modeling complex wetland systems
An Analysis of Geometric Modeling in Database Systems docx
Ngày tải lên :
07/03/2014, 23:20
... orientation in database systems, which is applied to characterize the engineering database systems investigated in the remainder of this section 3.1 The (Pure) Relational Database Systems In the introduction ... why database management systems have not been extensively used in technical applications The main reason is that the data -modeling capabilities of the traditional database systems are insufficient ... No 1, March 1987 An Analysis of Geometric Modeling in Database Systems l 61 Structurally object-oriented data models provide facilities for mapping complex objects onto database structures and...
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Modeling Multi-Level Systems pdf
Ngày tải lên :
24/03/2014, 01:20
... Peirce The Fixation of Belief, 1877 Preface Modeling multi-level complex systems is the object of this book Complex systems are assemblies of several subsystems and are characterized by emergent ... a characteristic of complexity Complex systems differ basically from complicated ones Systems may outline complexity on both structural and on functional level Structural complexity increases ... reality levels of the complex systems in one coherent and transdisciplinary discourse A challenge for complex systems science and technology is to develop mathematical formalisms and modeling methods...
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wetland systems storm water management control
Ngày tải lên :
01/04/2014, 11:48
... Contents Introduction to Wetland Systems 1.1 Background 1.2 Definitions 1.3 Hydrology of Wetlands 1.4 Wetland Chemistry 1.5 Wetland System Mass Balance ... delineates wet- Introduction to Wetland Systems Figure 1.3 Spanish wetland that regularly dries out during summer lands from terrestrial and fully aquatic ecosystems Wetlands in warm climates are ... Solano et al 2003; Babatunde et al 2008) Since the 1990s, M Scholz, Wetland Systems © Springer 2011 19 20 Wetland Case Studies wetland systems have been used for treating numerous domestic and industrial...
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measuring risk in complex stochastic systems - j. franke, w. hardle, g. stahl
Ngày tải lên :
08/04/2014, 12:22
... challenges of risk perception, analysis and management successfully The increasing complexity of stochastic systems, especially in finance, have catalysed the use of advanced statistical methods ... articles on change points The papers were presented during a conference on Measuring Risk in Complex Stochastic Systems that took place in Berlin on September 25th - 30th 1999 The conference was organised ... interested in analysing the involved nonlinearities or concentrate on extreme and rare events of a complex stochastic system, whereas a statistician may be interested in model and variable selection,...
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stochastic modeling of manufacturing systems advances in design, performance evaluation, and control issues - g. liberopoulos
Ngày tải lên :
08/04/2014, 12:26
... acid-free paper 42/3153 Editorial Stochastic Modeling of Manufacturing Systems: Advances in Design, Performance Evaluation, and Control Issues Manufacturing systems rarely perform exactly as expected ... manufacturing systems The advantage of modeling is that it can lead to the deepest understanding of the system and give the most practical results, provided that the models apply well to the real systems ... Rethinking a systems approach In: Tomlnson R, Kiss I (eds) Rethinking the process of operational research and systems analysis, pp 4365 Pergamon Press, New York Cook SA (1971) The complexity of...
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pilgrim. combinations of complex dynamical systems
Ngày tải lên :
24/04/2014, 16:50
... certain holomorphic dynamical systems on the Riemann sphere It is intended for researchers interested in the classification of those complex one-dimensional dynamical systems which are in some loose ... monic complex polynomials f, g of the same degree d and returns as output a branched covering F = Ff,g of the two-sphere Let f, g be two monic complex polynomials of degree d ≥ Compactify the complex ... it is possible that TF is given by w → n · w, so that by varying the shape of the complex torus one obtains a complex one-parameter family of postcritically finite rational maps which are all quasiconformally...
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complex robotic systems - pasquale chiacchio & stefano chiaverini (eds)
Ngày tải lên :
12/06/2014, 12:04
... manufacturing systems to cover all the aspects of exploration and servicing in hostile environments such as undersea, outer space, battlefields, and nuclear plants Complex robotic systems, i.e robotic systems ... systems with a complex structure and architecture, are gaining increasing attention from both the academic community and industrial users The modeling and control problems for these systems cannot ... PasqualeChiacchioandStefanoChiaverini(Eds) Complex Robotic Systems ~ Springer Series A d v i s o r y B o a r d A Bensoussan • M.J Grimble • P Kokotovic...
