variable speed

基本解释

An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.
ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。
"We looked into installing a variable speed drive on the press, " explains Yager, "so we could stamp the aluminum at the slower speed and the steel at the original speed."
我们考虑在压机上安装一个可变速的驱动装置，这样我们就可以冲压铝件时降低速度，冲压钢件时恢复原来的速度。
Infinitely variable speed control motor, running for passive ventilation, provides with a pleasant room atmosphere.
利用无级变速马达主动通风，为室内提供最舒适的自然环境；

Moreover, it can also factor such things as weather conditions and variable speed limits into the cars' behaviour.
ECONOMIST: Traffic management
That included a custom enclosure and variable speed rotating platform have been sourced.
ENGADGET
Other shooting modes for capturing action include high-speed digital still recording at up to 60fps and variable speed time-lapse recording.
ENGADGET: JVC launches Procision slow-mo HD camcorder, refreshed Everio line at CES

变频调速
Permanent Magnet Synchronous Motor(PMSM) have wide application prospect due to high efficiency, small size and good variable speed performance.
永磁同步电动机具有高效节能、体积小以及良好的变频调速性能等优点,符合国家节能环保的指导方向,有广泛的应用前景。
计算机科学技术
变速
Simulation results show that it has lots of advantages such as high precision,fast convergence and excellent generalization ability and it is suitable for variable speed and load disturbance,even more complex circumstance.
仿真结果表明,该方法具有很快的收敛速度,它能很精确地辨识PMSM的Rs,ψ_d和ψ_q,该网络具有良好的泛化能力,在变速变负载等复杂情况下也适用。
数学
可变速率