design documentation me 2110singhose.marc.gatech.edu/courses/me2110 spring10/lectures...what you...
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Design Documentationiin
ME 2110
Jeffrey DonnellMRDC 3104894-8568
January, 2010
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Agenda
• What reports are for• Format and information in technical reportsFormat and information in technical reports• Quick tips on presentations• Our expectations for drawingsOur expectations for drawings• How to integrate drawings and discussion
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What you will do in ME 2110
• Design and evaluate devices.Design and evaluate devices.
• Document these designs using drawings• Document these designs using drawings.– Drawings should be computer-prepared– All design illustrations should represent your workg p y
• Characterize and evaluate the designs in written reports. g p
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Reports in ME 2110
During studio sessionsg
h d f h jAt the end of each project
Homework
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Technical Communication—IFiFigures
• Drawings display designs• Flowcharts display sequences of events• Tables display data
G h h i• Graphs show comparisons• Matrices display decision criteria
S ifi ti Sh t di l l ti it i• Specification Sheets display evaluation criteria
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Technical Communication—IIDescribing FiguresDescribing Figures
• What is shown?• What is important in the figure or table?What is important in the figure or table?• What does this system do?
Wh d hi i h l d ?• What does this matrix help you to do?
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Reports present accomplishments
Accomplishments are tangible:
• A device (shown in a drawing)
• A plan for solving a problemA plan for solving a problem(shown in flowcharts and tables)
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Reports do not present d i i t tiadministration
• Team meetingsg
• Brainstorming sessionsg
• Concepts that were discussed but not drawnConcepts that were discussed but not drawn
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Reports require teamwork
Team members must take charge of:
• Text• Drawing• QualityQuality
– Coordinate figure numbers with citations– Proofread the documentProofread the document– Verify that page design is appropriate– Verify that the document is complete
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Ve y t at t e docu e t s co p ete
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Typical Report Sections
• Abstract
• Introduction
• OverviewOverview– As appropriate
• Discussion• Discussion– As appropriate
C l i10
• ConclusionsJ. Donnell / ME 2110, 2010
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Abstract
• State Objective.• State Result.
(Use numbers when available)• State Evaluation / Recommendation
(such as lessons learned)(such as lessons learned)• List Report Contents.
Do not use figures in the Abstract
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Introduction
• State the assigned taskState the assigned task.– Customer Needs
Overall Product Function– Overall Product Function
D fi h d i h ll• Define the design challenges.
• State what is presented in the report.
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Overview(for human transporter report)
Design Overview• Display and describe drawings of the selected
design
(for reports on large project)Planning Presentation• Display and describe Planning Toolsp y gConcept / Evaluation Presentation• Display and describe alternatives and
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Display and describe alternatives and evaluation tools J. Donnell / ME 2110, 2010
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Discussion
Justification: How was the design selected?• Present and describe alternatives and evaluation.• Present and describe planning tools.
OR
Analysis: Did the design perform as expected?Analysis: Did the design perform as expected?• Report system performance.• Account for failures and for successes
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• Account for failures and for successes.J. Donnell / ME 2110, 2010
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Conclusions
• Restate the project task.
• Restate the result and evaluation.
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Oral Presentations in ME 2110
• State your name and your teammates’ namesS h j bj i d h h ll (• State the project objective and the challenge (as available)D ib d i ( th li h t )• Describe your design (or other accomplishments)– Display design drawings (or other charts)
l l• Evaluate your results – What worked
Wh t f il d– What failed– What you would do differently
• Summarize points and ask for questions16
• Summarize points and ask for questionsJ. Donnell / ME 2110, 2010
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Displaying Illustrations
• Make your own drawingsIf an illustration is not original, you will be in trouble
• Label the drawings• Number the figures • Provide captions• Cite and describe figures:g
“Figure 3 shows…..”
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H di l i f iHow to display information in drawingsg
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Overview Drawings
Drawing
The Leatherman Tool Group
Labels
Number with Caption
19Figure 1. Overview of Leatherman SuperTool
The Leatherman Tool GroupNumber with Caption
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Subsystem Drawings
BLADE END
DrawingsLANYARD ATTACHMENT
Labels
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The Leatherman Tool Group
Figure 2. Pliers OperationNumber with Caption
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Detail drawings isolate components
Drawing
The Leatherman Tool GroupFigure 3. Hard Wire Cutter LocationLabel
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Number with CaptionJ. Donnell / ME 2110, 2010
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Formal Figure Descriptiong p
See also section 9.1.3 of the book
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Describing Figures
D i i S
g g
Description Statements1) Citation2) Objective 3) Listing of labeled features3) Listing of labeled features4) Explanation of operation5) Di i ( d d)5) Discussion (as needed)
State potential challenges or actual results
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A fully labeled drawing is shown
Launch Platepennn
L AAir Reservoir
Hinge
Lever Arms
T-Valve SolenoidValve
Hinge
PneumaticActuators Base Plate
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Figure 9.3 An Air CatapultJ. Donnell / ME 2110, 2010
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The Figure is described
Figure 9.3 is a concept drawing of an air powered catapult. It is used to hurl tennis balls to the scoring zone of the design
12 g g
tournament field. The tennis balls are initially placed on a launch plate, which is connected to a hinge by two lever arms. Two pneumatic actuators are attached to these arms and are anchored to
3pneumatic actuators are attached to these arms and are anchored to a base plate. Hoses connect these actuators to a T-Valve, which is connected to an air reservoir through a solenoid valve. The solenoid
l i d ll b hi h i h fivalve is connected to a controller box, which is not shown. To fire this catapult, the controller sends a signal to the solenoid valve. The valve opens to allow a burst of pressurized air to flow from the
4p p
reservoir to the pneumatic actuators. The actuators extend, thereby forcing the lower arms and platform upward. This motion hurls the tennis ball towards the target
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tennis ball towards the target.
