TrendThief

TrendThief turns process trend screenshots, photographs and CSV data into usable control-loop information. Recover PV, SP and CV traces from existing trends, inspect and correct the extracted data, identify useful process events, fit dynamic models and compare controller tuning without rebuilding the test by hand. Built for controls engineers, technicians and process specialists working with real industrial loop data. KEY FEATURES • Digitize PV, SP and CV from screenshots and photographs • Import calibrated process data from CSV • Automatic trace extraction with colour selection and manual correction • Ruler-assisted tracing with pen snapping for straight-line repairs • Editable extracted data and engineering-unit trends • Closed-loop and open-loop event evaluation • FOPDT, SOPDT and integrating process models • Model-fit quality including R², RMSE and normalized RMSE • Current versus…