Automation and Drives - SCE
5.2 Setting the PI-Controller according to Ziegler-Nichols
By experimenting with
KPR =00,9.
Tg
KSTu
TN =33,33. Tu
In general, we get disturbance characteristics with these setting values that are quite good. [7]
5.3 Setting the PID Controller according to Chien, Hrones and Reswick
For this method, the response to setpoint characteristics as well as disturbance characteristics was examined, in order to get the most favorable controller parameters. Different values resulted for both cases.
The following settings were the result: |
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• For disturbance characteristics: |
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aperiodischer Einschwing- | 20% overshoot | ||||
Apriodical transient reaction | 20% Überschwingen | ||||
vorgang mit kürzester Dauer | Minimum period of oscillation | ||||
with the shortest period | minimale Schwingungsdauer | ||||
0. | Tg |
| Tg | ||
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| KPR = 0,7. | |||
KPR = ,6 | |||||
| KSTu |
| KSTu | ||
TN = 4 Tu
TN = 2.,3 Tu
| Preface Fundamentals | Discontinuous Action Controller Controller Block (S)FB41 | Setting the System Appendix |
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| T I A Training Document | Page 55 of 64 | Module | |
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| B3 | |
Issued: 02/2008 |
| Control Engineering with STEP 7 | ||
