... et al [3], and Samoilenko and Perestyuk [4] where numerous properties of their solutions are studied, and a detailed bibliography is given Semilinear functional differential equations and inclusions ... Belmekki et al [25], Corduneanu and Lakshmikantham [26], Hale and Kato [21], Hino et al [24], Lakshmikantham et al [27] and Shin [28] The literature related to ordinary and partial functional differential ... the books [29–32] and the papers therein On the other hand, functional differential equations with state- dependent delay appear frequently in applications as model of equations and for this reason...
Ngày tải lên: 29/10/2015, 14:19
... of one couple (between Henri and Sonia and between Hubert and Inès with Henri and Sonia using indirectness- indirectness the most frequently) There is one indirect speech act which is not recognized ... speech acts and its main terms within the framework of the theory of direct and indirect speech acts It further explains indirectness and its usage in every day communication, jokes and drama In ... direct -indirect, indirect- direct and indirect- indirect The proportion of individual strategies differs, yet there is one which is obviously dispreferred – an indirect- direct strategy, the number of indirect- direct...
Ngày tải lên: 10/04/2013, 10:37
Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor
... the torque and flux hysteresis bands are 0.001N·m, and 0.001 Wb, respectively Implementations of torque, q– and d–axis rotor reference frame stator currents and three-phase currents and Back-EMFs ... from the measured stator voltages Vsα and Vsβ and currents i sα and isβ , then by using (1) and (4) qand d-axis flux linkage are drived Also, by usig (4) qand d-axis current are calculated Finally, ... electromagnetic torque, fluxs and currents in dq reference frame have been used The stator flux-linkage vector can be obtained from the measured stator voltages Vsα and Vsβ and currents isα and isβ as ψ sα...
Ngày tải lên: 03/01/2014, 19:45
Direct torque and indirect flux control of brushless DC motor
... [Tα β ] ⎣ Xb ⎦= [Tα β ]+ [TL L ] Xca Xc OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 353 After (3) is expanded and multiplied by the original × Park transformation ... estimated torque tracks the reference quite well OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR Fig Steady state and transient behavior of the experimental (a) (Top) ... In this study, indirect torque control method of BLDC motor explained in [29] is extended to a direct torque and indirect flux control technique, which is suitable for sensorless and fluxweakening...
Ngày tải lên: 03/01/2014, 19:46
Tài liệu Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical ppt
... Voltage and Frequency 7.4 Operation from a Source of Variable Frequency and Voltage 7.5 Controllers for PMAC Machines 7.6 Brushless DC Machines 81 81 81 82 82 Line Controlled Rectiers 8.1 1- and ... understanding of modern machines and drives Power electronics are introduced, at the device and systems level, and electrical drives are discussed Equations are kept to a minimum, and in the examples ... amplitudes and v , and initial phases, i and v , and the same frequency, = 2/T 2f : i v(t) i(t) = v sin(t + v ) = sin(t + i ) i (1.2) (1.3) In this case the rms values of the voltage and current...
Ngày tải lên: 25/01/2014, 13:20
Tài liệu ARKANSAS STATE HIGHWAY AND TRANSPORTATION DEPARTMENT EQUIPMENT AND PROCUREMENT DIVISION BID INVITATION doc
... ARKANSAS STATE HIGHWAY AND TRANSPORTATION DEPARTMENT Page STANDARD BID CONDITIONS H-13-136P ACCEPTANCE AND REJECTION: The Arkansas State Highway and Transportation Department ... and to award bids to best serve the interest of the State PRICES: Unless otherwise stated in the Bid Invitation, the following will apply: (1) unit prices shall be bid, (2) prices should be stated ... The AHTD is not exempt from Arkansas State Sales and Use Taxes, or local option city/county sales taxes, when applicable, and bidders are responsible to the State Revenue Department for such taxes...
Ngày tải lên: 15/02/2014, 13:20
Chapter 10 DC machines and drives
... only two states In the first state, which occurs over interval A, S1 and S2 are closed and S3 and S4 are open The second state occurs over interval B, wherein the S3 and S4 are closed and S1 and S2 ... steps low and S1 and S2 are opened and S3 and S4 are close The armature * current decreases until ia = ia − ε , at which time the comparator output becomes high; S1 and S2 are closed and S3 and S4 ... 10.11-2) When the output of this comparator (L) is high, S1 and S2 are closed and S3 and S4 are open; when L is low, S3 and S4 are closed and S1 and S2 are open The action of this type of current control...
Ngày tải lên: 16/02/2014, 18:48
Analysis of electrical machines and drive systems, second edition
Ngày tải lên: 16/02/2014, 19:02
Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf
... e.g Lee and Myaeng’s (2002) genre and subject detection work and Boulis and Ostendorf’s (2005) work on feature selection for topic classification For our LM classifiers, we followed Boulis and Ostendorf’s ... development and test sets The dev and test sets are the same size and each consist of approximately 5% of the data for each grade level measures For comparison to other methods, e.g Flesch-Kincaid and ... results Figures and show DET curves for this set of classifiers on the development set and test set, respectively The grade and classifiers have the best performance, probably because grade and must be...
