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- From the fundamental equations of AC servo system, using the principle of coordinate transformation of vector a concise mathematical model is deduced, the speed examination arithmetic of PMSM is obtained. 摘要根据交流伺服电机的工作原理,利用矢量坐标变换原理,推导出交流永磁同步电动机的矢量控制数学模型,得出了交流永磁同步电动机速度检测算法。
- The four-times-frequency design of feed-back signal of AC servomotor and the design of speed examination arithmetic of PMSM are completed and the linearity modulation of torque electric current is realized. 完成了交流伺服电动机反馈信号的四倍频电路、交流永磁同步电动机速度检测设计,实现了转矩电流的线性调节。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- He drove the car at full speed through the town. 他驾驶汽车全速穿过那座城镇。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- The motorcycles were spinning along at full speed. 摩托车正全速疾驰。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- He was had up for exceeding the speed limit. 他因超速行驶而遭控告。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- "More haste, less speed", as the saying goes. 常言道,“欲速则不达”。
- Harden up a little, we need more speed. 把帆索拉紧一点,我们需要加快速度。
- He is driving at a terrific speed. 他以极快的速度驾驶。
- He usually drives at a moderate speed. 他通常中速驾驶。
- The cars got up speed on the straight. 汽车直驶时加快了速度。
- The speed limit is 40 miles per hour. 规定的最高时速为40英里。