Some mainly hardware units of direct torque control system has been built.
对控制系统中硬件平台进行了搭建。
The closed-loop of speed is essential in the high-performance direct torque control system.
在高性能的直接转矩控制系统中，速度闭环是必不可少的。
The speed estimation is core question of the speed sensorless direct torque control system.
速度辨识是无速度传感器直接转矩控制的核心问题。
At present, the flux estimation based on voltage model is widely used in direct torque control system.
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。
This paper presents an adaptive PD type fuzzy logic speed controller, which is applied to fuzzy direct torque control system.
本文设计了一种自适应模糊pd型速度调节器，应用于模糊直接转矩控制系统。
A new design method of state selector in asynchronous machines direct torque control system-neural networks design method is introduced.
介绍了异步电动机直接转矩控制系统中状态选择器的一种新型设计方法—神经网络设计方法。
This paper gives a design of sensor-less direct torque control system based on DSP (TMS320LF2407A). The hardware and software schemes are introduced.
提出了一种基于DSP（TMS320LF2407A）无速度传感器直接转矩控制系统，给出了硬件设计和软件设计方案。
Therefore, research and development of high-performance direct torque control system of electrically excited synchronous motor is of great economic value.
因此研究和开发高性能的电励磁同步电动机直接转矩控制系统具有重大的经济价值。
The traditional direct torque control system has existed large torque fluctuation, poor performance of low speed region, inconstant switch frequency, etc.
传统的直接转矩控制存在着转矩脉动大，低速性能差、开关频率不固定等问题。
The stator resistance of asynchronism electromotor in direct torque control system, is a variable value which influence the low speed performance of the system.
在直接转矩控制系统中，异步电动机定子电阻为一变化值，从而影响了控制系统的低速性能。
A basic control method for direct torque control system is introduced, the theory gist of this method is proved. A new method of dead time compensation is also put forward.
介绍了一种直接转矩控制系统的基本控制方法，推导了这种控制方法的理论依据，同时提出了死区补偿的新方法。
This paper analogy the selection of voltage space vector and the flux linkage estimate model of the direct torque control system of PMSM, and the realizing project of the system.
文章分析了永磁同步电机直接转矩控制系统的电压空间矢量选择和磁链估计模型，并提出了系统的实现方案。
This paper presents a model of speed estimation for the direct torque control system. This model which has high response performance is based on the analysis of the theory of DTC.
本文在分析感应电动机直接转矩控制理论的基础上，推导出电机瞬时转速的估算模型，该估算模型具有快速跟踪真实值的优点。
The results show that the direct torque control system is simple in structure, superior in performance and insensitive to electric motor parameters, and is a promising control strategy.
研究结果表明：直接转矩控制系统结构简单，调速性能优越，对电机参数不敏感，很有发展前途。
A direct torque control system of fully digitized vehicle used asynchronous motor based on DSP TMS320LF2407A is given out, while introducing this system's hardware and software structures.
给出了一种基于数字信号处理器TMS320 LF 2407a的全数字化车用异步电机直接转矩控制系统，并介绍了该控制系统的硬件和软件结构。
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.
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 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.
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 controller's core TMS320F2812, the speed sensor-less direct torque control emulation system has been designed.
以TMS320F 2812为核心构成控制器，实现异步电机无速度传感器直接转矩控制系统。
On the basis of the scheme, a stator flux estimate technique based on stator resistance compensation is also presented, and the simulation system of the direct torque control project is established.
在此基础上，提出定子电阻整定的定子磁链估计方法，并建立一个定子磁场定向直接转矩控制的仿真系统。
This paper proposes an improved direct torque control (DTC) method for induction motor system applications.
该文提出了一种改进的直接转矩控制方案并应用于异步电机控制系统中。
The application of ABB ACS800 direct torque control (DTC) frequency-variable speed control system in the reducer loading test was presented.
介绍应用abb公司的ACS800直接转矩控制(DTC)变频调速控制系统具体实现减速机性能的测试。
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.
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。
A speed sensorless direct torque control (DTC) system that USES TMS320LF2407A DSP as its core is designed in this paper.
本文实现了以TMS320 LF 2407ADSP为控制核心的无速度传感器直接转矩控制系统。
This paper presents a kind of direct torque control with a stator resistance estimator for an AC motor speed-governing system based on fuzzy logic control.
介绍一种基于模糊控制理论的定子电阻辨识器的直接转矩控制交流电机调速系统。
This paper applied direct torque control (DTC) tactics base on DSP to permanent magnet synchronous linear motor, gived the hardware structure and the software diagram of the system.
文中研究了一种基于DSP的永磁同步直线电机直接推力控制策略，并给出了该系统的硬件结构和程序流程图。
The direct torque control for permanent magnet synchronous motor is affected by the variation of stator resistance, and consequently the accuracy of speed adjusting system.
永磁同步电机直接转矩控制受定子电阻变化影响，进而影响调速系统的精度。
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.
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.
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。
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