Abstract: An adaptive fuzzy control scheme is investigated for the signal tracking control of uncertain fractional-order permanent magnet synchronous motor chaotic systems. Firstly, fuzzy logic systems are taken as approximating complex fractional-order function. Then, based on the fractional-order Lyapunov stability theorem, fuzzy controllers and fractional-order parameter adaptive laws are established. The system signal tracking is realized effectively in the circumstances of guaranteeing all variables boundedness. Finally, simulation results show the effectiveness of the proposed method.