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- rotation speed ripple 转速脉动
- The frequency of the current ripple caused by brush commutation in the DC motor is determined by the number of commutator bars, the number of asynchronous commutated brushes, and the rotation speed. 认为换向造成的电流脉动除了与转速有关以外还与换向片数以及不能同时换向的电刷个数有关。
- 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。
- Electronic speed controller to achieve optional rotation speed. 电子调速器任意调整转速。
- Closed-loop control of rotation speed of4 WD electric vehicle is studied. 研究了4wd电动汽车的转速闭环控制。
- Large deformation only occurs in the case of very high rotation speed. 只有在转速极高时，弹道簧才会产生局部严重变形。
- The higher the rotation speed of the turnplate and the degree of superheat,... 转盘转速越高,金属熔体过热度越大,活化粉体粒径越细。
- Special lateral cross-flow fan makes lower fan rotation speed, which ensures lower noise and vibration levels. 独特的交错纹风扇设计有效减低转速以降低噪音及震动。
- Allied Calliope rotation speed decreased to 33 from 35. Acceleration decreased to 1.3. Max speed decreased to 5 from 5.2. 管风琴旋转速度从35降低为33。加速性降低为1.;3。最高速度从5
- Designed system can control the rotation speed of pneumatic motor effectively and thus get the adjustable feeding speed of the thread. 实验表明:该控制系统可有效控制气动马达转速,得到可调节的喂丝速度。
- Relation of quantity of fuel injection and needle vavle lift,rotation speed and pressure is got. 测定喷油量与针阀升程、喷油时间、主轴转速、喷油压力的关系。 (3)喷油量计算公式中修正系数K的确定。
- Amplified by proximity, the gravity of the stars modifies the rotation speed of the ellipses. 星球的重力被其近邻的星球放大，进而修改了椭圆的旋转速率。
- The higher the rotation speed of the turnplate and the degree of superheat, the more finer the particle size. 转盘转速越高，金属熔体过热度越大，活化粉体粒径越细。
- With the circuit, the wheel rotation speed can be accurately measured even at low speed (<3km/h). 在较低车速下(<3km/h)仍能准确地测量车速。
- System adopt infrared photosensor measure motor rotation speed and drawing locus by black curve on the palette. 而对于不确定的曲线，由光电传感器得到路线信息，经过单片机的处理，给出物体运动方向的指令。
- At first, the influence of load and rotation speed on mate-rial removal are investigated in this study. 本研究首先探讨利用纯镍镀层进行研光加工时，荷重与转速对材料移除量之影响。
- Note: There are many choices becomes the rotational speed. 注:均质机转速有多种选择。
- PMSM Speed Ripple Restraining Based on Fuzzy PI Control 基于模糊PI控制的永磁同步电机转速脉动抑制
- Halving drill pressure and doubling rotation speed can not reduce the performance load between friction pairs. 轴承系统的径向间隙越小，相应的峰值接触压力越低；
