1McGrawHillIrwin 2006 The McGrawHill Companies Inc
1
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
2
Chapter 5
Process Analysis
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
3
OBJECTIVES
Process Analysis
Process Flowcharting
Types of Processes
Process Performance Metrics
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
4
Process Analysis Terms
Process: Is any part of an organization that takes inputs and transforms them into outputs
Cycle Time: Is the average successive time between completions of successive units
Utilization: Is the ratio of the time that a resource is actually activated relative to the time that it is available for use
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
5
Process Flowcharting
Defined
Process flowcharting is the use of a diagram to present the major elements of a process
The basic elements can include tasks or operations, flows of materials or customers, decision points, and storage areas or queues
It is an ideal methodology by which to begin analyzing a process
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
6
Flowchart Symbols
Purpose and Examples
Tasks or operations
Decision Points
McGraw-Hill/Irwin
Examples:
Examples: Giving
Givingan
an admission admissionticket ticket to toaa customer, customer,installing installingaa engine enginein inaacar, car,etc. etc. Examples:
Examples: How
Howmuch
much change changeshould shouldbe be given givento toaacustomer, customer, which whichwrench wrenchshould should be be used, used,etc. etc.
© 2006 The McGraw-Hill Companies, Inc., All
7
Flowchart Symbols
Purpose and Examples
McGraw-Hill/Irwin
Storage areas or queues Examples:
Examples: Sheds,
Sheds,
lines linesof of people peoplewaiting waiting for for aaservice, service,etc. etc.
Flows of materials or customers Examples:
Examples: Customers
Customers
moving movingto toaaseat, seat, mechanic mechanicgetting gettingaa tool, tool, etc. etc. © 2006 The
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
2
Chapter 5
Process Analysis
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
3
OBJECTIVES
Process Analysis
Process Flowcharting
Types of Processes
Process Performance Metrics
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
4
Process Analysis Terms
Process: Is any part of an organization that takes inputs and transforms them into outputs
Cycle Time: Is the average successive time between completions of successive units
Utilization: Is the ratio of the time that a resource is actually activated relative to the time that it is available for use
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
5
Process Flowcharting
Defined
Process flowcharting is the use of a diagram to present the major elements of a process
The basic elements can include tasks or operations, flows of materials or customers, decision points, and storage areas or queues
It is an ideal methodology by which to begin analyzing a process
McGraw-Hill/Irwin
© 2006 The McGraw-Hill Companies, Inc., All
6
Flowchart Symbols
Purpose and Examples
Tasks or operations
Decision Points
McGraw-Hill/Irwin
Examples:
Examples: Giving
Givingan
an admission admissionticket ticket to toaa customer, customer,installing installingaa engine enginein inaacar, car,etc. etc. Examples:
Examples: How
Howmuch
much change changeshould shouldbe be given givento toaacustomer, customer, which whichwrench wrenchshould should be be used, used,etc. etc.
© 2006 The McGraw-Hill Companies, Inc., All
7
Flowchart Symbols
Purpose and Examples
McGraw-Hill/Irwin
Storage areas or queues Examples:
Examples: Sheds,
Sheds,
lines linesof of people peoplewaiting waiting for for aaservice, service,etc. etc.
Flows of materials or customers Examples:
Examples: Customers
Customers
moving movingto toaaseat, seat, mechanic mechanicgetting gettingaa tool, tool, etc. etc. © 2006 The