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- motor speed frequency change 变频调速
- The use of motor speed control, automatic cycloid. 采用可调速电机，自动摆线。
- Please gears down the motor speed. 请换到低速档。
- Do some change on the size, motor speed and decelerated rate, but keep the original motor output rate. 稍微改变尺寸大小,电机转速及减速比,但不改变输出转速。
- When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable. 万一变频器出现故障时，可工频驱动，转速不可调。
- The fuzzy logic controller designed in this study determines the required angular used in the DC chopper control based on motor speed error and its change. 设计的模糊控制器以电机的转速偏差及转速偏差率为输入，输出量用于控制斩波调速时的导通角。
- Singlechip control motor speed, motor speed button to adjust! 单片机控制的电机转速，按键调整电机转速！
- Control of microcomputer,frequency control of motor speed,touching panel,programmable operation with RCF automatic computing and setting,adjustable rise-and-fall speed. 微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、升降速可调。
- Haohua astronavigation chemical co.,ltd. adopts high voltage frequency converter for motor speed adjustment of water circulating pump and achieves obvious effect. 摘要昊华宇航化工有限公司采用高压变频器进行循环水泵电动机调速，节电效果显著。
- The imported frequency control of motor speed adapts to different printing speeds. 进口变频电机调速，适应不同印刷速度。
- The efficiency of electrostatic precipitator is extremely unstable as a result of frequency change of boiler coal quality in china. 我国燃煤锅炉的煤质多变,从而导致电除尘器的效率极不稳定。
- Fast speed frequency analysis of shock and vibration signal is realized by application of FFT recursion algorithm based on split-radix and twiddle vector. 系统中分裂基、旋转矢量FFT的递归算法的应用实现了对冲击振动信号的快速频谱分析。
- We also supply series YVF2 frequency changing motor and series YD changing motor. YVF2系列的变频调速电机和YD变极变速电机，上述各系列电机本厂均可提供。
- The methed is based on the redox reaction of sulfion with iodine,and the frequency change of the pieoelectric crystal caused by unreacted iodine is measured. 硫与人体健康的关系十分密切,硫的医疗价值越来越引起人们的重视,因此硫的测定具有重要意义。
- Based on slip frequency control strategy for the mutual-feed test bed, it is studied the regulation of traction motor speed as well as the analog load resistance torque with analog load. 摘要针对互馈试验台，基于转差频率控制策略，研究了牵引电机侧速度的调节和负载模拟侧阻力矩的调节。
- The results showed that the effect of sound waves was very sensitive to the frequency change，which meant that orthokinetic interaction governed the process. 实验证明了声波团聚中存在最佳频率，在此频率下团聚效果最好，偏离该值团聚效果急剧降低。
- Control of microcomputer,frequency control of motor speed,touching panel,programmable operation with RCF automatic computing and setting,adjustable rise-and-fall speed from arade 0 to 9. 微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、0至9档升降速可调。
- Modified formula for sensorless DC motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4-pole DC motor. 摘要根据4极直流电动机的转速与脉动电流频率关系的实验结果，对现有的无传感器直流电动机测速公式提出了修正意见。
- This BP mechanism forced the estimated speed to follow precisely the actual motor speed. 对实际电机进行了仿真验证，证明该方法的可行性和高效性。
- A concentration of receptor cells in their inner ear makes bats extremely sensitive to frequency changes. 一些蝙蝠内耳里的受体细胞的集中使它们对频率的变化极其敏感。
