The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.

系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。

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The paper presents the topology and control strategy of a highly fault tolerant induction motor VF speed regulation system.

本文提出一种高容错感应电机变频调速集成系统的拓扑结构和控制策略。

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In this method, the virtual fixtures(VF) is used to assist task planning at the operator′s side and the impedance control is used, which is robust against the model errors at the slave robot side.

描述了机器人辅助腹腔介入治疗中的手术规划模型和虚拟夹具（VF）方法，研究了引导型和障碍型两类虚拟夹具的空间运动约束生成方法以及基于导纳控制的综合控制策略。

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