894 results found.
Year: 2009, Volume: 9, Issue: 2
... does not permit them to update their systems. mental model of the supervised process. • The control/ ... dependability of complex systems, the quantification of the IDEF0 models ensure consistency of the overall modelled reliability, availability ... maintainability, and safety (RAMS) system at each level of the decomposition. Unfortunately, parameters of the ...
Terms matched: 4 - Score: 120 - 494k
Year: 2009, Volume: 9, Issue: 2
... Ron N. Allan, "Value of Security: Modeling Time-Dependent International Symposium on Circuits and Systems 2006: ... 9 ], the statistical estimation has been used to model the I. INTRODUCTION blackouts propagation in power system ... KREC) and the PDF of the load curtailment has models. This method was implemented to determine been determined ...
Terms matched: 3 - Score: 60 - 614k
Year: 2009, Volume: 9, Issue: 2
... , respectively the thickness of the end ring. resistance modeling the machine iron losses; D2+ Ds ( ... power, the copper cage The 2D electromagnetic field computation model of the induction machine compared to the classical one ... the stator X. CONCLUSION windings structure. The numerical models developed in this paper referring to Thus the proposed ...
Terms matched: 3 - Score: 46 - 736k
Year: 2009, Volume: 9, Issue: 2
... tangible aspect of an XML Services Description Language provides a model and an schema is that an XML schema specifies ... is a business process or one.Since underlying business and data models used by part of a business process that can ... projects. As a loosely coupled software component projects requires modelling, measurement, and quantification. the development of ...
Terms matched: 3 - Score: 14 - 486k
Year: 2009, Volume: 9, Issue: 2
... is used to build the potential matrix and then forcing function. The method approximation model and to perform optimization. This applied to magnet thickness and arc angle optimization ... conducted at these DOE points to find the cogging torque and to build the Taguchi models for optimization. Optimization is performed in QualiTek-4 to minimize the Figure 7. ...
Terms matched: 2 - Score: 13 - 1,023k
Year: 2009, Volume: 9, Issue: 2
... CASE an underground pipeline using an original algorithm of Monte 0.868-1.681j 0.646-1.231j 0.049-0.946j Carlo numerical method. Having a starting base [12], the 0.647-1.411j 0.531-1.036j 0.042-0.797j interference model can be introduced and tested. 10-5 In order to determine the place of the Monte Carlo method 0.584-1.01j 0.039-0.736j 0.029-0.565j in the synthesis theory, the paper presents ...
Terms matched: 1 - Score: 29 - 608k
Year: 2009, Volume: 9, Issue: 2
... ), can be any kind of waveform, including DC values. Solving Equations 21, 22 and 23 for a given voltage ratio. Figure 3. Simulink model of the matrix converter (Venturini method). Vom /Vim= Q 0.5, will yield positive value for times tk, tL and tM as in ...
Terms matched: 1 - Score: 5 - 554k
Year: 2009, Volume: 9, Issue: 2
... written as: 2 dvieq In Vout Gm Iout 2 di ieq Noiseless transconductor Figure 7. THD values depending on frequency of the MTD Figure 10. Noise behavioral model of a transconductor. for N= 4 and k= 1 6. 48 Advances in Electrical and Computer Engineering Volume 9, Number 2, 2009 IV ...
Terms matched: 1 - Score: 4 - 1,116k
Year: 2009, Volume: 9, Issue: 2
... s) (12) II. PROPOSED DIRECT TORQUE CONTROL METHOD (SVDTC) Vqs (s) ωs (s )Φ s (s) The dynamic model of the induction machine can be Ts (1+ σTr s) represented in the (d ,q) frame as: GΦs (s)= ...
Terms matched: 1 - Score: 3 - 724k
Year: 2009, Volume: 9, Issue: 1
... Mihailescu. Optimisation of electrostatic separation processes using response surface modeling. IEEE Trans. Ind. Appl., ... voltage factors. The aim of this paper is to model the critical HV Electrode breakdown voltage in a " ... electric discharge of air, and some mathematical controlled. models were proposed for the critical breakdown voltage. As ...
Terms matched: 4 - Score: 163 - 471k