Research on field weakening based on reactive power with BLDC motor for electric vehicle application

... Research on Field- Weakening Based on Reactive Power with BLDC Motor for Electric Vehicle Application ∗Jinsong KangDepartment of Electrical Engineering,TongJi University,Shanghai,P.R.C.,Email:kjs@mail.tongji.edu.cnDepartment ... field -weakening based on reactive power using BLDC motor was designed.The experiment and result was test the validity of field- weakening based on reactive power with BLDC for Electric Vehicle Application. Index ... EXPERIMENT AND RESULT OF FIELD - WEAKENING CONTROL WITH BLDC MOTOR FOR ELECTRIC VEHICLE In order to test the validity of field -weakening control based on reactive power with BLDC motor. The experimentsare...

LECTURE SLIDES ON NONLINEAR PROGRAMMING BASED ON LECTURES GIVEN AT THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY CAMBRIDGE, MASS DIMITRI P. BERTSEKAS

... λ,1)CONVEXITYConvex Sets Nonconvex Setsxyαx + (1 - α)y, 0 < α < 1xxyyxyConvex and nonconvex sets.αf(x) + (1 - α)f(y)xyCzf(z)A convex function. Linear interpolation underestimatesthe ... toaff(X).•Every nonempty convex set has a nonemptyrelative interior.DUALITY THEOREM FOR EQUALITIES•Assumptions:−The setXis convex and the functionsf,gjare convex overX.−The ... Danskin’s Theorem:Consider the functionf(x)=maxz∈Zφ(x, z), whereφ : n+m→is continuous,Zis compact, andφ(·,z)is convex for eachz ∈ Z.Thenfis convex and∂f(x)=Convex Hull∂xφ(x,...

Single phase uninterruptible power supply based on z source inverter

... battery bank with highefﬁciency, low harmonics, fast response, and good steady-stateperformance in comparison with traditional UPSs. The simulationand experimental results of a 3-kW UPS with the ... simulation results, the waveform distortion is obvious for the tradition UPS, whereas the sinusoidal waveform can bemaintained for the proposed UPS. Fig. 11(c) further shows thestrong regulation ... voltage. The waveform distortion can be observed for the traditional UPS, whereas the sinusoidal waveform can bekept for the proposed UPS. Fig. 9(c) further shows the strongregulation capability...

Reliability analysis of power system based on generalized stochastic petri nets

... condition onlythe transition TPUTof the protection of line L1, then weonly need the information contained in the column I1ofTable III. This column resumes the current of L1 on eachone ... are connected to a transition through its inputand inhibition functions.The idea here consists in introducing a new place psinthe SMN for each component that contains a transition with marking-dependency. ... interconnected among them. Such sub-blocks representthe different components of the transmission grid, whereastheir interconnections symbolize the logical interactions.The construction rule for...

Reliability analysis of a power system based on the multi state system theory

... performance degradation of the power system. So there can be several states of degradation. Compared with binary system, the multi-state system can perform its task with many different performance ... Reliability Analysis of a Power System Based on the Multi-State System Theory Chunyang LI College of Mechatronics Engineering and Automation National University of Defense Technology ... PROBLEM FORMATION The power system is composed of eight identical batteries. A branch consists of two batteries connected in series, and the system consists of four branches connected in parallel...

conditional random field for tracking user behavior based on

... one. It is a SCRF model with three nodes, one for class R, one for class C and one for class I. It works on segmental features where segments correspond to sequences where the user visits one ... Conditional Random Fields (CRF) has been shown to overcome traditional Markovian models in a series of information retrieval tasks such as information extraction, named entity recognition… ... Conditional Random Fields offer some advantages over traditional models for sequence labeling. These conditional models have mainly been introduced up to now in the information retrieval context...

Báo cáo y học: "Gain of a 500-fold sensitivity on an intravital MR Contrast Agent based on an endohedral Gadolinium-Cluster-Fullerene-Conjugate: A new chance in cancer diagnostics"

... Gd concentrations. This modularly designed contrast agent represents a new tool for improved monitoring and evaluation of interventions at the gene transcription level. Also, a widespread monitoring ... Ligation reaction based on the Diels Alder Reaction with invers electron demand. [EP 06 012 414.6]. 6-10-2006. 46. Reppe W, Schlichting O, Klager K, et al. Cyclisierende Polymerisation von Acetylen ... synthesis and application of a GdxSc3-xN@C80-BioShuttle-conjugate referred to as Gd-cluster@-BioShuttle, which features high proton relaxation and, in comparison to the commonly used contrast...

Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers

... of emotion in poetic discourse23information, questions are expressions which ask information, and commands are expressions which ask for something to take place. Each of these functions has ... metaphor in description of emotion in poetic discourse20 with a conjunction but when conjunctions are realized through processes and nouns allowing for two or more clauses to become one, it is referred ... alllovey-dovey.Metaphor for +BODY-AS-CONTAINER -FOR- EMOTIONS+ ex. He wasfilledwith anger.emotion +EMOTIONAL-EFFECT-AS-PHYSICAL-CONTACT+ ex. I was struckbyhis sincerity.in general +EMOTION-AS-BOUNDED-SPACE+...

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Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory

... of consolidation at 50% consolidation; this method requires the determination of the initial and final compressions corresponding to 0 and 100% consolidation, respectively. The determination ... out that Fig. 3 includes only the data points for which the coefficient of consolidation vc was observed to be constant with consolidation pressure vc'σ conforming to the Terzaghi ... importance for a realistic determination of the coefficient of consolidation (Olson, 1986; Robinson, 1999). SUMMARY AND CONCLUSIONS In the present study, a new method is developed for Consolidation...

1 UNFIRED BRICK USING FLY ASH AND RED MUD BASED ON GEOPOLYMER TECHNOLOGY

... destruction–coagulation, coagulation–condensation, condensation crystallization. Afterthat, Glukhovsky theories were extended by different authors. In this theories [3], dissolution of the ... dissolution of solid particles at the surface results in the liberation of aluminate and silicate most likely in monomeric form into solution. This is the mechanism responsible for conversion of ... absorption Water absorption of unfired brick decreases respectively as content of fly ash is increased. Figure 9 shows the relationship between fly ash content and water absorption with content...

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