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Decision Making

Decision Making - DecisionMaking CarDesign Objectives 1...

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Decision Making
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Car Design Objectives 1. The Car should be safe 2. The Car should be economical to use 3. The car should be easy to manufacture 4. The Car should cause little pollution Constraints 1. The Car should not weight more than 700 lbs 2. The Car should resist a 5 MPH bumper impact without damage 3. The Car should cost less than $15,000
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CAR Engine Brakes Energy Source Gasoline Electric Disc Regenerative Batteries Fuel Cells Gasoline Concept Fan
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Gasoline Enrgy Source Gasoline Electric Disc Regenerative Batteries Fuel Cells Engine Brakes Concept Combination Table
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Gasoline Enrgy Source Gasoline Electric Disc Regenerative Batteries Fuel Cells Engine Brakes Concept Combination Table
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Gasoline Enrgy Source Gasoline Electric Disc Regenerative Batteries Fuel Cells Engine Brakes Concept Combination Table
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Safe Economical to Use Easy to Manufacture Low Pollution Safe 1 5 3 3 Economical to Use 1/5 1 1 1/3 Easy to Manufacture 1/3 1 1 1/3 Low Pollution 1/3 3 3 1 1 = equal 3 = moderate 5 = strong 7 = very strong 9 = extreme Safe Economical to Use Easy to Manufacture Low Pollution G. Mean Weight Safe 1.00 5.00 3.00 3.00 2.59002 0.52 Economical to Use 0.20 1.00 1.00 0.33 0.508133 0.10 Easy to Manufacture 0.33 1.00 1.00 0.33 0.57735 0.12 Low Pollution 0.33 3.00 3.00 1.00 1.316074 0.26 Total 4.9916 total Mean G w A A A Mean G N N / . ) ( . 1 2 1 = × × × = Concept Selection
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If a contraint is No Constraints That Option must be Discarded Less than 700 lbs 5 MPH Crash Select option with Highest Score Less than $15,000 Objectives w Score W.Score Score W.Score Score W.Score Safe 0.52 5.00 2.6 4 2.08 4 2.08 5 is Maximum Economical to Use 0.10 3.00 0.3 2 0.20 5 0.50 Easy to Manufacture 0.12 5.00 0.6 4 0.48 3 0.36 Low Pollution 0.26 5.00 1.3 1 0.26 5 1.30 4.8 3.02 4.24 Yes Option 3 Yes Yes Option 2 Yes Yes Option 1 Yes Yes Yes Yes Concept Selection
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Decisions Based on Objectives:  Major Selection Satisfy Personal Interest Maximize Job Possibilities Maximize Starting Salary Rapid Growth Work Indoors Work Outdoors Maximize Job Stability Avoid Complex Courses Start a Business with little money Incorporate to Family Business Grow Family Business to next level Possibility of Travel
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Decisions Based on Objectives:  Major Selection Objectives 1. Satisfy Personal Interest 2. Maximize Starting Salary 3. Maximize Job Possibilities 4. Rapid Growth Constraints 1. Find a Job in your Home City 2. Minimum Starting Salary $4,000
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Objective 1 Objective 2 Objective 3 Objective 4 Objective 1 1 1 1 1 Objective 2 1 1 1 1 Objective 3 1 1 1 1 Objective 4 1 1 1 1 1 = equal 3 = moderate 5 = strong 7 = very strong 9 = extreme Objective 1 Objective 2 Objective 3 Objective 4 G. Mean
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