Improving the Asymptotic Properties of Discrete System Zeros in Fractional-Order Hold Case

Table 7

Sampling zeros of the sampled-data system with relative degree two and 𝛽=−1/2.

𝑇	Approximate values (47)	Exact values
0.01	−0.501195886−0.387172957𝑖, −0.501195886+0.387172957𝑖	−0.501218099−0.386984162𝑖, −0.501218099+0.386984162𝑖
0.02	−0.502623421−0.386611476𝑖, −0.502623421+0.386611476𝑖	−0.502596060−0.386768672𝑖, −0.502596060+0.386768672𝑖
0.05	−0.507102272−0.384595337𝑖, −0.507102272+0.384595337𝑖	−0.506565882−0.385411371𝑖, −0.506565882+0.385411371𝑖
0.1	−0.516933208−0.375577576𝑖, −0.516933208+0.375577576𝑖	−0.512704082−0.381808431𝑖, −0.512704082+0.381808431𝑖
0.2	−0.553360151−0.309177835i, −0.553360151+0.309177835𝑖	−0.519378658−0.371599469𝑖, −0.519378658+0.371599469𝑖