Figure 2

State trajectories of the error system: (a) \(e_{11} (t)\), \(e _{12} (t)\), \(e_{13} (t)\) and (b) \(e_{21} (t)\), \(e_{22} (t)\), \(e_{23} (t)\)
State trajectories of the error system: (a) \(e_{11} (t)\), \(e _{12} (t)\), \(e_{13} (t)\) and (b) \(e_{21} (t)\), \(e_{22} (t)\), \(e_{23} (t)\)