Autonomous airships have gained a high degree of importance over the last decades, both
theoretically as well and practically. This is due to their long endurance capability needed
for monitoring, observation and communication missions. In this paper, a Multi-Objective
Optimization approach (MOO) is followed for conceptual design of an airship taking aerody-
namic drag, static stability, performance as well as the production cost that is proportional
to the helium mass and the hull surface area, into account. Optimal interaction of the afo-
rementioned disciplinary objectives is desirable and focused through the MOO analysis.
Standard airship configurations are categorized into three major components that include
the main body (hull), stabilizers (elevators and rudders) and gondola. Naturally, component
sizing and positioning play an important role in the overall static stability and performance
characteristics of the airship. The most important consequence of MOO analysis is that the
resulting design not only meets the mission requirement, but will also be volumetrically
optimal while having a desirable static and performance characteristics. The results of this
paper are partly validated in the design and construction of a domestic unmanned airship
indicating a good potential for the proposed approach.
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