Apply the theory of variable structure system to design an excitation controller.
根据变结构控制理论设计了励磁系统控制器。
The vector magnetic potential is regarded as a variable to gain the two-dimension solution of excitation magnetic field and armature response magnetic field.
并以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。
Variable color luminescence in ionized gases can be obtained by controlling the electron energy to produce selective excitation in a suitable variable color luminescence medium.
在合适的变色发光介质中，通过控制电子能量产生选择性激发能获得电离气体变色发光。
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