Abstract: A system for blast-freezing items includes a plurality of cells arranged side-by-side, each cell including a housing with a bay space, a plenum, a front air passage, a rear air passage, and a fan. The fan is positioned in the plenum and configured to circulate air through the bay space. Each cell also includes a plurality of channels to separate pathways of air to segments of the bay space. The system also includes a plurality of crane rails extending between rows of cells and at least one crane capable of traveling along the plurality of crane rails to load or unload each of the plurality of cells.

Abstract: This specification generally discloses a computer-implemented method for re-routing items in a warehouse, comprising designating a first storage location in the warehouse as a destination storage location for an item; sending first instructions to a mechanical conveying system to automatically move the item from a first current position to the first storage location using the mechanical conveying system; determining, while the item is being moved to the first storage location by the mechanical conveying system, that a state of items being moved by the mechanical conveying system satisfies a criterion to change the destination storage location for the item from the first storage location to a second storage location; and sending second instructions to the mechanical conveying system to automatically move the item from a second current position of the item to the second storage location using the mechanical conveying system.

Abstract: Methods and systems for determining a pallet build sequence include receiving a pick order request, identifying candidate pick items in a warehouse to fulfill the request, grouping the items based on aisles and generating aisle-based lists per group, and sorting each list based on location of each of the items per group from front to back of the warehouse. For each list, the method includes selecting a first item at a top of the list, adding the first item to a bottom layer of a pallet, determining an amount of weight of items from the list that can be layered on top of the first item and determining whether the first item can support the determined amount of weight. If the first item can support the determined weight, the first item can be kept in a pick sequence as the pallet's bottom layer and removed from the list.

Abstract: Disclosed are techniques for determining and controlling automated layer pick operations. A computer system can receive, from a warehouse management system, a layer pick planning request for at least one order and determine an initial feasible solution for completing the request. The computer system can determine: initial batches of pallets based on grouping destination pallets that require layers of items from same source pallets, corresponding batch scores, initial locations of the pallets based on assigning locations in a pick area to the source and destination pallets, corresponding location scores, initial schedules for the initial batches based on determining an order of tasks to complete each batch, and corresponding schedule scores. For each batch, the computer system can iteratively adjust the initial schedule, initial locations based on the adjusted schedule, and initial batches based on the adjusted schedule and adjusted locations. The computer system can then identify a heuristic solution.

Abstract: In general, the subject matter described in this disclosure can be embodied in a pallet-conveying system. The pallet-conveying system includes a vehicle-traversing loop, multiple vehicles configured to travel around the vehicle-traversing loop and move pallets around the vehicle-traversing loop, an inbound conveying lane arranged to move inbound pallets from a docking area to the vehicle-traversing loop, multiple outbound conveying lanes arranged to transfer pallets from the vehicle-traversing loop to the docking area, an into-storage conveying lane arranged to move pallets from the vehicle-traversing loop to a storage area, a from-storage conveying lane arranged to move pallets from the storage area to the vehicle-traversing loop, and multiple pallet stands located within an interior of the vehicle-traversing loop to receive pallets from the multiple vehicles.

Abstract: Described herein are systems and methods for ordering item-movement tasks in storage facilities. Item-movement tasks are distributed amongst queues of operators in a first state of the queues. A first value indicating utilization based on the operators performing the queues in the first state is determined. A first task from a first queue is swapped with a second task from a second queue, forming a second state of the queues, such that the first queue to be performed by a first operator includes the second task and the second queue to be performed by a second operator includes the first task. A second value indicating utilization based on the operators performing the queues having the second state is determined. Based on determining that utilization is greater when the queues have the first state, the first task is swapped with the second task to revert the queues to the first state.

