US Patent 11780676 Systems and methods for managing inventory

A vehicle configured to perform inventory management tasks comprises first and second drive systems respectively actuated by a controller. In a first mode of operation, the controller is configured to control rotation of drive elements of the second drive system to align drive elements of the first drive system with a guide system and to control rotation of the drive elements of the first drive system to displace the vehicle vertically, relative to an underlying support surface, to reach a storage location. In a second mode of operation, the controller is configured to control rotation of the drive elements of the second drive system to cause the vehicle to enter an accessory module and to displace the accessory module horizontally and to control rotation of the first plurality of drive elements of the first drive system to displace the accessory module vertically.