operation management2 final
DESCRIPTION
TRANSCRIPT
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Operation Management 2Group Report
Select Best Tablet PC in the world
Team MemberGoshi Fujimoto /201247529Nobuya Yoshizwa / 201047532Shigenori Kobayashi /201247513
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Objectives•Select best of the best Tablet PC from
the market•Each Tablet PC has pros and cons•How do we select the best one?
Size?Price? Portability? Battery life?
Spec?
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Approaches
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1. Compose objectives
•What is tablet PC?•Clearly different from the laptop•Need different objectives for
tablet PC•What are needs for tablet PC?
Make a wish list
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1. Compose objectives
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2. Identify fundamental objectives• Categorize and extract fundamental objectives from a
wish list to create the hierarchy of fundamental objectives
Show friendsBring to cafe
Not make my eyes tired
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3-1. Apply the attributes
iPad iPad Mini Galaxy Kindle Fire Nexus Xperia Tables
Thinkpad Tablet2
Price yen/unit 41500 28800 29800 12800 22982 36161 68183
OS iOS iOS Android Android Android Android Windows8
Processor A6X 2 core 1.0GHx
A5X 2 core 1.0GHx
APQ8060 DC 1.5GHz
OMAP4430 1.2GHz
Tegra3 1.3GHz
Tegra3 1.3GHz
Atom Z27860 1.8GHz
LCD quality IPS IPS TFT IPS IPS TFT IPS
LCD Resolution pic 2048 x 1536 1024 x 764 1280 x 800 1024 x 600 1280 x 800 1280 x 800 1366 x 768LCD Size Inch 9.7 7.9 10.1 7 7 9.4 10.1Storage Size GB 16 16 16 8 16 16 64Weight g 652 308 565 400 340 570 570Battery Life hr 10 10 8 8.5 10 10 10Wi-Fi IEEE802.
11 a. b. g. n. a. b. g. n. b. g. n. a. b. g. n. b. g. n. a. b. g. n. a. b. g. n.
BluetoothBluetoot
h1.0-4.0
4.0 4.0 3.0 n/a 3.0 3.0 4.0
Camera resolution(Head)
resolution 5M 5M 3.2M n/a 1.2M 8.0M 8.0M
Camera Resolution(Tale)
resolution 1.2M 1.2M 2.2M n/a n/a 1M 2.0M
The above product specification are captured from product catalog. Price information is from “kakaku.com”, as of Jan 5th 2013.
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3-2. Apply the attributes
Catalog Spec Attributes Measurement standard
Measurement scale
Reference source
Price yen/unit Price yen/unit Lower is better kakaku.com
Design DesignAppearance,
Quality of material
Higher is better5-1 kakaku.com
Team member
OS Process Speed Enable to operate without
frustrationFast –Slow
5-1kakaku.com
Team memberProcessor xx GHz
LCD quality TFT/OLED
LCD Quality
Quality of Display
including resolution,
color
Higher is better5-1
kakaku.comTeam memberLCD Resolution pic
LCD Size Inch
Portability
Body Size and Weight
Length of battery life
Higher is better5-1
kakaku.comTeam member
Weight g
Battery Life hr
Wi-Fi IEEE802.11
User Friendly interface
Easy to operate, easy to input data, easy to set up
wireless environment.
