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
... binding and interaction of holo-TCwith the receptor on the cell surface.ResultsEpitope mapping using surface plasmonresonanceEpitope specificity was characterized using a set of 17 mAbs (Table ... accordance with the maximalmAb ⁄ heparin effect on the functional activ-ity of TC. Arrows show the hypotheticalmovement of the domains after attachment of Cbl, see the main text.Mapping of ... alignment of peptide fragments and theirreactivity with mAbs, epitope clusters 2, 4 and 5Fig. 3. Binding of the antibodies to CNBrcleavage peptides of TCy. CNBr peptides of TCywere fractionated...
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Báo cáo khoa học: "A Re-examination of Query Expansion Using Lexical Resources" pptx
... hypernym of X if Xis a (kind of) Y.ã Hyponym(Hypo): X is a hyponym of Y if X isa (kind of) Y.ã Holonym(Holo): Y is a holonym of Y if X is apart of Y.ã Meronym(Mero): X is a meronym of Y if ... re-examine the problem of query expansion using lexical resources with therecently proposed axiomatic approaches (Fang andZhai, 2006). The major advantage of axiomatic ap-proaches in query expansion ... performance of using thissimilarity function with that of using the mutual in-formation based functions, i.e., sMIBLand sMIImp.The experiments are conducted over two types of queries,...
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Fast Computation of Database Operations using Graphics Processors pptx
... GainSeveral of our algorithms for database operations are onlyable to use a subset of the capabilities of the GPUs. In thesecases, we have observed a speedup of nearly a factor of 2to 4 times ... editor, Proceedings of the Twenty-FirstACM SIGMOD-SIGACT-SIGART Symposium onPrinciples of Database Systems: PODS 2002, pages109–120, 2002. ACM order number 475021.[33] J. Rossignac, A. Megahed, ... all of whichcan 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...
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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 theunknown words in a document which have thesame lexical form. We suppose that such parts- of- speech have correlation, and the part -of- speech of ... appear inthe training data. The number of unknown wordsin 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 thedocument, rather than independently maximizingthe probability of each part -of- speech given eachsentence....
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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 positionswithin the workspace.Methods Control system architectureThe conceptual scheme of the implemented control ... emulateaprosthetichand.Itconsists of four under-actuated anthropomorphic fingersand a thumb based on Hirose's soft finger mechanism[47] and actuated by six DC motors. Five of them,located re motely, control finger ... borrowedfrom the human motor control [ 36-38]. The sensori- motor systems of a human, when grasping, builds theopposition space and orients the hand to match theopposition space of the hand to the...
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Báo cáo hóa học: " Research Article Inference of Boolean Networks Using Sensitivity Regularization" pptx
... the assumption of criticality. Wedemonstrate that taking criticality into account via a penalty term in the inference procedure improves the accuracy of predictionboth in terms of state transitions ... ranging from 10 to40. There are total of 200 networks for each value of the sensitivity. The left columns of Figures 1–5 are thehistograms of the distribution of the true state-transitionerror ... the face of small sample sizes, particularlybecause the number of variables in the system (e.g., genes)typically greatly outnumbers the number of observations.Thus, estimates of the errors of...
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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...
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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,...
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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 ‹— d0Measure...
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Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor
... shapes require very fast controllers in particular at high speed. Classical bandwidth of the controller (such as proportional–integral) does not allow tracking all of the reference current ... and effectiveness of the sensorless three-phase conduction DTC of a BLDC motor drive with six-switch inverter. 2. The Proposed Sensorless DTC of Four-Switch BLDC Motor Drive Using Three-Phase ... 2.1 Principles of the Proposed Method Title Block Indirect torque control method of BLDC motor explained in [9] was extended to a direct torque and indirect flux control technique for six-switch...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25