# Fault Diagnosis and Prognosis of Satellites and Unmanned Aerial Vehicles: A Review
## 3 Review Methodology
\begin{table}
\begin{tabular}{l l l l l} \hline
**Ref.** & **Monitor Type** & **Approach** & **Application** & **Fault Type** \\ \hline
[45] & FD, FIs, Recon. & **M-B** Observer-based Sliding mode & RW & loss-of-effectiveness \\ \hline
[46] & FD & **D-D** DNN & RW & Bus voltage, Motor current fault, \\  & & & Viscous friction \\ \hline
[63] & FD, FIs & **D-D** NNs & PPT actuators & Change in the Amount of Produced \\  & & & & Thrust \\ \hline
[66] & FD & **M-B** CDM and fuzzy rule-based & RW, Battery & Intermittent bus voltage, RW current, \\  & reasoning & & Viscous Friction \\ \hline
[52; 55] & FA & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[47] & FD, FIs & **M-B** Hybrid and consists of both & & \\  & low-level (agent/team level) and & Actuator & loss-of-effectiveness \\  & high-level & & & \\ \hline
[48] & FD, FIs & **M-B** Hybrid consists of a bank of & & \\  & residual generators and a DES-based & Actuator, Sensor & loss-of-effectiveness \\  & & fault diagnose & & \\ \hline
[53] & FA & **M-B** Conventional Recovery Method & Actuator & loss-of-effectiveness \\ \hline
[54] & FE, FA & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[76] & FD, FE & **M-B** KF & Actuator & Fault signal \\ \hline
[56] & FA & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[57] & FD, FIs & **M-B** Hybrid consists of a bank of & & \\  & residual generators and a DES-based & Actuator & loss-of-effectiveness \\  & fault diagnoser & & & \\ \hline
[65] & FE & **M-B** CKF & Actuator & loss-of-effectiveness \\ \hline
[64] & FD, FIs & **M-B** KF & Actuator & Change in the Amount of Produced \\  & & & Thrust \\ \hline
[77] & FD, FIs & **M-B** EKF & Actuator & loss-of-effectiveness \\ \hline
[78] & FE & **M-B** Observer-based \(H\infty\) & Actuator & intermittent fault \\ \hline
[58] & FD, FIs & **M-B** Decision-making algorithm based & Gyroscopes & Bias faults, Scale factor faults \\  & & on relative dynamic & & \\ \hline
[67] & FD, FIs, FE & **M-B** Observer-based & Actuator & Additive Abrupt Fault, Slow-varying \\  & & & Fault \\ \hline
[59] & FE & **M-B** Observer-Based UIO & Actuator & loss-of-effectiveness \\ \hline
[60] & FE & **M-B** Observer-based UIO & Actuator & loss-of-effectiveness \\ \hline
[61] & FD, FE & **M-B** Observer-Based UIO & Actuator & loss-of-effectiveness \\ \hline
[62] & FD, FE & **M-B** Observer-based UIO & Actuator & loss-of-effectiveness \\ \hline
[51] & FD, FIs & **M-B** Observer-Based UIO & Actuator & Cyber-attack/additive fault \\ \hline
[49] & FD, FIs & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[50] & FE & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[68] & FD, FIs & **M-B** KF & Actuator & loss-of-effectiveness \\ \hline
[79] & FD, FIs & **M-B and Knowledge-based** Fuzzy & RW & loss-of-effectiveness \\  & reasoning & & & \\ \hline \end{tabular}
\end{table} 
Table 7: An overview of papers on multiagent fault diagnosis and their main features. \begin{table}
\begin{tabular}{l l l l l} \hline
**Ref.** & **Architecture** & **Comm. Topology** & **Homogeneous/ Heterogeneous** & **Control Logic** \\ \hline
[46] & Decentralized & Directed & Homogeneous & Formation \\
[63] & Leader–Follower & Undirected & Homogeneous & Formation \\
[66] & Leader–Follower & Directed & Homogeneous & Formation \\
[52] & Decentralized & Undirected & Homogeneous & Formation \\
[55] & Distributed & Undirected & Homogeneous & Formation \\
[47] & Centralized & Undirected & Homogeneous & Formation \\ \hline \end{tabular}
\end{table} 
Table 8: Overview of fault diagnosis techniques in multiagent systems.