Accumulator Conveyor

A conveyor designed to permit accumulation of packages, objects, or carriers. May be roller, live roller, belt, power-and-free, or chain conveyors.

AGVS (Automated Guided Vehicle System)

Systems of vehicles that can be programmed to automatically drive to designated points and perform pre-programmed functions. Guidance system may consist of wire embedded in the floor, optical system or other types of guidance. Used frequently in AS/RS distribution centers.


Actual demand created by sales orders or work orders against a specific item.

ASRS (Automated Storage and Retrieval System)

A racking system in which each row has a retrieval unit that picks and puts away items.

Automated Storage/Retrieval System

A combination of equipment and controls, which handles, stores and retrieves materials with precision, accuracy and speed under a defined degree of automation. Systems vary from relatively simple, manually controlled order-picking machines operating in small storage structures, to computer-controlled storage and retrieval systems, totally integrated into the manufacturing and distribution process

Automated/Automatic Guided Vehicle

Vehicles equipped with electromagnetic, optical or other systems for guidance and employ various types of collision avoidance systems. AGVs can have reprogramming capabilities for path selection and positioning.  An AGV is often referred to as a driverless vehicle because human intervention is not required to direct the AGV in automatic mode of operation.

Automatic Identification Systems

The application of various technologies, such as bar coding, image recognition, voice recognition and RF/MW transponders, for the purpose of data entry to a data processing system. AIS applications are characterized by data capture at the site of an event. Automatic identification systems combine machine-readable coding symbols to be read by strategically deployed code readers for purpose of automatic sorting, data handling in receiving and shipping, monitoring work in process, and verifying components.

Automatic Sortation

The electronic recognition of cartons by size or code, enabling them to be sorted in groups.

Automatic Warehouse

A warehouse in which a substantial part of the receipt, storage and dispatch functions are performed without manual handling of the goods involved.


The use of computers and other technologies to control industrial machinery and processes


Method for issuing (reducing on-hand quantities) materials to a manufacturing order. With backflushing, the material is issued automatically when production is posted against an operation. The backflushing program will use the quantity completed to calculate through the bill of material, the quantities of the components used and reduce on-hand balances by this amount.


Order for which the merchandise is not available and usually creates a list for re-order and ships when replenished.

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