Statistical methods

This sample illustrates the options for statistical evaluation of Condition Monitoring Library data. Statistical evaluations for standard normal and gamma-distributed signal data and a sine signal are processed. The function blocks FB_CMA_HistArray, FB_CMA_EmpiricalMean, FB_CMA_EmpiricalStandardDeviation, FB_CMA_EmpiricalSkew and FB_CMA_EmpiricalExcess are used.

The sample is available for download from here:

TwinCAT_BasicStatistics.zip

Block diagram

Statistical methods 1:

Program parameters

The table below shows a list of important parameters for the configuration of the function blocks that are used.

Buffer size

100

Channels

3

Frequency bins

200

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT v3.1.4022

PC or CX (x86, x64)

Tc3_CM (>= 1.0.22), Tc3_CM_Base (>= 1.1.10), Tc3_MultiArray