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Engineering Systems Integration
Subjective frame
Objective
frame
Cognition Procedures Models
Behaviors
Functions
Objects
Social and management domain
Product
or
service
domain
3 × 3
Framework
FIgure 2.9
Integrative systems framework 3 × 3.
Figures 2.8 and 2.9 are similar. The explicit depiction of causalities is shown
in Figure 2.8, while the procedural work-up based on those causalities is
show in Figure 2.9.
This match-up of the subjective and objective frames occurs in the sequence
outlined below, always beginning with cognitive structures, completing a
nexus of one subjective–objective item, then moving on to the next nexus.
Progressing through the 3 × 3 matrix begins with a work-up beginning with
the subjective frame. Depending on your style, manner, and preferences for
thinking about objects and processes, it may be more comfortable to begin
with one or the other of the subjective or objective domains. Different people
can also participate, proving their thinking styles better fit for one domain or
the other. That said, it is advantageous to first focus on the social and management issues (cognition, procedures, models) if you think like a manager;
on the product or service issues (e.g., objects) if you think like an engineer; on
user behaviors if you think like a systems engineer; on functions if you think
like a systems engineering integrator, on boundaries and user behaviors if
you are an eclectic-systems integrator-thinker. Additional roles can be readily mapped to the 3 × 3 matrix. For convenience, a typical sequence is delineated beginning with cognition, progressing through each item in its domain
that matches with the objective frame; then next to all items indicated for
procedures; finally covering all items indicated for models.
• Cognition–objects; cognition–functions; cognition–behaviors
• Procedures–objects; procedures–functions; procedures–behaviors
• Models–objects; models–functions; models–behaviors
Detailing each of these conjunctions of domain items indicates the scope
that is considered when mapping the frames to enlighten the integration
effort. Beginning with the subjective frame each domain item is described.
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