Computer Science ›› 2016, Vol. 43 ›› Issue (10): 40-42.doi: 10.11896/j.issn.1002-137X.2016.10.006

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Second Order Linear Active Disturbance Rejection Control for a Class of Typical High Order System Based on Time Scale

GUO Rui, HU Peng-cheng and FAN Ya-min   

  • Online:2018-12-01 Published:2018-12-01

Abstract: Higher order system is difficult to control due to its own nature.In order to control a class of typical high order objects which can be described by transfer function,the second-order linear active disturbance rejection (LADRC) controller was used to set the parameters of high order system.The adjusted high-order system will act as the benchmark system.The parameters of benchmark system are converted to parameters of new high order system by using the conception of time scale,making the new system have the response characteristics of benchmark system.This method can calculate the parameters of the new system conveniently and quickly. The simulation result proves that it is feasible and has a wide range of reference values.

Key words: Time scale,Second order linear active disturbance rejection control(LADRC),High order system,Benchmark system

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