Picking system and picking method

A picking system arranged to pick an article on which identification information is attached, the picking system comprising:

• a picking unit arranged to pick an article from a first predetermined position and place the article in a predetermined position other than the first predetermined position;
• an ID reader arranged to acquire identification information of an article picked by the picking unit;
• a position identifying unit arranged to identify a placement position of an article placed by the picking unit;
• a comparing unit arranged to compare the identification information acquired by he ID reader with identification information of an article scheduled to be picked;
• and
• a display unit arranged to, based on a result of the comparison executed by the comparing unit and the placement position identified by the position identifying unit, display a placement position of a placed article whose identification information does not match the identification information of the article scheduled to be picked, wherein
• regardless of whether or not the identification information of the picked article matches the identification information of the article scheduled to be picked, the picking unit picks the article from the first predetermined position and places the article in a second predetermined position,
• the position identifying unit identifies the placement position of the article placed in the second predetermined position,
• the display unit displays the placement position of the placed article in the second predetermined position whose identification information does not match the identification information of the article scheduled to be picked, and
• based on the result of the comparison executed by the comparing unit, the picking unit places an article whose identification information does not match the identification information of the article scheduled to be picked in a first location near an edge of the second predetermined position where a user can remove the placed article easily, and the picking unit places an article whose identification information does match the identification information of the article scheduled to be picked in a second location of the second predetermined position, the first location being different from the second location.

A picking method for picking an article on which identification information is attached, the picking method comprising:

• picking an article from a first predetermined position and placing the article in a predetermined position other than the first predetermined position;
• reading identification information of the article picked in the picking step;
• identifying a placement position of the article placed in the picking step;
• comparing the identification information acquired in the ID reading step with identification information of an article scheduled to be picked;
• and
• displaying, based on a result of the comparing step and the placement position identified in the placement position identifying step, a placement position for the placed article whose identification information does not match the identification information of the article scheduled to be picked;
• wherein
• in the picking step, regardless of whether or not the identification information of the picked article matches the identification information of the article scheduled to be picked, the article is picked from the first predetermined position and:
• if the result of the comparison executed by the comparing unit indicates that identification information of an article that has been picked does match the identification information of the article scheduled to be picked, the article that has been picked is placed in a second predetermined position, and if the result of the comparison executed by the comparing unit indicates that identification information of an article that has been picked does not match the identification information of the article scheduled to be picked, the article that has been picked is placed in a third predetermined position, the second predetermined position being located separately from the third predetermined position;
• and
• the picking method is performed using physical hardware.