vault backup: 2021-07-19 01:03:54

stpa handbook.md

@@ -55,3 +55,7 @@ Refining control structures:
 On [[control]] proper:
 
 ![[Pasted image 20210719005502.png]]
+
+tips to prevent common mistakes in a control structure: 
+
+![[Pasted image 20210719010243.png]]

system theoretic process analysis.md

@@ -25,4 +25,3 @@
 			- vertical axis represents a hierarchy ([[heterarchy]]? perhaps in voting systems)
 		- [[responsibilities]] can be assigned to each control structure entity; they are refinements of [[system level constraints]]
 		- [[feedback]] can be derived from [[responsibilities]] (which information does the process model need to contain?)
-		- tips to prevent common mistakes in a control struc![[Pasted image 20210719010243.png]]