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In the existing payload estimation approaches, however, the data weighting technique, which can reduce the adverse effects of outliers and significantly improve the final results, has not been applied yet. In this article, an accurate identification method based on double weighting for inertial parameters of robot payloads is proposed. In order to obtain the weighting matrices, a modified dynamic parameter identification method with two loops is firstly proposed. Then, based on the identified results of dynamic parameters, a payload identification model based on double weighting is constructed. In addition, the variations of both nonlinear friction parameters and linear friction parameters caused by the payload are considered in this model. Finally, experimental comparisons between our method and another four methods are conducted. The results confirm that our method shows the best performance, especially on improving the identification accuracy of mass and center of mass of the payload.<\/jats:p>","DOI":"10.1017\/s0263574722000960","type":"journal-article","created":{"date-parts":[[2022,7,15]],"date-time":"2022-07-15T06:56:15Z","timestamp":1657868175000},"page":"4358-4374","source":"Crossref","is-referenced-by-count":14,"title":["An accurate identification method based on double weighting for inertial parameters of robot 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