| 主权项 |
1. An automated warehouse comprising:
a rack including a plurality of shelves; a pair of rails provided on each of the plurality of shelves, such that a total number of rails is twice a total number of shelves; a first vehicle that shuttles on a first path which is a linear path provided by a first one of the pairs of rails; a second vehicle that shuttles on a second path which is parallel or parallel to and vertically spaced from the first path, and which is provided by a second one of the pairs of rails; a first reflecting member located on a first end of the first path; a first range finding device which measures, using a laser beam, a distance between the first reflecting member and a first end of the first vehicle that faces the first reflecting member, the first end of the first vehicle being defined in a direction of a first width perpendicular or perpendicular to the first path; a first communications system including:
a first stationary communications device which is located on a second end of the first path, and which performs optical wireless communication; anda first mobile communications device which is attached to a second end of the first vehicle that faces the first stationary communications device, the second end of the first vehicle being defined in the direction of the first width and configured to perform wireless communication with the first stationary communications device; a second reflecting member located on a first end of the second path; a second range finding device which measures, using a laser beam, a distance between the second reflecting member and a first end of the second vehicle that faces the second reflecting member, the first end of the second vehicle being defined in a direction of a second width that is perpendicular or perpendicular to the second path; and a second communications system including:
a second stationary communications device which is located on a second end of the second path, and which performs optical wireless communication; anda second mobile communications device which is attached to a second end of the second vehicle that faces the second stationary communications device, the second end of the second vehicle being defined in the direction of the second width and configured to perform wireless communication with the second stationary communications device; wherein the first vehicle is the only vehicle provided on the first path; the second vehicle is the only vehicle provided on the second path; the first vehicle and the second vehicle are each configured to transfer one or more articles; the first vehicle and the second vehicle are disposed so that the direction of the first width and the direction of the second width are parallel or parallel to each other; and the first mobile communications device and the second mobile communications are disposed on opposite sides of a virtual plane which joins a center of the first width and a center of the second width, and extends along the first path and the second path. |
