presented by: purdianta, st.,mt - esa unggul...
TRANSCRIPT
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Presented by: Purdianta, ST.,MT
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Introduction
• Modern organizations are considered highly complex networks of business units
• Each business unit realizes a part of the organization’s business process
• Complexity of business tasks requires computing power
• A common approach: tackle the business process objectives each unit accomplishes with an IT platform
• A common problem: a different IT platform for each unit
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Definition ERP is complete enterprise wide business software solution.
The ERP system consists of software support modules, such
as: marketing and sales, fields service, product design and
development, production and inventory control,
procurement, distribution, industrial facilities management,
process desig and development, manufacturing, quality,
human resources, finance and accounting, and
information services.
“ Travis Andereg-2002”
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Definition ERP system are computer based system designed to
process an organization’s transactions and facilitate integrated and real time planning, production, and
customer response. In particular ERPsystems will be
assumed to have certain characteristics.
“ Daniel O’Leary 2004”
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Definition ERPs integrate (ot attempt to integrate) all data and
processes of an organization into a single unified system. A typical ERP system will use multiple
component of computer software and hardware to achieve the integration. A key ingredient of most ERP
system is the use of a single, unified database to
store data for the various system modules.
“ Wikipedia”
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ERP Process
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ERP Evolution
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Resource Planning in Enterprises Material Requirements Planning
• Bill of material, inventory data, master production schedule
• calculates material requirements and schedules MRP
ERP
MRP II Manufacturing Resource Planning
• based on MRP
•computerised method for simultaneous planning the use of
all resources in a company, including financials,
manufacturing, and distribution management
Enterprise Resource Planning
• extension of the manufacturing resources planning
• automate and integrate business and production management
processes in a real-time environment
• closely associated with the use of client/server technology for
greater flexibility in operation and modelling of the enterprise
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Closed Loop MRP
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individual
mechanical
engineering
special
projects make-
to-order
assemble-
to-order
assemble
according
to catalog
make-
to-stock
production
by lot-size repetitive
manu-
facturing
process
manu-
facturing
continuous
manu-
facturing
P
R
O
D
U
C
T
C
O
M
P
L
E
X
I
T
Y
P R O D UC T S T A B I L I T Y
Manufacturing Scope
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Overview
CIM
CAD/CAE
CAP
CAM
PPC
CAQ
Interfaces
Data bases
Engineering
data bases
Enterprise modeling
Communication
Knowledge-based systems
CA
M
CA
P
CA
D
pro
duction
pla
nnin
g
pro
duction c
ontr
ol
Calculation
Selling
Capacity planning
Scheduling
Progressing
Job
Stock management/
quantity planning
Cost accounting
Dispatch
Factory data capture/
order monitoring
Development
construction
Scheduling
NC-programming
Quality management CA
Q
Parts manufacture
Production logistics
Assembly
Maintenance
pro
duct-
oriente
d p
rocess c
hain
ord
er-
oriente
d p
rocess c
hain
Integrated
PPIC System
Communication-
systems
Data bases
Knowledge-based
systems
Interfaces
Enterprise modelling
CIM-CONCEPTS
Engineering data bases
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Generic Framework Enterprise Functionality
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Generic Framework Enterprise Functionality
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Generic Framework Enterprise Functionality
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ERP System
A number of significant merits obtained from the ERP system employment:
Increase in both quality and quantity of information exchanged
A common user interface able to allow business users to perform a
variety of business tasks without retraining
Integration – e.g. Time manager perform organizational
management tasks and vice versa
Transparency – e.g. Employees could be served by more than one
end points
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Modules of ERP
ERP would be balancing the resources of an enterprise like manpower,
machines, materials, methods, money and marketing to stay competitive
in a globalized economy.
The various modules of ERP include :
engineering data control
(bill of materials, process plan and work centre data);
sales, purchase and inventory
(sales and distribution, inventory and purchase);
material requirement planning (MRP);
resource flow management
(production scheduling, finance and human resources management);
works documentation (work order, shop order release, material issue
release and route cards for parts and assemblies);
shop floor control and management;
and others like costing, maintenance management, logistics
management and MIS.
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General Model of ERP System
Source : Business Process Management Journal, Vol. 6 No.5, 2000.
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Infrastructure for ERP
Almost all ERP vendors provide tools to determine
the kind of computer infrastructure required, called
sizing tools such as CPU, memory, disk and other
configurations required for a given number of active
users.
The client/server architecture became very popular
and several enterprises consider it a de facto
standard.
Network either at the local area network (LAN) or at
wide area network (WAN).