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L b l di i hLabels coordinate with text discussion
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Launch Platepenn
Air ReservoirLever Arms
T-Valve SolenoidValve
Hinge
PneumaticActuators Base Plate
Fi 9 3 A Ai C lFigure 9.3 is a concept drawing of an air powered catapult. It is used to hurl tennis balls to the scoring zone of the design tournament field. The tennis balls are initially placed on a launch plate, which is connected to a hinge by two lever arms. Two pneumatic
t t tt h d t th d h d t b l t H t
Figure 9.3 An Air Catapult
actuators are attached to these arms and are anchored to a base plate. Hoses connect these actuators to a T-Valve, which is connected to an air reservoir through a solenoid valve. The solenoid valve is connected to a controller box, which is not shown. To fire this catapult, the controller sends a signal to the solenoid valve. The valve opens to allow
b t f i d i t fl f th i t th ti t t Th
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a burst of pressurized air to flow from the reservoir to the pneumatic actuators. The actuators extend, thereby forcing the lever arms and platform upward. This motion hurls the tennis ball towards the target.
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Information Resources
http://www.me.gatech.edu/undergraduate/microsoft tools.shtml_
(A collection of tips for using Microsoft W d d P P i i h E lWord and PowerPoint with Excel, AutoCAD, and Matlab)
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Description ofPl i T lPlanning Tools
See also section 2.2 of the book
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Planning Tool Description
1) Cite the tool2) State what the tool helps designers do2) State what the tool helps designers do3) Call out significant entries
(C t N d t l ft E Ch t t I t(Cust Needs at left, Eng Char at top, Importance on the side, Strong relationship between…..)
4) St t h it i t k4) State how it impacts your work
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HOQ for Cup of Coffee
Tem
p
ury
ury
Leve
l
ndar
d
eigh
sisan
ce
Eng. Characts.
Hows
Serv
ing
T
Tast
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Smel
l Ju
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fein
e L
Col
or S
tan
Filte
r / W
e
Ana
lys
Impo
rta
Whats
Hot 8 ● ○Smell 6 ○ ○ ●Taste 9 ● ● ▲ ●Color 2 ●f C
offe
e
Color 2 ●Stimulating 10 ▲ ●Grounds 3 ○ ●Not Poisonous 10 ●
Cup
of
Organizational Diffic
130°
F
95%
95%
x m
g/l
NIS
T st
d co
lor
y m
g /l
LDSOTargets
Organizational Diffic
31
181 132 54 99 18 108 900.27 /
10.19/
20.08 /
60.15 /
40.03/
70.16 /
30.13/
5
ABSOLUTE IMPORTANCERELATIVE IMPORTANCE /
RANK
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Description of HOQ(1) Figure 1 presents the House of Quality (2) that was prepared to aid in the design of a cup of coffee (3) This toolprepared to aid in the design of a cup of coffee. (3) This tool allows the designer to assign values that relate the customer’s needs, or Whats on the left to the designer’s requirements, orneeds, or Whats on the left to the designer s requirements, or Hows across the top. (4) In this House of Quality, the design requirement for serving temperature is ranked as most important, as it strongly relates with many customer needs. (4) The product’s color is shown to have no significant
l ti hi ith th d i i t (4) d threlationships with other designer requirements, (4) and the caffeine level is shown to relate to the user’s need for taste and stimulating (5) Based on the information presented hereand stimulating. (5) Based on the information presented here, the serving temperature and taste of the coffee are more important than are color and smell.
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ing
Tem
p
ste
Jury
mel
l Jur
y
eine
Lev
el
r Sta
ndar
d
r / W
eigh
naly
sis
mpo
rtan
ce
Eng. Characts.
Hows
Serv Ta
s
Sm
Caf
fe
Col
or
Filte A
n
Hot 8 ● ○Smell 6 ○ ○ ●Taste 9 ● ● ▲ ●Color 2 ●
Im
f Cof
fee
Whats
Color 2 ●Stimulating 10 ▲ ●Grounds 3 ○ ●Not Poisonous 10 ●
° F
% % g/l
T st
d or g
/l
SO
Cup
of
Targets
Organizational Diffic
130 95%
95%
x m
NIS
Tco
lo
y m
g
LDS
181 132 54 99 18 108 900.27 /
10.19/
20.08 /
60.15 /
40.03/
70.16 /
30.13/
5
Targets
ABSOLUTE IMPORTANCERELATIVE IMPORTANCE /
RANK
(1) Figure 1 presents the House of Quality (2) that was prepared to aid in the design of a cup of coffee. (3) This tool allows the designer to assign values that relate the customer’s needs or Whats on the left to the designer’s requirements or Hows acrosscustomer s needs, or Whats on the left to the designer s requirements, or Hows across the top. (4) In this House of Quality, the design requirement for serving temperature is ranked as most important, as it strongly relates with many customer needs. (4) The product’s color is shown to have no significant relationships with other designer
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p g p grequirements, (4) and the caffeine level is shown to relate to the user’s need for taste and stimulating. (5) Based on the information presented here, the serving temperature and taste of the coffee are more important than are color and smell.
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HOQ from the bookHOQ from the book
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