![]() Therefore, designer experience is critical for these parameters. They vary significantly with temperature, fluid type, the quantity of contained air, and the possibility of having mixed fluids. The fluid properties affect the power losses and damping and are obtained from internal standards (Bombardier’s specification BAMS 564-003), industry standards, 28, 29 fluid manufacturer technical data, 30– 33 and designer experience. This methodology applies to future aircraft design challenges, and the technical insight provides valuable lessons learned for high-performance T-tail business jets.Īs for the design parameters, the uncertainties are selected for their significant impact on performance. In this way, it directly contributed to the successful development of the Global 7500 and its optimal operational performance. Thus, the methodology resolved a design challenge blocking the Global 7500 aircraft development and prevented redesign occurrences later during the detailed design phase. These findings lead to an optimal elevator actuator design compliant with matured performance requirements. It also indicated that the first sizing driver is the response time required under a specific failure case. The redefined methodology identified directly that the problem’s root cause was a conflict between stability and control and flutter protection requirements. It also secures the preliminary design phase by implementing advanced design uncertainties and involving interfacing systems and disciplines early in the process. ![]() ![]() Then, a simulation-based preliminary sizing and performance assessment validates the candidate design concept. In this way, it provides means to mature the system requirements and addresses requirement conflicts upfront. To this end, it introduces a novel modeling approach for analyzing loaded rate requirements by simulating closed-loop performance with a generic nonlinear second-order state filter, including the main performance limitations without requiring a preliminary design definition. The methodology presented here redefines the aircraft manufacturer’s involvement in the design process of the systems, implementing analysis and iteration capabilities early in system development. The case study of the Global 7500 elevator actuation system also provides in-depth insight into the complex design process of today’s fly-by-wire flight control systems. This article introduces an original model-based design methodology addressing a high-performance aircraft design challenge: conflicting performance requirements. All subjects Allied Health Cardiology & Cardiovascular Medicine Dentistry Emergency Medicine & Critical Care Endocrinology & Metabolism Environmental Science General Medicine Geriatrics Infectious Diseases Medico-legal Neurology Nursing Nutrition Obstetrics & Gynecology Oncology Orthopaedics & Sports Medicine Otolaryngology Palliative Medicine & Chronic Care Pediatrics Pharmacology & Toxicology Psychiatry & Psychology Public Health Pulmonary & Respiratory Medicine Radiology Research Methods & Evaluation Rheumatology Surgery Tropical Medicine Veterinary Medicine Cell Biology Clinical Biochemistry Environmental Science Life Sciences Neuroscience Pharmacology & Toxicology Biomedical Engineering Engineering & Computing Environmental Engineering Materials Science Anthropology & Archaeology Communication & Media Studies Criminology & Criminal Justice Cultural Studies Economics & Development Education Environmental Studies Ethnic Studies Family Studies Gender Studies Geography Gerontology & Aging Group Studies History Information Science Interpersonal Violence Language & Linguistics Law Management & Organization Studies Marketing & Hospitality Music Peace Studies & Conflict Resolution Philosophy Politics & International Relations Psychoanalysis Psychology & Counseling Public Administration Regional Studies Religion Research Methods & Evaluation Science & Society Studies Social Work & Social Policy Sociology Special Education Urban Studies & Planning BROWSE JOURNALS
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