However, to achieve this ideal, fundamental engineering research is necessary.Īfter introducing the relationship between RLVs and HM, this publication concentrates on answering the following questions:
Only by means of this process, it is possible to achieve functional reliability and cost reduction without having to carry out renewed validation tests for each launch. From the data provided by sensors, the reusability of individual components has to be predicted for the next launch. This is associated with new challenges in the field of HM. Among them, piezoelectric units, fiber optics, imaging units, and conductive layers can be identified for enhancing the comprehension of the system working conditions.Ĭonsiderable efforts are currently being taken worldwide to increase the number of actually reusable subsystems of RLVs. The latter is to discuss the sensing units useful for addressing the defined points, describing the possible innovative approaches for sensing the system conditions. The former is to identify the most critical points for the development of reusable rockets, focusing on theoretical working conditions and analysis or failures. Therefore, the goal of this work is divided in two parts. The innovative concept of reusable rockets requires, from the point of view of HM implementation, not only the evaluation of the vehicle health status but also the prediction of the reusability of the individual subsystems w.r.t. As a result, Health Monitoring (HM) is conquered its own space in the field and sensors are the primary elements required for implementing a monitoring unit. Meanwhile, Reusable Launch Vehicles (RLVs) moved their steps from demonstrators to commercial working systems.
With regard to the space field, the number of the sensors has grown for a middle-sized spacecraft from more than 500 at the beginning of the twenty-first century to several thousands for nowadays applications.
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