Compliance in transmission components tends to decouple the load’s intertia from the servo system at higher frequencies. First-generation auto-tuners didn’t take this “rubber band effect” into account, and even the best tuning specialists need lots of time and a little luck to get optimum performance. Kollmorgen’s chief engineer of servo technology, George Ellis, explains how full-frequency auto-tuning can achieve perfect performance in a matter of minutes.
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