Controller parameter | PID controller | 2 DOF controller | Combined controller | |||
---|---|---|---|---|---|---|
I | II | I | II | I | II | |
\(k_{p}\) | 1.9867 | 1.9791 | 1.9852 | 1.8389 | 1.9861 | 1.5568 |
\(k_{i}\) | 1.1271 | 1.0157 | 1.8334 | 1.2309 | 1.4895 | 1.4736 |
\(k_{d}\) | 1.9896 | 1.9752 | 1.7548 | 1.8128 | 1.7331 | 1.4837 |
\(P_{w}\) | – | – | 1.9942 | 1.0276 | 1.7155 | 1.4044 |
\(D_{w}\) | – | – | 1.7532 | 1.7395 | 1.8975 | 1.5054 |
\(N\) | – | – | 199.86 | 116.26 | 126.50 | 142.81 |
\(k_{pc}\) | – | – | – | – | 1.5246 | 1.2939 |
\(k_{ic}\) | – | – | – | – | 1.8517 | 1.3978 |
\(k_{dc}\) | – | – | – | – | 1.6330 | 1.3517 |