Ngày tải lên: 17/03/2014, 19:21
Tài liệu Điều khiển thích nghi máy công cụ điều khiển số ( Adaptive Control of CNC Machine Tools) ppt
... Automation, Production Systems, and Computer Integrated Manufacturing. Printice-Hall, 1987. 2. Yoram Koren: Computer Control of Manufacturing Systems. McGraw-Hill, 1983. 3. Japanese National Research ... bộ CNC xác định. MEL-Master dùng hệ chuyên gia xử lý theo thời gian thực. Bộ mô phỏng làm việc Off-line, giúp cho ngời vận hành quyết định và kiểm tra chế độ gia công tối u. Hệ MEL-Master tiến...
Ngày tải lên: 10/12/2013, 13:16
Tài liệu Design of a USB Device Driver ppt
... code execution of critical routines Optimize code execution of critical routines – – Design a solution with parallelism of processing and data Design a solution with parallelism of processing ... depth multiple packet depth – – Hardware Retry of Packet Transfers on error Hardware Retry of Packet Transfers on error Key Features of a USB Controller Key Features of a USB Controller 18 ? ? Hardware ... controls camera via control or bulk endpoints. bulk endpoints. – – Design of the communications protocol is contingent Design of the communications protocol is contingent on the Twain data source...
Ngày tải lên: 13/12/2013, 00:15
Tài liệu The Design of Rolling Bearing Mountings P2 ppt
... the end of this publication they are summarized and explained in a glossary of terms, some supplemented by illustrations. The Design of Rolling Bearing Mountings Design Examples covering Machines, ... maximum cutting load of 0.9 kN, axial – shaft weight and spring preload of 0.2 kN. Maximum load on the drive end bearing: radial – maximum belt pull of 0.4 kN, axial – spring preload of 0.5 kN. Bearing ... compensated for by inclining of rolls 1 and 3 and by counterbending of rolls 2 and 4. Moreover, the narrow tolerance of the foil thickness requires a high radial runout accuracy of the bearings and adequate...
Ngày tải lên: 25/12/2013, 05:17
Tài liệu The Design of Rolling Bearing Mountings P1 pptx
... standard-gauge locomotive The Design of Rolling Bearing Mountings Design Examples covering Machines, Vehicles and Equipment Publ. No. WL 00 200/5 EA FAG OEM und Handel AG A company of the FAG Kugelfischer ... bearings for domestic washing machines are dimensioned for an index of dynamic stressing f L = 0.85 1.0. These values correspond to a nominal life of 300 500 hours of spinning. In the example ... arranged. Bearing selection The axial load of 130 kN is made up of the weight of the rotor and the two variable top and bottom fan im- pellers as well as the thrust of these fan impellers. They are supported...
Ngày tải lên: 25/12/2013, 05:17
Tài liệu The Design Of Manufacturing Systems P1 pptx
... Computer-Integrated Manufacturing 3. Operational Methods in Computer-Aided Design 4. Optimization Methods for Manufacturing 5. The Design of Manufacturing Systems 6. Manufacturing Systems Processes 7. ... at the core of the contents of this volume. This set of volumes consists of seven distinctly titled and well-integrated volumes on the broadly significant subject of computer-aided design, engineering, ... constraints. 1. Limit on the number of expansions of some processes: (1.13) where NEXP(i) is the maximum allowable number of expansions of process i and IЈ is the set of indices for the process whose...
Ngày tải lên: 19/01/2014, 18:20
Tài liệu The Design Of Manufacturing Systems P2 pptx
... presence of a particular type of feature. The approach of extracting manufacturing features seems very logical given the fact that these features can be mapped onto a limited number of manufacturing ... the design by features approach assumes that the designer is capable of choosing the best set of features to model a given artifact that has complex interacting features. The notion of capturing ... relationship to other elements of design, ” “a computer representable data relating to functional requirements, manufac- turing process or physical properties of design, ” “attributes of work pieces whose...
Ngày tải lên: 25/01/2014, 13:20
Tài liệu bruhn analysis and design of flight vehicles structures pptx
Ngày tải lên: 13/02/2014, 20:20
Tài liệu MARKETING APPLE 5 SECRETS OF THE WORLD''''S BEST MARKETING MACHINE pptx
Ngày tải lên: 18/02/2014, 02:20
Tài liệu Design of Feedback Control Systems for Stable Plants with Saturating Actuators ppt
... (3.10) Page 28 4.3 Simulation of a Model of the F8 Aircraft The purpose of this example is to illustrate the effects of multiple saturations on the directions of the controls and ... problems in the performance of the system are solely due to the effects of the saturation upon the direction of the control vector. Page 3 designed. When the signals are ... described above, then x(t)e BA,C for all t and for all u(t). Proof: The proof of this Lemma follows from the construction of X(t). //// Page 17 r … Logic ' I, - ex(t)I K(s)...
