4Mann G K I,Hu B G,Cosine R G.Analysis of direct action fuzzy PID controller structures[J].IEEE Transactions on System,Man and Cybernetics,1999,29(3):371-388.
5Kim C H,Im S M,Lee JJ.Adaptive control of robot manipulators using an incremental fuzzy system[A].Proceedings of 2008 IEEE International Conference on Mechatronics and Automation[C].2008:66.