| 1. | A novel speed measuring method for induction motor in voltage 晶闸管调压系统中的电机转速检测新方法 |
| 2. | A phase - locked - loop - based model reference adaptive system for speed estimation of sensorless induction motor drives 一种基于锁相环原理的参考模型自适应感应电机转速估计方法 |
| 3. | By adjusting the frequency converter gear according to this law , the constant paper tension is attainable 然后利用此规律通过交流变频调速器对电机转速的控制,实现了砂布砂纸生产线的恒定张力控制。 |
| 4. | The paper presents a novel speed identification scheme based on the bp neural network for the dtc motor drive system 摘要针对异步电动机直接转矩控制系统,基于三相异步电机方程提出一种新型的采用人工神经网络辨识电机转速的方法。 |
| 5. | Comparing the real electromagnetism torque and the ideal electromagnetism torque , we can find the trend of the speed variation , and then we can control the motor properly 实际电磁转矩与理想电磁转矩相比较,即可得到电机转速的变化趋势。 |
| 6. | This system provides precise control and process monitoring , in which the temperature in different area and the pressure in head of machine can be controlled automatically by the computer 本系统要提供精确控制和过程监视。它有自动控制喂料电机、主电机转速,调节温度的功能。 |
| 7. | With the testing system , the mechanical load is applied and the relationship between the mechanical load and the revolution speed of the ultrasonic motor is studied under the vacuum condition 通过该装置实现了对超声电机负载力矩的施加以及在真空环境下对超声电机转速、转矩的测量。 |
| 8. | The software of the system have been compiled on the base of data sampling . the system used double - closed loop and pid method , one loop is speed control , the other is curret control 系统软件中,以中断响应方式,实现电机转速和电机电流实时采集、处理和控制;通过常数值切换法,实现电机的变结构控制。 |
| 9. | In addition , the effects on the torque ripple caused by the pwm modes , overlapping commutation and so on are analyzed , and the conclusion is reached : the commutation torque ripple varies with the rotor speed 并得出结论:永磁无刷直流电机换相转矩脉动的大小在电机确定的条件下,主要受电机转速的影响。 |
| 10. | High speed : high efficiency and low resistance moment , under the same conditions , the generator speed can reach at 1 . 5 or 3 times of the normal generator ' s , so it can be make good use of 转的快:电机轻快高效,阻力矩极小,同等条件下,转速是其它电机转速的1 . 5到3倍,风叶的风能利用系数更高,可以发更多的电。 |