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  • The Concept of Rate, More Particularly, Angular Rate Pertaining to Rate Gyroscopes
    This applications note discusses in brief, the concept of rate, in particular angular rate, as it pertains to gyroscopes and the measurement of angular velocity, or the rate-of-turn, along with how the data can be used. This applications note is primarily intended to familiarize the reader
  • Practical Electro-Optic Deflection Measurement System (.pdf)
    This paper describes an electro-optic displacement measurement system which measures both angular and lateral displacements simultaneously. The system consists of a CW laser, lenses, interference filters, beam splitter, and a position-sending photodiode. The use of the described system has been
  • Application Note 221101D - Dynamic Torque Measurement
    . Finally, even when running at "constant" average speed, every drive has some angular acceleration which, in combination with shaft inertias, generate dynamic inertia torques.
  • Understand Stepper Parameters Before Making Measurements - 11/1/1999 - Test & Measurement World
    Stepper motors offer a bundle of tradeoffs that can give test engineers headaches when they need to determine why a particular motor fails in a specific application. Stepper motors excel at providing precise angular velocity and position control in response to voltage pulses from open-loop control
  • Electrolytic Tilt Sensor Excitation
    This document explains the minimum hardware and software requirements for obtaining an angular position measurement from a Fredericks electrolytic tilt sensor.
  • Selecting Stepper Motor Drivers for Optimum Performance (.pdf)
    By rotating in discrete angular increments, stepping, stepper or simply step motors provide a more precise solution for many motion control and measurement applications, especially when the appropriate driver technology is used. In addition to forward, reverse, braking and speed control functions
  • Surface Profiling by Frequency Domain Analysis of White Light Interferograms
    increase the range of application of interferometric surface profilers.1,2 This analysis breaks the white light up into its constituent colors and makes it possible to apply multiple wave length techniques to the problem of surface height measurement. In an ideal dispersion-corrected interferometer
  • A Primer on Displacement Measuring Interferometers
    A Displacement Measuring Interferometer (DMI) measures linear and angular displacements with very high accuracy and precision. DMI's are used in a variety of applications which can be broken into two broad categories: • high resolution real time position control systems, such as those used

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