Fig. 2From: Controller Parameter Optimization for the Robust Synchronization of Chaotic Systems with Known and Unknown ParametersTime series of the error signals when a k 31 = 5.5, b k 31 = 6, c k 31 = 9, d k 31 = 15, e k 31 = 25, f k 31 = 31.49, and g k 31 = 31.5Back to article page