1.

The general transfer function of a digital lag compensator is:

A. \({p_{lag}}\left( z \right) = \frac{{\left( {1 - {p_c}} \right)\left( {z - {z_c}} \right)}}{{\left( {1 - {z_c}} \right)\left( {z - {p_c}} \right)}}{z_c} > {p_c}\)
B. \({p_{lag}}\left( z \right) = \frac{{\left( {1 - {z_c}} \right)\left( {z - {p_c}} \right)}}{{\left( {1 - {p_c}} \right)\left( {z - {z_c}} \right)}}{z_c} < {p_c}\)
C. \({p_{lag}}\left( z \right) = \frac{{\left( {1 - {z_c}} \right)\left( {z - {p_c}} \right)}}{{\left( {1 - {p_c}} \right)\left( {z - {z_c}} \right)}}{z_c} > {p_c}\)
D. \({p_{lag}}\left( z \right) = \frac{{\left( {1 - {p_c}} \right)\left( {z - {z_c}} \right)}}{{\left( {1 - {z_c}} \right)\left( {z - {p_c}} \right)}}{z_c} < {p_c}\)
Answer» E.


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