Dynamics and rigidity of a manipulator with three DOFs Serikbay Kosbolov, Yerlan Yeleukulov, Alfiya Atalykova, Algazy Zhauyt, Gulsara Yestemessova and Saltanat Yussupova MATEC Web Conf., 226 (2018) 01020 Published online: 07 November 2018 DOI: 10.1051/matecconf/201822601020