Ngày tải lên: 20/02/2014, 15:20
Tài liệu AN EDUCATIONAL PROGRAN ABOUT MACHINES AND MOTION IN THE PHYSICAL SCIENCES doc
Ngày tải lên: 22/02/2014, 08:20
Báo cáo khoa học: "Plans, Inference, and Indirect Speech Acts I" potx
... a wide class of indirect forms of requests, assertions, and questions, including the examples in (I) This includes idiomatic forms such as ( a ) and non-idlomatlc Gordon, D and L a k o f f , ... Press, 1962 Cohen, P.R and P e r r a u l t , C.N Task-Oriented Elements of a Plan Based Theory of Speech Acts, forthcoming Concludln~ Remarks Cole, P and Morgan, J L Syntax and Semantics, Vol 3: ... e , J.R Indirect ( e d a ) , 1975 Acts 1969 New Speech Acts, York, in Cole Strawson, P.F (see [ L a k o f f , Walker, D.E Understandin~ Spoken Language North H o l l a n d , 1978 197q] and [Morgan,...
Ngày tải lên: 08/03/2014, 18:20
Washington State Pulp and Paper Mill Boilers: Current and Potential Renewable Energy Production pdf
... Washington State pulp and paper mills In this phase of the study, we determined the energy (steam and electricity) generation capability of Washington State pulp and paper mills The sources and types ... Washington state pulp and paper mills install state- of-the-art power and recovery boiler technology We calculated the amount of renewable energy generated and the increased biomass demand to generate ... were assessed and the age profile of boilers currently in pulp and paper mills was determined Phase Assess the energy potential for Washington State pulp and paper industry with state- of-the-art...
Ngày tải lên: 09/03/2014, 01:20
Báo cáo khoa học: Photosynthetic acclimation: State transitions and adjustment of photosystem stoichiometry – functional relationships between short-term and long-term light quality acclimation in plants ppt
... during a state transition in Chlamydomonas, while in vascular plants only 15–20% of the LHCII complex moves [26] Furthermore, in Chlamydomonas, State and State represent two different metabolic states ... sources typically induce state transitions in the short term and therefore can be used to study both state transitions and the LTR In contrast to the antenna movement during state transitions, the ... reinhardtii and in the higher plant Arabidopsis thaliana, two orthologue thylakoid-associated kinases (TAKs), called STT7 and STN7 [24,25], were identified and found to be essential for state transitions...
Ngày tải lên: 16/03/2014, 06:20
SALSA: Analyzing Logs as StAte Machines pdf
... of state P1 (where a state has well-defined entry and exit points corresponding to the start and the end, respectively, of task P1) Other states that can be derived from this log include the state ... for each of the ReadBlock and WriteBlock states, we can identify the endpoint host involved in the state, and, for each of the ReduceCopy states, the host whose Map state was involved However, ... Maps and Reduces The starts and ends of the ReduceSort and ReduceUser states in the Reduce task were not identifiable from the TaskTracker logs; the log entries only identified that these states...
Ngày tải lên: 16/03/2014, 19:20
the direct and indirect impact of rhetoric
... sister, and rediscover a joy and purpose to her life Rhetoric also has a strong impact in the relationship between Celie and Sofia After Sofia's jail sentence she is very depressed, and Celie ... outburst of rhetoric This reawakens the spirit inside Sofia and allows her to admit to Celie how she helped her and that people understand and love her Without first affecting Sofia with her rhetoric, ... between Celie and Mr Johnson, Shug Avery, and Sofia This rhetoric affects Celie in many ways and from different directions Celie is affected by how she relates to others through rhetoric and how others...
Ngày tải lên: 21/03/2014, 22:53
Computer Network Security - Minnesota State Community and Technical College Detroit Lakes Campus docx
... Books: – Guide to Firewalls and Network Security Intrusion Detection and VPNs ‐Course Technology; Managing Security with Snort and IDS Tools O Reilly Security with Snort and IDS Tools ‐ O’Reilly ... Security Breaches and Countermeasures y • Network Defense – Enrollment controlled by interview with instructor Future (cont d) Future (cont’d) • Pursuing CNSS 4011 and 4013 certification Pursuing CNSS 4011 and 4013 certification ... Revolution; Cain and Able – Write weekly papers on security vulnerabilities yp p y CSEC 2210 Security Breaches & Countermeasures • Objectives: – – – – – – – – – – – – – – Describe threats to and vulnerabilities of systems...
Ngày tải lên: 22/03/2014, 14:20
Research " PLANNING DEVELOPMENT: THE STATE, GLOBALIZATION, AND SHIFTING LOCUS OF PLANNING " ppt
Ngày tải lên: 23/03/2014, 05:23
Báo cáo khoa học: "The intersection of Finite State Automata and Definite Clause Grammars" doc
... approaches are discussed now in turn Finally, the FSA consists of a single state q which is both the start state and the final state, and a single transition ~(q, z) = q This FSA generates =* Observe ... PCP too The following definition and example of a PCP are taken from (Hopcroft and Ullman, 1979)[chapter 8.5] An instance of PCP consists of two lists, A = vx vk and B = w l wk of strings over ... of the states in the FSA It is also straightforward to show that the complexity of this process is cubic in the number of states of the FSA (in the case of ordinary parsing the number of states...
Ngày tải lên: 31/03/2014, 06:20
Báo cáo khoa học: "Foma: a finite-state compiler and library" ppt
... expressions and scripts against other finite -state toolkits The first and second entries are short regular expressions that exhibit exponential behavior The second results in a FSM with 221 states and ... Beesley, K and Karttunen, L (2003) Finite -State Morphology CSLI, Stanford Hulden, M (2008) Regular expressions and predicate logic in finite -state language processing In Piskorski, J., Watson, B., and ... , A., Karta tunen, L., and Karhum¨ ki, J., editors, Finitea State Methods and Natural Language Processing FSMNLP 2005 The Foma project is multipurpose multi-mode finite -state compiler geared toward...
Ngày tải lên: 31/03/2014, 20:20