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Capstone Design (Efficient Stock Control). 20072375 정성욱 20072385 송준권 20072393 박양우. Contents. Introduce Company Our Subject A point in dispute Forward for the solution of the planning The next time our plan. Contents. subject of our team visited hollys coffee Visit the content - PowerPoint PPT Presentation
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Capstone Design(Efficient Stock Control)
20072375 정성욱20072385 송준권20072393 박양우
Contents• Introduce Company• Our Subject• A point in dispute• Forward for the solution of the plan-
ning• The next time our plan
Contents• subject of our team • visited hollys coffee• Visit the content• Contents Organization• The next time our plan
Contents• problem that we have to solve• Methods to solve this problem• How selected• The selected methods
Contents1. Introduction of method we previ-
ously talked about2. Management science3. Information needed to solve prob-
lem with management science4. Information gathering and arranging5. Make graph
Contents1. Management science2. Information needed to solve prob-
lem with management science3. Information gathering and arranging4. Make graph5. The problem occurred6. Worry about the problem
Introduce Company• Business name : Hollys Coffee• Location : 광주광역시 서구 치평동 1241-
1 번지 상무힐타워 1 층• Store size : 232 ㎡ (72 평 )• Workforce : 12people(rotation)• Weekday sales : \200~\300 만원• Weekend sales : \350~\400 만원• 홈페이지 : www.hollys.co.kr
Introduce Company• Store front picture
Introduce Company• Store inside picture
Introduce Company• Store picture
Our Subject• Hollys Coffee in stock– Milk, Coffee Beans, Fruit, Bread, Cake
etc.
• When we have to order and how much should we order?
• How manage the items efficiently.
Problem
Economic loss
expenses
Short expiration
date
ship-ping fee
Buy a lot of items, if we
can not sell all theproducts
The date isexpired
Forward for the solution of the plan-ning
• We find the optimal solution① loss expenses research② The optimal order quantity decision③ The optimal order cycle decision
Forward for the solution of the plan-ning
optimal order quantity decisionoptimal order cycle decision
Con-sumer
period of stock
Con-sumer
fre-quency of stock
Stock ordering
data
Re-search con-
sumer prefer-ence
Order and
shipping fee
Forward for the solution of the plan-ning
• Use to management Science (EOQ)• Example)
Forward for the solution of the plan-ning
• Simulation• Program name : Arena• Example)
subject of our teamhollys coffe is managing inventory management in-
efficiently
trying to manage inefficient inventory management scien-tifically and approach by working industrial engineering.
Our object is creation of profit making economically and CEO’s Psychological stability
visited hollys coffee• the date : 26th 3pm• Visit the shop : at SANG-MU hospital• Visit the content– First, we requested cooperation.– After that, we investigated shop.– Third, we investigated kind of stock.– Third, we investigated kind of stock.– Finally, we interviewed executive and
employee.
Visit the content (1)• request for cooperation.
Visit the content (2)• investigation of shop.
Visit the content (3)• investigation of stock.
Visit the content (4)• Interview data• Interview language : Korean• the interview was proceeded through: 2hours.– Interview data
• major inventory management,• kind of stock and storage period• famous menu and consumption• other important matters.• the interviewees : supervisor and owner.
• we spend 5 or 6 hours to arrange interview.
Visit the content (5)• Talking about the interview
Q : How did you management stock?A : A set of individual stock management
Q : What kind of stock?A : Milk, Coffee beans, Cookies, Muffin,
Strawberry…
Visit the content (6)Q : What the most popular menu?A : 1. Macchiato 2. Café mocha 3. Café
latte . 4. Fruit smoothie
Q : What the most popular stock?A : 1. Coffee beans 2. Milk 3. Strawberry smoothie Pack`` 4. Baguette
Visit the content (7)we decided to manage milk and coffee beans
Contents Organization (1)• Interview Organization
List ContentsThe most famous menu‘s
1. Macchiato 2. Café mocha 3. Café latte4. Fruit smoothie
The most used stock 1. Coffee beans 2. Milk 3. Strawberry smoothie Pack 4. Baguette
Stock order contents Maximum 3 tines
Contents Organization (2)• Our contents of inventory manage-
mentList Contents
Milk Coffee beans
Cost price 960Won 26,000Won
Use 1Pack (four or five glasses of coffee)
1Pack (seventeens or eighteens glasses of coffee)
Expiration date 10 days 1 Month
Once order quantity 32Pack 1Box(8Pack)
Storage method
1 space for refrigera-tor Cold storage
Contents Organization (3)• Milk manage-
ment• Coffee beans
Contents Organization (4)
Hollys Coffee stock management
depending on exec-utives experiences
managing the inventory management academically anxiety of stock
Economic loss
ResultManager : “although the economic loss is
not too big, it can cause numerous eco-nomic loss later.”
“This company needs improvements”
The problem that we have to solve (1)
• Management stock data– The stock's contents for order last week
at hollys coffee
MondayMilk : 48Coffee
bean : 8
TuesdayNone
Wednes-day
Milk : 32Coffee
bean : 8
ThursdayNone
FridayMilk : 48Coffee
bean : 10
SaturdayNone
SundayNone
Order!!
