Gauge Sims

Small browser process-control simulators. Single-file HTML, plain JavaScript, SI units. For learning only.

LIC-101 · PID tank level control

Gravity-drained tank, control valve with actuator lag, positional or velocity PID, anti-windup, bumpless auto/manual, live trends.

levelPIDanti-windup

K-100 · Two-stage diaphragm compressor

Back-pressure regulator on discharge, split-range suction pressure control with interstage and discharge recycle valves, variable gas molecular weight, discharge temperatures and power.

gassplit rangecompressorMW