scholarly journals Friction compensation for a force controlled electric actuatorwith unknown sinusoidal disturbance motion

Author(s):  
Pooh Eamcharoenying ◽  
Andy Hillis ◽  
Jos Darling
2005 ◽  
Vol 38 (1) ◽  
pp. 7-12
Author(s):  
Hyo-Sung Ahn ◽  
YangQuan Chen

2007 ◽  
Vol 1 (3) ◽  
pp. 259-283 ◽  
Author(s):  
David Anderson ◽  
Matt MacDonald ◽  
Paul Ingleby ◽  
Nick Brignall

2000 ◽  
Author(s):  
Sriram Chandrasekaran ◽  
Douglas K. Lindner ◽  
Don Leo

Abstract In this paper we study the closed loop power flow characteristics between a controlled piezoelectric actuator and a current controlled drive amplifier for two different structural control laws. We determine the real and reactive power flow through the structure and actuator into the amplifier when the structure is excited with a sinusoidal disturbance force under both control laws. The dependence of the real and reactive components of the power on the material properties of the actuator, structure and the configuration of the controller is presented. These real and reactive power estimates are useful for sizing the drive amplifier for the actuator.


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