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Báo cáo toán học: " Modeling formalisms in Systems Biology" ppt
Ngày tải lên :
20/06/2014, 21:20
... future Keywords Systems Biology; Modeling Formalisms; Biological Networks Introduction Living organisms are complex systems that emerge from the fundamental building blocks of life Systems Biology ... (2009a) Hybrid modeling in biochemical systems theory by means of functional petri nets J Bioinform Comput Biol 7(1):107–34 Wu J, Voit E (2009b) Integrative biological systems modeling: challenges ... living systems also present vertical organization (Cheng and Hu 2010) Molecules, cells, tissues, organs, organisms, populations and ecosystems reflect the hierarchical organization of life A modeling...
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Báo cáo hóa học: "Editorial Advances in Propagation Modeling for Wireless Systems" pptx
Ngày tải lên :
21/06/2014, 23:20
... mechanisms The last paper on geometry-based modeling by Zhang et al investigates several possible simplifications of geometry-based models in view of reducing their complexity without compromising their ... of WiMAX femtocells Two optimization methods are proposed to tackle the issue of computational complexity Calibration is also carried out The paper eventually presents mobile WiMAX system-level ... of the developed model Finally, the last set of papers deals with geometry-based models for MIMO systems In geometrical channel models, the channel impulse response is related to the location of...
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Báo cáo hóa học: " Research Article A Variational Approach to the Modeling of MIMO Systems" docx
Ngày tải lên :
22/06/2014, 19:20
... preliminaries on MIMO systems and a brief overview on the third generation (3G) of telecommunications In Section 3, we study the performances of MIMO systems dealing with 3G We first develop the modeling of ... conception of MIMO systems and the reduction of the cost of its implementation Notice by the way that great changes are envisaged to evaluate and migrate to third generation systems (3G) In the ... frequency band in different time slots In terms of capacity and receiver complexity, the downlink is more critical than the uplink WCDMA systems suffer from multiple access interference (MAI), because the...
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Mathematical Modeling of Biological Systems, Volume I pptx
Ngày tải lên :
27/06/2014, 10:20
... pigment-protein complexes photosystem (PS1) and photosystem (PS2) The two photosystems are connected by a series of electron carriers that include plastoquinone (PQ), the cytochrome b6 / f complex (cyt ... number of FQR complexes was assumed to be equal to the number of PS1 complexes The PS1 size in the lateral plane was taken as 13 nm (with LHCI), cyt b6 f was nm, and PS2 13 nm [2] PS2 complexes are ... protein complexes protruding through the membrane We compared the PQ diffusion coefficient in the membrane full of PS1 and cyt b6 / f complexes and the diffusion coefficient in a membrane without complexes...
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complex robotic systems pasquale chiacchio stefano chiaverini eds ppt
Ngày tải lên :
27/06/2014, 18:20
... manufacturing systems to cover all the aspects of exploration and servicing in hostile environments such as undersea, outer space, battlefields, and nuclear plants Complex robotic systems, i.e robotic systems ... systems with a complex structure and architecture, are gaining increasing attention from both the academic community and industrial users The modeling and control problems for these systems cannot ... PasqualeChiacchioandStefanoChiaverini(Eds) Complex Robotic Systems ~ Springer Series A d v i s o r y B o a r d A Bensoussan • M.J Grimble • P Kokotovic...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 1 pdf
Ngày tải lên :
10/08/2014, 01:22
... manufacturing systems to cover all the aspects of exploration and servicing in hostile environments such as undersea, outer space, battlefields, and nuclear plants Complex robotic systems, i.e robotic systems ... systems with a complex structure and architecture, are gaining increasing attention from both the academic community and industrial users The modeling and control problems for these systems cannot ... PasqualeChiacchioandStefanoChiaverini(Eds) Complex Robotic Systems ~ Springer Series A d v i s o r y B o a r d A Bensoussan • M.J Grimble • P Kokotovic...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 2 pps
Ngày tải lên :
10/08/2014, 01:22
