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The prediction of reliability for rubber O-rings used in the rockets is of great significance for the life assessment of the rockets. In this paper, rubber O-rings were aged under accelerated conditions at temperatures ranging from 60°C to 80°C. And a new model based on Wiener process with a time scale transformation was presented to describe the degradation of CS (compression set) which is the characteristic...
Growing number of important application areas, including automotive and industrial applications as well as space, avionics, combustion engine, intelligent propulsion systems, and geo-thermal exploration require electronics that can work reliable at extreme conditions — in particular at a temperature > 250°C and at high radiation (1–30 Mrad), where conventional electronics fail to work reliably...
For investigation of coil currents, torque and speed pulsation at coil short-circuit faults, an "independent coil" model is set up and presented. The model is based on the calculation of the self and mutual inductances and is implemented in MATLAB/SIMULINK (Matrix operation). Both distributed and concentrated windings are simulated at short circuit faults of different coils. For an x-by-wire...
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