Platform & Modular Design · Aphorisms and Procedural Steps in Architecture Development or Product...
Transcript of Platform & Modular Design · Aphorisms and Procedural Steps in Architecture Development or Product...
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Platform & Modular Design
DevelopmentOf
Subsystems and InterfaceArchitecture
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Product Platform - Definition
• An Architecture of a set of Subsystems (Modules) and their Interfaces the Form a Common Structure from Which a Stream of Derivative Products (or Services) can be Efficiently Developed and Produced over a Period of Time
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Product Family - Definition
• A Product Family is a Set of Individual Products (or Services) that Share Common (Modules and Interfaces) & Technology and Address a Related Set of Market Applications
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Platform Extensions – Definition
• Product Derivatives with one or more Common Subsystems (Modules) and Their Interfaces that are Substantially Improved with New Technology
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New Product Platform -Definition
• A new Architecture, i.e., a New Combination of New Subsystems (Modules) and Their Interfaces Linked with Some Prior Generation Subsystems and Interfaces
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Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms A
DN
B
DN
C
DN
D
DN
E
DN
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Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms A
DN
B
DN
C
DN
D
DN
E
DN
N1
N1-1
N2
N2-1
N3
N3-1
NN
NN-1
Sha
red
Sys
tem
s / S
ubsy
stem
Arc
hite
ctur
es
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Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms
Sha
red
Sys
tem
s / S
ubsy
stem
Arc
hite
ctur
es
A
DN
B
DN
C
DN
D
DN
E
DN
N1
N1-1
N2
N2-1
N3
N3-1
NN
NN-1
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(Power Tool) Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms Drills
DN
Jig Saws
DN
Sanders
DN
Edgers
DN
HedgeTrimmers
DN
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(Power Tool) Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms Drills
DN
Jig Saws
DN
Sanders
DN
Edgers
DN
HedgeTrimmers
DN
Motors
N1-1
Housing
N2-1
Gear Boxes
N3-1
Auxil.
NN-1
Sha
red
Sys
tem
s / S
ubsy
stem
Arc
hite
ctur
es
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(Power Tool) Product Platform -System Architecture (Shared)
D = DerivativeN
Product Platforms
Sha
red
Sys
tem
s / S
ubsy
stem
Arc
hite
ctur
es
Drills
DN
Jig Saws
DN
Sanders
DN
Edgers
DN
HedgeTrimmers
DN
Motors
N1-1
Housing
N2-1
Gear Boxes
N3-1
Auxil.
NN-1
FieldsArmaturesShaftsBrushesInsulatorsWire
HousingsLabels
GearsBearingsShaftsSpindles
SwitchesCord SetsFastenersPackaging
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Scania - Modular Design & Product Platforms
Modules - Elements of Product Architecture
Scandia Truck Modules
• Engines - generate power
• Cabs - comfortably carry and protect driver
• Transmissions - transmit power
• Chassis - carry loads
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AB
CD
A
B
C
AB
CD
ll
ll
ll
ll
ll
ll
ll
lCab
s (3)
Engines (4)Trans (4)
Chassis (15)
Scania - Modular Design & Product Platforms
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Product Family - Definition
• A Product Family is a Set of Individual Products (or Services) that Share Common Technology and Address a Related Set of Market Applications
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Product Family Evolution –Dimmer Switches
D = DerivativeN
Product Platforms Rotary
1961DN
Slider
1971DN
Toggle
1991DN
Rocker
1992DN
Touch Tap
1995DN
CenturianFandial
Lumea SkylarkNovaGlyder
Ariandi Diva MaestroVario
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Product Family Evolution –Dimmer Switches
D = DerivativeN
Product Platforms
Sha
red
Sys
tem
s / S
ubsy
stem
Arc
hite
ctur
es
DN
DN
DN
DN
DN
HousingN1-1
Yoke-Heatsink
N2-1
Circuit Board
N3-1
Switch Knob
NN-1
Rotary
1961
Slider
1971Toggle
1991
Rocker
1992Touch Tap
1995
CommonHousings?
CommonYoke-Heatsink?
CommonCircuit Board?
CommonSwitch Knobs?
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Modular Design Non-collaboration
DivisionA
3788 PartNumbers
DivisionB
1032Part
Numbers
DivisionC
3413Part
Numbers
100100100100CommonPartsPartsPartsParts
53CommonParts
88CommonParts
Less than2% Inter-DivisionalUse of CommonParts
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Functional Platform Architecture In Product Design
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Definition: “Functional Platform”Functional Platform Architecture in Product Design
• A discrete functional element of a composite and/or complex system that provides a specific contribution to the whole system
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Functional Platform Architecture in Product Design
• Aphorisms* procedural steps in architecture development or product design analysis
* Aphorisms: concise statement of principle
Source: Rules and Methods
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Procedural Steps in Architecture Analysis or Development
Aphorisms and Procedural Steps in Architecture Development or Product Design Analysis
• Strive to design interface architecture that is elegantly simple, reliable, cost effective, and will be a long lived design architecture. A “standard” geometry that could persist for years. (Example: 35mm film cartridges, electric outlets, lamp sockets, telephone jacks, QWERTY keyboard.)
• Avoid “domino effect” of functional element platform designs or evolutionary changes that violate interface architecture. Platform designs should not bridge or leak to other platforms across interfaces.
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Procedural Steps in Architecture Analysis or Development
Aphorisms and Procedural Steps in Architecture Development or Product Design Analysis
• Isolate and reduce each functional element of the total system to a singular function
• Identify and specify each interface (linkage), essential and nonessential, of each functional element to another
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Procedural Steps in Architecture Analysis or Development
Aphorisms and Procedural Steps in Architecture Development or Product Design Analysis
• Decouple as many interfaces as possible - strive to max out at two (2) interfaces. (Avoid complexities of four (4) or more interfaces.)
1 2 3 4 5 6 7 8 9
Excellent Poor Terrible
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Procedural Steps in Architecture Analysis or Development
Aphorisms and Procedural Steps in Architecture Development or Product Design Analysis
• When a functional platform transitions from “generic” to a “unique” state, restrict functional platform architecture to two(2) interfaces: one (1) generic and one (1) unique interface. (Avoid coupling multiple functional architectures to unique systems.)
• Within each functional platform architecture allow for many degrees of freedom and latitude, i.e. capability, variety of functions, materials, hierarchy of capability, etc.
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Procedural Steps in Architecture Analysis or Development
Aphorisms and Procedural Steps in Architecture Development or Product Design Analysis
• At end user interfaces, provide architectures to enable a rich variety of capabilities, forms, visuals, and features for the product’s evolutionary life cycle extensions, competitive advantages, and future product line developments and multiple product platforms.