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Ac current - DOAJ

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Last Updated: 12 May 2022

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Designing a High-Precision AC Current Source to Measure the nm-Scale Displacements in Mechanical Systems

Regardless of the sensor's output impedance changes, the current flowing through the sensor must remain stable. In this way, the voltage across the probe is proportional to the distance between the probe and the target. However, the investigation's high impedance cannot be ignored in comparison to the output impedance of the Howland source. The latest scheme calls for two nested loops and two cascaded controllers, as a quick but precise outer control loop in order to obtain a high-precision AC output current.

Source link: https://doi.org/10.1155/2019/9451808

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions