片语

torque ripple minimization转矩脉动最小化

commutation torque ripple换相转矩脉动

torque and current ripple转矩和电流脉动

minimize torque ripple减小转矩脉动

minish torque ripple减小转矩脉动

torque ripple restrain直接瞬时转矩控制

small torque ripple components减小转矩脉动

torque ripple reduction转矩脉动抑制

英汉例句

• adaptive fuzzy pid controller was used to regulate the speed, for srm has time-variable and nonlinear property. the simulation result indicates that the system can reduce torque ripple obviously.

  针对sr电机的时变、非线性特性，对闭环系统的速度调节器采用自适应模糊pid控制器进行转速调节，仿真结果表明该系统具有良好的转矩脉动抑制效果。

• 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。

• for the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.

  针对基于直接转矩控制中的感应电动机在低速运转时存在较大的转矩脉动问题，提出了一种新的控制方法。

• it is presented a method using fuzzy adaptive system to obtain torque ripple reduction in switched reluctance motor.

  介绍用模糊自适应系统控制开关磁阻电机使转矩脉动减小的方法。

• 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。

• due to the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.

  针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，该文提出一种新的控制方法。

• to overcome the disadvantage of higher torque ripple in gearing motor, one method of instantaneous torque control by optimum profiling of the phase currents is presented.

  仿真结果表明，此方法对分析啮合电动机及其驱动系统在各种控制方式下的运行性能具有一定的参考价值。

• position prediction algorithm is introduced to compensate the position error in the sampling time, or the extra torque ripple would be produced.

  针对采样周斯内的位置误差会引起电机额外的转矩波动，本文引入了位置预测算法。

• five- and six-phase motors can offer better torque ripple reduction compared with four-phase and three-phase.

  五和六阶段马达可能提供更好的扭矩波纹减少比较四阶段和三相。

• however, torque ripple generated in commutation period is the main drawback of bldcm, which make the application of bldcm in the high accuracy system impossible.

  但是，永磁无刷直流电机存在较大的转矩波动，这就限制了它在高精度系统中的应用。

• for the being of the torque ripple and the position sensors, the application of brushless dc motors is limited.

  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。

• to reduce the voltage distortion, current harmonics and torque ripple caused by the dead time effects, a voltage feed-forward dead time compensation method based on svpwm is presented.

  为减小逆变器死区效应引起的电压、电流畸变及电机转矩脉动的影响，提出一种基于空间电压矢量脉宽调制（svpwm）的电压前馈型死区补偿方法。

• due to the large torque ripple and the flux linkage ripple of induction motor based on direct torque control, especially at a low speed, a new control strategy is proposed.

  针对基于直接转矩控制的异步电动机在低速运转时存在较大的转矩脉动和磁链脉动的问题，提出一种新的控制方法。

• 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.

  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。

• compared with five pwm patterns, the conclusion is obtained that is pwm pattern 2 has less torque ripple than other four pwm patterns.

  比较结果显示，调制方式2转矩波动最小，为pwm调制方式的选择提供了理论依据。

• the torque ripple could be significantly reduced by svm-based dtc scheme.

  基于svm的dtc方案可以有效地减小转矩波动。

• this strategy can make use of switching condition of three-level inverter, more precise voltage vector can be produced so that the torque ripple and the flux linkage error can be reduced.

  这种方法能够合理地利用三电平逆变器的开关状态，生成更加精确的电压矢量，降低转矩波动与磁链误差。

• in this paper, a current control algorithm using fourier series coefficients is proposed. this algorithm can minimize torque ripple obviously.

  文中提出应用傅立叶级数系数的电流控制算法，能明显减少转矩波动。

• from the lowest speed to the highest speed, servo motor can smooth running, torque ripple is small.

  从最低转速到最高转速，伺服电机都能平滑运转，转矩波动小。

• due to the large torque ripple of inductance motor based on direct torque control, especially in a low speed, this paper proposes a new control strategy.

  针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，提出一种新的控制方法。

• then a torque and flux regulator based sliding-mode control theory was designed to reduce the torque ripple in conventional dtc system.

  并且基于滑模控制理论设计了滑模转矩和磁链调节器。

• in chapter 3 the torque ripple minimization algorithm based on torque observation and instant torque control is studied as well as the fuzzy pid controller does.

  在分析两种转矩脉动抑制方法局限性基础上，研究了基于转矩观测的瞬时转矩脉动抑制算法以及转速环的模糊pid控制器设计。