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Existence of Formal Conservation Laws of a Variable-Coefficient Korteweg-de Vries Equation from Fluid Dynamics and Plasma Physics via Symbolic Computation

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Chinese Physics Letters 2008年第3期25卷 878-880页

作者：张春义李娟孟祥花许韬高以天 Key Laboratory of Fluid Mechanics (Ministry of Education) and National Laboratory for Computational Fluid Dynamics Beijing University of Aeronautics and Astronautics Beijing 100083 Meteorology Center of Air Force Command Post Changchun 130051 School of Science PO Box 122 Beijing University of Posts and Telecommunications Beijing 100876 State Key Laboratory of Software Development Environment Beijing University of Aeronautics and Astronautics Beijing 100876

Employing the method which can be used to demonstrate the infinite conservation laws for the standard Kortewegde Vries （KdV） equation, we prove that the variable-coeFficient KdV equation under the Painlevé test con... 详细信息

关键词： NONLINEAR EVOLUTION-EQUATIONS SOLITARY WAVES mathematical approach POSITONIC SOLUTIONS KDV EQUATION DUSTY PLASMA MODEL TRANSFORMATION SOLITONS DEVRIES

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A Custom Manipulator for Dental Implantation Through Model-Based Design

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Intelligent Automation & Soft Computing 2023年第1期35卷 351-365页

作者： Anitha Govindhan Karnam Anantha Sunitha Sivanathan Kandhasamy Department of Biomedical Engineering SRM Institute of Science and TechnologyChennai603202India Department of Electronics and Instrumentation Engineering SRM Institute of Science and TechnologyChennai603202India Department of Mechatronics Engineering SRM Institute of Science and TechnologyChennai603202India

This paper presents a Model-Based Design(MBD)approach for the design and control of a customized manipulator intended for drilling and position-ing of dental implants accurately with minimal human *** performing an intra-oral surgery for a prolonged duration within a limited oral cavity,the tremor of dentist's hand is *** a result,wielding the drilling tool and inserting the dental implants safely in accurate position and orientation is highly challenging even for experienced ***,we introduce a customized manipulator that is designed ergonomically by taking in to account the dental chair specifications and anthropomorphic data such that it can be readily mounted onto the existing dental *** manipulator can be used to drill holes for dental inserts and position them with improved accuracy and ***-more,a thorough multi-body motion analysis of the manipulator was carried out by creating a virtual prototype of the manipulator and simulating its controlled movements in various *** overall design was prepared and validated in simulation using Solid works,MATLAB and Simulink through Model Based Design(MBD)*** motion simulation results indicate that the manipulator could be built as a prototype readily.

关键词： Model based design multi-body motion simulation custom manipulator orthodontic implants mathematical approach

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