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MEMS Inertial Sensors
MEMS Inertial Sensors
Documents Why use frequency-domain analysis and spectral alarms?
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  • +Documents
  • +3-D Model/STEP: FAQ
  • +AD22282-A-R2: FAQ
  • +ADIS16000: FAQ
  • +ADIS16003 MTBF: FAQ
  • +ADIS16006: FAQ
  • +ADIS16201: FAQ
  • +ADIS16203: FAQ
  • +ADIS16204: FAQ
  • +ADIS16209: FAQ
  • +ADIS16210: FAQ
  • +ADIS16223: FAQ
  • +ADIS16227: FAQ
  • -ADIS16228: FAQ
    • FAQ: ADIS16228 Autonull in Vibration Evaluation Program
    • Any tips for performance optimization?
    • critical performance parameters
    • Do we offer a wireless interface for this device?
    • Shouldn't we have more expertise?
    • type of applications use the ADIS16228?
    • What evaluation tools are available?
    • What is special about the ADIS16228?
    • Why use frequency-domain analysis and spectral alarms?
    • ADIS16228 Datasheet Error: Figure 27
    • ADIS16228 Demonstration Project
    • FAQ: ADIS16228 Demonstration, Compressor Case
    • FAQ: ADIS16228 Evaluation Tool Overview
    • FAQ: ADIS16228 Evaluation Tutorial, Alarm Demonstration
    • FAQ: ADIS16228 Evaluation Tutorial, Automatic FFT
    • FAQ: ADIS16228 Evaluation Tutorial, Automatic Bias Correction
    • FAQ: ADIS16228 Evaluation Tutorial, Automatic FFT/Multi-Record
    • FAQ: ADIS16228 Evaluation Tutorial, FFT Header/Data Capture Demo
    • FAQ: ADIS16228 Evaluation Tutorial, Manual FFT
    • FAQ: ADIS16228 Evaluation Tutorial, Manual FFT/Multi-Record
    • FAQ: ADIS16228 Evaluation Tutorial, Register Access
    • FAQ: ADIS16228 Evaluation Tutorial, Sample Rate Control
    • FAQ: ADIS16228 FFT Header Example
    • FAQ: ADIS16228 Real-time support through Vibration Evaluation Program
    • FAQ: ADIS16228 Register Access in Evaluation Software
    • FAQ: ADIS16228/PCB-ADISUSB Tutorial
    • FAQ: ADIS16228/PCBZ Breakout Board Cables
    • FAQ: Vibration Analysis with the ADIS16228
    • FAQ: Where can I find information on evaluation tools for ADIS16xxx products? (OLD)
    • How do we communicate with the ADIS16228?
    • How does it compare to piezoelectric sensors (classic approach)?
    • How does it work?
  • +ADIS16229: FAQ
  • +ADIS16240: FAQ
  • +ADIS16255: FAQ
  • +ADIS16355: FAQ
  • +ADIS16364: FAQ
  • +ADIS16365: FAQ
  • +ADIS16375: FAQ
  • +ADIS16385: FAQ
  • +ADIS16400: FAQ
  • +ADIS16405: FAQ
  • +ADIS16407: FAQ
  • +ADIS16445: FAQ
  • +ADIS16448: FAQ
  • +ADIS16460: FAQ
  • +ADIS16475: FAQ
  • +ADIS16477: FAQ
  • +ADIS1647x: FAQ
  • +ADIS16480: FAQ
  • +ADISUSB: FAQ
  • +ADXL001: FAQ
  • +ADXL203: FAQ
  • +ADIS16300: FAQ
  • +ADIS16485: FAQ
  • +ADIS16488: FAQ
  • +ADIS16488A: FAQ
  • +ADIS16490: FAQ
  • +ADIS16495: FAQ
  • +ADIS16497: FAQ
  • +ADXL103: FAQ
  • +ADXL150: FAQ
  • +ADxL193: FAQ
  • +ADXL202: FAQ
  • +ADXL206: FAQ
  • +ADXL210: FAQ
  • +ADXL210E: FAQ
  • +ADXL213: FAQ
  • +ADxL230: FAQ
  • +ADXL278: FAQ
  • +ADXL312: FAQ
  • +ADXL313: FAQ
  • +ADXL320: FAQ
  • +ADXL321: FAQ
  • +ADXL322: FAQ
  • +ADXL327: FAQ
  • +ADXL335: FAQ
  • +ADXL337: FAQ
  • +ADXL345: FAQ
  • +AD22290: FAQ
  • +ADIS16003: FAQ
  • +ADIS16133: FAQ
  • +ADIS16135: FAQ
  • +ADIS16265: FAQ
  • +ADIS16305: FAQ
  • +ADXL326: FAQ
  • +ADXL350: FAQ
  • +ADXL362: FAQ
  • +ADXL375: FAQ
  • +ADXL377: FAQ
  • +ADXL78: FAQ
  • +ADXRS150: FAQ
  • +ADXRS290: FAQ
  • +ADXRS300: FAQ
  • +ADXRS401: FAQ
  • +ADXRS453: FAQ
  • +ADXRS610: FAQ
  • +ADxRS614: FAQ
  • +ADXRS623: FAQ
  • +ADXRS646: FAQ
  • +ADXRS652: FAQ
  • +ADXRS800: FAQ
  • +ADIS16136: FAQ
  • +ADIS16137: FAQ
  • +ADIS16266: FAQ
  • +ADIS16334: FAQ
  • +ADIS16362 Evaluation Tool: FAQ
  • +ADIS16364 Evaluation Tool: FAQ
  • +ADIS16367: FAQ
  • +ADIS163xx: FAQ
  • +ADIS16489: FAQ
  • +ADIS1648x: FAQ
  • +ADXL346: FAQ
  • +ADXL363: FAQ
  • +EVAL-ADIS: FAQ
  • +EVAL-ADIS2: FAQ
  • +Filtering Functions: FAQ
  • +General: FAQ
  • +Gyroscope: FAQ
  • +Hard & Soft Iron Correction: FAQ
  • +ISEB USB: FAQ
  • +IMU: FAQ
  • +MEMS: FAQ
  • +Slip Ring Interface: FAQ
  • +SPI Troubleshooting: FAQ
  • +TEMP_OUT Variation: FAQ
  • +Test Procedures: FAQ

Why use frequency-domain analysis and spectral alarms?

Q 

Why use frequency-domain analysis and spectral alarms?

 

A 

Vibration is periodic, by nature, so understanding the behaviors in terms of
magnitude and frequency has strategic value in establishing appropriate
monitoring criteria, such as spectral alarms.  The typical customer will start
out taking data on their machines and will use that data and establish normal,
warning and critical alarm criteria.  As the engineer develops experience, they
will likely adjust these criteria, for more efficient operation. One key value,
which will be evident later in the process, is associated with the historical
records inside of the ADIS16228. The device will store up to 14 records, so
customers can store machine-specific information, at the point of use. Here is
example of a FFT plot, with spectral alarms.  Here is the plot.

Note that “warning” alarms might trigger a quality check of product quality,
measurement of other observable factors (noise, temperature, etc.) and may
eventually result in a scheduled maintenance. If that maintenance does not
reveal any real issues, the “warning” alarm level may be raised. On the other
hand, if production yields start to drop, due to a worn-out tool or handling
mechanism, the ADIS16228 could be used to study the vibration signature more
carefully, so that the spectral alarm levels can be updated, to better
observe.  Our goal is to get the ADIS16228 in place as the tool that helps the
engineer develop this expertise.

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