Autoregressive methods 2 Combustion 2 Computed ratio observer 2 Fuels 2 Fuzzy approach 2 Gaussian autoregressive method 2 Gaussians 2 Internal combustion engines 2 Lyapunov robust method 2 Robust methods 2 Root Mean Square 2 Sensor anomaly detection 2 Support vector machines 2 Support vectors machine 2 Tuning 2 computed ratio observer 2 fuzzy approach 2 internal combustion engine 2 sensor anomaly detection support vector machine 2