An exoskeleton arm optimal configuration determination using inverse kinematics and genetic algorithm

• Autorzy: Głowiński Sebastian , Błażejewski Andrzej

Identyfikatory

DOI

10.5277/ABB-01268-2018-02

• Języki publikacji: EN

Abstrakty

EN

This paper deals with the kinematic modelling of an arm exoskeleton used for human rehabilitation. The biomechanics of the arm was studied and the 9 Degrees of Freedom model was obtained. The particular (optimal) exoskeleton arm configuration is needed, depending on patient abilities and possibility or other users activity. Methods: The model of upper arm was obtained by using Denavit–Hartenberg notation. The exoskeleton human arm was modelled in MathWorks package. The multicriteria optimization procedure was formulated to plan the motion of trajectory. In order to find the problem solution, an artificial intelligence method was used. Results: The optimal solutions were found applying a genetic algorithm. Two variants of motion with and the visualization of the change of joints angles were shown. By the use of genetic algorithms, movement trajectory with the Pareto-optimum solutions has been presented as well. Creating a utopia point, it was possible to select only one solution from Pareto-optimum results. Conclusions: The obtained results demonstrate the efficiency of the proposed approach that can be utilized to analyse the kinematics and dynamics of exoskeletons using the dedicated design process. Genetic algorithm solution could be implemented to command actuators, especially in the case of multi-criteria problems. Moreover, the effectiveness of this method should be evaluated in the future by real experiments.

Słowa kluczowe

EN

arm exoskeleton; genetic algorithm; inverse kinematics

PL

algorytm genetyczny; kinematyka odwrotna; egzoszkielet; ramię

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2019
• Tom: Vol. 21, no. 1
• Strony: 45--53
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr.

Twórcy

autor

Głowiński Sebastian

• Koszalin University of Technology, Faculty of Technology and Education, Department of Mechatronics and Applied Mechanics, Koszalin, Poland

autor

Błażejewski Andrzej

• Koszalin University of Technology, Faculty of Technology and Education, Department of Mechatronics and Applied Mechanics, Koszalin, Poland

Bibliografia

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Uwagi

Błędna numeracja bibliografii.

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).