Model Estimation & Quadrature-Point Controller Design
For driving ultrasound
J.H. Metz (TU Delft - Electrical Engineering, Mathematics and Computer Science)
J.H.F. Jaspers (TU Delft - Electrical Engineering, Mathematics and Computer Science)
A.J. van Genderen – Mentor (TU Delft - Computer Engineering)
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Abstract
The primary objective of the subsystem discussed in this report is to continuously estimate the transfer-response of the system using the position measured by the interferometer, in order to accomplish adapted model inverted control using a dynamically updating model. In addition, this subsystem design incorporates a controller that is crucial for obtaining undisturbed position measurements. This is achieved through a feedback loop that is controlling the DC operating point of the interferometer such that it is at its quadrature point.