肢體康復(fù)醫(yī)療機(jī)器人研發(fā).ppt

1、Magnetic Flux Concentrator Design,Yang Ge 21/12/2010,Basic Functions,Basic Functions,(a) providing a selective heating of certain areas of the work piece; (b) improving the electrical efficiency of the induction coil; (c) acting as an electromagnetic shield to prevent the undesirable heating of adja

2、cent regions. Handbook of Induction Heating, by V. Rudnev, D. Loveless, R. Cook, and M. Black: Marcel Dekker Inc., New York, 2003, 800 p.,Coil Efficiency Improve,Way to improve the coil efficiency: (a) reducing the coupling distance between the work piece surface; (b) reducing the current carrying r

3、egion of the coil; (c) reducing stray losses (by reducing the reluctance of the air path).,Coil Efficiency Improve,Reducing stray losses,Reducing coupling distance,Reducing power loss,Change of coil electrical efficiency,Material,Flux concentrator materials include laminations, pure ferrites, and pr

4、oprietary iron- and ferrite-based compositions such as Fluxtrol and Ferrotron and Alphaform, Alphaflux, and Alphashield,Material,Material,Hysteresis Loop,http:/www.uk.tdk-,Material,Flux concentrator materials include laminations, pure ferrites, and proprietary iron- and ferrite-based compositions such as Fluxtrol and Ferrotron and Alphaform, Alphaflux, and Alphashield,Fluxtrol,http:/,Hysteresis loop of Fluxtrol,Real hysteresis loop of Fluxtrol 25,Study Plan,Make a simulation by COMSOL or ot