congestion control using predator prey model

... solutions to a predator- prey model, ” Journal of Differential Equations, vol 144, no 2, pp 390–440, 1998 10 Y Du and Y Lou, “Qualitative behaviour of positive solutions of a predator- prey model: effects ... for prey -predator models with cross-diffusion,” Advances in Differential Equations, vol 1, no 6, pp 1099–1122, 1996 Boundary Value Problems 19 15 H Zhang, P Georgescu, and L Chen, “An impulsive predator- prey ... NWNU-KJCXGC-03-47 Foundation References R Zhang, L Guo, and S Fu, “Global behavior for a diffusive predator- prey model with stage structure and nonlinear density restriction—I: the case in Rn ,” Boundary...

Ngày tải lên: 21/06/2014, 20:20

... design and control purposes These models are referred to as phenomenological or semi-physical models Systems with Hysteresis: Analysis, Identification and Control using the Bouc–Wen Model F Ikhouane ... active and semi-active control A control law is said to be active when the control signal directly feeds an actuator that applies the desired feedback control force With an active control scheme, energy ... the recent control literature related to the Bouc–Wen model is given Active control is described in References [49] to [58] In Reference [49] fuzzy control is used for a structure modelled as...

Ngày tải lên: 12/12/2013, 22:41

... Holling-Tanner model for predator- prey interactions using two-timing,” SIAM Journal on Applied Mathematics, vol 63, no 3, pp 889–904, 2003 S Hsu and T W Huang, “Global stability for a class of predator- prey ... stochastic model for the predator- prey type of interaction between two species,” Biometrica, vol 47, pp 219–234, 1960 17 R S Cantrell and C Cosner, “On the dynamics of predator- prey models with ... growth rates of the prey and predator, K denotes the carrying capacity of the prey, and δu represents the carrying capacity of the predator, which is in proportion to the prey density The function...

Ngày tải lên: 21/06/2014, 05:20

... ∞, there exists a subsequence {nk } for which u n nk converges uniformly on n; a ≤ n < ∞ Prey -Predator Model We will consider the existence of a strictly positive component-wise almost periodic ... x2 n x2 n exp −b2 n − a2 n x2 n n c1 n F K1 n − s x1 s , s −∞ which describes a model of the dynamics of a prey -predator discrete system in mathematical ecology In F , setting n , bi n , and ci ... (H) has a unique ω-periodic solution in K Examples For simplicity, we consider the following prey -predator system with finite delay: x1 n x2 n x1 n exp 1.5 x2 n exp − 1 sin n sin n − 0.5x1 n −...

Ngày tải lên: 21/06/2014, 20:20

... Inverse Control 62 Chapter Model Predictive Control Using SVR Models 65 6.1 Introduction of Model Predictive Control .65 6.1.1 MPC Strategy .66 6.1.2 Nonlinear Models ... generic model control, globally linearizing control, reference system synthesis and a nonlinear version of internal model control Within the last decades, model- based control strategies such as model ... inverse control and model predictive control for the HVAC system will be investigated Both control strategies are model- based For inverse control, the inverse dynamic model is needed while for model...

Ngày tải lên: 22/10/2015, 21:14

... 1 Congestion control principles 2.1 What is congestion? 2.1.1 Overprovisioning or control? 2.2 Congestion collapse 2.3 Controlling congestion: design ... 4.5 Congestion control for multimedia applications 4.5.1 TCP-friendly congestion control mechanisms 4.5.2 The Datagram Congestion Control Protocol (DCCP) 4.5.3 Multicast congestion ... Network Congestion Control Managing Internet Traffic Michael Welzl Leopold Franzens University of Innsbruck Network Congestion Control Network Congestion Control Managing Internet...

Ngày tải lên: 02/03/2013, 16:59

... Treynor-Black model, tries to define risk and return when constructing a portfolio of assets The model tries to be consistent with Efficient Market Hypothesis to construct a portfolio, while using alpha, ... evaluation, the user may proceed to add the stock to his portfolio and evaluate the portfolio using the Treynor-Black Model The software can be improved to show more detailed technical charts and allow ... pointing me towards the Treynor-Black model for Active Portfolio Management I would also like to thank Immanuel N N Kadhila for helping me understand the Treynor- Black model I would like to thank Boonisaed...

Ngày tải lên: 29/04/2013, 14:07

... cell performance A unique feature of the model is to incorporate the effect of hygro-thermal stresses into actual three-dimensional fuel cell model This model is used to investigate the hygro and ... equipped with springs to control the clamping force [8, 23, 24] Results and discussion The governing equations were discretized using a finite-volume method and solved using CFD code Stringent ... for the fuel cell components used in this model are taken from reference [22] and are shown in Tables 3-5 The multi-phase model is validated by comparing model results to experimental data provided...

Ngày tải lên: 05/09/2013, 14:58

... By using the described switching patterns, it is possible to control the minimum dc-capacitor voltage and to control the size of the zero voltage area The control is illustrated in Fig The control ... MERS device is substantially higher The control system was implemented using SH7045 microcontroller and was implemented as described in section II-D The control algorithm was performed 512 times ... both the case with and without limitation control For the case without control, the voltage quickly passes the voltage limit By using the limitation control, the maximum voltage can be kept close...

