Publications
Active vibration isolation using force and velocity as cost functions - experimental results
Carl Q. Howard, Colin H. Hansen (2000)
ICSV7: Proceedings of the 7th International Congress of Sound and Vibration, Garmisch-Partenkirchen, Germany, 4-7 July, p435-442Abstract:
Recent research on the selection of a cost function for active vibration isolation has considered the minimization of the weighted sum of squared force and squared velocity. The minimization of this cost function can provide isolation performance that is close to that achievable when minimizing the total power transmission. One advantage of using the weighted sum of squared force and squared velocity as a cost function, is the independence of the phase accuracy of the force and velocity transducers on the magnitude of the cost function, thus eliminating the problem that plagues structural intensity type cost functions. Here, experimental results are presented that compare the effectiveness of various cost functions and demonstrate the advantage of using the sum of squared force and squared velocity.
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