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Work-breakdown Structure

Essentially, the goal of creating a WBS is to break the overall task into manageable pieces. An example WBS for military UAV projects is given in Figure 8.5. These are often broken

Typical military UAV work-breakdown structure interface definitions, from MIL-HDBK-881C for UAVs

Figure 8.5 Typical military UAV work-breakdown structure interface definitions, from MIL-HDBK-881C for UAVs.

down in one of three ways: by “object,” or by “system,” or by task or deliverable. An object breakdown, for example, might break the airframe into “front fuselage,” “center fuselage,” and “rear fuselage.” In other words, it breaks a physical artifact into logical regional “chunks.” A “systems” breakdown might include “electrical power” that might not be restricted to a particular region. A good WBS includes not only the artifact being designed but the contextual deliverables as shown in Figure 8.5. A WBS element that is very relevant to student UAV projects is “test and evaluation,” which is also shown in Figure 8.5. Even a student UAV team needs to think about how the subsystems and overall system will be tested.

 
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