Software and methods for automated pallet inspection and repair
AssigneeCHEP Technology Pty Limited
InventorsSteve Townsend, Michael David Lucas
Life of this patent
Estimating the term…
Abstract
An automated pallet inspection and repair apparatus comprises an inspection station and a repair station. The inspection station comprises a laser that illuminates a pallet, a camera that collects the reflected light and a computer system. The computer system analyzes the output of the camera and acquires the pallet's geometry and topography. The design of the pallet is determined by the computer software. A decision to repair the pallet is made by comparing acquired pallet data against the design criteria. If the pallet needs repair, a recipe of repair steps is constructed by inspecting each of the pallet's elements. The recipe is transmitted to the automated repair station.
Claims7
A capture and analysis computer device for a pallet comprising a top deck and a bottom deck, with the top deck including top boards supported by bearer boards, the capture and analysis computer device comprising:
- at least one processor configured to perform the following:
- collect from a plurality of lasers three-dimensional data associated with geometry and topography of the pallet, with the data having x-, y- and z-coordinates;
- convert the collected data into a two-dimensional representation of the pallet by
- determining locations and heights of the bearer boards,
- establishing at least one filter plane offset from a surface of the top boards, with the at least one fitter plane corresponding to a threshold,
- comparing the collected data to the at least one filter plane, with the collected data above the at least one filter plane being identified as top boards and the collected data below the at least one filter plane being identified as bearer boards, and
- discarding the collected data having z-coordinates below the threshold so as to discard analysis of the bearer boards;
- identifying elements of the pallet by analyzing the two-dimensional representation;
- determining a pallet design based on size, number, and location of the elements;
- comparing the elements of the pallet against criteria selected from a database of pallet designs;
- and
- creating a repair recipe if the pallet fails the criteria.
Dependencies are inferred from the claim text.