本文报告了一种采用直接转矩控制技术的离心机专用变频器的研究工作。
Research of dedicated converter based on DTC for the centrifuge is introduced in this paper.
在永磁同步电机交流伺服系统中，采用直接转矩控制及模糊自适应PI控制构成位置伺服控制器。
For AC servo system of permanent magnet synchronous motor (PMSM), the position servo controller was constructed with direct torque control and self-adjusting PI control based on Fuzzy inferences.
表明采用HVIGBT对感应电机传动的矢量控制或直接转矩控制策略具有良好的应用前景。
The application of HV-IGBT shows good applied prospects for the strategy of vector control or direct torque control of induction motor.
它采用空间矢量的分析方法，采用定子磁场定向，直接对电动机的电磁转矩和定子磁链进行控制。
It directly controls the electromagnetic torque and stator flux, using the analyzing method of space vector and stator flux orientation.
目前，在直接转矩控制中大多采用电压模型来估算定子磁链。
At present, the flux estimation based on voltage model is widely used in direct torque control system.
根据异步电动机直接转矩控制原理，提出了采用人工神经元网络速度辨识方法去实现无速度传感器的交流调速控制系统。
Based on the principle of the direct torque control, the novel identification method of induction motor speed using neural network in a speed-less sensor AC drive system was presented.
研究采用高频注入法的无传感器直接转矩控制系统，通过注入特定的高频信号来追踪电机转子的空间凸极效应，以此得到转子位置和速度值。
In the sensorless control system, a specified high frequency signal is injected in to trace the magnetic anisotropy of the motor, by which we can get the value of rotor speed and position.
电动汽车直接转矩模糊控制系统中，定子磁链观测器采用电压模型时，系统低速性能变差。
In a direct torque fuzzy control system of electric vehicle, when the voltage model is used as stator flux observer, the system's low speed performance becomes poor.
提出一种采用控制简单的谐振极零电压过渡(RPZVT)软开关逆变器的异步电机直接转矩控制新方案。
A scheme of direct torque-control system of asynchronous machine with a simple Resonance Pole Zero Voltage Transfer (RPZVT) inverter is proposed.
在传统的直接转矩系统的基础上，磁链和转矩的调节均采用模糊控制策略，且模糊控制规则解析生成。
Based on the conventional direct torque control system, the adjusting of magnetic linkage and torque both adopt fuzzy control strategy and fuzzy control rule is generated in an analytic way.
采用离散占空比控制技术的直接转矩控制能够在减小输出转矩脉动的同时保持算法简单的特性。
Applying discrete duty ratio control technology into direct torque control can reduce the ripple, and keep the feature of simplicity.
介绍了一种采用矢量细分和SVPWM调制的直接转矩控制方法，实现对电机转矩的控制。
A novel direct torque control method based on vectors subdivision and SVPWM is presented in this paper.
磁链轨迹控制PWM是直接转矩控制的基础，也是现代变频器普遍采用的控制方法。
For the flux trajectory PWM control is the basis of direct self-control, it is also a common controlling means used by modern transducer.
文章介绍了一种矿用蓄电池电机车的交流变频调速传动系统，采用无速度传感器的直接转矩控制策略。
The paper introduced the AC frequency converted speed controlled driving system of the mine battery locomotive. The driving system has a direct torque control strategy with a non speed sensor.
MGTY-300/710电牵引采煤机采用了变频调速与直接转矩控制技术，是一种新型的电牵引采煤机。
MGTY-300/710 D. C. electricity-powered shearer is a new type shearer, which a frequency converter and direct torque control are employed.
传统的直接转矩控制采用六边形磁链控制或六区间的圆形磁链控制，造成转矩脉动大，而且当考虑定子电阻压降的影响时，其区间选择存在缺陷。
Traditional DTC uses hexagon flux control or six-section circle-flux. When the voltage of stator resistance is considered, its section choice has defect.
针对异步电动机直接转矩控制系统，基于三相异步电机方程提出一种新型的采用人工神经网络辨识电机转速的方法。
The paper presents a novel speed identification scheme based on the BP Neural Network for the DTC motor drive system.
仿真结果表明，采用低通滤波器补偿法， 直接转矩控制系统的低速性能有十分明显的提高，证实了该方法的有效性。
The simulation results showed that the performances have been improved by the compensation method based on low-pass filter in low speed in DTC system, confirming the validity of the method.
基于全阶观测器，采用李亚普诺夫稳定性理论对电机转速进行在线辨识，实现了异步电机无速度传感器直接转矩控制系统。
Motor speed was estimated on line base on Lyapunov's stability theory, and in this the speed sensorless direct torque control emulation system was designed.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
So this paper focuses on the study of direct torque control of induction motor based on diode-clamped three-level inverter.
表明采用HVIGBT对感应电机传动的矢量控制或直接转矩控制策略具有良好的应用前景。
The application of HV-IGBT shows good applied prospects for the strategy of vector control ord...
传统直接转矩控制技术采用的六边形磁链电压矢量调制方法，这会引起较大的转矩脉动和谐波干扰。
Classical direct torque control method adopts the technique of 6 polygon flux linkage voltage modulation. It will generate torque pulsation and harmonic interference.
针对直接转矩控制低速时转矩脉动大的问题，采用基于模糊网络与PI控制结合的转矩角调节器来改进控制效果。
Due to the large torque ripple of direct torque control in low speed range, a torque Angle adjustor based on fuzzy neural network and PI control was adopted to improve the control effect.
给出了模糊直接转矩控制仿真模型，仿真和实验表明，采用模糊控制器后控制性能得到了较好的提高。
D. T. c. Results of simulation and experiment indicate that better system performance could be derived from introduction of fuzzy controller under the same condition with the tr...
给出了模糊直接转矩控制仿真模型，仿真和实验表明，采用模糊控制器后控制性能得到了较好的提高。
D. T. c. Results of simulation and experiment indicate that better system performance could be derived from introduction of fuzzy controller under the same condition with the tr...
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