通过合理设计电机的结构参数和电磁参数,可有效提高电机输出转矩,降低转动惯量,提高电机响应特性。
By optimization design on the configuration and electromagnetism parameters, the output torque can be effectively enhanced with lower moment of inertia and faster response characteristics.
为了可靠运行,必须降低转速的波动,即必须有效抑制负载转矩脉动和电机电磁转矩脉动带来的转速波动。
In order to have a reliable operation, must reduce the speed fluctuation, namely must effectively restrain the load torque ripple and motor electromagnetic torque ripple of speed fluctuation bring.
同扳手型设计相比,这种阀门可以在更高的压力下使用更小的转矩有效地密封。
The valve effectively seals at higher pressures with less closing torque than the wrench-operated design.
基于SVM的DTC方案可以有效地减小转矩波动。
The torque ripple could be significantly reduced by SVM-based DTC scheme.
文中设计了一种模糊在线检测器以检测电阻的瞬时值,为改善直接转矩伺服系统的低速性能找到了一种有效的方法。
This paper designs a fuzzy observer for measuring resistance value of induction motor and presents an effective method for improving the performance of the DTC servo system at low speeds.
分析和实验证明,该拓扑能够简单、有效的检测出电机的力矩电流,对抑制电机转矩脉动具有重要意义。
Analysis and experiment show that the topology can detect motor's torque current simply and effectively and has magnificent significance to reduce torque ripple of motor.
仿真结果表明,改进方案在提高暂态转矩稳定和有次同步谐振问题系统的稳定性比原方案更有效。
The simulation results show that the improved NGH scheme is more effective in improving both the transient torque stability and the system with SSR problems as compared with the original scheme.
麦克斯韦应力张量法是计算电机电磁转矩的有效方法。
Maxwell stress method is an available one to calculate electromagnetism torque of machines.
在旋转步进电动机的步进运动分析中,转矩星形图是一种比较有效的工具。
The starlike torque graph is an effective method in analyzing the step running of rotatable step motor.
从而为合理选择极弧宽度,达到减少电磁转矩波动的目的提供了一种有效途径。
Thus an effective way to design the polar arc width reasonably in order to reduce torque ripple is provided.
实验研究表明,采用梯形积分的转子磁链离散化法和遇限削弱积分pi控制算法,能够有效地改善系统的高低频转矩响应。
Experiments shown that the system torque performance can be improved effectively by dispersing rotor flux with trapezoid integrator and numerical PI regulating with correction of the integral term.
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.
实验结果表明,IS C控制策略能够有效地改善直接转矩控制系统的低速特性。
The experiment results show that control performance has been improved by means of ISC in low-speed operation.
提出了一种基于位置模糊控制策略的启动方法,有效解决了传统直流转矩定位方法的转子退磁问题。
Proposed a vague location control method to launch the rotor, which is an effective solution to the problem of weakening magnetic field caused by traditional DC torque methods.
在大电流饱和状态下,该模型有效地描述了电机产生的径向悬浮力和电磁转矩。
The model can depict radial force and electromagnetic torque generated in the motor more accurately in the region of magnetic saturation.
仿真结果表明该方法能够有效地控制开关磁阻电动机相转矩按期望变化,从而实现了其高性能转矩控制。
Detailed simulation results show that SRM phase torque can follow a desired torque command, which results in a linear, decoupled and low ripple control of torque.
仿真结果表明,采用低通滤波器补偿法, 直接转矩控制系统的低速性能有十分明显的提高,证实了该方法的有效性。
The simulation results showed that the performances have been improved by the compensation method based on low-pass filter in low speed in DTC system, confirming the validity of the method.
仿真实验结果表明该方案是可行的,有效地减抑制了无刷直流电机的转矩脉动,并改善了系统的动、静态运行性能。
Simulation results show that the control method is reliable, reduces torque ripple and has effectively improved dynamic and static operation performances.
数值实验显示该控制器具有很好的普适性,以及此系统能快速跟踪额定电压范围内的参考电压,转矩脉动能被有效抑制。
It can ensure that the controlled system tracks rapidly the reference voltage within the scope of the given saturation voltage, while torque pulsation can be attenuated effectively.
磁场定向控制是控制由变频器供电的异步电机暂态电磁转矩的有效手段。
The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.
具有效率高、节能、起动转矩大、性能好、噪声低振动小等优点。
It has the features of high efficiency, large moment for rotation low noised noise and small vibration.
直接转矩控制的感应电动机的速度控制需要有效地建立定子磁 通。
Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux.
仿真结果表明,离散滑模变结构控制技术能有效地降低开关磁阻电机的转矩脉动,并且可以提高系统的响应速度。
Simulation on the torque and the speed of switched reluctance motor shows that the control technology can effectively reduce the torque ripple of the motor, while improving the system response speed.
由此,能够有效地防止和保护珩磨工具(1)不受因过度的转矩负荷而导致的损伤、折损等。
As a result, it is possible to prevent and protect the damage or fold of the honing tool (1) due to the excessive torque load.
适当增加铁心长度可以有效提高电机效率和功率因数,但会导致启动转矩倍数和最大转矩倍数减小。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
研究表明,采用偏心磁极结构可有效地削弱齿槽转矩,而对每极磁通影响较小,本文提出的方法是有效的。
The effects of different combinations of slot number and pole number on cogging torque are also investigated. The study shows that the cogging torque could be gr…
研究表明,采用偏心磁极结构可有效地削弱齿槽转矩,而对每极磁通影响较小,本文提出的方法是有效的。
The effects of different combinations of slot number and pole number on cogging torque are also investigated. The study shows that the cogging torque could be gr…
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