Robot manipulators with multiple degrees of freedom play a crucial role in various automation applications. Conventional manipulators often feature articulated mechanical arms that are permanently affixed to specific locations, limiting their accessibility. While mobile manipulators mitigate some of these limitations, they still acquire significant floor space within a working environment. The proposed hybrid robot configuration integrates elements of 2D cartesian robots and articulated manipulators. In this novel approach, a 2D cartesian robot is suspended from the ceiling (i.e. gantry system), while the base of the articulated robot is anchored to the cartesian robot. The ceiling-mounted cartesian robot utilizes an articulated robot as its end-effector to manipulate objects on the ground level. This configuration optimizes space utilization by eliminating the need for floor space required by conventional floor-mounted fixed-base robots. Additional two degrees of freedom provided by the 2D cartesian robot expands the workspace of a conventional fixed-base articulated arm while enhancing the accessibility and maneuverability within the workspace. Selection of robot arm joint configurations is driven by the specific requirements of the intended application. The design can be extended to incorporate multiple articulated arms on a single cartesian robot, requiring the development of dedicated control algorithms. The proposed hybrid configuration holds substantial potential across diverse applications, including automated production lines, material handling, and surgical assistive robotics.

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A Novel Hybrid Robot Configuration for Enhanced Accessibility and Space Efficiency

  • Y. P. D. Kaluarachchi,
  • T. D. S. S. Senarathna,
  • A. V. P. Lakshan,
  • H. A. G. C. Premachandra,
  • Y. W. R. Amarasinghe,
  • W. A. D. M. Jayathilaka

摘要

Robot manipulators with multiple degrees of freedom play a crucial role in various automation applications. Conventional manipulators often feature articulated mechanical arms that are permanently affixed to specific locations, limiting their accessibility. While mobile manipulators mitigate some of these limitations, they still acquire significant floor space within a working environment. The proposed hybrid robot configuration integrates elements of 2D cartesian robots and articulated manipulators. In this novel approach, a 2D cartesian robot is suspended from the ceiling (i.e. gantry system), while the base of the articulated robot is anchored to the cartesian robot. The ceiling-mounted cartesian robot utilizes an articulated robot as its end-effector to manipulate objects on the ground level. This configuration optimizes space utilization by eliminating the need for floor space required by conventional floor-mounted fixed-base robots. Additional two degrees of freedom provided by the 2D cartesian robot expands the workspace of a conventional fixed-base articulated arm while enhancing the accessibility and maneuverability within the workspace. Selection of robot arm joint configurations is driven by the specific requirements of the intended application. The design can be extended to incorporate multiple articulated arms on a single cartesian robot, requiring the development of dedicated control algorithms. The proposed hybrid configuration holds substantial potential across diverse applications, including automated production lines, material handling, and surgical assistive robotics.