An automated deep-sea submersible life support system regulates environmental conditions. The following algorithm is designed to manage safety systems:

1
2  WHILE (submersibleMission = True) DO
3
4      RECEIVE reading FROM SEN_O2
5      IF (oxygenLevel < 19.5) THEN
6          SET oxygenInjector TO "Active"
7      END IF
8
9      RECEIVE reading FROM SEN_CO2
10     IF (carbonDioxideLevel > 0.08) THEN
11         SET scrubberStatus TO "Active"
12     END IF
13
14     RECEIVE reading FROM SEN_DEPTH
15     IF (depthValue > 4000) THEN
16         SET emergencyBallast TO "Release"
17     END IF
18
19     IF (oxygenLevel >= 19.5) THEN
20         SET oxygenInjector TO "Standby"
21     END IF
22
23     IF (carbonDioxideLevel <= 0.08) THEN
24         SET scrubberStatus TO "Standby"
25     END IF
26
27     IF (depthValue <= 4000) THEN
28         SET emergencyBallast TO "Secured"
29     END IF
30
31 END WHILE