1.

The transfer function G(s) of a PID controller is

A. \({K_1} + {K_2}s + {K_3}{s^2}\)
B. \({K_1} + \frac{{{K_2}}}{s} + {K_3}s\)
C. \({K_1} + \frac{{{K_2}}}{s}\)
D. \({K_1}s + {K_2}{s^2} + {K_3}{s^3}\)
Answer» C. \({K_1} + \frac{{{K_2}}}{s}\)


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