flancian/garden
0
0
Fork 0
mirror of https://github.com/flancian/garden.git synced 2026-08-08 07:26:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

vault backup: 2021-07-18 23:41:54

Browse Source
This commit is contained in:
Flancian
2021-07-18 23:41:54 +02:00
parent c7311bce72
commit ced0b85c2e
2 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Pasted image 20210718234132.png
BIN
View File
Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 114 KiB

system theoretic process analysis.md
+6 -3
View File
@@ -6,8 +6,8 @@
- i love how STPA defers key steps to a later stage so they can be done systemically, once partial but complete initial modeling has taken place. - i love how STPA defers key steps to a later stage so they can be done systemically, once partial but complete initial modeling has taken place.
- can be applied recursively. - can be applied recursively.
- 4 [[steps]] - 4 [[steps]]
- define the purpose of the analysis, including [[losses]], [[scope]], [[hazards]], [[constraints]] (optionally derived also from [[sub hazards]]). - 1. define the purpose of the analysis, including [[losses]], [[scope]], [[hazards]], [[constraints]] (optionally derived also from [[sub hazards]]).
- model the control structure - 2. model the control structure
- step one: define the purpose of the analysis - step one: define the purpose of the analysis
- start with the [[losses]], which involve something of value to stakeholders - start with the [[losses]], which involve something of value to stakeholders
- continue by defining the [[scope]] of the system - continue by defining the [[scope]] of the system
@@ -16,4 +16,7 @@
- find [[system level constraints]]. - find [[system level constraints]].
- they can look like [[hazards]], inverted. - they can look like [[hazards]], inverted.
- or define how the system must [[minimize losses]] in case the hazards occur. - or define how the system must [[minimize losses]] in case the hazards occur.
- optionally find [[sub hazards]], which might also help define further constraints - optionally find [[sub hazards]], which might also help define further constraints
- step two: model the control structure
- ![[Pasted image 20210718234132.png]]
- a control structure is a system model that is composed of feedb