Espresso Extraction Simulator

Adaptive Closed-Loop Control — STM32 Plant Model

Sim: 1 kHz • Render: 60 fps

Controller

PID Gains

Kp 1.2

Ki 0.6

Kd 0.08

Plant Parameters

Grind (resistance R0) 10.0

Dose (g) 18.0

Compaction α 0.020

Channel noise β 0.03

Transport delay (s) 1.0

Sensor noise 0.15

Profile

Pre-infuse pressure (bar) 3.0

Extract pressure (bar) 9.0

Pre-infuse time (s) 5.0

Kalman Tuning

Q (resistance) 0.50

R (pressure) 0.20

Simulation

Speed 1x

Pre-inf

Extract

Flush

Pressure (bar)

Flow Rate (mL/s)

Puck Resistance (bar·s/mL)

Pump Duty

Controls

Live State

IDLE

Pressure

0.00 bar

Flow

0.00 mL/s

Est. Resistance

-- bar·s/mL

Shot Time

0.0 s

Pump Duty

0 %

Total Volume

0.0 mL

Kalman Estimates

Pressure0.00

Flow0.00

Resistance10.0