Bonne introduction au Lean Product & Process Development (LPPD), des concepts bien recontextualisés (Concept paper, Chief engineer, jalons, obeya, set-based design, PDCA, Fixed & flexible). 3* car la forme est tres «
Bouquin de management à l’américaine » et je trouve la place à la critique du modèle faible : je trouve la comparaison avec tesla pas très objective.
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Notes du livre :
Front-Loading & set-based approach
Conceptially, front loading is about generating lots of alternaties ay Concarefilly converging on multiple aspects of he design simultaneously.
The more traditional approach to development is point based: to quickly converge on a single solution and then iterate to make it feasible from multiple perspectives, for example, trying to make a product achieve a function and then later modifying it to make it more manufacturable.
The irony of a set- based approach is that a lot more time and efor the front end, which can delay decisions, actually leads to a beer de faster- from all perspectives, including an austomers.
Concept paper
That information must be turned into a clear and compelling vision or the product, prioritized performance characteristics, and a delivery plan that is shared with those who will help to deliver the program. The con. cept paper is developed and evolved during the study period, not just written at the end, and it is, in a sense, the "product of the study period.
We described in our previous book how the concept paper, also known as the chief engineer's vision inside Toyota, can be the culmination of many months of research, experimentation, and debate between the CE and key members of the team. The document rarely exceeds 25 pages and includes detailed quantitative and qualitative goals and objectives for the product's performance, as well as system-level targets for cost and qual-ity. It also includes project scope and schedule and provides a high-level financial justification for the project. But perhaps most importantly, it provides a compelling vision of what this product must be and what must be accomplished in order to deliver that vision. It should both inform and inspire the development team.
There are three primary steps when developing a concept paper: compile data and information, align with key stakcholders, and enroll the extended team.
To summarize, 4 steps :
1/ deep understanding of customers
2/ set-based design
3/ experiment to learn (PDCA)
4/ Concept paper
Milestones:
Purpose :
1/ Reference points to determine normal from abnormal. Milestones tell the team members if they are on track so that they can decide how best o proceed. They should define a "normal" condition for that point in the development process. This is not a "go of no-go" gate, but a key indicator to enable the team to take appropriate action to course-correct as required. The idea is similar to Sakichi Toyoda's loom or the lines on the foor of an assembly-line workstation, indicating the percentage of work to be completed at that point in the station. If a worker is at the 50 percent line, and only 25 percent of the work is complete, he or she can pull the andon to signal for help.
2/ Key integration points. Milestones are an important part of synchronizing work across functional groups. They should be designed to recognize key interdependencies between disciplines like software and hardware or design and manufacturing and provide common reconciliation points.
3/critical component of a development operating system
What’s a useful milestone ?
- a real purpose - ask "What problem are you
trying to solve with this milestone?"
- Clear quality of event criteria (QEC). (1) The QEC should be the critical few predictors of project success, not a wish list of every possible failure mode you can brainstorm. (2) Is the requirement binary? (3) If it can't be binary, is there a quantitative range that can be established, (4) IF it can’t be binary or quantitative, is there clarity about who decides if criteria have been met?
Milestones review rituals can be organized.
Fix & Flexible :
By building a fixed and flexible strategy around shared best-in-class components across vehicles, the companies were able to achieve both improved quality and scale. The standard designs and components removed some of the more routine design work, which allowed them to focus on the challenging problems that truly needed to be customized. We believe this seemingly simple concept can have profound implications for your development capability.
Fixed elements in product development are often expressed through standards that are experience-based solutions for typical and recurring problems. They are usually applied where new solutions will not add to customer value.
Flexible aspects of product development are those in which innovation and creativity add customer value and differentiate the product. They are the very heart of the product's unique value proposition--often the reason "why" we are doing this project. In this case, the high-level vision of "what" we are trying to do may be understood, but the "how" is not.
Consequently, the risk profile and gaps in knowledge are significant during this part of the project and will require substantive innovation.
Chief Engineers characteristics :
- passionate
- learner
- big-picture thinker
- communicator
- technical understanding
- player : know how to get things done by knowing company’s informal systems
the term management system is used in different ways, w believe a management system is the product of two elements: leadership behaviors and an operating system (LB X OS = MS).
Learning Organization = Culture × Occasions × Scientific Thinking X
Gatekeepers × Communication