optimal design of dc machine

... determining the optimal hyperplane. 4. SUPPORT VECTOR MACHINES FOR DICHOTOMOUS WOS FILTERS 4.1. Linear support vector machines for dichotomous WOS filters In the above section, the new approach of designing ... 0. (29) Now, we formulate the optimal design of WOS filters as the following constrained optimization problem. Given the training samples {(  X i , m i )} L i =1 ,findanoptimal value of the weight vector ... borders of margin of separation, are specified on (4). According to (4), the optimal separating hy- perplane is the maximal margin hyperplane with the geomet- ric margin 2/ w. Hence, the optimal...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 05/09/2013, 14:58

... 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 ... 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 energy ... 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

... INTRODUCTION The majority of this text concerns the analysis of electric machinery and drive systems. The focus of this chapter is the use of these concepts for design. In particular, the design of a permanent-magnet ... & Sons, Inc. INTRODUCTION TO THE DESIGN OF ELECTRIC MACHINERY 15 616 INTRODUCTION TO THE DESIGN OF ELECTRIC MACHINERY however, no design is better than any of the others in both mass and loss. ... (15.3-3) FORMULATION OF DESIGN PROBLEM 609 15.9.  FORMULATION OF DESIGN PROBLEM At this point, we are ready to consider the design of the machine. There are many ways to formulate the design problem....

Ngày tải lên: 16/02/2014, 18:55

... style of the sublanguage is distin- guished by cc~plex nominal dependencies with va- rious levels of coordination. In addition, most sentences are inoc~lete in that they consist of a series of ... This software tool not only allows for the separation of data and algorithms but also provides great flexibility in the organization of grammars and subgrammars, and in the control of the ... 1% of the corpus. A ccr~parison with the statistics of the French and Italian translations reveal approximately the sane distri- bution except for infinitival venbs. The higher frequency of...

Ngày tải lên: 17/03/2014, 19:21

... of the Design Variables for a Hybrid Electric Car with Solar Cells, Proc. of METIME Conference, June 2-3, 2005, University of Galati, RO. [19] Ahman M. (2001), Primary Energy Efficiency of ... Optimal Design of a Hybrid Electric Car with Solar Cells I.Arsie, M.Marotta, C.Pianese, G.Rizzo, M.Sorrentino Department of Mechanical Engineering, University of Salerno, ... studies of the UK government report that about 71% of UK users reaches their office by car, and 46% of them have trips shorter than 20 min., mostly with only one person on board [16]. In spite of...

Ngày tải lên: 30/03/2014, 10:20

... optimization of the operating and design pa- rameters of these columns and complexes (optimal design calculations). Methods of the general geometric theory of distillation, encoded in software, provide ... both problems. The creation of this book necessitated the development of DistillDesigner software that allowed us to refine, check, and confirm the algorithms of optimal designing and also to provide ... the stage of determination of optimum reflux ratios and the quantity of column trays. The geometric theory of distillation makes it possible to develop the general methods of calculation of minimum...

Ngày tải lên: 01/04/2014, 11:27

... systems, because the optimal design is dependent on the Tx-Rx distance and on the orientation of the two URAs. Furthermore, we include an analysis of the in- fluence of nonoptimal design, and analytical ... if the design deviates from the optimal as given in Section 4? In our analy- sis of nonoptimal design, we make use of {β ij }.Fromabove, we know that the optimal design, requiring the smallest ... is of importance with respect to design. Further, we investigate the influence of nonoptimal design, and derive analytical expressions for the singular values of the LOS matrix as a function of...

Ngày tải lên: 22/06/2014, 19:20

... tackled the problem of optimal design of linear arrays in a cellular systems under the assumption of Gaussian interference. Two design problems are considered: maximization of the ergodic capacity ... localization of transmitters based on the estimation of direction of arrivals. REFERENCES [1] J. H. Winters, J. Salz, and R. D. Gitlin, “The impact of antenna diversity on the capacity of wireless ... η of user and interferers. Problem 1 is relevant for fixed system with a known layout at the time of antenna deployment. Moreover, its solution will bring in- sight into the structure of the optimal...

