What is Brain Storming?
- Powerful tool for design teams
- Used to generate ideas in a group
- Can be used on any sub-problem
- It is best after knowing the main design requirements
- Have fun
- Support not criticize
- No boundaries
- Completely free your mind
- No limits on the number of ideas
- Fragmented ideas OK
- Just keywords OK
- No criticizing (during or after)
- No evaluating or dismissing
- No dismissing EVEN your own ideas
- No “You must be joking” looks or comments
- Explain quickly (few seconds)
- No questions
- Let ideas you don’t understand go
- Speed is the key
- Important is “Association” not “Viability”
- Avoid subtle evaluations
- How is it going to do …
- Isn’t this violating the rules
- That is an excellent idea
- How is this different than that idea
- Select a moderator
- No dominating
- No interrupting
- No passing
- Short session (20 minutes)
- Create ideas in silence
- Multiple rounds
Phase I: Idea Purge Phase
- The objective is declared.
- Many ideas written rapidly on sheet of paper.
- There is a relaxation break after two minutes.
- The process continues for another minute.
Phase II: Idea Trigger Phase
- Leader calls each member for their ideas.
- Team members cross out shared ideas.
- Each idea as read may trigger other ideas in other members who write them down quickly on a second page.
- After the first round, the members repeat the reading process for the second sheet and more until no new ideas are triggered.
Phase III: Compilation
- Members compile and classify ideas into a master list and distribute it.
- Work alone to create more ideas.
- Meet and selects promising ideas.
- 3-5 promising ideas are developed in more detail listing pros and cons using a trade study to document decision.
- Team will down select to 1 design to be engineered.
- Team members identify critical sub-systems and hold brainstorming sessions on such sub-systems.
- See the trade study page for more for details