Setting up a Closed-Loop Electrodynamic Shaker System

Quick Tip Videos

A vibration testing system includes a vibration controller that is directed by a software platform to interact with a power amplifier, shaker, and one or more transducers. The controller forms a loop with the shaker and device under test (DUT) by sending an analog signal to the power amplifier driving the shaker’s armature (or control valve) voice coil. The controller forms this drive signal by comparing the (analog) control acceleration measured on the shaker table or DUT with the desired demand reference.

In this quick tip video, learn how to set up a closed-loop system that includes a shaker, blower, amplifier, drive cable, and accelerometer. Then, go through the necessary steps to supply power, connect the controller to the software, and set up the test in the software.

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