这个驱动器是 AB 电动技术的代表产品，它是一个定向控制可以分别控制速度和扭矩。
The drive features AB's Force Technology, a field-oriented control that permits independent control of speed and torque.
采用定向控制爆破方法拆除两座大门楼。
Two big gate constructions were demolished by use of directional controlled blasting.
在低速时，定子电阻对定子磁场定向控制影响较大。
In low speed, stator resistance directly affects the performance of stator flux oriented control system.
电流控制是异步电机磁场定向控制的核心问题之一。
The current control is one of the kernel problems of induction motor field oriented control (FOC).
本研究使用了一个定向控制的类似实验的设计来进行。
The study employed a quasi-experimental design of a non-random posttest control group;
在闹市区，运用定向控制爆破技术拆除了框架结构的图书馆。
Recommend use orientation is it blow up technology remove frame structure conceptual design of library and blow up parameter confirm in downtown to control.
基于转子磁场定向控制的系统实验结果验证了该方案的正确性。
Experimental results based on rotor field-oriented control are given to verify the proposed scheme.
电流模型是转子磁链定向控制的关键，这里对其进行了离散化分析。
Current model is the key part in the rotor flux linkage oriented control system, and its discretization analysis is conducted.
转子磁场定向控制是实现高性能交流调速方法——矢量控制的基础。
Rotor field orientation control is the base of high-performance control strategy of AC motor vector control.
异步电机转子磁场定向控制依赖于电机转子角速度的反馈和位置测量。
The rotor flux orientation method of induction motors is based on the feedback of rotor speed and position.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.
磁场定向控制是控制由变频器供电的异步电机暂态电磁转矩的有效手段。
The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
A control system of bearing less induction motor based on torque winding air gap field oriented vector control is accomplished.
考虑铁损对于提高异步电动机磁场定向控制下的转矩性能具有重要的作用。
Taking core loss into account has important effect to improve the torque performance of the motors' field oriented control.
在磁场定向控制的异步电机驱动系统中，精确的磁链估计是提高系统性能的关键。
In an induction motor drive system with field oriented control, the key to improve its performances is accurate flux estimate.
建立包含电机动态边端效应的同步坐标模型，实现直线感应电机间接磁场定向控制。
Motor model under synchronous coordination is established and indirect field oriented control is implemented in the paper.
介绍了用于异步电动机无速度传感器的磁场定向控制的一种自适应滑动模式观测器。
This paper presents an adaptive sliding-mode observer for speed-sensorless field-oriented control of induction motors.
再次，在硬件的基础上，软件采用模块化编程，实现了转速和电流双闭环磁场定向控制。
Again, on the foundation of hardware, the software used modular programming to achieve the speed and current double closed loop field oriented control.
在数字信号处理器系统演示的速度估计的稳健性参数变化的转子磁场定向控制计划的实施。
A rotor flux oriented control scheme is implemented in a digital signal processor system to demonstrate the robustness of the speed estimation to parameter variations.
将该方法和著名的直接磁场定向控制(FOC)和定子磁通矢量控制(SFVC)进行比较。
This method is compared to the well-known direct field-oriented control (FOC) and stator flux vector control (SFVC) methods.
在此基础上提出一种基于双同步坐标模型的转子磁场定向控制策略，实现了电机的动态转矩控制。
On the base of that the paper proposes a rotor flux oriented control strategy according to the dual-synchronous coordinate model, which can realizes the dynamic torque control.
定性地分析了在异步电动机间接磁场定向控制中，电机时间常数失配度对异步电动机稳定性的影响。
The influence of the motor time constant mismatch on the stability of induction motors under indirect field-oriented control is analyzed.
采用定向控制爆破，选用合理爆破参数、炮眼排列、导向装置，准确地按设计方向，安全地拆除了砖质烟囱。
In the oriented blasting, proper demolition parameters, boring pattern and orienting devices are chosen in order to demolish a brick chimney safely and exactly according to the designed direction.
当电机转速的估计值收敛于转速的真实值时，观测的转子磁链也收敛于其真实值，可将其用于直接磁场定向控制中。
When the estimated speed converges to the actual rotor speed, the rotor flux observed converges to its true value, which can be used in direct field orientation control (DFOC).
根据异步电机转子磁场定向控制的基本方程序，对直接磁场定向矢量控制系统，设计了结合电压模型和电流模型优点的磁通观测器模型。
According to the fundamental equations induction motor for the field oriented control, a new rotor flux model combine with the merits of voltage model and current model is presented.
首先对磁场定向控制理论进行了详细分析，比较后采用间接磁场定向的控制方法，并建立基于同步电流内环、转速外环的双闭环控制结构。
Finally, the indirect vector control system is made as the research target and double close loop control systems which contain synchronous current inside loop and speed outside loop are introduced.
首先对磁场定向控制理论进行了详细分析，比较后采用间接磁场定向的控制方法，并建立基于同步电流内环、转速外环的双闭环控制结构。
Finally, the indirect vector control system is made as the research target and double close loop control systems which contain synchronous current inside loop and speed outside loop are introduced.
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