Ngày tải lên: 18/02/2014, 10:20
Tài liệu The Design of Prestressed Concrete Bridges ppt
... Construction of arches 512 12 The nature of design His choice will be informed by other aspects of the project, for instance: the number of similar columns in the project; the range of heights of such ... shape and size of the cut-out. The fi nal judgement on a design must rest with the combined response of public and profession. The choice of a solution that is expressive of the fl ow of forces applies ... thrust of the 55 m span portal subjected to highway loading. However, it is well loved and admired, and is one of only two major bridges designed by Lutyens. 1 The nature of design 1.1 Design...
Ngày tải lên: 18/02/2014, 18:20
Tài liệu Machine safety Prevention of mechanical hazards pptx
... evaluation: Is the machine safe ? Determination of the limits of the machine Updating risk assessment Are other hazards generated ? Hazard identification Risk estimation Start End Inherently safe design measures Risk reduction Guards Guards associated with ... Reliability (of a machine) Capacity of a machine or its components or equipment to perform a required function without failure, under given conditions and for a specific period of time. Safety ... relation to: • the workers using the machine; • the rapidity of appearance of the hazardous event; • the awareness of the hazard’s existence; • the possibility of the worker avoiding or limiting...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: Molecular design of a nylon-6 byproduct-degrading enzyme from a carboxylesterase with a b-lactamase fold ppt
... Department of Materials Science and Chemistry, Graduate School of Engineering, University of Hyogo, Japan 2 Department of Life Science, Graduate School of Life Science, University of Hyogo, Japan 3 ... available: Fig. S1. Stereoview of the catalytic cleft of Hyb-24DN. Fig. S2. Stereoviews of surface structure of Ald-bound and unbound Hyb-24DNY. Fig. S3. Stereoview of the catalytic cleft of Hyb- 24DNY and ... coordinates of Hyb-24DN-A 112 –Ald for protein crystals of Hyb-24D-A 112 – Ald and of Hyb-24DNY-A 112 –Ald. Several cycles of manual model rebuilding were performed by xfit [24]. Results of the crystal...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: "Machine Aided Error-Correction Environment for Korean Morphological Analysis and Part-of-Speech Tagging" pptx
... format of error rule. As a result of experiment, about 63.2% of tagging errors were corrected. Our environment needs further enhance- ments. One is the need of observation on the pattern of ... Words Some of the tagging errors come from the un- known word - absence of the word entry in the dictionary. If at least one sequence of morpho- logical analysis can produce sequence of mor- ... HMM Part -of- Speech Tagger for Korean with wordphrasal Relations". In Proceedings of Recent Advances in Natural Language Pro- cessing. 1019 editor Figure 2: The Structure of Proposed...
Ngày tải lên: 08/03/2014, 05:21
Báo cáo khoa học: "THE DESIGN OF THE KERNEL ARCHITECTURE FOR THE EUROTRA* SOFTWARE" pptx
... systems to be generated is the one of expert systems because the design of software for an MT system of the scope of gurotra has much in common with the design of a very large expert system. ... hardware, while " ;machine& quot; is the object with which a programmer communicates. The essence of the task of designing software tools is to transform a computer into a machine which corresponds ... knowledge of experts in the problem domain can be communicated to and used by the system as on the programming skill of the software designers and implementers. Typically, the designers of expert...
Ngày tải lên: 08/03/2014, 18:20
Principles of Computer Organization and Assembly Language Using the JavaTM Virtual Machine pptx
... registered trademark of Sun Microsystems, Inc. Pentium is a trademark of Intel Corporation. Visual C++ is a registered trademark of Microsoft Corporation. PowerPC is a registered trademark of IBM Corporation. 10987654321 ISBN ... that runs at a speed of 3.60 gigahertz (GHz), or 3,600,000,000 machine cycles per second. Most of the basic operations a computer can perform take one machine cycle each, so another way of describing ... computer open to infection by a computer virus, theft of data, or simply deletion or corruption of crucial system files. The virtual machine, being software only, is in a position to vet attempted disk...
Ngày tải lên: 15/03/2014, 02:20
Báo cáo khoa học: Template-assisted rational design of peptide inhibitors of furin using the lysine fragment of the mung bean trypsin inhibitor pptx
... ideal template for the design of potent, specific and stable furin inhibitors. Here we report the design and synthesis of various peptide analogs derived from the Lys fragment of MBTI and their functional ... of enzyme was added to release 15 nmol of MCA in the 1 min enzyme reaction. For determination of the inhibitory activity, a fixed amount of enzyme was first incu- bated with different amounts of ... inhibitory activity of the Lys domain was higher than that of the Arg domain, this study focused on the former. The Lys domain con- sists of two peptide chains, which are composed of 26 and nine residues,...
Ngày tải lên: 16/03/2014, 13:20
Báo cáo khoa học: "translation of russian technical literature by machine" pptx
... possessing a center of symmetry.” The error was the result of the rather uncommon use of the Russian word число to mean “group” instead of “number.” To eliminate this type of error, some of the rarer ... on the part of human translators. The crude examples of machine translation pre- sented above were produced with only a minimum of use of Russian grammar, namely the addition of a parenthetical ... output of a translative machine are decreased, but the expense of increased complexity of design and increased maintenance cost must be borne in mind. It would be easy to go beyond the point of...
Ngày tải lên: 16/03/2014, 19:20
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