{s}^{0}\cdot M_{0\mathrm{D}0}^{\prime } }{\left( {\frac{0}{{\tau }_0}+{s}} \right) \cdot \left( {\frac{0}{{\tau }_\mathrm{D}}+{s}} \right) }\nonumber \\&= \frac{{U}\cdot {\omega } \cdot {s}^{0}\cdot M_{0\mathrm{D}0}^{\prime } }{\left( {