| 1. | Design of load variation compensation in the material testing machine system
材料试验机系统负载变化补偿设计 |
| 2. | But vector control strategy ca n ' t effectively overcome parameters changing of motor and load , and random disturbance
但是，矢量变换控制难以解决电动机内部参数变化和负载变化而引起的控制问题。 |
| 3. | The systems are composed of single - chip microcomputer and several kinds of interface circuits and control the voltage to run after the change of load
该系统是由单片机和各种接口电路组成，控制电机的电压跟踪负载变化，达到节能的目的。 |
| 4. | The contactless measuring method based on the hall effect combines excellent switching accuracy with high stability , even under high load alternations
基于霍尔效应的无触点测量方法结合了极高的开关精度和即使在高负载变化下也具有的高稳定性。 |
| 5. | Great intermittent noise , wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line
但是，电力线通信信道存在间歇性噪声大、阻抗随负载变化大、信号衰减大等缺点，严重制约了它的有效利用。 |
| 6. | Hunting hunting is a phenomenon that can occur upon load changes in which the frequency or the voltage continues to rise above and fall below the desired value without reaching a steady - state value
游车游车是一种在负载变化引起的频率、电压高于或低于期望值，无法达到稳定的现象。 |
| 7. | Because of the temperature rising of ultrasonic motors , load changes , and vicinal surrounding changes and so on , the resonant frequency will shift , leading to working stability drop
由于超声波电机的温升、负载变化及周围环境变化等原因,使电机的谐振频率发生漂移,这将影响超声波电机运行的稳定性。 |
| 8. | The contactless hall effect - based measuring principle gives the pressure switch extremely good repeatability and longevity , even with extremely high load change frequencies . the adjusting screws allow the switching points of the magswitch
符合无触点霍耳效应测量原理使得这种压力开关即使在极高负载变化频率条件下也具有卓越的可重复性和寿命。 |
| 9. | The formulas of three kinds of loaded ultrasonic transformers are presented ; then , the graphs of resonance frequency and the amplitude magnification coefficient , following the change of load , are charted by the programs of matlab
得到了三类常用变幅杆频率方程和放大系数的表达式；并通过matlab编程，分别绘制了三类变幅杆共振频率及放大系数随负载变化的曲线图。 |
| 10. | The problem of noise is a chief block to restrict the popularity and developement of the plc because of the irregularity of power line network , the randomness of transmission distrance and load facility diversities
由于低压范围内电力线网络的非规则性、传输距离的随意性、以及电力线上负载变化的多样性，使得干扰问题成为制约低压电力线载波通信发展和普及的主要障碍。 |
