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  • IOP Publishing  (2)
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  • IOP Publishing  (2)
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  • 1
    Online Resource
    Online Resource
    Research on Path Calculation and Simulation System of Variable Parameter Manipulator
    IOP Publishing ; 2020
    In:  Journal of Physics: Conference Series Vol. 1670, No. 1 ( 2020-11-01), p. 012002-
    Details
    In: Journal of Physics: Conference Series, IOP Publishing, Vol. 1670, No. 1 ( 2020-11-01), p. 012002-
    Abstract: The simulation software of manipulator is generally developed by manufacturers, and the products are only suitable for the specific company, but cannot be used in universal. Aiming at this problem, this paper establishes a mathematical model with attributes through parametric design. The standard D-H parameter method is used to model the kinematics of the manipulator. Based on the expert system, the intelligent path planning of the manipulator is carried out, and the trajectory control instructions of the manipulator are generated. According to the Monte Carlo method of point cloud, the workspace of manipulator is obtained, and the bounding box technology is used for real-time collision detection. Taking the welding work as an example, the parametric modelling and trajectory planning simulation of the manipulator are realized, and a general off-line programming platform is established.
    Type of Medium: Online Resource
    ISSN: 1742-6588 , 1742-6596
    URL: Article
    DOI: 10.1088/1742-6596/1670/1/012002
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2020
    detail.hit.zdb_id: 2166409-2
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Transmissive 2-bit anisotropic coding metasurface
    IOP Publishing ; 2022
    In:  Chinese Physics B Vol. 31, No. 9 ( 2022-09-01), p. 098102-
    Details
    In: Chinese Physics B, IOP Publishing, Vol. 31, No. 9 ( 2022-09-01), p. 098102-
    Abstract: Coding metasurfaces have attracted tremendous interests due to unique capabilities of manipulating electromagnetic wave. However, archiving transmissive coding metasurface is still challenging. Here we propose a transmissive anisotropic coding metasurface that enables the independent control of two orthogonal polarizations. The polarization beam splitter and the orbital angular momentum (OAM) generator have been studied as typical applications of the anisotropic 2-bit coding metasurface. The simulated far field patterns illustrate that the x and y polarized electromagnetic waves are deflected into two different directions, respectively. The anisotropic coding metasurface has been experimentally verified to realize an OAM beam with l = 2 of right-handed polarized wave, resulting from both contributions from linear-to-circular polarization conversion and the phase profile modulation. This work is beneficial to enrich the polarization manipulation field and develop transmissive coding metasurfaces.
    Type of Medium: Online Resource
    ISSN: 1674-1056
    URL: Article
    DOI: 10.1088/1674-1056/ac4a6b
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2022
    detail.hit.zdb_id: 2412147-2
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