Research Article
Adaptive Control Using Fully Online Sequential-Extreme Learning Machine and a Case Study on Engine Air-Fuel Ratio Regulation
Table 1
Comparison among OS-ELM, ReOS-ELM, and FOS-ELM.
| | OS-ELM | ReOS-ELM | FOS-ELM |
| Objective function | | and | and | Parameters | Hidden node number | Hidden node number Regularization parameter | Hidden node number Regularization parameter | Training method | Initial offline batch training and followed by online sequential training | Initial offline batch training and followed by online sequential training | Online sequential training | Initial sample number | | | | Overfitting risk | Yes | No | No | Learning performance | Same as ELM | Same as ReELM | Same as ReELM |
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