Title :
Performance prediction of Laws´s relay actuator
Author :
Bolton, H.R. ; Shakweh, Y.
Author_Institution :
Dept. of Elect. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK
fDate :
1/1/1990 12:00:00 AM
Abstract :
The authors present the results of an investigation into the Laws relay type of limited motion rotary servoactuator. Laws´s prediction relations based on magnetic equivalent circuits of the actuator are examined, extended and presented in SI units. Quantitative comparisons between predictions and test results for a large actuator designed for an industrial application are discussed. Design aspects are outlined, and the use of the finite-element technique for dealing with highly saturated designs is illustrated
Keywords :
electric actuators; equivalent circuits; finite element analysis; magnetic circuits; relays; servomechanisms; Laws relay actuator; finite-element technique; highly saturated designs; limited motion rotary servoactuator; magnetic equivalent circuits; performance prediction; prediction relations;
Journal_Title :
Electric Power Applications, IEE Proceedings B
