design of dc machines ppt

... redirection. Thirdly, live migration of virtual machines allows a sepa- ration of concerns between the users and operator of a data center or cluster. Users have ‘carte blanche’ regarding the software and services ... of our system. 6.1 Test Setup We perform test migrations between an identical pair of Dell PE-2650 server-class machines, each with dual Xeon 2GHz CPUs and 2GB memory. The machines have Broadcom ... all host machines in the clus- ter. We do not address the problem of migrating local-disk storage in this paper, although we suggest some possible strategies as part of our discussion of future

Ngày tải lên: 23/03/2014, 13:20

... properties of the controls are maintained, and the closed loop system has certain guaranteed stability properties The advantages of the new design methodology are illustrated in the simulation of an ... stage of the control design process, and then the final controller is designed using ad-hoc modifications and extensive simulations A common classical remedy was to reduce the bandwidth of the ... the design of control systems with multiple saturations A systematic methodology is introduced to design control systems with multiple saturations for stable open loop plants The idea is to design

Ngày tải lên: 18/02/2014, 10:20

... corresponding to the rows of XC matrix, see also the proof of Lemma Therefore, if the squared norm of hierarchical signal differences with indices not being in the same row of XC matrix are always ... form of adaptation that might not be always available The aim of our paper is to introduce modulation alphabets and exclusive codes resistant to the problem of parametrization on condition of CSIR ... of network coding [2] and wireless broadcast medium [3], the communication is more effective and * Correspondence: miroslav.hekrdla@fel.cvut.cz Faculty of Electrical Engineering, Department of

Ngày tải lên: 20/06/2014, 22:20

... Δ/2 in the case of symmetrical prototype. For some val- ues of M 0 , N 0 , m,andΔ,letusdenoteby|θ| the number of angular parameters corresponding to the parametrization of each of the Δ/2 subsystems ... subsystem), the following design step will be car- ried out with the 16 “best” solutions. 5. DESIGN METHOD AND EXAMPLES The design problem consists of finding the coefficients of the prototype filter ... for all of the following design examples, we set K = 5 which provides a reduction of the number of parameters Δ/2K equal to 25.6or51.2. In Figures 3, 4, 5, 6 , 7,and8, we present a set of results

Ngày tải lên: 22/06/2014, 23:20

... dimension of the learning machines [2] The idea of SVMs originates from finding an optimal separating hyperplane which separates the largest possible fraction of training set of each class of data ... The Optimal Design of Weighted Order Statistics Filters by Using Support Vector Machines Chih-Chia Yao and Pao-Ta Yu Department of Computer Science and Information Engineering, College of Engineering, ... the risk of misclassifying not only the examples in the training set, but also the unseen examples of the test set SVMs performance versus traditional learning machines suggested that a redesign

Ngày tải lên: 22/06/2014, 23:20

... covering rate for the set of trials of the first design of experiments (Ta ble 2). These designs have been tested on 180 input images se- lected from a video sequence of over 30 000 city and mo- ... Therefore, each experiment design of ex- periments is well defined by its experiment matrix whose line number refers to the number of trials and column number refers to the number of tested par ameters. ... the evaluation of the whole process. Until now researchers have focused on the evaluation of single algorithms based on a small number of test images and ad hoc tuning independent of input data.

Ngày tải lên: 22/06/2014, 23:20

... lows window design techniques to be applied directly to the design of antenna arrays. As in window designs, the trade-off between the main-lobe width and the side-lobe level of the AF is of primary ... 2). of the reduced length fell short of R ≥ 60 dB by (a) 0.35 dB and (b) 0.51 dB. The results demonstrate the accu- racy of (40) in predicting the lowest value of N needed to achieve the set of ... rate approximation of D. 5.1. Measurements and tendencies of D To obtain realistic data for the approximation of D, windows of length N = 7, 9, 13, 19, 51, 127, and 255 were designed to cover

Ngày tải lên: 23/06/2014, 01:20

... Parenthesis trees of the packing in Figure 10.14f. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C010 Finals Page 194 24-9-2008 #11 194 Handbook of Algorithms for Physical Design Automation ... number of floorplan configurations.Let M(n) be the numberoffloorplanswith n rooms. These floorplanscanbeanalyzed in terms of the numbers of T-junctions on the top and right boundaries of the ... of a floorplan is shown in Figure10.18 and an example of the TBT representation of a floorplan is shown in Figure 10.19. The complexity of this algorithm is O(n) where n is the total number of

Ngày tải lên: 03/07/2014, 20:20

... the module of (a) after it rotates. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C011 Finals Page 236 29-9-2008 #35 236 Handbook of Algorithms for Physical Design Automation ... 3D-subTCG of Figure 11.28. (From Yuh, P H., Yang, C L., Chang, Y W., and Chen, H L., Proceedings of Asia and South Pacific Design Automation Conference, 2004. With permission.) On the basis of previous ... part of the compacted 3D floorplans where each task must be compacted to the origin. • Becausetherelation between eachpairoftasksisdefinedintherepresentation,thegeometric relation of each pair of

