A Two-Phase Approach for Reliability-Redundancy Optimization of a Communication Satellite

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dc.authoridDaş, Gülesim Sena/0000-0002-7865-3162
dc.authoridBirgören, Burak/0000-0001-9045-6092
dc.contributor.authorTetik, Taha
dc.contributor.authorDaş, Gülesim Sena
dc.contributor.authorBirgören, Burak
dc.date.accessioned2025-01-21T16:35:26Z
dc.date.available2025-01-21T16:35:26Z
dc.date.issued2024
dc.departmentKırıkkale Üniversitesi
dc.description.abstractThe development and launch of communication satellite projects pose significant challenges and costs. The expenses can range from several hundred million dollars, contingent on factors such as mission objectives, satellite system size and complexity including the launch vehicle, and ground infrastructure. Satellites must be designed to withstand harsh conditions in space, such as the extreme temperatures, radiation, and other hazards, while delivering reliable communication services to its users. However, once a satellite is launched, physical maintenance interventions become infeasible in the event of technical problems. Thus, reliability is a critical aspect for these expensive systems. This study aims to minimize the cost of a high-tech communication satellite by addressing design considerations that meet customer reliability requirements without exceeding power and redundant equipment limits. To achieve this goal, we propose an integer non -linear programming model in this research. To solve the satellite design problem, we adopt a two-stage solution approach. Conventional industrial practices in satellite design often involve iterative attempts to determine the redundancy level of onboard units based on customer reliability requirements. These processes rely heavily on the experience of design engineers who evaluate a limited number of alternatives to determine the number of redundant units, resulting in sub -optimal outcomes. In contrast, our proposed approach systematically handles the problem and yields optimal results. Our findings demonstrate that the proposed two-phase approach can achieve optimal redundancy levels within seconds.
dc.identifier.doi10.35378/gujs.1186561
dc.identifier.endpage324
dc.identifier.issn2147-1762
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85183318874
dc.identifier.scopusqualityQ2
dc.identifier.startpage310
dc.identifier.urihttps://doi.org/10.35378/gujs.1186561
dc.identifier.urihttps://hdl.handle.net/20.500.12587/24124
dc.identifier.volume37
dc.identifier.wosWOS:001176133100001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherGazi Univ
dc.relation.ispartofGazi University Journal of Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241229
dc.subjectCommunication satellite; Reliability optimization; Redundancy allocation; Non-linear programming; Integer programming
dc.titleA Two-Phase Approach for Reliability-Redundancy Optimization of a Communication Satellite
dc.typeArticle

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