Order!!
Order!!
• Currently is stock
MondayMilk : 48Coffee
bean : 8
TuesdayNone
Wednes-day
Milk : 32Coffee
bean : 8
ThursdayNone
FridayMilk : 48Coffee
bean : 10
SaturdayNone
SundayNone
MondayMilk : 48Coffee
bean : 8
TuesdayToday!!!!!
Milk : 8Coffee
bean : 12
WednesdayHow many
order?
ThursdayNone Friday
SaturdayNone
SundayNone
18 19 20 21 22 23 24
31302928272625
10Pack 4Pack
8Pack all
The problem that we have to solve (2)
Possible Method1. Management Science(EOQ)2. Inventory management program3. Simulation4. Excel inventory management5. ABC analysis
Methods to solve this problem• Use to management Science (EOQ)• Example)
Methods to solve this problem• Simulation• Program name : Arena• Example)
Methods to solve this problem• Inventory management program
Methods to solve this problem• Excel inventory management– Excel and Access DataBase to used reliable solu-
tion– Data is stored in a database management pro-
gram. There is no limit of capacity, this is a very fast speed.• local version : 1 people
– Money : ₩ 150,000• network version : 10 인 이하
– money : \400,000
Methods to solve this problem• ABC analysis
– Price is high, to come less quantity is difficult. A invento-ry.The price is cheap and easy to buy, C inventory. The middle of it B inventory. How to classify this and chang-ing management emphasis.
Selection CriteriaManagement
science (EOQ)
Inventory man-agement program Simulation
Excel inven-tory manage-
ment ABC analysis
Knowledge + 0 0 - -
Travel time - + - 0 0
Cost + 0 + + +
Adequacy + 0 + - -
Accuracy 0 + - + -
+ 의 합 3 2 2 2 1
0 의 합 1 3 1 1 1
- 의 합 1 0 2 2 3
total 2 2 0 0 -2
rankin 1 1 3 3 5
Quality Function Deployment송준권
Selection CriteriaManagement
science (EOQ)
Inventory man-agement program Simulation
Excel inven-tory manage-
mentABC analysis
Knowledge + 0 + + -
Travel time + + - + -
Cost - 0 0 0 0
Adequacy + + + 0 +
Accuracy 0 + - - 0
+ 의 합 3 3 2 2 1
0 의 합 1 2 1 2 2
- 의 합 1 0 2 1 2
total 2 3 0 1 -1
rankin 2 1 4 3 5
Quality Function Deploy-ment 정성욱
Selection CriteriaManagement
science (EOQ)
Inventory man-agement program Simulation
Excel inven-tory manage-
mentABC analysis
Knowledge + - + - +
Travel time - - - 0 -
Cost + - 0 - 0
Adequacy + - + - +
Accuracy 0 + - + -
+ 의 합 3 1 2 1 2
0 의 합 1 0 1 1 1
- 의 합 1 4 2 3 2
total 2 -3 0 -2 0
rankin 1 5 2 4 2
Quality Function Deploy-ment 박양우
Selection Criteria 가중치(%)
Management science (EOQ)
Inventory management pro-gram
평가가중점수
평가가중점수
Knowledge 30 5 1.5 5 1.5
Travel time 20 3 0.6 4 0.8
Cost 10 5 0.5 1 0.1
Adequacy 30 4 1.2 1 0.3
Accuracy 10 2 0.2 5 0.5
sum 4 3.2
ranking 1 2
계속 ? Yes!! No
Quality Function Deployment
selected methods• Use to management Science (EOQ)• The reason– Specialty– Have learned– No cost
Management Science1. Not Allow the “out of stock”
2. Allow “out of stock”
Information needed to solve problem with management science
1. Consumption of stock for a week2. Demand of milk and coffee beans
Information gathering and arranging
Information gathering and arranging
Information gathering and arranging
Information gathering and arranging
• Coffee bean 1Pack 55shots• Milk 1Pack 6cups
Information gathering and arranging
Information gathering and arranging
Information gathering and arranging
Information gathering and arranging
SundayNone
MondayMilk : 32Coffee
bean : 10
TuesdayNone
Wednes-day
Milk : 32Coffee
bean : 14
ThursdayNone
FridayMilk : 48Coffee
bean : 15
SaturdayNone
SundayNone
MondayMilk : 32Coffee
bean : 14
Tuesday WednesdayMilk : 32Coffee
bean : 12
ThursdayNone
FridayMilk : 32Coffee
bean : 18
SaturdayNone
14 15 16 17 18 19 20
27262524232221
1. Order Data
Information gathering and arranging
Sales Vol-ume
Vol-ume of or-ders
Graph
일 월 화 수 목 금 토 일 월 화 수 목 금 토 일-200
0200400600800
10001200
Inventory change Graph (Milk, Coffee beans)
The
tota
l sto
ck
A shortage of goods in stock
Problem
Slope is con-stant
Slope is constant Demand is constant
The problem we want to approach is inventory management system under NOT constant or Irregular demand
Worry about the problem• Method of irregular demand manage-
ment– Production management• Material and stock management
– Ordering point and Safe stock level decision : Proba-bilistic model
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