positioning-equipment-whitepapers

  1. Hexapod FAQs 9/24/2021

    Hexapods provide motion in all 6 Degrees of Freedom, X,Y,Z, Pitch, Roll, Yaw.  6-DoF motion platforms and positioning systems are often referred to as Stewart Platforms.

  2. Piezo Controllers/Mechanisms: How To Select The Right Piezo Controller/Driver 8/23/2021

    When selecting a motion controller / driver for a piezo nanopositioning system, a number of questions need to be answered first.  Here’s a check list and an example that can help make the best choice. 

  3. Advances In Piezo Nanopositioning Controllers – Digital Vs. Analog 8/23/2021

    Digital piezo nanopositioning controllers have a reputation for being expensive and only cost efficient in high-end applications. A recent new design approach has changed this situation, making advanced digital control features affordable for main stream piezo motion applications.

  4. Next Generation Piezo Objective Scanners 8/23/2021

    Piezo lens focusing stages improve with longer travel ranges to 800µm, providing faster step/settle and higher resolution.

  5. How Motorized Positioners Meet The Requirements Of Vacuum Applications 3/4/2021

    This white paper focuses on motorized positioners for vacuum applications, describing how they are designed, manufactured, and tested. The paper also discusses what materials are permissible for different vacuum levels and subsequent quality control measurements that can be performed.

  6. Photonic Array Device Assembly 1/20/2021

    PI’s Fast Multichannel Photonic Alignment (FMPA) technology was introduced in 2016.  It quickly amassed prestigious honors like the R&D 100 Award and the Lightwave Innovations Award for its revolutionary ability to perform multiple alignment processes in parallel. Download the case study for the full story.

  7. High Resolution Steps For Angular Displacement Using The Nano-MTA2 9/29/2020

    This app note presents data demonstrating the Nano-MTA2's ability to take extremely small steps of 25 nanoradians and for these steps to be discerned by an external measurement. This performance is possible due to the low noise and high-resolution capabilities of PicoQ® sensors.

  8. Controlling Hexapod 6-DOF Alignment Robots Via EtherCAT® 8/7/2019

    This white paper presents the latest generation of PI hexapod controllers with integrated EtherCAT interface now make it very easy for users to integrate hexapods into automation systems without the need for to perform challenging kinematic transformations.

  9. How To Use A Motion Control System For Spiral 3D Tomography Based On Air Bearings, Linear Motors And Piezo Motors 7/16/2018

    This application note presents the new motion control system and explains how it works based on air bearings, linear motors, and piezo motors.

  10. Engineered Precision Motion Systems – From Laser Machining To Photonics Alignment Benefits From Holistic Approach 1/19/2018

    A multi-axis precision motion system with higher dynamics and throughput targets must have a more holistic design approach to achieve success. There are many obvious advantages to the user when the mechanics, control electronics, and software of a system are designed by the same team.