DocumentCode
787645
Title
Design considerations for permanent magnet polarised electromagnetically actuated brakes
Author
Zhu, Z.Q. ; Jewell, G.W. ; Howe, D.
Author_Institution
Dept. of Electron. & Electr. Eng., Sheffield Univ., UK
Volume
31
Issue
6
fYear
1995
fDate
11/1/1995 12:00:00 AM
Firstpage
3743
Lastpage
3745
Abstract
A permanent magnet, series polarised electromagnetic actuator for controlling friction brakes, on fork-lift trucks and other vehicles, has been designed and tested. The force capability is enhanced significantly by utilising flux focusing and optimising the magnetic circuit, while a critical performance feature is that the attractive force developed at both inner and outer air gaps becomes zero simultaneously when an appropriate coil MMF is applied
Keywords
brakes; electric actuators; electromagnetic devices; magnetic circuits; permanent magnets; vehicles; attractive force; design considerations; flux focusing; force capability; fork-lift trucks; friction brakes control; inner air gaps; magnetic circuit optimisation; outer air gaps; permanent magnet electromagnetic actuator; series polarised electromagnetic actuator; vehicles; Actuators; Air gaps; Circuit testing; Coils; Electromagnetic forces; Electromagnetic wave polarization; Friction; Magnetic circuits; Permanent magnets; Vehicles;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/20.489757
Filename
489757
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