design of forging dies ppt

... directionalproperties of the controls are maintained, and the closed loop system has certain guaranteedstability properties The advantages of the new design methodology are illustrated in the simulation of anacademic ... stage of the control design process, andthen 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 systemswith multiple saturations A systematic methodology is introduced to design control systems withmultiple 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 6 Therefore, if the squared norm of hier-archical signal differences with indices not being in the same row of XC matrix are always ... Design of full-response κ =1/2UMP-CPM by pulse shape optimization: In the same way, we have excluded channel coding from design of UMP alphabet, we do not need to consider modulation memory of ... minimal  = 1 is often used in non-coherent detection In coherent detection (with CSIR), it has maximal minimal distance δ2 min= 2for κ =1/2also often denoted as minimum shift 2) Design of UMP-QFSK

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

... refers to the number of tested parameters We present below the experiment matrix and the covering rate for the set of trials of the first design of experiments (Table 2) These designs have been ... for all the design of experiments experiment matrix Therefore, each experiment design of ex-periments is well defined by its experiment matrix whose line number refers to the number of trials and ... 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

... al-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 ... dB 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 ofN needed to achieve the set of prescribed ... of strong narrowband signals The side-lobe roll-off ratio provides a simple description of the distribution of energy throughout the side lobes, which can be of importance if prior knowledge of

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

... section, 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 ... solutions of very high quality in terms of both cost and delay The algorithm may not be suitable for optimizing every single net in the design, but using this approach to optimize a smaller number of ... produces a family of solutions with delay/cost trade-off giving more choices in the overall design optimization process Experimental results support these claims A detailed description of the algorithm

Ngày tải lên: 03/07/2014, 20:20

... Consider the route of a net i passing through a set of tiles {T1 , T2, , 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 ... probabilities of successful buffer insertion are different at different routing tiles, the chance of the occurrence of a route will be higher if it runs through those tiles with high proba-bilities of successful ... 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 bspace() 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 745 10-10-2008 #10 CMP Fill Synthesis: A Survey of Recent Studies 745 copper thickness profile across 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

Ngày tải lên: 03/07/2014, 20:20

... timing 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 because ... emerging as a key design challenge in current and future designs because of the lowering of the power supply voltage, reduction of the threshold voltage, Trang 8and reduction of gate oxide thickness ... the circuit is switched off, the time-varying resistance will be set to Rioff At the beginning of every clock cycle, a subset of the switching circuits are turned on and off, corresponding to an

Ngày tải lên: 03/07/2014, 20:20

... Code of practice for design of simple and continuous composite beams; — Part 4: Code of practice for design of composite slabs with profiled steel sheeting; — Part 5: Code of practice for design ... 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 E Modulus of elasticity of profiled steel sheets ... capacity of the composite slab (or of the profiled steel sheets at the construction stage) to resist distortion in its own plane is not within the scope of this Part of BS 5950 For the design of 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

... system design lies in forecast-ing future operating conditions Many engineers are not aware of theimplications of future conditions and their effect upon initial design aridlong-term operation Often ... but the facility design engineer elects to design for aspecific '"most likely" forecast This is unfortunate, as the designershould at least consider the sensitivity of the design and economic ... The fourth part of each valve designation is a 2-, 3-, or 4- digit number indicating the highest ANSI or API class for which the valve can be used: (5) The fifth part of a valve designation, when

Ngày tải lên: 06/08/2014, 02:20

... panel Because of the obvious desirability of using the results of the more exact theory, some of these are presented in Table Al?7.3 The treatment of additional cases (other types of edge support) ... represent the desired loading The sum of the corresponding deflection functions (each of the form of eq 10) gives the desired solution Details of this type of analysis are to be found in reference ... which are formulated in terms of a partial differential ** the uniquenegs of solutions to the differential equation of the form of eq (7) is a classical proof appearing in num- erous advanced

Ngày tải lên: 07/08/2014, 10:20

... vertical stem of the tee has both ends simply supported For value of t in equation C7.15, use (tg + tr)/2 The effective stiffener area - equals the area of the tee plus the area of the Sheet of width ... consisted of solving equation 07.14 for a width (w) in place of (b), when Foy was equal to the yield stress of the material since experiments had shown that the ultimate strength of a sheet ... buckling of the shset In zeneral, the Tivet spacing along the stiffeners in the upper surface of the wing will be closer to- gether than on the bottom surface of ‘he wing since the design comsressive

Ngày tải lên: 07/08/2014, 10:20

... 211 margins of safety are vositive, the strangtn of fitting unit is satisfactory Trang 23 ANALYSIS AND DESIGN OF FLIGHT VEHICLE STRUCTURES nole slightly back of the center of the out strength ... FIELD DESIGN C11.39 Problems for Part 2 1 In the example problem of Art 011.54, what M.S would exist if the ring were made of 032 2024 (instead of 040) (Assume a = 45°) In the example problem of ... factor of safety 1s necessary to give a similar degree of strength reliability for connections as provided in the strength design of the members being connected D1.4 Special or Higher Factors of

Ngày tải lên: 07/08/2014, 10:20