speed control of ac motor using pwm technique ppt

Tài liệu Báo cáo khoa học: Mapping the functional domains of human transcobalamin using monoclonal antibodies pptx

Tài liệu Báo cáo khoa học: Mapping the functional domains of human transcobalamin using monoclonal antibodies pptx

... binding and interaction of holo-TC with the receptor on the cell surface. Results Epitope mapping using surface plasmon resonance Epitope specificity was characterized using a set of 17 mAbs (Table ... accordance with the maximal mAb ⁄ heparin effect on the functional activ- ity of TC. Arrows show the hypothetical movement of the domains after attachment of Cbl, see the main text. Mapping of ... alignment of peptide fragments and their reactivity with mAbs, epitope clusters 2, 4 and 5 Fig. 3. Binding of the antibodies to CNBr cleavage peptides of TC y . CNBr peptides of TC y were fractionated...

Ngày tải lên: 20/02/2014, 01:20

12 514 0
Báo cáo khoa học: "A Re-examination of Query Expansion Using Lexical Resources" pptx

Báo cáo khoa học: "A Re-examination of Query Expansion Using Lexical Resources" pptx

... hypernym of X if X is a (kind of) Y. ã Hyponym(Hypo): X is a hyponym of Y if X is a (kind of) Y. ã Holonym(Holo): Y is a holonym of Y if X is a part of Y. ã Meronym(Mero): X is a meronym of Y if ... re-examine the problem of query expansion using lexical resources with the recently proposed axiomatic approaches (Fang and Zhai, 2006). The major advantage of axiomatic ap- proaches in query expansion ... performance of using this similarity function with that of using the mutual in- formation based functions, i.e., s MIBL and s MIImp . The experiments are conducted over two types of queries,...

Ngày tải lên: 17/03/2014, 02:20

9 244 0
Fast Computation of Database Operations using Graphics Processors pptx

Fast Computation of Database Operations using Graphics Processors pptx

... Gain Several of our algorithms for database operations are only able to use a subset of the capabilities of the GPUs. In these cases, we have observed a speedup of nearly a factor of 2 to 4 times ... editor, Proceedings of the Twenty-First ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems: PODS 2002, pages 109–120, 2002. ACM order number 475021. [33] J. Rossignac, A. Megahed, ... all of which can be implemented using the counting capability of the occlusion queries on GPUs. To perform these operations on a relational table using GPUs, we store the attributes of each record...

Ngày tải lên: 23/03/2014, 12:20

12 337 0
Báo cáo khoa học: "Guessing Parts-of-Speech of Unknown Words Using Global Information" ppt

Báo cáo khoa học: "Guessing Parts-of-Speech of Unknown Words Using Global Information" ppt

... distribution of the parts -of- speech of all occurrences of the unknown words in a document which have the same lexical form. We suppose that such parts- of- speech have correlation, and the part -of- speech of ... appear in the training data. The number of unknown words in the test data of each corpus is shown in Ta- ble 1, parentheses. Accuracy of POS guessing of unknown words is calculated based on how ... finds a set of parts -of- speech by max- imizing its conditional joint probability given the document, rather than independently maximizing the probability of each part -of- speech given each sentence....

Ngày tải lên: 23/03/2014, 18:20

8 296 0
Báo cáo hóa học: " Cognitive vision system for control of dexterous prosthetic hands: Experimental evaluation" pptx

Báo cáo hóa học: " Cognitive vision system for control of dexterous prosthetic hands: Experimental evaluation" pptx

... efficacy of grasping the objects, typical for daily activities, placed at different positions within the workspace. Methods Control system architecture The conceptual scheme of the implemented control ... emulateaprosthetichand.It consists of four under-actuated anthropomorphic fingers and a thumb based on Hirose's soft finger mechanism [47] and actuated by six DC motors. Five of them, located re motely, control finger ... borrowed from the human motor control [ 36-38]. The sensori- motor systems of a human, when grasping, builds the opposition space and orients the hand to match the opposition space of the hand to the...

Ngày tải lên: 19/06/2014, 08:20

14 683 0
Báo cáo hóa học: " Research Article Inference of Boolean Networks Using Sensitivity Regularization" pptx

Báo cáo hóa học: " Research Article Inference of Boolean Networks Using Sensitivity Regularization" pptx

... the assumption of criticality. We demonstrate that taking criticality into account via a penalty term in the inference procedure improves the accuracy of prediction both in terms of state transitions ... ranging from 10 to 40. There are total of 200 networks for each value of the sensitivity. The left columns of Figures 1–5 are the histograms of the distribution of the true state-transition error ... the face of small sample sizes, particularly because the number of variables in the system (e.g., genes) typically greatly outnumbers the number of observations. Thus, estimates of the errors of...

Ngày tải lên: 22/06/2014, 00:20

12 275 0
Báo cáo nghiên cứu khoa học " Diagnosis and control of diarrhoea in suckling pigs - MS4 " pptx

Báo cáo nghiên cứu khoa học " Diagnosis and control of diarrhoea in suckling pigs - MS4 " pptx

... diarrhoea to improve speed and accuracy of laboratory diagnosis. The third part of the project seeks to improve the production and efficacy of locally-manufactured E. coli vaccines. During the ... has confirmed the presence of a new fimbrial type in E. coli strains causing colibacillosis in Vietnam that would not be controlled by existing vaccines. Existing vaccines are currently imported ... of recommendations during the life of the project, had a significantly lower average pre-weaning mortality compared to the control farms (8.6% ± 3.6 vs 15.6% ± 4.3; p<0.05). One of the control...

Ngày tải lên: 22/06/2014, 12:20

8 243 0
Báo cáo nghiên cứu nông nghiệp " Field control of pest fruit flies in Vietnam " pptx

Báo cáo nghiên cứu nông nghiệp " Field control of pest fruit flies in Vietnam " pptx

... zone for ease of implementation of the project. NIPP handled all aspects of the project north of the city of Danang in central Vietnam, while SOFRI was in charge of the project south of Danang ... Appropriateness of Design Outline the key features of the selected project design and discuss the appropriateness of these, provide a rating of the appropriateness of each design feature using the ... conducted, one in each of three provinces i.e. Moc Chau, Quang Ngai and Tien Giang (e) Farmer Field Schools completed over a 6-month period in each year of the project, one in each of Moc Chau,...

Ngày tải lên: 22/06/2014, 13:20

14 384 0
DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

... : Algorithm of the proposed MPPT control method. Fig.7: Wind turbine output power without MPPT control method for low wind speed. Fig.8: Wind turbine output power with MPPT control method ... method for low wind speed. Fig. 9 and 10 give the wind turbine output power without and with MPPT control method for high wind speed. The impact of the proposed MPPT control method used ... output power with MPPT control method at low wind speed. The use of the MPPT converter imposes a low DC bus voltage to recover the wind energy at the low winds speeds. PWM : d ‹— d 0 Measure...

Ngày tải lên: 03/01/2014, 19:15

5 575 1
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