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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Nanopositioning Systems in Automation Technology

Nanopositioning Systems in Automation Technology

There are more and more applications in the industrial environment for high-precision, piezo-based positioning systems; semiconductor manufacturing is a typical example of this. As a solution supplier for drive technology and positioning systems, PI (Physik Instrumente) therefore offers the E-727 piezo controller in a new variant.

Now, the digital controller can be operated by all industrial motion controllers from ACS Motion Control via EtherCAT and can therefore be integrated into the automation environment as "intelligent driver" for two- or three-axis piezo-based nanopositioning systems, irrespective of whether they work with capacitive, piezoresistive or strain gauge sensors.

A P-I controller with two notch filters optimized for piezo operation allows a high control bandwidth (20 kHz). Intelligent servo algorithms minimize the settling times, which allows repeatability into the subnanometer range. Further highlights of the digital controller include 4th-order polynomial linearization for the mechanics and electronics, an integrated data recorder, an ID chip for fast and quick exchange of the system components as well as subordinate, programmable drift compensation. In addition, there is the option of dynamic digital linearization. This DDL function lowers phase shift and trajectory errors to an indiscernible level in the case of dynamic-periodic applications. This is important for scanning applications that have to identify a particular position and reach it again accurately.

 

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