Chapter 2

Question 1

Steps of System Life Cycle for a RAMS Management Process 1-5

Answer 1

1. Concept
2. System definition and operational conditions
3. Risk analysis and evaluation
4. Specification of system requirements
5. Architecture and apportionment of system requirements

Question 2

Steps of System Life Cycle for a RAMS Management Process 6-12

Answer 2

6. Design and implementations
7. Manufacture
8. Installation and integration
9. System validation
10. Trial run and system acceptance
11. Operation, maintenance and performance monitoring
12. Decommissioning and disposal

Question 3

What is design?

Answer 3

Design is sketch or plan for future product; scheme or shapes forming decoration

Question 4

What is a process

Answer 4

Series of actions or steps toward achieving a particular end

Question 5

Which phases can be considered as design activities?

Answer 5

1 to 5

Question 6

Main Flows

Answer 6

Energy -> Machine
Material -> Apparatus
Signal -> Device

Question 7

General Process of Engineering Design (VDI 2221)

Answer 7

WHAT?

1. Clarify and define the task
2. Determine functions and their structure

HOW?

3. Search for solution principles and their combinations
4. Divide into realizable modules

GO!

5. Develop layout of key modules
6. Complete overall layout
7. Prepare proaction and operating instructions
   -> Further realisation

Question 8

Elements of Technical Specification

Answer 8

2 Elements:
- Purpose Description
- Requirement List

Question 9

A technical specification must be

Answer 9

• unambiguous: no room for interpretation
• clear: easy to understand
• complete: containing all information relevant for realizing a precut that
  behaves as expected

Question 10

What does engineering design imply?

Answer 10

• Applied natural sciences (objectivity)
• Business venture (monetary profit)
• Problem solving (purpose orientation)

Question 11

Method and Methodology

Answer 11

Method: Systematic proceeding aimed at reaching a certain target

Methodology: Systematic proceeding comprising several methods and aids aimed at reaching a certain target

Question 12

General Process of Problem Solving

Answer 12

1. Task (Problem)
2. Confrontation
3. Information
4. Definition
5. Creation
6. Evaluation
7. Decision
8. Solution

Question 13

Purpose-Definition

Answer 13

Processing of energy, material or signal flow (diagramm with input output)

Question 14

Sources of Requirements

Answer 14

• Client
• External environment
• Internal environment
• Policy

Question 15

Checklist for the identification of technical requirements

Answer 15

1. Geometry
2. Kinematics
3. Forces
4. Energy
5. Material
6. Signals
7. Safety
8. Ergonomics
9. Production
10. Quality Control
11. Assembly
12. Transport
13. Operation
14. Maintenace
15. Recycling
16. Costs
17. Schedules

Question 16

Design Engineers are…

Answer 16

problem solvers!

Question 17

2 Types of design knowledge

Answer 17

• Methods and tools
• Design rules

Question 18

Purpose of Design Theory

Answer 18

• Organise the wealth and knowledge
• Support effective education and research
• Increase product quality and efficiency of development process

Question 19

Design as a production-roiented process

Answer 19

1. Experience Design
2. Interface Design
3. Design Engineering
4. Production

Question 20

Types of requirements

Answer 20

• Techn.- economics requirements
• Organizational requirements

Question 21

Organizational requirements

Answer 21

• Time
• Staff
• Tools

Question 22

Techn.- economics requirements

Answer 22

• Purely technical requirements
• Interfaces
• Cost
• Laws, standards, patents, guarantees