Test results and flight experience of ball bearing momentum and reaction wheels [PDF]
The required satellite mission durations and levels of reliability have been considerably increased: While in the beginning of the 70's 3 to 5 year missions were planned, the standard is now 10 years with an expansion to 15 years and more for such ...
Auer, W.
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The design concept of the 6-degree-of-freedom hydraulic shaker at ESTEC [PDF]
The European Space Agency (ESA) has decided to extend its test facilities at the European Space and Technology Center (ESTEC) at Noordwijk, The Netherlands, by implementing a 6-degree-of-freedom hydraulic shaker. This shaker will permit vibration testing
Brinkman, P. W., Kretz, D.
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Preliminary Investigations of Joining Technologies for Attaching Refractory Metals to Ni-Based Superalloys [PDF]
In this study, a range of joining technologies has been investigated for creating attachments between refractory metal and Ni-based superalloys. Refractory materials of interest include Mo-47%Re, T-111, and Ta-10%W.
Gould, Jerry E. +2 more
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Design and application of electromechanical actuators for deep space missions [PDF]
During the period 8/16/92 through 2/15/93, work has been focused on three major topics: (1) screw modeling and testing; (2) motor selection; and (3) health monitoring and fault diagnosis. Detailed theoretical analysis has been performed to specify a full
Haskew, Tim A., Wander, John
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Influence of Microstructure and Mechanical Properties of Dissimilar Rotary Friction Welded Inconel to Stainless Steel Joints. [PDF]
Materials (Basel), 2023 Beeravolu AR +4 more
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Adaptive servo control for umbilical mating [PDF]
Robotic applications at Kennedy Space Center are unique and in many cases require the fime positioning of heavy loads in dynamic environments. Performing such operations is beyond the capabilities of an off-the-shelf industrial robot.
Zia, Omar
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The Mechanism of Deformation Compatibility of TA2/Q345 Laminated Metal in Dynamic Testing with Split-Hopkinson Pressure Bar. [PDF]
Materials (Basel), 2023 Fu Y, Chen S, Zhao P, Ye X.
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Microstructure and Mechanical Properties of IN690 Ni-Based Alloy/316LN Stainless-Steel Dissimilar Ring Joint Welded by Inertia Friction Welding. [PDF]
Materials (Basel)Tong Y +5 more
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Investigation of Electromagnetic Wave Propagation in Photonic-like Welded Materials Using the Finite Element Method. [PDF]
Materials (Basel)Basmaci AN, Filiz S.
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Symplectic physics-embedded learning via Lie groups Hamiltonian formulation for serial manipulator dynamics prediction. [PDF]
Sci RepWang F, Chen L, Ding J.
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