Flatness-based active disturbance rejection control for linear systems with unknown time-varying coefficients
作者： Congzhi Huang , Hebertt Sira-Ramírez
DOI: 10.1080/00207179.2015.1050699
关键词:
摘要: A flatness-based active disturbance rejection control approach is proposed to deal with the linear systems unknown time-varying coefficients and external disturbances. By selecting appropriate nominal values for parameters of system, all deviation between actual dynamics controlled process, as well disturbances can be viewed a total disturbance. Based on accurately estimated aid extended state observer, proportional derivative feedback law taking into account derivatives desired output designed eliminate effect system performance. Finally, load frequency problem single-area power non-reheated unit employed an illustrative example demonstrate effectiveness approach.
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