Spectral Decomposition: Coordinated Control of Fast- and Slow-Tool Servo Actuators

Sept. 21, 2015
Sponsored by Delta Tau
As demands for machine productivity increase, there is a growing interest in the use of fast-tool servos in motion control applications. These actuators have a very high bandwidth, but typically a very limited travel range. Examples include voice-coil motors, piezo crystals, laser galvanometers and magnetostrictive transducers. 

Our latest application note describes Spectral Decomposition, a new strategy for pairing these fast tool servos with standard slow-tool servos. The result is a servo system that can deliver high-bandwidth performance without sacrificing range of travel.

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