The roustaness to the primary field in the design of feedforward active structural control systems.

摘要

In the harmonic linear range,determining of the optimal actuator ocnfiguraiton is the first step in the design of feedforward active strcutral ocntorl.But the configuraiton obtained depends on the excitaition sued in simullaitons.Are the actuators still effective with a modified primary field? To answer this question,a definition of the robustness to flucturatiosn of the primiary excitation,is given and justified.From this ddefinition,the analyssi leads to detemrine a ORbustness Index allwing to classify source configuratiosn according to their robustness.The theory is applied using a simple 2D numerical example that ocnsists of a vibrating 1D plate in contact which water.