@article{oai:kutarr.kochi-tech.ac.jp:00000135,
 author = {孫, 鳳 and 岡, 宏一},
 issue = {753},
 journal = {日本機械学會論文集. C編 = Transactions of the Japan Society of Mechanical Engineers. C},
 month = {May},
 note = {This paper describes a new zero power control strategy for a hanging type maglev system. In this maglev device, a permanent magnet generates the levitation force, and a Voice Coil Motor (VCM) maintains the device stably in an equilibrium-levitated position. In order to realize zero power control, a spring is installed in the maglev device so as to counterbalance the force of the actuator on the mass gravitation, and a current integral feedback loop is used in the controller so as to adjust the actuator current zero in the balance state. A prototype of the maglev system was constructed; a theoretical model was developed; a zero power controller was designed and constructed; and numerical simulations and experiments were performed. The results shown here suggest that this zero power control strategy is feasible and effective for the hanging type maglev system using a permanent magnet and VCM.},
 pages = {161--166},
 title = {永久磁石とVCMを用いた懸垂型磁気浮上機構における零パワ制御},
 volume = {75},
 year = {2009}
}