電気学会論文誌D(産業応用部門誌)
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
論文
同期モータセンサレス駆動のためのD因子外乱オブザーバの存在
—ゼロ位相遅れの新位相推定法—
新中 新二
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ジャーナル フリー

2006 年 126 巻 9 号 p. 1220-1226

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This paper proposes two new “disturbance-observers in the D-module" for sensorless drive of synchronous motors including permanent-magnet synchronous motors and synchronous reluctance motors. The disturbance filter for the observers can estimate speed-varying rotor-phase (in other words, rotor-position) with zero phase-lag. It is constructed by means of “the filter in the D-module", which has the following desired characteristics for variable sensorless drive: 1) it makes distinction between positive and negative frequencies of two-phase signals; 2) it can allow to process the signals based on frequency polarities; 3) it can also change dynamically its center frequency of band-pass filtering according to rotor speed estimates; 4) its passband and transition can be designed independently; and 5) it can be easily realized. The new disturbance-observers also have a generality such that they contain the recently proposed disturbance-observer as a special case.

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© 電気学会 2006
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