因此无传感器的SRD也是未来的发展趋势之一。
本文介绍了一种基于同步电机无传感器的大功率电动汽车控制器的设计方案。
This paper introduced a kind of sensorless electric car controller design scheme based on PMSM.
介绍一种无速度传感器异步电动机拖动系统的再起动方法。
This paper proposes a restart method for an asynchronous motor drive system without speed sensor.
无刷直流(BLDC)伺服控制,可选的3相换轨取代传统的霍尔效应传感器。
For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.
文章分析了交流感应电机无速度传感器的高动态性能控制方案的控制要点。
This paper analyzes theoretical points of the implementation for high performance control of induction motor without speed sensor.
从发电机转速、功率和直流母线电压之间的相互关系出发,提出利用直流母线电压进行转速观测实现无速度传感器。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
文中比较了现有的无位置传感器电机转子位置的估计方法及启动方法,并分析了其优缺点。
This paper compares existing methods of rotor position estimation and stating methods from standstill, and analysis their advantages and disadvantages.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识,并将其应用于异步机的无速度传感器直接转矩控制中。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
在直接转矩控制理论基础上,推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
在启动时,没有反电动势,在无传感器模式下电机的位置不能检测到。
At startup, there is no back-EMF due to the stationary motor, and the motor position cannot be detected in sensorless mode.
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.
研究了转子位移无传感器检测的两种方法,即小信号注入测试法和差动变压器测试法。
Two methods, which are called as a small test-signal injection and the differential transformer, are studied in order to detect the rotor displacement without sensor.
通过李亚普诺夫稳定性理论,推导出一种无速度传感器控制的速度自适应辨识算法。
The adaptive speed recognition algorithm without speed sensor control was deduced by applying the lyapunov stability theory.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
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。
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.
对无传感器无刷直流电机的驱动系统进行了研究,详细论述了开关电容低通滤波器的设计方法。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
混合式步进电动机伺服系统转子的位置检测,可以用传统的外配位置传感器或基于理论算法的无位置传感器方案,但是存在许多问题。
Position detection of rotor in hybrid stepping motor servo system can use traditional outside position sensor or sensorless scheme based on theoretical algorism, but there are many problems produced.
ML4428就是一种无位置传感器的无刷直流电动机控制器,是目前较先进的,集成度高的控制器,文中作了较详细的介绍。
ML4428 is a typical permanent magnet BLDCM controller without position sensor; it is an advanced high integrated controller, which was described in detail in this paper.
针对光波导电场传感器无源工作的特点,分析了电场传感器工作点对传感灵敏度、线性动态范围的影响。
For passive working electric field sensors, the effects of bias point on the performances including sensitivity and linear dynamic range are analyzed.
速度辨识是无速度传感器直接转矩控制的核心问题。
The speed estimation is core question of the speed sensorless direct torque control system.
举例说明日本电动车组交流传动无速度传感器矢量控制的优点、控制原理、在应用中需要解决的问题。
This paper illustrates the advantages and principle of vector control without speed sensor for Japanese EMU's AC drive, and the problems to be resolved in its application.
并介绍了一种由80c 196实现的无速度传感器矢量控制系统的工作原理及实现方法。
The working principle and implementation method for rector control system of non-speed sensor with 80c196 are introduced.
采用随机存储器(RAM)寄存刀具编号,实现无刀具编码传感器的加工中心随机换刀控制,是国外近代出现的新技术,并已推广应用。
The random tool change can be controlled with RAM registering tool, Numbers instead of tool encoder. The method is presented in recent years and popularized in application at abroad.
文章就无位置传感器无刷直流电机的起动、正常工作、过载等状态下如何保持电机稳定运行进行了分析。
The research of keeping the steady operation of motors under various states of start, normal operation, over load for positionless sensor brushless DC motor is analyzed here.
介绍了无刷直流电机无位置传感器转子位置检测的一种新方法。
Describes a novel method of detecting for rotor flux position of the brushless DC motor (BLDCM).
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.
文章提出了一种基于软计算的感应电机无速度传感器控制方案,用以提高无速度传感器控制的低速性能。
A new scheme of sensorless control of an induction motor is proposed in which soft-computing methodologies are used in the paper.
如何提高定子电阻的观测精度是改善无速度传感器直接转矩控制系统低速特性的关键。
How to enhance resistance detector precision is the key to improve the low-speed performance of DTC system.
如何提高定子电阻的观测精度是改善无速度传感器直接转矩控制系统低速特性的关键。
How to enhance resistance detector precision is the key to improve the low-speed performance of DTC system.
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