An overview of a sounding rocket, S-520-25th, project on space tether technology experiment is presented. The project is prepared by an international research group consisting of Japanese, European, American, and Australian researchers. The sounding rocket will be assembled by the ISAS/JAXA and will be launched in the summer of 2009. The sounding rocket mission includes two engineering experiments and two scientific experiments. These experiments consist of the deployment of bare electrodynamic tape tether in space, a quick ignition test of hollow cathode system in space, the demonstration of bare electrodynamic tether system in space, and the test of the OML (orbital-motion-limit) current collection theory.
is studied numerically and experi 皿 en 紐 ly on vibration of large fieXible solar panel fbr a tethered space solar power satellite by employing tension of tether . The test beds are designed to model 丘ee −free beam sys 匸em which h 肥 very Iow 丘equency modes of vibratiGns in its strucmre 、 The method is employed to s 夏 rnulate the micr (ygrav 玉 ty behavior of the large flexible space structUre . The mc 重 hod is to usc floating elements to emp [ oy through air bearing over a flat horizonta 正tab且 e . In the method , many flQating e 艮 ements are jGinted by a 且e ) dble beam . ( Flexiblespace strucmre mock device ) , The vibraIion Qontrol experiment ofthe panel by the Tether Ienslon was done by using a fiexible space structure mock devicc and the minute tension aCtuator . Tethor is a就 ached at 血 e end of the corners of the fl 夛xlble space structure mock devicc and the tension oftether is control 星 ¢ d by the misslon −fUnction algor 正 tirm by fbeding back the defiectien
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