Abstract
In this paper a study is presented on Subspace State Space Identification (4SID) method for the SISO (Single-Input Single-Output) systems. It is seen that an intermediate vector which appears in the 4SID procedure is equal to the parameter of system pulse transfer function. It is also shown that 4SID method is equivalent to Eigenvector (EV) method for the SISO systems in the presence of white output noise. Computer simulations indicate that identified model by 4SID method may become unstable due to high output noise.
| Original language | English |
|---|---|
| Pages (from-to) | 43-48 |
| Number of pages | 6 |
| Journal | Research Reports on Information Science and Electrical Engineering of Kyushu University |
| Volume | 9 |
| Issue number | 1 |
| Publication status | Published - Mar 2004 |
Keywords
- 4SID method
- Eigenvector method
- Least squares method
- QR decomposition
- Singular value decomposition