Crews are troubleshooting problems with a battery, Nasa says, after an earlier communications issue with an onboard safety ...
Four astronauts are set to travel further from Earth than anyone before when they blast off from Florida on an historic 10-day mission.
Abstract: Aiming at the problem that the brushless DC motor will produce large torque ripple during commutation, a torque ripple suppression strategy based on finite set model predictive control ...
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