Abstract: This specification describes systems and methods for generating a mapping of a physical space from point cloud data for the physical space. The methods can include receiving the point cloud data for the physical space, filtering the point cloud data to, at least, remove sparse points from the point cloud data, aligning the point cloud data along x, y, and z dimensions that correspond to an orientation of the physical space, and classifying the points in the point cloud data as corresponding to one or more types of physical surfaces. The methods can also include identifying specific physical structures in the physical space based, at least in part, on classifications for the points in the point cloud data, and generating the mapping of the physical space to identify the specific physical structures and corresponding contours for the specific physical structures within the orientation of the physical space.

Abstract: In general, the subject matter described in this disclosure can be embodied in a multi-level pallet-conveying system for a storage facility. The conveying system includes a first-level conveying system, a first-level into-storage conveying lane adapted to receive pallets from the first-level conveying system and provide such pallets to a first-level station of a storage lifting system, and a first-level from-storage conveying lane adapted to receive pallets from the first-level station of the storage lifting system and provide such pallets to the first-level conveying system.

Abstract: Disclosed are systems and methods for determining swap and replenishment opportunities in a pick area of a storage facility. A method can include receiving, by a computer system, current stock levels for bays in the pick area, identifying a subset of the bays as having a replenishment or swap opportunity based on determining that the current stock levels for the subset of the bays is less than a threshold stock level, and determining, for each bay in the subset of the bays, whether the bay has a swap opportunity or a replenishment opportunity. The method can also include determining whether each bay is a static bay based on pick area build information, which can include a pick area layout, current SKUs in the pick area, date of layout build, static location assignments for the bays, and dynamic location assignments for the bays.

Abstract: Systems and methods for profiling a pallet in a warehouse can include a turntable that rotates the pallet, conveyor belts that move the pallet, and a vertical profiling structure, having cameras mounted at different locations, in a stationary position proximate to a side of the turntable. A photo booth can also be used to provide uniform lighting. A computing system can instruct a conveyor belt to automatically route the pallet onto the turntable, instruct the cameras to capture image data of the pallet as it rotates on the turntable, receive the image data, and retrieve image-based models of the pallet that were trained using images of pallets having unique identifiers. The computing system can determine, based on applying the image-based models to the image data, whether the pallet's unique identifier is identifiable, and transmit, to a warehouse management system, a notification indicating whether the unique identifier is identifiable.

Abstract: A computer-based technology is provided to optimize a warehouse space, such as warehouse racks. The technology determines a storage duration of a pallet in a warehouse, and further determines an optimal storage location for the pallet in the warehouse. For example, the technology can determine how long an inbound pallet will stay in a warehouse, and locate an optimal area of the warehouse to store the pallet. Such an optimal pallet storage area is selected to reduce labor costs in transporting the pallet in, within, and out of the warehouse and further optimize the management of multiple pallets in the warehouse as a whole. In addition, the technology can consider the size of the pallet in determining the optimal storage location in the warehouse.

Abstract: An automated warehouse system can include automated pallet movers, a physical space in which the automated pallet movers operate, and a control system to provide commands to each of the automated pallet movers for operating in the physical space. The commands can include a pallet transportation command including a pallet identifier of a pallet to be transported by the automated pallet mover in the physical space, and a destination location to which the pallet is to be transported by the automated pallet mover. The commands can also include a control algorithm command that specifies a control algorithm for moving through the physical space. The automated pallet mover can be configured to transport the pallet to the destination location according to a route resulting from performance of the control algorithm, while other automated pallet movers concurrently transport other pallets to other destination locations.

Abstract: Disclosed are systems and methods for determining a pick area arrangement for a storage facility. A method can include retrieving, by a computer system, historic pallet information for pallet SKUs and pick area information, determining, based on the information, a number of bays to allocate for each pallet SKU, determining, based on the information, a number of dynamic bays to allocate in the pick area, which receive pallet SKUs in high demand during a particular time, determining, based on the information, quantities of aisles to allocate as pick aisles in the pick area by simulating aisle arrangements with pallet SKUs from the historic pallet information and determining average travel times to complete pick orders having the pallet SKUs in the aisle arrangements, selecting the quantity of aisles providing a lowest average travel time, and assigning each pallet SKU from the historic pallet information to bays in the quantity of aisles.