... 8 Chapter Multi-arm robot systems: A survey Constraint forces/moments vectorspace External forces/moments W ce t R 12 ,6 (a) ... :cl x2 (1.27) A ~ r = £ (n2 x n l + 02 x ol + a2 x a l ) (1.28) 10 1.4 Chapter Mudti-arm robot systems: A survey Hybrid position/force control In the previous section we have seen that the task ... successfully applied to the control of this system if the task vector is properly chosen For those systems that this chapter deals with and in which constraint conditions are clearly stated, however,...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 3 pot
Ngày tải lên :
10/08/2014, 01:22
... of the art of multi-arm robot systems First, we presented a historical perspective and, then, gave fundamentals of the kinematics, statics, and dynamics of such systems Definition of task vectors ... Japan, September 1985, pp 641-648 [8] N H McClamroch, "Singular Systems of Differential Equations as Dynamic Models for Constrained Robot Systems, " in Proc 1986 IEEE Int Conf on Robotics and Automation, ... Chapter Multi-arm robot systems: A survey [9] T J Tam, A K Bejczy, and X Yun, "New Nonlinear Control Algorithms for Multiple Robot Arms," I E E E Trans on Aerospace and Electronic Systems, vol 24, no...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 4 potx
Ngày tải lên :
10/08/2014, 01:22
... equivalently stated as IT I T o T (2.13) 40 Chapter Kinematic manipulability of general mechanical systems where ~T is the "internal force" (in the multiple-arm context, the squeeze force) The above ... configurations, the arm is said to be singular 42 Chapter Kinematic manipulability of general mechanical systems in those configurations With the spatial task velocity suitably restricted, singular configurations ... the above three cases in greater details Chapter Kinematic manipulability of general mechanical systems 44 Case I A/'(J~) = {0} The ellipsoid can be rewritten as 8v = VT : VT = JTJc o - ~ x ,...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 5 pptx
Ngày tải lên :
10/08/2014, 01:22
... 54 Chapter Kinematic manipulability of genera/mechanical systems -0, -1 -l~'*.s -~ -o,s o o.s '~ 1.s zs 3,s Figure 2.11: Nearly unstable configuration The ... for the arm to perform the desired task 56 Chapter Kinematic manipulability of genera/mechanical systems 0,8 N -0.5 -1 -1.5 y -2 -2 X Figure 2.13: 3D ellipsoid for 6-DOF Stewart platforms: Case ... here can provide more insight into the 58 Chapter Kinematic manipulability of general mechanical systems lheta = [0 - -901 theta = [0 - 90] / , / / - ;~ / ; ¢J / / ,/ / /" / ; z iz/ theta = [30...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 6 doc
Ngày tải lên :
10/08/2014, 01:22
... constrained multibody systems Such systems include simple closed kinematic chain as two arms jointly holding a payload, multiple kinematic chains as in multi-finger grasping, and more complex structures ... multiple-arm systems IEEE Transactions on Robotics and Automation, 7(5):678-685, October 1991 [9] C Melchiorri Comments on 'global task space manipulability ellipsoids for multiple-arm systems' and ... manipulability of general mechanical systems [13] C Gosselin The optimum design of robotic manipulators using dexterity indices In Robotics and Autonomous Systems 9, pages 213-226 Elsevier Science...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) Part 7 doc
Ngày tải lên :
10/08/2014, 01:22
... Cooperative system modeling The dynamics of the two manipulators can be written in compact form as M(q)il + C(q, it)q + g(q) = r - j T (q)h, (3.29) Chapter Kinematic control of dual-arm systems 88 where ... of a two-manipulator system," Trans ASME Y of Dynamic Systems, Measurement, and Control, 118,691-697, 1996 [6] L Sciavicco and B Siciliano, Modeling and control of robot manipulators, McGraw-Hill, ... affecting the primary task [12] It should be pointed out that kinematic redundancy of two-manipulator systems may be due either to the effective presence of additional joint variables i.e., more than...
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Complex Robotic Systems - Pasquale Chiacchio & Stefano Chiaverini (Eds) part 9 pot
Ngày tải lên :
10/08/2014, 01:22
... Manipulators," J Robotic Systems, vol 6, no 1, pp 35-47, January 1989 [21] F Pfeiffer, "Cooperating Fingers - A Special Form of Cooperating Robots," Robotic and Manufacturing Systems, (Proc World ... pp 71-77, Vol 10, no 1, February 1994 [29] X Yun, "Modeling and Control of Two Constrained Manipulators", Journal of Intelligent and Robotic Systems, pp 363-377, Vol 4, 1991 [30] X Yun and V.R ... Body Model and Decoupled Control Architecture For Two Manipulators Holding a Complex Object," Robotics and Autonomous Systems, Vol 10, No 2-3, pp 115-131, 1992 REFERENCES 127 [35] J.Y.S Luh and...
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