[2] HOU YGAO ZJIANG Fet al.Active disturbance rejection control for web tension regulation ［C］//Proceedings of the 40th IEEE Conference on Decision and Control2001:4974-4979.

[3] HUANG YLUO Z WSVININ Met al.Extended state observer based technique for control of robot systems ［C］//Proceedings of the 4th World Congress on Intelligent Control and Automation2002:807-2811.

[4] FENG GHUANG L.A new robust algorithm to improve the Y.Liu dynamic performance on the speed control of induction motor drive ［J］.IEEE Transactions on Power Electronics 200419(6)1614-1627.

[6] BALL A AKHALIL H K.Highgain observers in the presence of measurement noise:A nonlinear gain approach ［J］.Automatica2009(45):936-943.

[7] AHRENS J HKHALIL H K.Highgain observers in the presence of measurement noise:A switchedgain approach ［C］//Proceedings of the 47th IEEE Conference on Decision and Control.MexicoDec.9112008:2288-2293.

[8] KHALIL H K.Nonlinear Systems［M］.Prentice Hall:Upper Saddle RiverNew Jersey2002.

[9] XUE W HUANG Y.Comparison of the DOB based controla special kind of PID control and ADRC control ［C］//Proceedings of 2011 American Control Conference，2011:4373-4379.

[10] YANG XHUANG Y.Capability of extended state observer for estimating uncertainties ［C］//Proceedings of 2009 American Control Conferencethe 2009:3700-3705.