1. Avram, R., Zhang, X., and Campbell, J. (2014). Sensor fault diagnosis in quadrotors using nonlinear adaptive estimators. In Annual Conference of the Prognostics and Health Management Society, volume 7, 217–224. Fort Worth, Texas.
2. Avram, R.C. (2015). Fault Diagnosis and Fault Tolerant Control of Quadrotor UAVs. Technical report, Wright State University, Dayton, OH.
3. Stable adaptive observers for nonlinear time-varying systems;Bastin;IEEE Transactions on Automatic Control,1988
4. Sliding mode observers for fault detection and isolation;Edwards;Automatica,2000
5. Gustafsson, F. (2000). Adaptive Filtering and Change Detection. Wiley, West Sussex, England.