Velocity feedback compensation for force control systems

Details Velocity feedback compensation for force control systems Velocity feedback compensation for force control systems

2007-10-16

2007-10-16

Thompson, Jewel (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

Reexamination Certificate

active

11221006

ABSTRACT:
A force control system (50, 300) for actuation of a test object (54, 304) includes a force actuator (52, 356) that is coupled to and applies a force on the test object (54, 304). A velocity signal generator (124, 310) is in a feedback configuration relative to the force actuator and generates a velocity signal (150, 324) that is indicative of the velocity of the test object (54, 304). A controller (62, 302) is coupled to the force actuator (52, 356) and to the velocity signal generator (124, 310) and generates a desired applied force signal (130, 380) compensated by the velocity signal (150, 324).

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Yu et al., “Force-vibration testing of buildings using the linear shaker seismic simulation (LSSS) testing method”, 13thWorld Conference on Earthquake Engineering, No. 2206, 2004, XP002417567.

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