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
... Research on Field- Weakening Based on Reactive Power with BLDC Motor for Electric Vehicle Application ∗ Jinsong Kang Department of Electrical Engineering, TongJi University,Shanghai,P.R.C., Email:kjs@mail.tongji.edu.cn Department ... field -weakening based on reactive power using BLDC motor was designed. The experiment and result was test the validity...
Ngày tải lên: 03/01/2014, 19:47
LECTURE SLIDES ON NONLINEAR PROGRAMMING BASED ON LECTURES GIVEN AT THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY CAMBRIDGE, MASS DIMITRI P. BERTSEKAS
... λ,1) CONVEXITY Convex Sets Nonconvex Sets x y αx + (1 - α)y, 0 < α < 1 x x y y x y Convex and nonconvex sets. αf(x) + (1 - α)f(y) xy C z f(z) A convex function. Linear interpolation underestimates the ... to aff(X) . • Every nonempty convex set has a nonempty relative interior. DUALITY THEOREM FOR EQUALITIES • Assumptions: − The set X is convex and the functions f , g j are convex ove...
Ngày tải lên: 26/10/2013, 17:15
Single phase uninterruptible power supply based on z source inverter
... battery bank with high efficiency, low harmonics, fast response, and good steady-state performance in comparison with traditional UPSs. The simulation and 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 be maintained for the proposed UPS. Fig. 11(c) further shows the stro...
Ngày tải lên: 03/01/2014, 19:12
Reliability analysis of power system based on generalized stochastic petri nets
... condition only the transition TP UT of the protection of line L 1 , then we only need the information contained in the column I 1 of Table III. This column resumes the current of L 1 on each one ... are connected to a transition through its input and inhibition functions. The idea here consists in introducing a new place p s in the SMN for each component that contains a transition with...
Ngày tải lên: 03/01/2014, 19:35
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 Tec...
Ngày tải lên: 03/01/2014, 19:38
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 recognit...
Ngày tải lên: 24/04/2014, 13:20
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 Polymeri...
Ngày tải lên: 26/10/2012, 09:07
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 discourse 23 information, 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 discourse 20 with a conjunction but when conjunctions are realized through processes and nouns allowing for two or more clauses to become one, it...
Ngày tải lên: 07/11/2012, 14:44
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 v c was observed to be constant with consolidation pressure vc ' σ conforming to the Terzag...
Ngày tải lên: 21/03/2013, 14:09
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 ....
Ngày tải lên: 01/04/2013, 22:46