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Article: The impact on rack configuration on the speed profile of the storage and retrieval machine.
- Article from:
- IIE Transactions
- Article date:
- July 1, 1997
- Author:
CopyrightCOPYRIGHT 1997 Institute of Industrial Engineers, Inc. (IIE). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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1. Introduction
The automated storage/retrieval system (AS/RS) consists of a series of storage aisles that are handled by one or more storage/retrieval (S/R) machines. The aisles contain storage racks for holding the materials to be stored. The S/R machines are utilized to deliver materials to the storage racks and to retrieve materials from the rack.
The S/R machine has three mechanical drives: a vertical drive, which raises and lowers the unit load; a horizontal drive, which moves the unit load back and forth along the aisle; and a shuttle drive, which transfers the unit load between the S/R machine's carriage and both sides of the aisle. Typically, the ...