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8 August 2016 End-to-end modeling: a new modular and flexible approach
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In this paper we present an innovative philosophy to develop the End-to-End model for astronomical observation projects, i.e. the architecture which allows physical modeling of the whole system from the light source to the reduced data. This alternative philosophy foresees the development of the physical model of the different modules, which compose the entire End-to-End system, directly during the project design phase. This approach is strongly characterized by modularity and flexibility; these aspects will be of relevant importance in the next generation astronomical observation projects like E-ELT (European Extremely Large Telescope) because of the high complexity and long-time design and development. With this approach it will be possible to keep the whole system and its different modules efficiently under control during every project phase and to exploit a reliable tool at a system engineering level to evaluate the effects on the final performance both of the main parameters and of different instrument architectures and technologies. This philosophy will be important to allow scientific community to perform in advance simulations and tests on the scientific drivers. This will translate in a continuous feedback to the (system) design process with a resulting improvement in the effectively achievable scientific goals and consistent tool for efficiently planning observation proposals and programs. We present the application case for this End-to-End modeling technique, which is the high resolution spectrograph at the E-ELT (E-ELT HIRES). In particular we present the definition of the system modular architecture, describing the interface parameters of the modules.
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M. Genoni, M. Riva, M. Landoni, and G. Pariani "End-to-end modeling: a new modular and flexible approach", Proc. SPIE 9911, Modeling, Systems Engineering, and Project Management for Astronomy VII, 99112G (8 August 2016);

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