您要查找的是不是：
- back -EMF logic integral method 反电势逻辑电平积分
- The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced. 主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。
- back-EMF logic integral method 反电势逻辑电平积分
- On this base, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed. 在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法，设计了步进电动机的微机控制系统。
- The magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression ofthe harmonic back EMF is deduced. 利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。
- The modeling method for the current regulated Brushless DC(BLDC) motor is presented,which is based on the strategy of the piecewise linear curves used to generate the back EMF. 该方法在不影响稳定性的同时,使得控制系统的抗扰能力得到改善。
- This paper presents the basic principle of sensorless brushless DC motor commutated by using the zero-crossing method of back EMF, and designs the detection circuit. 摘要分析了反电势过零检测法控制无位置传感器无刷直流电机的基本原理，设计了检测电路；
- This article emphatically analyzes the basic principle of sensorless brushless DC motor commutated by using the zero-crossing method of back EMF, and designs the zero-crossing detection circuit. 摘要着重分析反电势过零检测法控制无位置传感器无刷直流电动机的基本原理；
- In this paper, the magnetic network model of hybrid step motor is eslablished according to the air gap rate permeance method, and the expression of the harmonic back EMF is deduced. 利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电动势的表达式。
- New Logic Commutation Method Based on Back EMF for Brushless DC Motor 无刷直流电动机的反电势逻辑换向
- Kinetic parameters are determined by integral method(Coats and Redfern method). 采用积分法(C-R法)获得了油页岩的燃烧动力学参数。
- The back EMF constant and torque constant are analyzed. The calculating formulas are gived. 分析了电机的反电势常数和力矩常数,并给出了计算公式;
- The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed. 分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
- In hybrid stepper motor, the back EMF of stator winding is function of rotor position, continuous rotor position is obtained from thefunction. 就混合式步进电机而言，定子绕组的反电势是转子位置的函数，从而可以解算出连续的转子位置信息。
- Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control. 方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
- Peeters and Devreese studied the properties of magnetopolaron using a Feynman's path integral method. 采用线性组合算符和幺正变换方法,分别导出强、弱耦合情形下磁极化子的激发能量和平均声子数。
- The application of the technology of back EMF induction in BLDC are analyzed by introducing the IC ML4428.The calculation formulas of some important parameters are shown behind. 通过对ML4428的介绍，分析了反电势感应技术在无刷直流电机中的应用，并给出了其中一些重要参数的计算方法
- In this paper,author uses the fuzzy integral method to choose the haulage system for mine develment. 本文应用模糊积分评判法进行矿山开拓运输系统的选择;
- The zero crossing signal of the true phase back EMF can be directly obtained from the motor terminal voltage by properly choosing the PWM and switch control strategy. 该方法不需要引出电机中性点,通过选择PWM和导通控制策略,就能直接从电机端电压获得反电势过零点信号。
- The design of VML parser adopts OOD(C++) and integration method. 设计采取了集成各种解析器的方法：SAX解析器、字符串解析器、VML C++类。
