Using MORPH and PUGH Matrices

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Presentation transcript:

Using MORPH and PUGH Matrices Presented by The Lightning Boltz & The Thunder Botz Members of the MMRA September 10, 2016 Jack Killian Doug Killian

Pugh Concept Selection Techno-speak: A Pugh Matrix requires multiple iterations of evaluation where alternative concepts are combined and/or changed to improve their performance compared to several criteria English! Pugh Concept Selection We’ve got a bunch of ideas…how do we choose the best one?? “A major advantage of controlled convergence over other matrix selection methods is that it allows alternative convergent (analytic) and divergent (synthetic) thinking to occur, since as the reasoning proceeds and a reduction in the number of concepts comes about for rational reasons & new concepts are generated.” – Dr. Stuart Pugh

Steps for Pugh Concept Selection There are 3 Basic Steps to Concept Selection (picking the best idea that we’re gonna run with) : Gather Ideas Things you’ll need: Human Beings Creativity Whiteboard Junk Food (optional) Organize the Ideas (MORPH Matrix) Develop & Refine the best Ideas (PUGH Matrix) “Face Off” between the ideas Discussion creates more ideas

Creation of Alternative Concepts There are several ways to identify Alternative Concepts : Brainstorming Group of experts pool their knowledge and experience to develop new, alternative concepts for intended functions Technical Benchmarking Group of experts evaluate multiple competitive and/or related designs to identify all the different ways currently being used to perform the same function(s) Morphological (“Morph”) Matrix Group of experts identifies all intended functions for of a given design, along with all possible choices for performing each function, then combines those alternatives in different ways to create new, feasible design concepts Today’s Activity

Challenge: Get a pile of dirt from once place to another Example Bring on the DIRT! Challenge: Get a pile of dirt from once place to another

Creation of MORPH MATRIX to Identify Concepts Solutions Functions Design Parameter (A way to do it) 1 2 3 4 Get Dirt Move Dirt Store Dirt Release Dirt (What it has to do)

Creation of MORPH Matrix to Identify Concepts Solutions Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Store Dirt Release Dirt

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Release Dirt

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt Pivot Pump Door Teleport

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt Pivot Pump Door Teleport

Create Combinations within Morph Matrix to Identify Concepts Solutions Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt Pivot Pump Door Teleport COMBINE THE DESIGN PARAMETERS TOGETHER TO CREATE DIFFERENT CONCEPTS

Concept #1 BUCKET TREADS PIVOT

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt Pivot Pump Door Teleport

Concept #2 VACUUM WHEELS CHAMBER DOOR

MORPH MATRIX Solutions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Functions Design Parameter 1 2 3 4 Get Dirt Bucket Brush Vacuum Shovel Move Dirt Treads Wheels Legs Hover Store Dirt Enclosed Chamber Hands SD Card Release Dirt Pivot Pump Door Teleport

Concept #3 SHOVEL LEGS BUCKET PIVOT

Combinations Potential Concepts to evaluate Creation of Alternative Concepts 44 = 256 Combinations Potential Concepts to evaluate Ugh… Use a Pugh Matrix to determine which concepts are the “best”

PUGH Matrix: Identify Concept Evaluation Criteria There are several types of Criteria that should be included : What’s important to the user? For example : Voice of Customer (“I want…”) Engineering Measures (“smallest” or “fastest”) Will it be successful? Cost Packaging (fit in your pocket?) Feasibility (possible?) Manufacturability & Service Criteria should also have clear “Directionality” ex. - for Cost, LESS is BETTER

Prepare Pugh Evaluation Matrix Sketch Sketch Sketch Sketch

PUGH Matrix BUCKET LOADER Size Weight Capacity Mobility Reliability ?

S: Same as Datum +: Better than Datum - : Worse than Datum PUGH Matrix: Conduct First Run Concepts come from the combinations you made in the Morph Matrix (Size) (Weight) Fill in the Pugh Matrix – Rate the Concepts (Capacity) Can we combine some strengths from other concepts? S: Same as Datum +: Better than Datum - : Worse than Datum

PUGH Matrix: Conduct Controlled Convergence Runs

PUGH Matrix: Choose Strongest Concept(s)

PUGH Matrix – Group Example Challenge: Move Martian Soil to Prepare a Landing Site Concept Criteria Sample Robot Concept A Concept B New Concept (C) New Concept D Size (Fit in Rocket) DATUM S + smaller - Bigger than front loader Weight (Rocket Payload) lighter Heavier than front loader Capacity (Amount of Dirt) Less capacity Can’t hold much Larger bucket Mobility (Get to location) Treads better More mobile over rocks Reliable (Environment) Complex/delicate Can operate without air Efficiency ? e ?

Pugh Matrix – Group Example – Controlled Convergence Keep going until you create your team’s concept!!! Concept Criteria “Best” Concept from 1st Run Concept X Concept Y Hybrid Concept Best Concept Criteria 1 DATUM   Criteria 2 Criteria 3 Criteria 4 Criteria 5 Criteria 6