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7 articles for “A Geometric-Analytical Method”
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Research ArticleOpen accessIn the keywordsKinematics of the Basic Mechatronic Module 3R of an Anthropomorphic RobotFlorian Ion Tiberiu PetrescuThe kinematics of the basic mechatronic module 3R of an anthropomorphic robot will be presented in this study, through an original geometric-analytical method, developed by the author. The advantages of the proposed new method are a great simplicity of calculations and calculation relations, intertwined with very high precision. The method is a strong one from a physical-mathematical point of view. … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 1 · 8 Feb 2021 · 7,454 accessesView PDFCite
Research ArticleOpen accessIn the keywordsKinetostatics of a 2T9R Robot MechanismFlorian Ion Tiberiu Petrescu, Adriana ComanescuThe paper presents in detail a method of calculating the forces acting on a 2T9R type robot. In order to determine the reactions (forces in the kinematic couples), one must first determine the inertial forces in the mechanism to which one or more useful loads of the robot can be added. The torsor of the inertia forces is calculated with … …American Journal of Engineering and Applied Sciences, Vol. 15, Issue 1 · 12 Feb 2022 · 6,903 accessesView PDFCite
Research ArticleOpen accessIn the abstractMathematical Formulation and Numerical Implementation of a Finite Element with Anisotropic GeometryDavide TuminoA plane quadrangular element with geometric anisotropy has been developed to perform 2D Finite Elements Analyses in cases where high stress concentrations, varying with very different laws along two orthogonal directions, are present. The element has been implemented into a finite element code. To validate the element behavior, analyses in the adhesive of a single lap joint and in a … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 13 Mar 2020 · 7,302 accessesView PDFCite
Research ArticleOpen accessIn the abstractCurrent Stage in the Field of Mechanisms with Gears and RodsRelly Victoria Virgil Petrescu, Raffaella Aversa, Antonio Apicella et al.The development and diversification of machines and mechanisms with applications in all fields require new scientific researches for the systematization and improvement of existing mechanical systems by creating new mechanisms adapted to modern requirements, which involve increasingly complex topological structures. The modern industry, the practice of designing and building machinery is increasingly based on the results of scientific and applied … …Journal of Mechatronics and Robotics, Vol. 1, Issue 2 · 13 Dec 2017 · 6,846 accessesView PDFCite
Research ArticleOpen accessIn the abstractInverse Kinematics at the Anthropomorphic Robots, by a Trigonometric MethodRelly Victoria V. Petrescu, Raffaella Aversa, Bilal Akash et al.A robot is a machine especially programmable one through a computer capable of performing a complex series of actions in the automatic mode. Robots may be guided by a control device or external control may be incorporated in the inside. Robots can be built to take human form, but most robots are machines designed to perform a task without taking … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 2 · 27 Apr 2017 · 8,817 accessesView PDFCite
Research ArticleOpen accessIn the abstractEfficient Co-Rotational 3-Node Shell ElementGil Rama, Dragan Marinkovic, Manfred ZehnGeometric nonlinear FE-analysis of thin-walled shell structures, using a co-rotational formulation and the Cell Smoothed Discrete Shear Gap triangular shell element (CS-DSG3) is presented in this study. The CS-DSG3 element formulation uses the Mindlin-Reissner kinematic hypothesis to include transverse shear effects. In order to avoid locking effects Discrete Shear Gap (DSG) method is applied. In addition, cell based smoothing technique … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 2 · 17 Jun 2016 · 8,295 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing the Applicability of Landslide Databases for Hazard Management Using Objective and Subjective Models: Australian Geoinformatic CaseM. OwneghProblem statement: In order to assess the applicability of Australian landslide databases as a hazard management support system, current hard and soft literature and data sources were screened. This assessment resulted in the selection of four main data bases including national landslide database (A), Peril Aus ІІ (B), the Cities project (C) and analytical study of Fell (D). Approach: In … …Current Research in Geoscience, Vol. 1, Issue 1 · 30 Jun 2010 · 10,352 accessesView PDFCite