Automated Storage/Retrieval System
#1

Presented by:
Chaitanya. M

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AS/RS (Automated Storage/Retrieval System)
Overview of AS/RS
AS/RS refers to a variety of computer-controlled methods for automatically depositing and retrieving loads from defined storage locations.
Overview of AS/RS
AS/RS are used widely in both Manufacturing and Distribution operations to hold and buffer the flow of material moving through the process to the ultimate end-user.
Problems of Conventional Storage System
Much time spend for searching
lost or damaged products and inaccurate records
Concept of AS/RS
The operation are totally automated
Computer controlled

Fully integrated with
factory and warehouse
operations
Basic Structure of AS/RS
Storage structure
S/R(storage/retrieval) machine
Storage modules
e.g.) pallets for unit loads
One or more pickup-and deposit station
External handling system
Basic Structure of AS/RS
1. Storage structure
- which is the rack framework
- made of fabricated steel
- supports the loads contained in the AS/RS
Basic Structure of AS/RS
2. S/R machine
- is used to accomplish storage transaction, delivering loads from the input station into storage, and retrieving loads from storage and delivering
Basic Structure of AS/RS
3. Storage modules
- are the unit load containers of the stored material.
- include pallets, steel wire baskets and containers, plastic tote pans
Basic Structure of AS/RS
4. Pick-and-deposit station
- is where loads are transferred into and out of the AS/RS.
- generally located at the end of the aisles for access the external handling system that brings loads to the AS/RS and takes loads away.
Basic Structure of AS/RS
5. External handling system
- brings loads to the AS/RS and takes
loads away.
ex) RTV(Robotic Transfer Vehicle)
Basic Structure of AS/RS
AS/RS Structure

- automatically operated
- can reduce wasted storage place
- protect product
Control
Using computer
Principle problem
- positioning the S/R machine
within an acceptable tolerance
at a storage compartment in
the rack structure to deposit
or retrieve a load.
Control
Positioning method
1) counting procedure
    - the number of bays and levels are
counted in the direction of
travel(horizontally and vertically) to
determine position
2) numerical identification procedure
    - each compartment is provided with a
reflective target with binary-coded
location identifications on its face.
Control
Optical scanners are used to read the target and position the shuttle for depositing or retrieving a load
Ex- Scanners read RFID-tags on pallets. (RFID-tags have information like compartment binary-code(position), sections, and etc...)
Each time a storage transaction is completed, the transaction must be recorded into the computer
Control
Computer controls
- storage transaction can be entered in real-time
- inventory records can be accurately maintained
Benefits
Improve operator efficiency and storage capacity
Increasing accuracy
Maximize available storage space
Reducing labor costs
Reducing product damage and waste costs
Increasing customer service (e.g. : fast delivery)
Real time inventory control
Removing personnel from difficult working condition
(such as cold food storage environments)
Design issue
Structure part
- Height and Length of storage structure
- Storage module size
- Aisle width
- Load capacity
- Horizontal and vertical speed & acceleration

Controller part
- Positioning method
- Record method
Application Example
FedEx
Application Example
FedEx
- They bring a lot of parcels and packages, and sort them with some standards (such as delivery zone) And then they load some parcels and packages into delivery trucks and deliver articles at house
Conclusion
AS/RS is in use and can be used many kinds of manufacturing line & distribution centers.

Using AS/RS with proper design will produce above mentioned many kinds of benefits.
Carousel Storage Systems
Horizontal
Operation is similar to overhead conveyor system used in dry cleaning establishments
Items are stored in bins suspended from the conveyor
Lengths range between 3 m and 30 m
Horizontal is most common type
Vertical
Operates around a vertical conveyor loop
Less floor space required, but overhead room must be provided
Horizontal Carousel Storage System
Carousel Applications
Storage and retrieval operations
Order picking
Kitting of parts for assembly
Transport and accumulation
Progressive assembly with assembly stations located around carousel
Work-in-process
WIP applications in electronics industry are common
Unique applications
Example: time testing of electrical products
Engineering Analysis of Automated Storage Systems
Automated Storage/Retrieval Systems
Sizing the AS/RS
AS/RS throughput analysis
Carousel storage systems
Storage capacity
Throughput analysis
Reply
#2
plz give me details about .Automatic Reem handling system for ASRS
(ASRS-Automatic Storage and retrival system)
i want this details for my final year project.. so please help me... related to TNPL....
Reply
#3
To get full information or details of Automated Storage/Retrieval System please have a look on the pages

http://studentbank.in/report-automated-s...val-system

if you again feel trouble on Automated Storage/Retrieval System please reply in that page and ask specific fields in Automated Storage/Retrieval System
Reply
#4


AS/RS Inquiries
Inquire about your automated storage and retrieval system
Mini Load
Mini-load ASRS systems typically handle totes, cartons or other other small containers, saving space and delivering product to order pickers, assembly operations, or other work in progress groups. Mini-load systems save space while increasing efficiency.
Unit Load Systems
Unit load is the material handling term for any configuration of materials that allow it to be moved by material handling equipment as a single unit. Typically, this means pallet loads, but can apply to containerized loads.
STVs (Sorting Transfer Vehicles)
STV's feature onboard microprocessor control with no complex programming functions. Simply define the layout to the controller and it directs the STV where to go and what to do.
AGVs (Automated Guided Vehicles)
AGVs are automatically-programmed vehicles that drive to pre-planned points and perform pre-programmed functions.
The True Costs of Pallet Storage
Don't let the illusion of “cost-per-pallet-position” overcome more complex and accurate ways to measure the true cost of storing a pallet
AS/RS Modernizations
AS/RS Modernization is a cost-effective way to continue using older Automated Systems - revitalize them and create new efficiencies without the cost of a new system.
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