US 11,738,721 B2
Device and method for maintaining the capability for precise navigation of an automated guided vehicle
Andreas Kuehne, Harburg Ebermergen (DE); Ruediger Geiger, Genderkingen (DE); Erwin Herre, Buchdorf (DE); and Stefan Wilfling, Dillingen (DE)
Assigned to GRENZEBACH MASCHINENBAU GMBH, Asbach-Bäumenheim (DE)
Appl. No. 16/636,681
Filed by GRENZEBACH MASCHINENBAU GMBH, Asbach-Bäumenheim (DE)
PCT Filed Aug. 2, 2018, PCT No. PCT/DE2018/000229
§ 371(c)(1), (2) Date Feb. 5, 2020,
PCT Pub. No. WO2019/029758, PCT Pub. Date Feb. 14, 2019.
Claims priority of application No. 10 2017 007 511.5 (DE), filed on Aug. 9, 2017.
Prior Publication US 2021/0146889 A1, May 20, 2021
Int. Cl. B60S 3/04 (2006.01); H04W 4/029 (2018.01); B60L 53/35 (2019.01); B60W 60/00 (2020.01); G01C 21/34 (2006.01); G01C 21/36 (2006.01)
CPC B60S 3/04 (2013.01) [B60L 53/35 (2019.02); B60W 60/001 (2020.02); G01C 21/3469 (2013.01); G01C 21/3605 (2013.01); H04W 4/029 (2018.02)] 12 Claims
OG exemplary drawing
 
1. An apparatus for maintaining a precision of a navigation capability of a driverless transport vehicle (TFS), having the following features:
a test station (26) for a temporary stay of a transport vehicle (1) that has an open front side and a delimited rear side, wherein in each case two depressions (10) for receiving drive wheels (11) and two depressions (25) for receiving support wheels (24) are provided in a surface region (9) on a bottom;
a test line (18) is provided in a horizontal direction on the rear side of the test station (26) at a height of a laser scanner (2) of the transport vehicle (1), wherein in each case a marking of a test point (13) for an angle adjustment of the laser scanner (2) of the transport vehicle (1) is provided at a same height in a width of the surface region (9) on a left-hand and a right-hand side of the surface region (9);
a device (19) for moving a cleaning apparatus on the front side of the transport vehicle (1) is provided on the rear side of the test station (26); and
a position sensor (20) for computational capturing of a position of the transport vehicle (1) is provided on longitudinal sides of an inner region of the test station (26) in a region of the front side and of the rear side of the transport vehicle (1).