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Newton–Euler equations of multibody systems with changing structures for space applications |
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| Authors: | Vladimir Aslanov Genrih Kruglov Vadim Yudintsev |
| Institution: | 1. Research Center for Intelligent Robotics, School of Astronautics, Northwestern Polytechnical University, Xi’an, Shaanxi, 710072, China;2. National Key Laboratory of Aerospace Flight Dynamics, Northwestern Polytechnical University, Xi’an, Shaanxi, 710072, China;1. Mechanical Engineering Laboratory, University of La Coruña, Escuela Politécnica Superior, Mendizábal s/n, 15403 Ferrol, Spain;2. DTG – Department of Management and Engineering, Università degli Studi di Padova, Stradella S. Nicola 3, 36100 Vicenza, Italy |
| Abstract: | Multibody systems with changing structure are considered. These systems have stages in their motion that distinct from each other by degree of freedom (DOF), joint connection structure and joint types. These mechanical systems are common in space application e.g. separation subsystems. Single coordinate set is used to formulate Newton–Euler equations of motion at each stage. Proposed equation form simplifies equations building process for certain stages and whole motion. Numerical experiment was carried out using proposed method. |
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