P11216: Wandering Campus Ambassador (part 6)
/public/

Mechanical Engineering Concept Selection

Physical Deterrence Concepts

(reference) None 360 degree Sprinkler Mister Water Jet Pulsing Jet
Selection Criteria Weight Rating Wtd Rating Wtd Rating Wtd Rating Wtd Rating Wtd
Rate of Water Use 20% 5 1.00 3 0.60 4 0.80 1 0.20 2 0.40
Fabrication 10% 5 0.50 4 0.40 3 0.30 2 0.20 2 0.20
Programming Complexity 10% 5 0.50 5 0.50 5 0.50 2 0.20 1 0.10
Cost 5% 5 0.25 3 0.15 3 0.15 3 0.15 3 0.15
Pump Strength Required 10% 5 0.50 4 0.40 4 0.40 3 0.30 3 0.30
Range 20% 1 0.20 5 1.00 3 0.60 5 1.00 5 1.00
Robustness 5% 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25
Implementation 10% 5 0.50 5 0.50 2 0.20 3 0.30 3 0.30
Effectiveness 10% 1 0.10 5 0.50 2 0.20 5 0.50 5 0.50
Total Score 3.80 4.30 3.40 3.10 3.20
Rank 2 1 3 5 4
Continue? Yes

Adjustable Plant Holder Concepts

(reference) None Metal Band Sets of Brackets Brackets with Sliders Rubber Straps One Larger Pot
Selection Criteria Weight Rating Wtd Rating Wtd Rating Wtd Rating Wtd Rating Wtd Rating Wtd
Feasibility 15% 5 0.75 5 0.75 5 0.75 5 0.75 5 0.75 1 0.15
Fabrication 15% 5 0.75 4 0.60 3 0.45 4 0.60 5 0.75 5 0.75
Adjustability 20% 1 0.20 5 1.00 4 0.80 4 0.80 4 0.80 4 0.80
Cost 10% 5 0.50 4 0.40 3 0.30 3 0.30 4 0.40 4 0.40
Implementation 15% 5 0.75 3 0.45 4 0.60 4 0.60 3 0.45 2 0.30
Effectiveness 10% 1 0.10 5 0.50 4 0.40 4 0.40 3 0.30 2 0.20
Ease of Change 10% 1 0.10 5 0.50 3 0.30 4 0.40 3 0.30 5 0.50
Robustness 5% 5 0.25 4 0.20 5 0.25 4 0.20 1 0.05 5 0.25
Total Score 3.40 4.40 3.85 4.05 3.80 3.35
Rank 5 1 3 2 4 6
Continue? Yes Yes

Physical Deterrence Concepts - Reservoir/pump

Additional Pump New Reservoir w/ 2 Pumps Additional Reservoir w/ Pump Solenoid Valve
Selection Criteria Weight Rating Wtd Rating Wtd Rating Wtd Rating Wtd
Cost 30% 5 1.50 3 0.90 4 1.20 3 0.90
Size 20% 5 1.00 3 0.60 3 0.60 5 1.00
Fabrication 10% 3 0.30 4 0.40 5 0.50 4 0.40
Difficulty to Implement 30% 3 0.90 4 1.20 5 1.50 4 1.20
Water Management 10% 4 0.40 4 0.40 4 0.40 4 0.40
Total Score 4.10 3.50 4.20 3.90
Rank 2 4 1 3
Continue? Yes

Home | Project Summary | Team Values and Norms | Engineering Specifications | Weekly Status Report | Milestone Chart | Plan Breakdown Structure | Risk Management | Customer Needs