Aerotecnica Missili & Spazio
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A global exploration method to identify families of cycling Earth–Mars trajectories
Aerotecnica Missili & Spazio - Tập 99 Số 3 - Trang 187-194 - 2020
Discrete-Variable-Thrust Guidance for Orbital Rendezvous Based on Feedback Linearization
Aerotecnica Missili & Spazio - Tập 101 - Trang 351-360 - 2022
This research is focused on the analysis, design, and numerical testing of a feedback guidance algorithm for autonomous (unmanned) close-range maneuvering of a chaser spacecraft, in the context of orbital rendezvous with a target vehicle. The relative dynamics of the two vehicles, placed in nearby low Earth orbits, is modeled using the nonlinear Battin–Giorgi equations of relative motion, with the......
Gain Selection for Attitude Stabilization of Earth-Pointing Spacecraft Using MagnetorquersAbstract This paper considers a feedback control law that achieves attitude stabilization for Earth-pointing spacecraft using only magnetorquers as torque actuators. The control law is proportional derivative (PD)-like with matrix gains, and it guarantees asymptotic stability. The PD matrix gains are determined through the numerical solution of a periodic linear qua... ...
Aerotecnica Missili & Spazio - Tập 100 Số 1 - Trang 15-24 - 2021
The Nutriss Study: A New Approach to Calibrate Diet and Exercise in Long-Term Space Missions to Maintain Body Fat, Muscle and Fluid Homeostasis
Aerotecnica Missili & Spazio - Tập 99 - Trang 121-125 - 2020
Energy balance maintenance is crucial to preserve astronaut’s wellness and quality of life during long-duration spaceflight and nutritional intervention can effectively counteract the detrimental effect of microgravity on skeletal muscle mass and metabolism. NutrISS (Nutrition monitoring for the International Space Station) is an Italian Space Agency (ASI) biomedical experiment investigating the c......
ADCS Design for a Sounding Rocket with Thrust VectoringAbstract This paper addresses the development of an attitude determination and control system (ADCS) for a sounding rocket using thrust vector control (TVC). To design the ADCS, a non-linear 6 degrees-of-freedom (DoF) model for the rocket dynamics and kinematics is deduced and implemented in simulation environment. An optimal attitude controller is designed using th... ...
Aerotecnica Missili & Spazio - Tập 102 Số 3 - Trang 257-270 - 2023
An Experimental and Numerical Study of the Aerodynamic Interaction Between Tandem Overlapping Propellers
Aerotecnica Missili & Spazio - Tập 102 - Trang 77-89 - 2022
The latest trends of Urban Air Mobility pushed the aeronautical industrial sector towards the eVTOL concept, i.e. electrical vertical take-off and landing. Electrical power, tilt-wing configuration and multiple propellers in tandem configuration, i.e. with the propellers placed one after the other, are the key features of such concept. In particular, the presence of multiple propellers working at ......
Space Environment Effect on Polymeric Nano-Composite Materials
Aerotecnica Missili & Spazio - Tập 100 - Trang 25-32 - 2021
Several kinds of polymeric nano-composites were fabricated by including different typologies of nano-size fillers into a commercial epoxy matrix. The employed additives are: multi-walled carbon nanotubes (MWCNTs), alumina (AL2O3) nanoparticles, and three types of graphene platelets (G-CD270, G-33C and G-24N). The effect of the exposition to low earth orbit (LEO) space threats on the candidate nano......
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