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SICK releases ‘physical marker free’ navigation software for AGVs
25 March 2019
The all-in-one NAV-LOC localisation solution from SICK enables AGVs to navigate more reliably and efficiently around shop floor and warehouse environments, without the need for reflectors or other physical markers.
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The SICK NAV-LOC (Localisation On Contour) is said to be an easy-to-set up solution based on a SICK NAV 360o LiDAR scanner that can be integrated into new or existing AGVs. By recognising the pre-mapped contours of a factory or warehouse interior, the system eliminates the need for time-consuming and costly installation of reflectors, special paints, tracks, magnetic strips or coloured tapes.
“The introduction of the SICK NAV-LOC is an important step forward in the availability of contour-based localisation systems from SICK that promise more flexibility, lower cost of installation and maintenance for automated transport, stacking, and loading processes using AGVs,” says Neil Sandhu, SICK’s UK product manager for Imaging, Measurement and Ranging.
“Especially suited to medium and large AGVs, automated forklifts, shuttle systems and mobile robots, the beauty of the SICK NAV-LOC system is that it is straightforward to set up, and it is easy to adapt the navigation path when the surroundings are altered, or the AGV needs to be redeployed to another area.”
The SICK NAV-LOC system uses precise 2D data from the SICK NAV310 LiDAR scanner to match its position to a reference map stored on a SICK SIM2000 Sensor Integration Machine, which is also mounted on the AGV. As the data is processed, a SICK algorithm continually compares the distances retrieved from the scan data with the reference map to provide position and orientation information to the AGV controller.
Setting up the NAV-LOC system begins by simply ‘teaching’ the on-board SICK LiDAR scanner prominent contour features, such as walls, large static machinery, racking or bays, as the AGV is driven manually around its working environment.
Then, this data is used by SICK Service to create a precise reference map on behalf of the customer or machine builder, before being uploaded on the SIM2000, and easily commissioned on-site using SICK’s SOPAS engineering tool.
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