Abstract: This document generally describes warehousing systems that can, in certain instances, improve the efficiency of warehousing operations and improve utilization of available space in a warehousing facility. The warehousing system may be implemented in an automated warehouse, such as an automated cold-storage facility, that uses programmable equipment to automate tasks associated with warehousing operations, such as transporting inbound storage items to specified storage positions of storage racks in the warehouse and removing outbound storage items from storage so that they may be loaded onto trucks for delivery away from the warehouse.

Abstract: This specification describes systems and methods for refining point cloud data. Methods can include receiving point cloud data for a physical space, iteratively selecting points along an x, y, and z dimension, clustering the selected points into 2D histograms, determining a slope value for each 2D histogram, and removing, based on the slope value exceeding a predetermined value, points from the point cloud data. Methods can also include iteratively voxelizing each 2D histogram into predetermined mesh sizes, summating points in each voxelized 2D histogram, removing, based on determining the summation is below a predetermined sum value, points from the point cloud data, keeping, based on determining that a number of points in each voxelized 2D histogram exceeds a threshold value, a center point, selecting, for each histogram, a point, identifying, nearest neighbors in the point cloud data, removing the identified nearest neighbors from the data, and returning remaining points.

Abstract: This specification generally discloses technology for optimizing the loading of pallets on trucks and other sorts of vehicles. A pallet loading technique includes receiving pallet information for a shipment, the pallet information describing pallets to be included in the shipment, receiving vehicle constraint information for a vehicle, the vehicle constraint information describing rules for loading pallets on the vehicle, and determining candidate solutions for loading the pallets on the vehicle, each candidate solution (i) satisfying the rules for loading pallets on the vehicle, and (ii) defining, for each pallet to be included in the shipment, a respective position and orientation of the pallet on the vehicle. At least some of the candidate solutions are evaluated, one of the candidate solutions is selected, and the vehicle is loaded according to the selected candidate solution.

Abstract: Described are systems and methods for identifying an item in a storage facility to fulfill a pick request. The method includes receiving, by a computing system, a request for a physical item of a particular type, identifying a set of available physical items of the particular type from a plurality of physical items stored in storage locations in the storage facility, determining a score for each respective available physical item based on multiple sub-scores specific to the respective available physical item, to generate a set of scores corresponding to the set of available physical items, selecting a selected physical item from among the set based on the selected physical item having a most favorable score, identifying a selected storage location of the selected physical item, and providing instructions to cause a mechanical moving system to route the selected physical item from the selected storage location to a destination picking location.

Abstract: Described herein are systems and methods for storing items in storage facilities. The method can include receiving, by a computing system, a request to identify a destination location for a storage item, identifying a set of available storage locations from among a plurality of storage locations, and determining a score for each respective storage location of the set of available storage locations based on multiple sub-scores specific to the respective storage location, to generate a set of scores corresponding to the set of available storage locations. The method also includes selecting a selected storage location from among the available storage locations based on the selected storage location having a most favorable score from among the set of scores corresponding to the set of available storage locations, and providing instructions to cause a mechanical moving system to route the storage item to the selected storage location.

Abstract: Refrigeration management includes determining an optimal operational schedule to control a refrigeration system for a cold storage facility. Various approaches can be used to determine an operational schedule with an optimal operational outcome that satisfies constraints representative of a range of factors, such as thermal characteristics of a refrigeration management system, energy cost, and environmental factors external to the system, which can affect refrigeration management of a cold storage facility.

Abstract: A blast cell system is provided with simple and scalable designs that prevent short cycling of air flow through any pallets in blast cells. The blast cell includes a plurality of suction channels that provide independent fluid pathways for directing the air drawn from different rows in the blast cell into the fan.