Controller parameter | PID controller | 2 DOF controller | Combined controller | |||
---|---|---|---|---|---|---|
I | II | I | II | I | II | |
\(k_{p}\) | 1.9987 | 0.8673 | 1.9963 | 1.7964 | 1.9946 | 1.0805 |
\(k_{i}\) | 1.9857 | 0.6151 | 1.4486 | 1.9095 | 1.7181 | 1.5478 |
\(k_{d}\) | 1.9928 | 1.0057 | 1.8674 | 1.5534 | 1.5704 | 1.2361 |
\(P_{w}\) | – | – | 1.9998 | 1.6312 | 1.7184 | 1.5921 |
\(D_{w}\) | – | – | 1.7804 | 1.0357 | 1.0858 | 1.7259 |
\(N\) | – | – | 173.23 | 142.13 | 180.22 | 173.64 |
\(k_{pc}\) | – | – | – | – | 1.7871 | 1.0889 |
\(k_{ic}\) | – | – | – | – | 1.9328 | 1.5429 |
\(k_{dc}\) | – | – | – | – | 1.8226 | 1.2258 |