Providing a feedback signal can be accomplished by a variable gain stage and a phase shifter used to compensate phase shifts caused by the system (typically but not necessarily 90 degrees at resonance). Q-Control modifies the Q factor of a resonator by providing a feedback signal that compensates for losses that occur during an oscillating cycle - therefore increasing the decay time of an oscillation - or by introducing losses - therefore reducing the decay time of the oscillation. Zurich Instruments' Q-Control Example VI, which can be found in the Zurich Instruments LabVIEW APIs example folder.Zurich Instruments HF2LI-MF Multi-Frequency option.Zurich Instruments HF2LI-PID Quad PID controller option.This can be useful to increase phase sensitivity in a phase-locked loop (PLL) setup, for example, or to increase the characteristic frequency of a cantilever to enable faster responses. Using a Zurich Instruments lock-in amplifier, you can measure the quality factor of an arbitrary resonator - typically a resonant beam used in non-contact atomic force microscopy (NC-AFM) applications. Non-Contact Atomic Force Microscopy (NC-AFM) Multi-Frequency Atomic Force Microscopy (MF-AFM) Tunable Diode Laser Absorption Spectroscopy Magnetometry with Ensembles of NV Centers Before MathWorks, he graduated from the Georgia Institute of Technology in 2017 with a Master’s Degree in Electrical Engineering.Quantum Computing with Superconducting Qubits Siddharth Jawahar is a Product Manager for MathWorks with a focus on Control System Toolbox, Simulink Control Design, and Robust Control Toolbox. Implement model-free adaptive control techniques such as extremum seeking and model reference adaptive control for systems with unknown or changing plant dynamics and disturbances.Generate code to automatically tune PID controllers on hardware such as Speedgoat target computers or Texas Instruments C2000 microcontrollers.
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