Ngày tải lên: 15/10/2013, 16:12

... [15] MIT project: Congestion Control for High BandwidthDelayProductNetworks,www.ana.lcs.mit.edu/ dina/XCP [16] S Floyd, M Handley, J Padhye, and J Widmer Equation-based congestion control for unicast ... Adaptation: Using router feedback to improve TCP performance, Technical Report TKN-04-009, July 2004 Ngày nhận bài: 12/10/2005 [7] M Savori Improving congestion control in IP-based networks using feedback ... [1] M Allman, V Paxson, and W Stevens TCP Congestion Control RFC 2581, April 1999 [2] K Ramakrishnan, S Floyd, and D Black The addition of explicit congestion notification (ECN) to IP RFC 3168,...

Ngày tải lên: 24/12/2013, 07:16

... Data Transfer Protocol)  New application level protocol: add reliability and congestion control to UDP  New congestion control algorithm designed for high performance data transfer over high-speed ... the UDT library: congestion control, data reliability, etc  Compile time option: no performance drop for the original UDT udt.sourceforge.net :: UDT with Configurable Congestion Control (CCC)  ... specific congestion control algorithm to a UDT connection  Per connection control  Dynamically configurable udt.sourceforge.net :: Motivations  Easy implementation and deployment of new control...

Ngày tải lên: 15/01/2014, 15:59

... 1995; Tsai and Hsu, 2002); and (2) statistical approach: based on the n-gram models where n is usually 2, i.e bigram model (Lin and Tsai, 1987; Gu et al., 1991; Fu et al., 1996; Ho et al., 1997; ... optimized bigram model, BiGram (Tsai, 2005), can both be improved by our WSM and achieve better STW improvements than that of these systems with the WP identifier Development of Word Support Model The ... system In addition, following (Tsai, 2005), an optimized bigram model called BiGram was developed The BiGram STW system is a bigrambased model developing by SRILM (Stolcke, 2002) with Good-Turing...

Ngày tải lên: 20/02/2014, 12:20

... divide congestion control mechanisms into two broad categories: openloop congestion control (prevention) and closed-loop congestion control (removal) Topics discussed in this section: Open-Loop Congestion ... functions of load 24.7 24-3 CONGESTION CONTROL Congestion control refers to techniques and mechanisms that can either prevent congestion, before it happens, or remove congestion, after it has happened ... section: Open-Loop Congestion Control Closed-Loop Congestion Control 24.8 Figure 24.5 Congestion control categories 24.9 Figure 24.6 Backpressure method for alleviating congestion 24.10 Figure 24.7...

Ngày tải lên: 06/03/2014, 12:20

... T We sense Ws Te Ts word We Ws a) Sense Model b) Concept Model Figure 1: Graphical Representations of the a) Sense Model and the b) Concept Model 2.1 Notation Throughout, we use uppercase ... possible senses for each English word The Sense model is shown in Figure 1(a) 3.2 Building the Concept Model Unlike the Sense Model, the Concept Model does not constrain the Spanish senses to ... prevention Sense Model ts1 bar ts2 prevencio’n obstruccio’n Concept Model Figure 2: The Sense and Concept models for prevention, bar, prevenci on and obstrucci´ n o ´ ‰ˆ ‡ B¥ Learning the Model Parameters...

Ngày tải lên: 08/03/2014, 04:22

Ngày tải lên: 08/03/2014, 15:20

... is displayed on the user terminal The world model is managed by the modeling system, REALM (REAL world Modeling system), and is edited by the world model editor SYSTEM CONFIGURATION KID is the ... sentence to get the list of words, using the word dictionary The model- based parser analyzes the word list, and semantically interprets it, using the world model as a basis The result is the ... relationship This model matches the user's image and is very simple, so design and editing of the model is easy SALES RETAILER COMMODITY PRICE Figure I shows the part of the world model for a sales...

Ngày tải lên: 09/03/2014, 01:20

... development process using version control Version Control, sometimes called source code control, is the first leg of our project support tripod We view the use of version control as mandatory ... your project This volume, Pragmatic Version Control, describes how to use version control as the cornerstone of a project A project without version control is like a word processor without an ... successful project, and then see how a version control system can help How does version control work in practice? Let’s start with a small story 1.1 Version Control in Action Fred rolls into the office...

Ngày tải lên: 15/03/2014, 10:20

... find distributed version control and Git much less mysterious after reading this book Mike Mason Author, Pragmatic Version Control Using Subversion Pragmatic Version Control Using Git Travis Swicegood ... What readers are saying about Pragmatic Version Control Using Git Pragmatic Version Control Using Git is an excellent guide to getting you started with Git It will teach ... history clean Pieter de Bie Author, GitX If you are thinking of using Git, I highly recommend this book If you are not using a version control system (and code or create content on a computer), put...

Ngày tải lên: 15/03/2014, 10:20

... software development process using version control Version control, sometimes called source code control, is the rst leg of our project support tripod We view the use of version control as mandatory ... Control was one I couldnt miss Subversion had previously saved me (and my team) from version control hell, and I wanted to my part to help promote a great new version control system Version control ... Ill stick to using the command line from now on! I thoroughly recommend this book to anyone getting started using or administering Subversion Mike Roberts Project co-Lead, CruiseControl.NET Pragmatic...

Ngày tải lên: 15/03/2014, 10:20

... end-to-end congestion control They would not be effective as a substitute for end-to-end congestion control, and are only useful as an incentive to limit the benefits of evading end-to-end congestion control ... congestion control Section discusses the problems of extreme unfairness and potential congestion collapse that would result from increasing levels of best-effort traffic not using end-to-end congestion ... of congestion collapse In addition to classical congestion collapse and congestion collapse from undelivered packets, other potential forms of congestion collapse include fragmentation-based congestion...

Ngày tải lên: 15/03/2014, 22:20