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ANALYSIS ON LAPTOP USING QFD
———A case Study on Improving Lenovo ThinkPad X201i 3249J4C.

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CONTENT INTRODUCTION 1 METHODOLOGY 2 CASE STUDY 3 CONCLUSION 4 REFERENCES 5

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1. INTRODUCTION The purpose:
——Improve Lenovo ThinkPad X201i 3249J4C laptop. Method: ——Quality function deployment (QFD) ——Comparing Lenovo and Sony

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Investigation project
We need to improve the Lenovo ThinkPad X201i 3249J4C laptop according to Customer needs . Summary sheet of customer investigation Investigation project Awareness Perception Lenovo Sony Speed 5 4 3 Weight Capacity (5 levels scale) 1=don’t attention 5=special focus

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The congruent relationship between the indexes customers care and technique index
(attractive quality ) Frequency Speed Memory Material Weight Size Thickness Capacity Hard disk

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The parameter comparison between Lenovo ThinkPad X201i 3249J4 and Sony X138JC/P(pink)
Frequency Memory Material Weight Size Thickness Hard disk Lenovo 2.13GHz 2GB Magnalium 1.44kg 12.1 inch 17.9mm 250G Sony 1.86GHz Mixed mode carbon fiber 780g 11.1 inch 13.9mm 128G

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2. METHODOLOGY QFD : To help transform the customer needs into engineering characteristics for a product or service, prioritizing each product or service characteristic while simultaneously setting the development targets for the product or service.

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The House Of Quality

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3. CASE STUDY

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Customer Requirements
Step 1 Customer Requirements Customer requirements Index level Customer satisfaction Speed Weight Capacity

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Key Customer needs rank
Step 2 Planning Matrix Customer Requirem-ents Import-ance Comparative analysis Improvement goal Key Customer needs rank Enterprise Else Improve-ment goal Standard increased rate Commodity characteris-tic point Absolute weight Weight﹪ Speed 5 4 3 1.25 ◎ 9.375 31.9 Weight 1.67 12.525 42.6 Capacity ○ 7.5 25.5 Total 29.4 100

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Technical Requirements
Step 3 Technical Requirements Technical requirements Technical index Frequency Memory Material Size Thickness Hard disk

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Step 4 Relationship Matrix ⊙ ○ Frequency memory Material Size
Thickness Hard disk Speed ⊙ ○ Weight Capacity Technical requirements Customer requirements

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* Step 5 Correlation Matrix Technical requirements Frequency Memory
Material Size Thickness Hard disk * Hard disk

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House of quality Setting Technique analysis Desired value Quality character design Oppone-nt Comparative analysis Importance（%） 1 2 4 5 3 + – = 14.3 16.0 23.9 11.9 17.9 Targets 25.5 ○ 1.25 ⊙ Capacity 42.6 1.67 Weight 31.9 ◎ Speed Commodity characteri-stic point Standard increased rate Improv-ement goal Else Enterp-rise Weight﹪ Improvement goal Import-ance Planning Matrix Hard disk Thickness Size Material Internal memory Frequency * Technical requirements Customer

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Technical requirements Targ-ets 17.9 11.9 23.9 16.0 14.3 + = – 3 1 5 4
Frequency Memory Material Size Thickness Hard disk Targ-ets Importance（%） 17.9 11.9 23.9 16.0 14.3 Comparative analysis Opponent + = – Technique analysis 3 1 5 4 2 Quality character design Desired value Setting

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Compar-ative analysis
Technical requirements Frequency Memory Material Size Thickness Hard disk Targ-ets Importance（%） 17.9 11.9 23.9 16.0 14.3 Compar-ative analysis Opponent + = – Technique analysis 3 1 5 4 2 Quality character design Desired value Setting Frequency Memory Material Size Thickness Hard disk × × × √ √ √ It keeps at the same level as our rivals’ and it will not make notable difference to laptop’s performance. The expense on disk research is low and will boost customer’s satisfaction. Thickness and size has great influence on weight. The cost of frequency’s advancement is relatively high. Have additional value in the patent technology Hard to improve in a limited time.

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4.CONCLUSION Improving goals:
——A thinner and smaller laptop equipped with a bigger capacity.

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5.REFERENCES 1. Sullivan LP (1986) Quality function deployment. Qual Prog19:39–50 2. Chan L-K, Wu M-L (2002) Quality function deployment: a literature review. Eur J Oper Res 143:463–497 3. Cohen L (1995) Quality function deployment: how to make QFDwork for you. Addison-Wesley, New York

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