通过改变转子的位置计算永磁同步电动机的静态转矩和电抗，给出了转矩和电抗随转子位置变化规律的曲线。
The torque and reactance is calculated by changing the position of rotor and the changing curves of torque and reactance is also provided.
永磁电机中永磁体与有槽电枢铁心之间相互作用，产生齿槽转矩，引起电机振动和噪声。
Due to the interaction between the permanent magnet and slotted armature lamination, there exists cogging torque in slotted permanent magnet motors, which may cause noise and vibration.
本文从永磁无刷直流电动机的基本工作原理出发，分析了引起转矩脉动的原因并建立无刷直流电动机的动态数学模型。
From the basic operation principles of the permanent magnet brushless DC motor, this paper analyses the producing reasons of torque pulsation and establishes the mathematical model.
脉动转矩的准确计算是爪极永磁同步电动机优化设计的基本前提之一。
The accurate calculation of cogging torque assists in optimizing the design of claw pole permanent magnet synchronous motors.
在永磁同步电动机直接转矩控制中，定子电阻是一个需要精确给定的参数。
The stator resistance is an accurate parameter used in direct torque controlled(DTC) permanent magnet synchronous machines(PMSM).
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.
在永磁无刷直流电机中，转矩脉动是需要解决的主要问题之一。
To permanent magnetic brushless direct current motors, torque tipple is one of the major problems to be solved.
无论是在恒转矩运行区域还是在恒功率运行区域，内置式永磁同步电机的电磁参数对其控制系统的性能都会产生重要影响。
Machine magnetic parameters influence the control performance of an interior permanent magnet (PM) machine, in both the constant torque and the flux-weakening operating regions.
依据永磁无刷直流电动机的数学模型及其转矩特性，分析了转矩脉动产生的多种原因，并介绍了各种有效的控制策。
According to the mathematical model and torque characteristics of permanent magnet brushless DC motor, the reasons that give rise to torque ripple have been analyzed in this paper.
本文介绍永磁爪极步进电机的工作原理、磁路分析及转矩计算方法。
This paper introduced working principle of PM Claw-pole stepping motors, including magnetic circuits analysis and torque calculation method.
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。
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.
介绍了一种计算永磁同步电机电磁转矩的新方法，即磁通法。
This paper presents a method for calculating magnetic torque of permanent magnet synchronous machine, which is called as flus method.
抑制转矩脉动是永磁无刷电机研究重点，国内外专家学者提出了诸多解决方法。
Torque ripple suppression was the research focus of permanent magnet brushless motor, domestic and foreign experts and scholars had proposed lots of solutions for the problem.
探讨了磁极数、气隙、永磁材料、工作温度、退磁和屏蔽罩对永磁齿轮传递最大转矩的影响。
The influence on the maximum transmittable torque from the number of magnetic poles, air gap, permanent materials, operating temperature, demagnetization and magnetic masking is studied.
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 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.
通过自主开发的以数字信号处理器为核心的实验平台进行了功能验证，实现了永磁同步电机无机械冲击和最大转矩启动。
Verify the functions through the test platform developed by our team, which takes the DSP processor as the core to realize PMSM start-up at maximum torque and without mechanical impact.
并针对低速大转矩永磁同步电动机的特点采用基于ANSYS软件的分析方法，计算了不同转子位置时电机的输出转矩。
According to the feature of low-speed and high-torque permanent magnetic synchronous machine, the output torques are also calculated in different positions based on the ANSYS software.
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
高性能的数字信号处理器TMS320LF2407、高功率密度的永磁同步电机和先进的直接转矩控制技术的组合，能很好地完成对电动汽车的驱动。
The combination of advanced technology through high performance digital signal processor (DSP) TMS320LF2407 with PMSM of high power density and DTC can perform a drive for EV.
计算分析了新型传动机构永磁齿轮传动机构的磁场，研究了永磁齿轮传动中从动轮的转矩。
Based on calculation and analysis of the magnetic field of a novel transmission mechanism using a magnetic gear. the torque on the driven wheel was studied.
介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
在研究了永磁同步电动机直接转矩控制基本原理的基础上，分析了直接转矩控制方案的特点及不足。
The character and the insufficiency of the common control strategy of DTC are analyzed on the basis of studying the principle of direct torque control (DTC) for PMSM.
最后设计调试了永磁电机直接转矩控制系统，包括IPM驱动和保护电路，电流电压采样电路以及转速采样电路等。
At last, the control system including the drive and protect circuits of the IPM and the current sample circuits and so on are designed.
计算了斜齿永磁齿轮机构的转矩和转速特性，同时研究了内啮合永磁齿轮的矩角特性曲线。
The characteristics of torque and rotational speed of skew gears are investigated and the characteristic curve of torque-angle of inside engaged gears are studied, too.
为提高系统的稳态性能，本文首次引入模糊逻辑到永磁同步电机直接转矩控制中。
A fuzzy logic method is introduced to the conventional PMSM DTC system in this thesis to improve the steady state performance of the system.
主要对永磁无刷直流电动机换相过程进行理论分析，得到引起换相转矩脉动的原因。
The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.
主要对永磁无刷直流电动机换相过程进行理论分析，得到引起换相转矩脉动的原因。
The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.
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