Custom-Tuning (Heating) - FB_HeatingControl2

Overview

This procedure describes how to set the P and I parameters manually.

Step

Action

1

Set iq_etSelectParameterSetPID to ET_ParameterSetPID.Custom.

2

Set rTn andrTv to 0.

Also refer to ST_PID2.

3

Increase rKp until the system begins to oscillate.

4

Decrease rKp until the system does not oscillate.

5

Decrease rKp by another few points.

6

Set rTn, beginning with a large value for time, for example 100 s (system dependent) and verify that the system does not oscillate.

7

Decrease rTn until the system is stable and without oscillation.

Result: The figure displays a typically correct regulation.

Also refer to FB_HeatingControl2.