The difference between it and ordinary PM motor is that their effective polearc coefficients are not the same.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
This paper introduces structure and characteristic of IRMCK203 and gives the system design for sensor-less PM motor.
在此，介绍IRMCK203芯片的结构与特点，并给出基于IRMCK203的无传感器永磁同步电机的控制系统设计。
The thesis will discuss the Danfoss FC300 drive's application experience in open-loop PM motor control and the methods to improve the shaft performance.
本文介绍了丹佛斯FC300变频器开环驱动交流永磁同步电机的经验和改善开环控制精度的办法。
According to the different PWM module in regeneration of brushless PM motor, there are two kinds of modulation, half bridge modulation and whole bridge modulation.
根据永磁无刷电动机制动过程PWM控制的开关管的方式不同，可以分为半桥调制制动方式和全桥调制制动方式。
The structure and characteristics of the PM motor of outer-rotor were introduced, and the space vector control system was designed, using the high performance DSP.
介绍了外转子永磁电动机结构及其特点，并应用高性能电动机控制DSP，设计了电动机的矢量控制系统，电动机转矩和控制性能良好。
There is no perfect method to calculate this kind of machine. The difference between it and ordinary PM motor is that their effective pole arc coefficients are not the same.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
This paper introduced a PM motor of outer-rotor structure, and designed its space vector control system, using the high performance DSP. Good control performance has been achieved.
本文介绍了一种外转子结构水磁电机，并应用高性能电机摔制DSP，设计了电机的矢量控制系统，电机转矩利调速性能良好。
PM motors, conversely, derive the field from high energy permanent magnets, so that no power is required to build the motor field and more power can be devoted to torque generation.
下午电机，反之，从外地获得高能永磁材料，这样就没有权力要求，以建立电机领域和更大的权力可用于扭矩一代。
To improve the capability of the electric system, a three-level PWM power amplifier and Backboard of the control-box is designed, which are applicable to the bearing-less slice PM motor.
为了改善电气控制系统性能，设计了适用于片状无轴承永磁电机的双向三电平PWM功率放大器和控制箱转接板。
The axial stability of the rotor is obtained by the radial force of the passive magnetic bearings as well as the axial force produced by the PM motor due to the axial offset of the rotor.
电机转子的轴向稳定性依靠被动式轴承以及永磁转子由于轴向位移产生的轴向力来实现。
The model shows that the electro-magnetic coupling relationship inside the two-pole PM spherical motor is simple and that the torque of the motor is easy to control.
所得结果表明，双极永磁球形电动机内部电磁关系简单，易于实现对转子位置的控制。
This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
研究了稀土永磁单相同步电动机的稳态运行时的相量图，对相量计算结果进行了分析，讨论了电机直轴电枢反应的性质问题。
The structure and operation principle of a PM spherical stepper motor and its gimbal guideway orientation detection system were discussed.
介绍了一种永磁球形步进电动机的结构、工作原理及滑轨支架形式的位置检测系统。
Taking PM type(the permanent magnet model) SLPMU -025A motor as an example , this paper makes analytical calculation of its efficiency characteristics by the means of equivalent circuit.
以日本神钢电机公司制造的PM型（永久磁铁型）SLPMU-025A为样机，利用等效电路法对其效率特性进行了解析计算。
Against the status, PM brushless torque motor to drive screw pump directly was adopted by the paper, and the correlative problem was studied.
针对这种情况，本文采用永磁无刷力矩电机直接驱动螺杆泵，并对其相关问题进行了研究。
The PM brushless DC motor is a multi-variable and non-linear system.
永磁无刷直流电机控制系统是多变量和非线性的。
The pulsating magnetic field PM low speed synchronous motor is a type of PMSM with novel structure and principle.
脉振磁场永磁低速同步电动机是一种新结构原理的电机。
The disk type PM synchronous motor has high power density and excellent dynamic performance at the same output power or shaft torque.
盘式永磁电机功率密度高，动态性能良好，是理想的机电一体化组件。
An automatic balancing head is introduced, in which a PM frequency difference motor is used.
设计了使用永磁频差电动机的自动平衡头。
DSP-based scheme of PM synchronous motor servo system and its experimental results are presented.
提出了一种基于DSP的永磁同步电机伺服系统方案；给出了样机实验结果。
So the saturated steady operation mathematical model of pulsating magnetic field PM low speed synchronous motor is constructed under phase coordinate system.
脉振磁场永磁低速同步电动机是一种新结构原理的永磁同步电动机。
The structure and operation principle of a PM spherical stepper motor are discussed and its configuration parameters are analyzed.
介绍了一种新型永磁球形步进电动机的结构、工作原理，对电机的结构参数进行了深入分析。
The paper presents a control system of an interior permanent magnet synchronous motor (IPM PM) for elevator driver without gear box. The system is based on DSP embedded processor.
针对无齿轮电梯对电机拖动的要求，实现了一种基于DSP嵌入式芯片的永磁同步电机调速系统。
High power PM DC motor has many advantages, such as high efficiency and small volume.
大功率永磁直流电机具有效率高、体积小等许多优点。
A new type of controller of PM brushless DC motor based on IntelligentPower Module (IPM) is developed.
研究基于智能功率模块IPM构成的永磁无刷直流电动机新型控制器。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
After the structure of the coreless disk PM synchronous motor is analyzed the running characteristics and control differences would be summed up.
通过对盘式无铁心永磁同步电动机结构的分析，总结此种电机运行中的特点，及其在控制中与普通永磁同步电动机的不同之处。
This paper presented an optimization design method of Combined PM-Reluctance Motor(CPMR) for extending speed range with constant output power used in electric vehicles.
提出了一种能够在宽调速范围内实现恒功率运行的电动汽车驱动用复合转子结构永磁磁阻（CPMR）电机的最优设计方法。
A subsidiary of Gujiao Limited, coking Limited, Mineral Development Corporation, three new motor company Real Estate Development company, and other sub-9 (PM) companies.
公司下属有古交有限公司、焦化有限公司、矿产开发公司、三新汽运公司、房地产开发公司等9个子(分)公司。
A subsidiary of Gujiao Limited, coking Limited, Mineral Development Corporation, three new motor company Real Estate Development company, and other sub-9 (PM) companies.
公司下属有古交有限公司、焦化有限公司、矿产开发公司、三新汽运公司、房地产开发公司等9个子(分)公司。
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