Automated Storage and Retrieval System (often referred to as ASRS or AS/RS) refers to a computerized robotic system that automates operations such as unloading, sorting, put-away, storage, order-picking, staging and loading. Systems typically consist of 4 main components: the storage rack, the input/output system, the storage and retrieval(S/R) equipment, and the computer management system. This nature system have been used for years in manufacturing and warehouse facilities.