Title :
An analytical dynamic model of eddy-current brakes
Author :
Lesobre, A. ; Ahmedl, A.H.B. ; Drecq, D.
Author_Institution :
Lab. d´´Electr. Signaux et Robotique, CNRS, Cachan, France
Abstract :
This paper examines eddy-current brakes. Our aim is to model the brake and estimate its braking power. We focused on a static model, in which the flux density distribution on the eddy current surface was calculated using finite element methods. Next, we derived a dynamic model whose eddy currents were computed by means of an analytical expression. We then performed a 2D analytical calculation, which could be compared with finite element calculations using the ANSYS(R) code, followed by a 3D analytical calculation
Keywords :
eddy current braking; eddy currents; electric machines; finite element analysis; magnetic flux; 2D analytical calculation; 3D analytical calculation; ANSYS code; EM modelling; braking power estimation; dynamic model; eddy current surface; eddy-current brakes; finite element calculations; finite element methods; flux density distribution; static model; Analytical models; Eddy currents; Electromagnetic modeling; Finite element methods; Magnetic analysis; Magnetic fields; Performance analysis; Robots; Structural discs; Vehicle dynamics;
Conference_Titel :
Electric Machines and Drives Conference, 2001. IEMDC 2001. IEEE International
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-7091-0
DOI :
10.1109/IEMDC.2001.939285
