ge105: introduction to engineering design moving walkway
TRANSCRIPT
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GE105: Introduction to Engineering Design
Moving Walkway
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GE105: Introduction to Engineering Design
By:
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GE105: Introduction to Engineering Design
By:Khalid AlOtaibi
432100215
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GE105: Introduction to Engineering Design
By:Abdullah AlHazzaa
432102977
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GE105: Introduction to Engineering Design
By:Haithem Bajaaifer
432105705
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GE105: Introduction to Engineering Design
By:Abdulmajed Alomran
432100371
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GE105: Introduction to Engineering Design
By:Ahmed AlNajedi
432101631
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GE105: Introduction to Engineering Design
Supervisor: Prof.M.E.E.Abashar
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Introduction:
We thought about making something that fills our needs. Our project is about making our lives a lot easier. It’s designed for those having special needs in the first place, and for the rest of the students because there is a long walking distance between buildings which consumes students' time and energy.
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Problem Statement:
Students and staff, especially those with special needs, have to travel long distances between college buildings in a short time.
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Need Analysis:
• We searched for solutions and came up with the following:
• Moving walkway.• Metro.• Golf cars. ?
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• Advantages of moving walkway :
1 -No waiting. 2 -Cost effective.
3 -Easy to use.4 -Easy to maintain.
Moving Walkway
4(1)
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Objectives:
• Primary objective : To Design a moving walkway to transport people between colleges.
• Secondary objectives : Benefits everyone , effective 5
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Objective Tree:
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• Cost: less than 10 million SR• Safety: scheduled
maintenance • Width: 1.5(m) for each line• Construction time: during summer vacation• Capacity : 400kg/m2• Power consumption: Consumes low energy
Constraints:
7(2)
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• Material : light, tough and flexible.• Energy: uses solar energy. Saves energy by
shutting down when not in use.• Paint with white color: to Lower heat
absorption. • width and length : 1.5 meters wide and 100
meter long (for each unit).• Rotary engine : AC induction motor
Criteria:
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To design a moving walkaway for students and college employees because there is a long walking distance between buildings. The cost must be less than 10 million. It has 1.5 (m) width for each line and pressure of 400 (Pa) with total capacity of 600 people to transport. It will be made of light and tough flexible materials. It runs on solar energy and electricity. It will work on rotary engine. We will save energy by stopping the moving walkaway in stillness mode .
Problem definition:
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Different Existing Design:Golf Car Moving Walkway
Can not take a lot of people in one time
Can take a lot of people in one time
It requires a lot of parking spaces
______
It requires salary for the driver
______
Not always available Always available Hard to maintain Easy to maintain 10
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Different Existing Design:
Metro Moving Walkway
Construction costs will be high
Construction costs will be lower
Waiting time No waiting time
Not always available Always available Hard to maintain Easy to maintain
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Morphological analysis :Feature Possible concepts
Martial of Handrail Plastic – Rubber - Steel
Type of Engine Torque – Servomotor – AC induction
Safety Alarm – Red light - Fuse
Energy sources Solar – Electricity – Wind energy
Martial of Steps Iron – Aluminum -Rubber 12
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Possible design:
Design (1) : Plastic, Servomotor, Alarm, Electricity, Rubber
Design (2): Rubber, AC induction, Fuse, Solar/ Electricity, Iron
Design (3):
Steel , Torque, Red light , Wind energy , Aluminum
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Criteria and Weights:Criteria Weights
Handrail 15Engine 30Safety 30Energy 15Steps 10
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Rate: 5 Best to 1 Worst:Criteria
Handrail Engine Safety Energy Steps Score
Weight 15 30 30 15 10 100
Design 1Rate 2 4 4 3 3
Total 30 120 120 145 30 345
Design 2Rate 5 4 3 4 5
Total 75 120 90 60 50 395
Design 3Rate 1 3 2 2 4
Total 15 90 60 30 40 235
The best design is design 2 15
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• Anthropometric : The Dimensions of chairs Will fit the moving walkway.
Human Factors:
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Human Factors : Anthropometric
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• Ergonomic : The rotation motion of engine.
• Physiological : Walking in a moving walkway.
• Psychological : Safety , saving energy and time
Human Factors:
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Prototype : AKHA001A
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Conclusion: Designing this project opened our eyes
to the forgotten students with special needs and encouraged us to work as hard as we can making our university better than before and one of the best
universities .
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References:(1 : )http://farm5.staticflickr.com/4134/4798741706_966d9
19b3c_z.jpg(2) : http://s3media4.ak.yelpcdn.com/bphoto/nyj5YyzVj8HBy5uMMWriyg/l.jpg
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