Figure 2From: Synchronisation of two different uncertain fractional-order chaotic systems with unknown parameters using a modified adaptive sliding-mode controllerState trajectories of the adaptive parameters: (a) \(\tilde{a}_{1}\), \(\tilde{b}_{1}\), \(\tilde{c}_{1}\), \(\tilde{d}_{1}\); (b) \(\tilde{a}_{2}\), \(\tilde{b}_{2}\), \(\tilde{c}_{2}\)Back to article page