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Your PPM Process is Broken: The Fatal Flaw in Measuring
Engineering Progress
Chad JacksonFounder and President
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Engineering’s Interests in PPM• Engineering
organizations are more resource constrained than every before
• Affects organizational performance but also individual’s quality of life
• PPM offers a means to ‘right size’ the amount and scope of development projects
engineering-matters.com… published by…
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Recent Research Confirms
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Recent Research Confirms
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Two Project Sets to Assess in PPM
• A key concept is the assessment of new and ongoing projects against objective criteria
• Compare and contrast new and ongoing projects against each other
• Ongoing projects may be killed in an effort to reapply resources
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There is something wrong with how
progress in engineering development projects is
assessed today
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A Quick Story to Illustrate…
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The visual fidelity of models and simulation can provide a false
sense of progress in engineering
projects.
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Two Sets of Development Activities
Engineering a Product• Activities to explore iterations
that impact a product’s form, fit and function
• The purpose is to gain enough understand of the trade-offs in these options to make design decisions
Documenting a Product• Activities to create the
deliverables unambiguously define the product
• The purpose is to provide a definition to downstream roles such that they can manufacture the product
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“There are roughly over 20,000 decisions we have to make before we
reach production with a new car program”
General Motors via Chuck GrindstaffSiemens PLM Connections Event, Las Vegas NV, May 2nd 2011
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04/08/2023
Lean Principles Applied to Design
• Set Based Design– Don’t commit to one
design choice until you must
– Mature both options as long as possible while you learn and gain knowledge
– Only make the decision at the last second when you have as much knowledge as possible
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04/08/2023
Two Competing Projects• Project #1
– Exploring 13 iterations
– Conducted 15 simulations
– Performed 20 tests– Completed 20% of
design decisions– Completed 17% of
3D models– Completed 15% of
engineering drawings
• Project #2– Exploring 2
iterations– Conducted 3
simulations– Performed 1 tests– Completed 65% of
design decisions– Completed 75% of
3D models– Completed 55% of
engineering drawings
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04/08/2023
What to Do? Leverage the V Model
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Instrument left side of the v-model with metrics that measure not only deliverable
based progress but also knowledge attainment, decision completion and decision confidence.
Instrument right side of the v-model with metrics that measure verification and validation of the decisions made on the left side of the v-
model.
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04/08/2023
Summary and Takeaways• Deliverable progression is a
flawed approach to measuring engineering progress
• Instrument the left side of your engineering v model with metrics that track knowledge attainment, decision completion and decision confidence
• Instrument the right side of your engineering v model with verification and validation metrics in terms of tests completion and test confidence
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