Abstract: In spacecraft attitude control, the torque ripple generated by the reaction flywheel can significantly reduce the attitude control accuracy and even affect the attitude stability. This paper ...

Abstract: A flywheel and lithium-ion battery's complementary power and energy characteristics offer grid services with an enhanced power response, energy capacity, and cycling capability with a ...

Several components mediate between the output produced by your car's engine and the power that ultimately gets to the driven wheels. In a manual car, the power transfer process is helped by a clutch, ...

Besides the near-constant rain we’ve had so far, the weather has been relatively mild this year. That doesn’t mean you should mow your lawn yet, though – and I know many of us are tempted. My lawn is ...