1-1-2 OR (Operations Research) and
IE (Industrial Engineering)
Reference
OR
“OR” is a set of scientific techniques for
determining and implementing business
plans in a corporation, which has
emerged as a field of applied mathematics and computing.
Drawing widely from techniques and
tools of science, it is a method for analyzing the problems involved in a given
task and discovering the optimal solution.
Abbreviation for “Operations Research.”
Reference
IE
“IE” is a method for streamlining the
processes involved in “manufacturing”,
“construction”, etc. More specifically, it
uses a variety of methods to study the
time involved in a task, to plan and
manage daily schedules, to manage
costs, etc. It is widely used on the production field as a technique for improving operations.
Abbreviation for “Industrial Engineering.”
“OR (Operations Research)” is a method for analyzing and solving problems that arise in business administration. “IE (Industrial Engineering),”
Meanwhile, is a method for improving problems that arise in the production field or services.
Because of the great impact that people, materials, money, and information
have on the conduct of business activities, it is important to analyze, solve,
and improve problems that arise at both the managerial level and the field
level.
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Understanding operations
Various kinds of charts and diagrams are used in OR and IE to analyze,
solve, and improve work issues.
The followings are used to understand operations.
Illustrating the flow of work
Workflow
Explicating the structure of problems
Association diagram, tree diagram, affinity
map
Expressing relationships
Matrix diagram, matrix data analysis
Expressing trends over time
Z graph
Expressing distributions
Distribution diagram, portfolio
Used in planning and management
Gantt chart
●Workflow
A “workflow” shows tasks as linked chains of actions. Using a workflow
makes it possible to recognize which department is carrying out what task,
and what relationships there are between which departments.
Customer
Orders
product
Sales
Receives
order
Books order
Marketing
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Accounting
Checks
inventory
Requests
product
shipment
Receives
product
Issues
payment
Warehouse
Checks
product
Ships
product
Settles
payment for
product