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    • 5. 发明公开
    • A METHOD FOR DETERMINING POSITIONAL ERROR WITHIN A ROBOTIC CELL ENVIRONMENT
    • EP3708309A1
    • 2020-09-16
    • EP20162255.2
    • 2020-03-10
    • Arrival Limited
    • KONSTANTIN, SvitkovRYBNIKOV, Alexander
    • B25J9/16
    • A method for determining positional errors within a robotic cell environment, the method comprising the steps of: a). Obtaining one or more pre-determined real values of the positioning and/or orientation of a visual identifier located within the robotic cell environment; b). Acquiring an image of the robotic cell environment using a camera located at a first position and/or orientation within the robotic cell environment; c). Calculating one or more values of the positioning and/or orientation of the visual identifier using the acquired image; d). Comparing the real value of the positioning and/or orientation of the visual identifier within the robotic cell environment with the calculated value of the positioning and/or orientation of the visual identifier within the robotic cell environment; e). Determining an error value comprising the difference between the real and calculated values; f). Repeating steps a) to e) for a plurality of other visual identifiers located within the robotic cell environment; and g). Estimating a maximum potential error value for the calculated value of at least one of the visual identifiers of the plurality of visual identifiers based on at least the error values determined for the plurality of visual identifiers.