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An Example of Client-Server ERP System
Client Application Logic System Data
WEB
Server JVM
Servlet Engine
Security Manager
WEB
Browser
Applet
Application
EJB
Entity
Beans
Session
Beans
J
T
S
D
B
A
P
I
SAP SB
Oracle
Informix
JDBC
ODBC
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An Example of Networking ERP System
Work Unit A Work Unit B Work Unit C
Server
Process C Process D
Module A Module B Module C
Process A Process B
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SERVER User
Login Manager
Username,
Encrypted password
An Example of ERP Security System
• Authentication • Authorization • Encryption Data
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An Example of Authorization ERP System 1/2 Modul-Modul User Group End User
User A
User B
User C
Sales
Purchase
Finance
Planning
Group 1
Group 2
Group 3
B/T
B/T
B/T
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User Context Manager
Transactional Database Manager
R/W R/W R/W
Module Finance
Module Purchasing
Module
Warehousing
Module Planning
Module
Sales
An Example of Authorization ERP System 2/2
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WORK UNIT A
WORK UNIT C WORK UNIT D WORK UNIT B
Application Server
COMPUTER NETWORK
Workstation Workstation
Workstation
An Example Integration of ERP System 1/2
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Branches X Branches Y
INTEGRATION
Head Office
An Example Integration of ERP System 1/2
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Cost for ERP
Total Cost of Overall Implementation
Implementation Services (used to cost even more, but not any more)
Software (40% - 60%)
Added Hardware (20% - 25%)
Basically, the cost of ERP implementation varies : - SME (Small-Medium Size) US$ 50,000 – US$ 700,000 - Medium Size US$ 700,000 – US$ 3 Million - Large Size More than US$ 3 Million
Most informants, used “annual revenue”, NOT number of employees as a measure for organization size (SME, Medium, Large). Because of implementation complexity, one of the vendors interviewed said that “there is no way can give a price over the phone”.
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The ERP Project Structure
SC - Project sponsor (e.g.: managing director) - Other senior managers - Internal Project Manager (PM) - External PM (e.g.: vendor) Level 1: Steering Committee (SC)
PM - Internal Project Manager (PM) - External PM (e.g.: vendor) Level 2: Project Manager (PM)
- Vendor assigned consultant - Team Leader Level 3: Implementation teams
Level 4: Large projects only
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Suppliers Outlet
Transportation Inbound
Logistics
Manufacturing
Delivery
Warehousing
Consumer
Product
Information + Cash
General Business Process Flow (Manufacturing Based )
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Marketing/Sales ForecastsBasic Data
Management
Order
Acceptance
Warehouse
Packing List
Shipping
Account
Receivable
(Accounting)
Customer
Payments
Marketing/
Sales
Customer/
Sales Order
Production
BOM
Management
Production &
Material Planning
Production/
Parts Ordes
Account Payable
(Accounting)
Invoicing/
Billing
Supplier
Payments
Purchasing
Inventory
Levels/Status
Product
Costing
Inventory
Management
Cost &
Income
Accounting
COGS/
COGM
Organizational Unit Function Data
Simply Business Process Chain Diagram for Logistics (Inbound + Outbound)
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Cycle of analytic and synthetic determination of demand
Source: Kernler 1993
master
production
plan
orders
deadlines
secondary
requirement
primary
demand
analytical determination of demand synthetic availability calculation
quantity
calculation
date
calculation
purchase
sale latest dates earliest dates
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Bill Of Materials (BOM) for customer`s order
ROB-1000 customer`s
order
. . .
ROB-1000
standard BOM
interactive
configuring
and manual
changing
customer`s order BOM
customer
Industrial robot ROB-1000
maximum load
action range 1,000 mm
base
150 kg
floor assembly
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Jobs of Bills Of Materials (BOM)
Source: Hackstein 1989
Functions Tasks
process planning
production scheduling
disposition
store
manufacturing
and
assembly
purchasing
sale and service
accounting
routing assembly instruction
production sequence (assembly sequence) demand management allocation of components/materials availability control
reservation list of product hierarchy (-structure) summary of required components/assemblies distribution
purchase of finished parts/raw material outside supply pricing
calculation of gross selling prices lists of substitutes
preliminary costing historic costing statistics
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Source : McGraw-Hill/Irwin, Copyright © 2004
ERP System Among Others
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Conclusions 1/2
ERP Implementation allowed:
An increase in the performance achieved in terms of business
process requests served at any given time period
Better inter-departmental cooperation through the use of the same
unified IT – ERP platform by all team members
A significant decrease in the number of errors in the business
process and in the information exchange among business nodes
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Conclusions 2/2
ERP Implementation allowed:
A significant reduction in the workload offered to the central
coordinator node
An increase in the system’s fault tolerance in case of business nodes
failures
Easy adaptation of new business methodologies by using standard
software engineering procedures
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“No product move until information move”
Quotes from Douglas M. Lambert, 2001. (Professor of Transportation & Logistics and Director of The Global Supply Chain Forum, Fisher Collage of Business, The Ohio State University)