Higher is easier5-1
kakaku.comTeam member
Bluetooth Bluetooth1.0-4.0
Camera resolution(Head)
resolution
Camera Resolution(Tale)
resolution
Converting Product spec to measurable attribute
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4. Construct the consequences table
iPad iPad Mini Galaxy Kindle Fire Nexus Xperia
TablesThinkpa
d Tablet2
Price yen/unit 41500 28800 29800 12800 22982 36161 68183Design Good-
Bad: 5-1 4.7 4.9 4.5 5 4.3 4.8 4.4Process Speed
Fast –Slow5-1
5 5 5 4 3 3 4User Friendly Interface
Good-Bad: 5-1 3.8 4.6 3.7 5 4.1 4.2 4.3
Portability Good-Bad: 5-1 3.4 4.8 4.1 5 4.6 4.6 3.6
LCD Quality Good-Bad: 5-1 5 5 4.2 5 4.5 4.5 3.6
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5.Ways to make the decision
•How to eliminate alternatives•Even swap
•How to make the rational decision•AHP
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5-1. Eliminate Alternatives iPad iPad Mini Galaxy Kindle
Fire Nexus Xperia Tables
Thinkpad Tablet2
Price yen/unit 41500 28800 29800 12800 22982 36161 68183
Design Good-Bad: 5-1 4.7 4.9 4.5 5 4.3 4.8 4.4
Process Speed
Fast –Slow5-1
5 5 5 4 3 4.2 4User Friendly Interface
Good-Bad: 5-1 3.8 4.6 3.7 4.5 4.1 4.5 4.3
Portability Good-Bad: 5-1 3.4 4.8 4.1 5 4.6 4.6 3.6
LCD Quality Good-Bad: 5-1 5 5 4.2 4.5 4.5 4.5 3.6
Dominated by iPod Mini
Dominated by Kindle fire
Dominated byKindle fire
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5-2. Structure Hierarchy Tree Best Tablet PC
Price Design ProcessSpeed
User Friendly Interface
Portability
LCDQuality
iPad Mini Galaxy Kindle Fire
XperiaTablet
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5-3. Develop Pairwise Comparison
iPad Mini Kindle Fire Galaxy XperiaiPad Mini 1 1 3 2Kindle Fire 1 1 3 2Galaxy 1/ 3 1/ 3 1 1/ 3Xperia 1/ 2 1/ 2 3 1
Design
iPad Mini Kindle Fire Galaxy XperiaiPad Mini 1 3 1 5Kindle Fire 1/ 3 1 1/ 3 2Galaxy 1 3 1 1/ 5Xperia 1/ 5 1/ 5 1/ 2 1
Process Speed
iPad Mini Kindle Fire Galaxy XperiaiPad Mini 1 1/ 7 1 3Kindle Fire 7 1 5 9Galaxy 1 1/ 5 1 5Xperia 1/ 3 1/ 9 1/ 5 1
PriceiPad Mini Kindle Fire Galaxy Xperia
iPad Mini 1 3 1 5Kindle Fire 1/ 3 1 1/ 3 2Galaxy 1 3 1 1/ 5Xperia 1/ 5 1/ 5 1/ 2 1
Process Speed
iPad Mini Kindle Fire Galaxy XperiaiPad Mini 1 1/ 3 3 2Kindle Fire 3 1 5 4Galaxy 1/ 3 1/ 5 1 1/ 3Xperia 1/ 2 1/ 4 1/ 3 1
User Friendly Interface
iPad Mini Kindle Fire Galaxy XperiaiPad Mini 1 1/ 3 3 2Kindle Fire 3 1 5 4Galaxy 1/ 3 1/ 5 1 1/ 3Xperia 1/ 2 1/ 4 3 1
Portability
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5-4. Develop Reference Vector
Citeria Price Design Process Speed User Friendly Interface Portability LCD QualityPrice 1 5 4 3 3 7Design 1/ 5 1 1/ 3 1/ 6 1/ 6 2Process Speed 1/ 4 3 1 1/ 3 1/ 5 4User Friendly Interface 1/ 3 6 3 1 1/ 3 5Portability 1/ 3 6 5 3 1 6LCD Quality 1/ 7 1/ 2 1/ 4 1/ 5 1/ 6 1
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5-5. Calculate a Consistency Ratio
1 5 4 3 3 71/ 5 1 1/ 3 1/ 6 1/ 6 21/ 4 3 1 1/ 3 1/ 5 41/ 3 6 3 1 1/ 3 51/ 3 6 5 3 1 61/ 7 1/ 2 1/ 4 1/ 5 1/ 6 1
0.3759430.0492430.0946970.1743030.27163
0.034184
2.57800.29870.58561.14061.89390.2163
(1)Pairwise comparison matrix for the criteria
(2)Preference vector
(3)
x =
6.857526.065606.183666.543976.972356.32800
(3)/(2)
CI=0.098370382CI/RI=0.079330953 > 0.10
Degree of consistency is satisfactory
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Our Conclusion
The Best of Best buy Tablet is…
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Our Conclusion
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Ranking ScoreiPad Mini 0.274463Kindle Fire 0.289825Galaxy 0.111858Xperia 0.062664