LOGADEC User Manual

This manual covers LOGADEC 1.0.58. The same content is also available as a PDF.

Sample data for practice (all fictitious; not records of real tests):

• sample_endurance_run_en.csv — Endurance test data. Used in most chapters for examples and screenshots
• sample_vibration_en.csv — Motor vibration test data (1000 Hz). Used in Chapter 8, Frequency analysis
• sample_daily_logs_en.zip — Three hourly logger files. Used in Chapter 4 to import a folder at once
• sample_start_runs_en.zip — Three motor start tests. Used in Chapter 4 to align X zero points by a threshold

1. Chapter 1Introduction
   1. 1.1What LOGADEC can do
   2. 1.2System requirements
   3. 1.3Free and paid editions
   4. 1.4How your data is handled
   5. 1.5How to read this manual
2. Chapter 2The First Five Minutes
   1. 2.1Download and extract
   2. 2.2Open LOGADEC
   3. 2.3Load a file
   4. 2.4Display series
   5. 2.5Make the graph easier to read
   6. 2.6Try it with demo data
3. Chapter 3The Screen
   1. 3.1The whole screen
   2. 3.2The toolbar at the top
   3. 3.3The pane bar
   4. 3.4The five sidebar tabs
   5. 3.5Keyboard and mouse
4. Chapter 4Loading Data
   1. 4.1Files you can load
   2. 4.2The import screen
   3. 4.3Data with a date-time or time-of-day X axis
   4. 4.4Excel and TDMS files
   5. 4.5Add a second file
   6. 4.6Import all files in a folder
   7. 4.7The Sources tab
   8. 4.8Limits of the free edition
   9. 4.9Large files
5. Chapter 5Working with Graphs
   1. 5.1Display and configure series
   2. 5.2Zoom and move
   3. 5.3Legend
   4. 5.4Read values
   5. 5.5Measure between two points
   6. 5.6Compare in two panes
   7. 5.7View tabs
6. Chapter 6Presets
   1. 6.1Open the presets screen
   2. 6.2Range presets
   3. 6.3Series presets
   4. 6.4Display names
   5. 6.5Import and export with files
   6. 6.6Saving and carrying over presets
7. Chapter 7Formulas
   1. 7.1Open the formula screen
   2. 7.2Create a series with a formula
   3. 7.3Check with the preview
   4. 7.4Reference series
   5. 7.5Call a saved formula by name
   6. 7.6Expand per source
   7. 7.7Calculate over a limited X range
   8. 7.8Handling missing values and time gaps
   9. 7.9Manage saved formulas
   10. 7.10Export and import formulas
   11. 7.11Formulas per document
   12. 7.12Write formulas while viewing the graph in compact view
8. Chapter 8Frequency Analysis
   1. 8.1What frequency analysis can do
   2. 8.2Frequency units
   3. 8.3FFT view
   4. 8.4Series filters
   5. 8.5STFT peak
   6. 8.6Wavelet analysis
   7. 8.7Frequency anomaly
   8. 8.8Handling missing values and time jumps
9. Chapter 9Time-Domain Analysis
   1. 9.1Common flow on the Analysis tab
   2. 9.2Moving stats
   3. 9.3Change-point detection
   4. 9.4Outlier detection
   5. 9.5Correlation analysis
   6. 9.6Correlation break
   7. 9.7Event analysis
   8. 9.8Known event investigation
10. Chapter 10XY Analysis
    1. 10.1Open XY analysis
    2. 10.2Create a pair
    3. 10.3Narrow down points with extraction ranges
    4. 10.4Transforms and pre-processing
    5. 10.5Fitted curves
    6. 10.6View and adjust the graph
    7. 10.7Undo operations
    8. 10.8Link with the time-series graph
    9. 10.9Export
11. Chapter 11Export and Save
    1. 11.1Export images
    2. 11.2Export values (Export Data)
    3. 11.3Save the entire analysis state (.lgd file)
    4. 11.4Open .lgd files
    5. 11.5Save and load settings only
12. Chapter 12Appendix: Formula Functions
    1. 12.1Syntax rules
    2. 12.2Operators
    3. 12.3Constants and variables
    4. 12.4Point-by-point functions
    5. 12.5Aggregate functions
    6. 12.6Time-series functions
    7. 12.7Error messages