Ngày tải lên: 03/07/2014, 20:20

... typical design, as of 2006, many have hundreds blocks, each with thousands of pins. If a single one of these hundreds of thousands of pins is assigned an infeasible objective, the entire design ... are used: • Use of an earlier version of the design to decide the partitioning. Assuming the differences are small, this may give a good partitioning for the final design. • Use of a faster, but ... top level design constraints normally requires knowledge of design intent. It is almost always better for the designer to specify the high-level hierarchy decomposition, with the help of the floorplanner

Ngày tải lên: 03/07/2014, 20:20

... there remains a trade-off in quadratic wirelength versus the spreading of cells throughoutthe placement area—the selection of the positions of fixed points and the weight of the pseudonets requires ... Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C018 Finals Page 356 23-9-2008 #11 356 Handbook of Algorithms for Physical Design Automation placement area if the position of the fixed ... magnitudes of the densities cha nge. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C018 Finals Page 360 23-9-2008 #15 360 Handbook of Algorithms for Physical Design Automation

Ngày tải lên: 03/07/2014, 20:20

... 22.10e) S S S S WL (a) (b) Number of nets crossing Number of nets crossing Number of nets crossing Number of nets crossing Number of nets crossing S Number of nets crossing S (c) d (d) Cost Cost ... (e) QL (f) (1−a)WL + aOF Cost CostCost OF LkAhd S- FIGURE 22.10 Cost funct ion versus number of crossing nets on each global bin. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C022 ... Computer-Aided Design of Integrated Circuits and Systems, 10(3): 356–361, 1991. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C022 Finals Page 466 24-9-2008 #21 466 Handbook of Algorithms

Ngày tải lên: 03/07/2014, 20:20

... Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C027 Finals Page 562 23-9-2008 #7 562 Handbook of Algorithms for Physical Design Automation algorithmenhancements,it ... some of the methods that combine buffer insertion and topology construction are presented. Most of them belong to the P-Tree class of algorithms. The work started with the first version of the ... following paragraph. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C027 Finals Page 564 23-9-2008 #9 564 Handbook of Algorithms for Physical Design Automation P-Tree Algorithm

Ngày tải lên: 03/07/2014, 20:20

... the route of a ne t i passing through a set of tiles {T 1 , T 2 , , T k }. Suppose that a buffer b of this net is to be inserted in one of these tiles T j where 1 ≥ j ≥ k. The size of the overlapping ... net work. Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C033 Finals Page 658 29-9-2008 #15 658 Handbook of Algorithms for Physical Design Automation of connections made. If ... divided into a 2D array of grids and the size of the dead space in each grid is computed for estimating the amount of buffer resources in that grid b space (). The probability of successful buffer

Ngày tải lên: 03/07/2014, 20:20

... Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C036 Finals Page 742 10-10-2008 #7 742 Handbook of Algorithms for Physical Design Automation this model takes the topography of the ... Alpert/Handbook of Algorithms for Physical Design Automation AU7242_C036 Finals Page 750 10-10-2008 #15 750 Handbook of Algorithms for Physical Design Automation (a) (b) FIGURE 36.14 (a) Example of a wiring-type ... planarization is r ecess. Recess of a copper interconnect line is equivalent to the dishing of that line. However, the recess of the dielectric within an array of interconnect lines is the difference

Ngày tải lên: 03/07/2014, 20:20

... a key design challenge in current and future designs because of the lowering of the power supply voltage, reduction of the threshold voltage, Alpert/Handbook of Algorithms for Physical Design ... unpredictability [4]. Thus, a successful design requires careful design of all levels of the power delivery system. In early technologies, the design of power networks was relatively easier b ... CELL MODELING The modeling of cell switching current has been an active branch of research. The difficulty of the problem lies in the complexity of determining the sets of input patterns that matter

Ngày tải lên: 03/07/2014, 20:20

... load Dp Overall depth of profiled steel sheets Ds Overall depth of composite slab ds Effective depth of slab to centroid of profiled steel sheets Modulus of elasticity of profiled steel sheets ... 8: Code of practice for fire resistant design; — Part 9: Code of practice for stressed skin design This Part of BS 5950 gives recommendations for the design of composite slabs in which profiled ... Part 3: Design in composite construction; — Section 3.1: Code of practice for design of simple and continuous composite beams; — Part 4: Code of practice for design of composite slabs with profiled

Ngày tải lên: 08/07/2014, 22:20

... construction Code of practice for design of simple and continuous composite beams Code of practice for design of composite slabs with profiled steel sheeting Code of practice for design of cold formed ... This Part of BS 5950 gives recommendations for the design of light gauge profiled steel sheeting used as roof decking, flooring and roof and wall cladding, including the design of profiled steel ... skin design This Part of BS 5950 gives recommendations for the design of light gauge profiled steel sheeting as roof decking, flooring, and cladding and its provisions apply to the majority of

Ngày tải lên: 08/07/2014, 22:20

... already mentioned, DC machines used to be in the past the major source of DC power. In order to produce electric power DC machines were operated as generators. Nowadays, however, use of DC generators ... Electrical Engineering  E Levi, 2001 1 STEADY STATE OPERATION OF DC MACHINES 1. INTRODUCTION Electric DC machines, as indeed any other type of electric machine, can be used to either produce electric ... more rare. DC power is obtained instead by means of power electronic converters. The remaining applications of DC machines are today restricted to motoring. In this operating regime a DC machine...

Ngày tải lên: 17/12/2013, 14:15