Research Article
Analysis and Design of Digital IIR Integrators and Differentiators Using Minimax and Pole, Zero, and Constant Optimization Methods
Table 5
Comparison between existing and designed differentiators.
| | S. no. | Differentiator | Frequency range (radians/second) | Maximum PARE | Mean PARE |
| | 1 | () Ngo [6] | | 4.90 | 2.6997 | | 2 | 1 D GJK1() Gupta et al. [8] | | 3.00 | 0.9756 | | 3 | 2 D GJK2() Gupta et al. [9] | | 2.80 | 1.0996 | | 4 | 3 D GJK3() Gupta et al. [10] | | 4.91 | 2.1605 | | 5 | () Al-Alaoui [15] | | 3.80 | 1.8362 | | 6 | () Upadhyay and Singh [16] | | 0.48 | 0.2658 | | 7 | D
2MO() | | 0.37 | 0.2184 | | 8 | D
3MO() | | 0.30 | 0.1337 | | 9 | D
4MO() | | 0.20 | 0.0980 | | 10 | D
2MO+PZC() | | 0.31 | 0.2011 | | 11 | D
3MO+PZC() | | 0.22 | 0.1272 | | 12 | D
4MO+PZC() | | 0.12 | 0.0720 |
|
|
