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However, to some extent, robot manipulators usually work in complex environment with high-frequency disturbance. Thereby, to enhance tracking performance in a teleoperation system, only traditional DOB technique is insufficient. In this paper, for the purpose of constructing a feasible teleoperation scheme, we develop a novel controller that contains a variable gain scheme to deal with fast-time varying perturbation, whose gain is adjusted linearly according to human surface electromyographic signals collected from Myo wearable armband. In addition, for tracking the motion of operator\u2019s arm, we derive five-joint-angle data of a moving human arm through two groups of quaternions generated from the armbands. Besides, the radial basis function neural networks and the disturbance observer-based control (DOBC) approaches are fused together into the proposed controller to compensate the unknown dynamics uncertainties of the slave robot as well as environmental perturbation. Experiments and simulations are conducted to demonstrated the effectiveness of the proposed strategy.<\/jats:p>","DOI":"10.1007\/s10514-020-09928-7","type":"journal-article","created":{"date-parts":[[2020,7,15]],"date-time":"2020-07-15T18:03:41Z","timestamp":1594836221000},"page":"1217-1231","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Disturbance observer enhanced variable gain controller for robot teleoperation with motion capture using wearable armbands"],"prefix":"10.1007","volume":"44","author":[{"given":"Darong","family":"Huang","sequence":"first","affiliation":[]},{"given":"Chenguang","family":"Yang","sequence":"additional","affiliation":[]},{"given":"Zhaojie","family":"Ju","sequence":"additional","affiliation":[]},{"given":"Shi-Lu","family":"Dai","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2020,7,15]]},"reference":[{"key":"9928_CR1","doi-asserted-by":"crossref","unstructured":"Ajoudani, A., Gabiccini, M., Tsagarakis, N., Albu-Sch\u00e4ffer, A., & Bicchi, A. 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