Table 5 Comparison of the filter accuracy and time cost for different algorithms in one-dimensional nonlinear system
Algorithms | Parameters | RMSE | Sampling number | Time (s) |
|---|---|---|---|---|
EKF | – | 12.34 | – | 1.97 × 10–9 |
PF | 500 | 4.727 | 500 | 8.46 × 10–4 |
|  | 1000 | 4.676 | 1000 | 2.47 × 10–3 |
SI_CPSF \(\left( {{\alpha \mathord{\left/ {\vphantom {\alpha \tau }} \right. \kern-0pt} \tau }} \right)\) | Â | Â | Â | Â |
10–4 | 0.8 | 4.671 | 20 | 1.06 × 10–5 |
|  | 0.3 | 4.631 | 47 | 1.19 × 10–4 |
10–7 | 0.8 | 4.631 | 23 | 7.67 × 10–5 |
|  | 0.3 | 4.618 | 61 | 1.45 × 10–4 |