XIX Sympozjum Srodowiskowe PTZE - materialy.pdf
XIX Sympozjum Srodowiskowe PTZE - materialy.pdf XIX Sympozjum Srodowiskowe PTZE - materialy.pdf
XIX Sympozjum PTZE, Worliny 2009 [3] Wang X.B., Huang Y., Gascoyne P.R.C., Becker F.F., Dielectrophoretic manipulation of particles, IEEE Transactions on Industry Applications, 33, pp. 660–669, 1997. [4] N. Flores-Rodriguez, G.H. Markx, Improved levitation and trapping of particles by negative dielectrophoresis by the addition of amphoteric molecules, Journal of Physics D: Applied Physics, 37, pp. 353–361, 2004. [5] Li W.H., Du H., Chen D.F., Shu C., Analysis of dielectrophoretic electrode arrays for nanoparticle manipulation, Computational Materials Science, 30, pp. 320–325, 2004 [6] Doh I., Cho Y.H., A continuous cell separation chip using hydrodynamic dielectrophoresis (DEP) process, Sensors and Actuators A 121, pp. 59–65, 2005. [7] Crews N., Darabi J., Voglewede P., Guo F., Bayoumi A., An analysis of interdigitated electrode geometry for dielectrophoretic particle transport in microfluidics, Sensors and Actuators, B: Chemical, 125, pp. 672–679, 2007. [8] Chen D.F., Du H., Li W.H., A 3D paired microelectrode array for accumulation and separation of microparticles, Journal of Micromechanics and Microengineering, 16, pp. 1162–1169, 2006. [9] Chen D.F., Du H., Li W.H., Bioparticle separation and manipulation using dielectrophoresis, Sensors and Actuators A, 133, pp. 329–334, 2007. [10] Pohl H A, Dielectrophoresis, Cambridge Univesty Press, 1978. 102
XIX Sympozjum PTZE, Worliny 2009 TRANSVERSE FLUX MOTOR COUPLED WITH VOLTAGE-SOURCE INVERTER Janez Leskovec 1 , Mykhaylo Zagirnyak 2 , Franci Lahajnar 1 , Damijan Miljavec 3,4 1 Kolektor, Idrija, Slovenija, 2 Kremenchuk State Polytechnic University , Kremenchuk, Ukraine, 3 University of Ljubljana, Faculty of electrical engineering, Trzaska 25, Ljubljana, Slovenia, 4 Corresponding author: Tel.: +386 1 4768 281; E-mail: miljavec@fe.uni-lj.si Abstract. The aim of this paper is to present the optimization of outer rotor permanent magnet transverse flux motor (TFM) using design of experiments. The magneto-static finite-element analysis (FEA) is used to calculate cogging torque regarding variation of TFM geometric parameters. Further, in 3-D time-stepping finite-element analysis the TFM model is coupled with a voltage-source inverter. The main objectives of TFM geometry optimization are minimization of cogging torque, maximization of mean electromagnetic torque and minimization of permanent-magnet's volume. All three optimization targets are realized in one TFM design. 1. Introduction The development of soft magnetic composite materials increase the interest in electromagnetic structures with 3-D guided magnetic flux, such as transverse flux motor shown in Fig. 1 [1, 2, 3, 4]. Developed and here presented TFM is composed of inner stator pressed from soft magnetic composite powder, outer non-magnetic rotor joke with permanent magnets and flux concentrators. The three phase coils are in form of ring and positioned in stator slots. The stator poles of each phase are shifted for 120 0 electrical degrees circumferentially regarding each phase. This paper deals with the use of design of experiment (DOE) methodology to optimize TFM performance. Used methodology is belonging to robust design and is based on orthogonal array recommended by Taguchi [5]. TFM performance calculations needs the 3-D FEM analyze and it is time consuming, so the use of Taguchi DOE methodology is an optimal choice. The main purposes of TFM geometry optimization are minimization of cogging torque Tcogg, maximization of mean value of nominal electromagnetic torque Tmean and minimization of permanent-magnet's volume. All three optimization goals must be achieved in one TFM design. So, to take into account all desired optimization goals the use of 3-D magneto-static and 3-D time-stepping finite-element analysis is needed [6]. 103
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<strong>XIX</strong> <strong>Sympozjum</strong> <strong>PTZE</strong>, Worliny 2009<br />
[3] Wang X.B., Huang Y., Gascoyne P.R.C., Becker F.F., Dielectrophoretic manipulation of<br />
particles, IEEE Transactions on Industry Applications, 33, pp. 660–669, 1997.<br />
[4] N. Flores-Rodriguez, G.H. Markx, Improved levitation and trapping of particles by negative<br />
dielectrophoresis by the addition of amphoteric molecules, Journal of Physics D: Applied<br />
Physics, 37, pp. 353–361, 2004.<br />
[5] Li W.H., Du H., Chen D.F., Shu C., Analysis of dielectrophoretic electrode arrays for<br />
nanoparticle manipulation, Computational Materials Science, 30, pp. 320–325, 2004<br />
[6] Doh I., Cho Y.H., A continuous cell separation chip using hydrodynamic dielectrophoresis (DEP)<br />
process, Sensors and Actuators A 121, pp. 59–65, 2005.<br />
[7] Crews N., Darabi J., Voglewede P., Guo F., Bayoumi A., An analysis of interdigitated electrode<br />
geometry for dielectrophoretic particle transport in microfluidics, Sensors and Actuators,<br />
B: Chemical, 125, pp. 672–679, 2007.<br />
[8] Chen D.F., Du H., Li W.H., A 3D paired microelectrode array for accumulation and separation of<br />
microparticles, Journal of Micromechanics and Microengineering, 16, pp. 1162–1169, 2006.<br />
[9] Chen D.F., Du H., Li W.H., Bioparticle separation and manipulation using dielectrophoresis,<br />
Sensors and Actuators A, 133, pp. 329–334, 2007.<br />
[10] Pohl H A, Dielectrophoresis, Cambridge Univesty Press, 1978.<br />
102