General rules, Appendix) – Burkert Type 8635 User Manual

Page 143

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G

ENERAL

R

ULES

(A

PPENDIX

)

GENERAL RULES

(APPENDIX)

Selection criteria for continuous valves

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142

Characteristics of PID controllers

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144

P fraction

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144

I fraction

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145

D fraction

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146

Superposition of P, I and D fractions

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147

Realized PID controller

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148

Setting rules for PID controllers

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149

Setting rules after Ziegler and Nichols (oscillation method)

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149

Setting rules after Chien, Hrones and Reswick (output step method)

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150

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