Ngày tải lên: 22/06/2014, 19:20

... 10.1155/ASP/2006/64645 Optimal Design of Noisy Transmultiplexer Systems Huan Zhou 1 and Lihua Xie 2 1 Signal Processing Group, Institute of Physics, University of Oldenburg, 26111 Oldenburg, Germany 2 School of ... the channel noise of variance σ 2 r = 0.09 and σ 2 r = 0.9 (in this case, corresponding to the SNR c of 20 dB and 10 dB, resp.), we design the receivers by the optimal H 2 design (Theorem 1 )withanH ∞ crosstalk ... the form of (14)(forj = 0, 1, , M − 1) can be designed such that the error system E in the form of (23) is stable and its H 2 norm is minimized. Formally, as is well known, the H 2 norm of E is...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 08/08/2014, 13:20

... Reluctance Machines 400 7.3 DC Machines 404 7.3.1 Configuration of DC Machines 404 7.3.2 Operation and Voltage of a DC Machine 405 7.3.3 Armature Reaction of a DC Machine and Machine Design 409 7.3.4 ... Symbols D r outer diameter of the rotor [m] D ri inner diameter of the rotor [m] D s inner diameter of the stator [m] D se outer diameter of the stator [m] D1–D2 series magnetizing winding of a DC machine d thickness ... Jokinen, who has spent decades in developing the Finnish machine design profession. An important view of electrical machine design is provided by Professor Val ´ eria Hrabovcov ´ a from Slovak Republic, which...

Ngày tải lên: 07/03/2014, 10:20

... (2.98) The selectivity of the Mth component (reactant) towards the Nth component (product) is defined as the ratio between the rate of production of component N and the rate of consumption of component ... M: S NM =  1 0 a(s)   J j=1 ν Nj φ 2 j f j (u,θ)  s n ds  1 0 a(s)   J j=1 ν Mj φ 2 j f j (u,θ)  s n ds . (2.99) The yield of desired product N with respect to reactant M is defined as the ratio between the actual rate of production of component N and the rate of consump- tion of reactant M which ... which decrease the concentra- tion of DCE along the depth of the pellet. An active layer placed at subsurface locations is exposed to a lower concentration of DCE than is a surface catalyst. This...

Ngày tải lên: 01/04/2014, 10:26

... engineering education and of the text Machine Design: An Integrated Approach. He is a Fellow of the Ameri- can Society of Mechanical Engineers and a member of the Society of Automotive Engi- neers. ... engineering with emphasis on design, kinematics, and dynamics of machinery. He is the author of numerous technical papers and journal articles covering kinematics, dynamics of machin- ery, carn design and manufacturing, ... production machinery. He holds 13 U.S. patents. Norton has been on the faculty of Worcester Polytechnic Institute since 1981 and is currently professor of mechanical engineering and head of the design...

Ngày tải lên: 08/04/2014, 11:35

... the Laboratory of Design for Cognition. Professor Lahlou's current research interests are in the application of social sciences to the real world, and especially the design of human-friendly ... School of Industrial Design of the University of Montreal. She is doing her thesis on the autotelic experience, which is a dimension of the user experience. She is currently co-teaching a design ... eects of sleep loss 37 0 17.3 Relative risk of a fatigue-related fatal truck crash as a function of time of day 37 1 17.4 Relative risk of a fatigue-related fatal truck crash as a function of hours...

Ngày tải lên: 31/05/2014, 01:47

... continuity of the cam design at the segment interfaces. The values of each function at the beginning and end of each segment are grouped together for easy viewing. The fundamental law of cam design ... display of out- put data in the form of tables and plots. All the programs are designed to be user friendly and reasonably "crashproof." The author encourages users to email reports of any ... one sets out to design a piece of new equipment. First, he visualizes a series of complete machines with gaps where the problem or un- known areas are. During this time, a number of directions...

Ngày tải lên: 27/06/2014, 14:20

Ngày tải lên: 08/08/2014, 12:23

Ngày tải lên: 08/08/2014, 13:20

Ngày tải lên: 08/08/2014, 13:20