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To be specific, regardless of whether plant dynamics are exactly known or unknown, the control bandwidth can be chosen arbitrarily from the obtained feasible region as long as the derivative of the disturbance satisfies a Lipschitz condition, or some knowledge of the boundary is available. Moreover, simulations are presented to testify the reliability of the results for different disturbances that are probably known or unknown when designing the extended state observer. The results show the validity and feasibility of this analysis.<\/jats:p>","DOI":"10.1177\/0142331218794812","type":"journal-article","created":{"date-parts":[[2018,9,18]],"date-time":"2018-09-18T06:33:46Z","timestamp":1537252426000},"page":"2064-2076","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":35,"title":["Convergence and stability analysis of active disturbance rejection control for first-order nonlinear dynamic systems"],"prefix":"10.1177","volume":"41","author":[{"given":"Zengqiang","family":"Chen","sequence":"first","affiliation":[{"name":"College of Computer and Control Engineering, Nankai University, China"},{"name":"Key Laboratory of Intelligent Robotics of Tianjin, China"}]},{"given":"Yongshuai","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Computer and Control Engineering, Nankai University, 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