Chapter 2 Flashcards

1
Q

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

A
  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
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2
Q

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

A
  1. Design and implementations
  2. Manufacture
  3. Installation and integration
  4. System validation
  5. Trial run and system acceptance
  6. Operation, maintenance and performance monitoring
  7. Decommissioning and disposal
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3
Q

What is design?

A

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

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4
Q

What is a process

A

Series of actions or steps toward achieving a particular end

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5
Q

Which phases can be considered as design activities?

A

1 to 5

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6
Q

Main Flows

A

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

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7
Q

General Process of Engineering Design (VDI 2221)

A

WHAT?

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

HOW?

  1. Search for solution principles and their combinations
  2. Divide into realizable modules

GO!

  1. Develop layout of key modules
  2. Complete overall layout
  3. Prepare proaction and operating instructions
    -> Further realisation
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8
Q

Elements of Technical Specification

A

2 Elements:
- Purpose Description
- Requirement List

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9
Q

A technical specification must be

A
  • unambiguous: no room for interpretation
  • clear: easy to understand
  • complete: containing all information relevant for realizing a precut that
    behaves as expected
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10
Q

What does engineering design imply?

A
  • Applied natural sciences (objectivity)
  • Business venture (monetary profit)
  • Problem solving (purpose orientation)
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11
Q

Method and Methodology

A

Method: Systematic proceeding aimed at reaching a certain target

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

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12
Q

General Process of Problem Solving

A
  1. Task (Problem)
  2. Confrontation
  3. Information
  4. Definition
  5. Creation
  6. Evaluation
  7. Decision
  8. Solution
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13
Q

Purpose-Definition

A

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

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14
Q

Sources of Requirements

A
  • Client
  • External environment
  • Internal environment
  • Policy
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15
Q

Checklist for the identification of technical requirements

A
  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
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16
Q

Design Engineers are…

A

problem solvers!

17
Q

2 Types of design knowledge

A
  • Methods and tools
  • Design rules
18
Q

Purpose of Design Theory

A
  • Organise the wealth and knowledge
  • Support effective education and research
  • Increase product quality and efficiency of development process
19
Q

Design as a production-roiented process

A
  1. Experience Design
  2. Interface Design
  3. Design Engineering
  4. Production
20
Q

Types of requirements

A
  • Techn.- economics requirements
  • Organizational requirements
21
Q

Organizational requirements

A
  • Time
  • Staff
  • Tools
22
Q

Techn.- economics requirements

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