD representational scheme employed CAD Representation ... systems These integrated systems should emphasize both the syntactic-level and semantic-level sharing of information One of the major bottlenecks in building integrated design-manufacturing systems

Ngày tải lên: 19/01/2014, 18:20

... the first law of thermodynamics as simply astatement of the conservation of energy principle for closed(fixed mass) systems • Develop the general energy balance applied to closedsystems • Define ... sufficientproof Note that if it were possible to prove the first law on the basis ofother physical principles, the first law then would be a consequence of thoseprinciples instead of being a fundamental physical ... different amounts of energy to raisethe temperature of identical masses of different substances by one degree.For example, we need about 4.5 kJ of energy to raise the temperature of 1 kg of iron from

Ngày tải lên: 20/01/2014, 15:22