The transfer function for a P-D controller is
A. $${{\text{K}}_{\text{c}}}\left( {1 + {\tau _{\text{D}}}{\text{s}}} \right)$$
B. $${{\text{K}}_{\text{c}}}\left( {1 + \frac{1}{{{\tau _{\text{D}}}{\text{s}}}}} \right)$$
C. $${{\text{K}}_{\text{c}}}{\tau _{\text{D}}}{\text{s}}$$
D. $$\frac{{{{\text{K}}_{\text{c}}}}}{{{\tau _{\text{D}}}{\text{s}}}}$$
Answer: Option A
This Question Belongs to Chemical Engineering >> Process Control And Instrumentation
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