Using speed adjustable motor and speed adjustor, and speed range.
采用调速电机和调速器，调速范围大。
Frequency power head, adjusting speed arbitrary, wide speed range.
变频动力头，转速任意调节，作用范围广。
Wide speed range to meet the constant torque and constant power requests.
调速范围广，满足恒转矩区和恒功率区要求。
The low. speed range comes to 30 percent of synchronous speed of the machine.
低速工作转速范围达同步转速的30％。
The system USES hybrid flux model to make the rotor flux constant during full speed range.
为了保持转子磁通恒定，采用了混合式磁通模型，它可以保证全速范围内磁通观测的准确性。
The factors that influence the variable speed range and the saving of energy are also analysed.
以水泵为例，本文对影响其调速范围、节能效果，可控性的一些主要因素，进行了对症分析和探讨。
But the main responses are chaotic, periodical and quasi-periodical motions in supercritical speed range.
在超临界转速区，系统响应以混沌、周期分频和拟周期为主要运动形式。
A group of the moderate and desirable size of wind tunnels at different speed range is recommended for reference.
文中推荐了不同速度下一组较合适的且能满足需要的风洞尺寸，供人们参考。
Within the supercritical speed range, the response of the rotor is periodical motion with the increase of amplitude.
在临界转速区，系统响应为周期运动，振幅相应增大。
This speed range was chosen because it is when most collisions take place, especially rear-end shunts in slow-moving traffic.
之所以选择这样的速度范围，是因为大多数的碰撞都在此范围内发生，尤其是低速行驶时的追尾事故。
Experimental results show that the exhaust tuning chamber can improve the engine performance at the middle low speed range.
试验表明，采用排气调谐腔能有效改善发动机在中低速区的性能。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
但步进电机的效率低，拖动负载的能力不大，脉冲当量不能太大，调速范围不大。
Stator resistance and pure integration are removed from the reference model, resulting in robust performance in wide speed range.
参考模型中不含定子电阻，并且避免了纯积分运算，因而在宽速度范围内具有较好的鲁棒性。
New selecting tables are defined based on the effect of torque reduction caused by zero voltage vectors in different speed range.
分析了零电压矢量在不同转速范围内对转矩的减小作用，并设计了新的选择表。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
With the help of an unconstrained minimization method solved is the axle center actual location of the rotor within its working speed range.
用无约束极小化方法求解了转子在工作转速范围内轴心实际位置。
This contributes to outstanding power delivery characteristics in the high-speed range, while the design also helps to minimize intake noise.
这有助于提供杰出的功率特性的高感光度范围，而设计也有利于最大限度地减少摄入噪音。
The minimum cutting force appears in a cutting speed range, the cutting speed is better in this range for the cutting performance improvement.
在较高切削速度时，存在一段使切削力最小的范围，切削时切削速度应尽量选在这段范围内，改善切削效果。
Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.
仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化，同时对变化较大的转子时间常数具有一定的鲁棒性。
As for bang-bang control, DTC has poor performance in low speed range. ISR and DSFO can not completely avoid the dependence upon rotor parameters.
但DTC由于砰-砰控制影响了低速性能，ISR和DSFO仍然避免不了对转子参数的依赖。
High torque to weight ratio, high efficiency and wide speed range should be the qualities possessed of by the motor drive systems in Electric Vehicles.
电动汽车中的电机驱动系统应该具有高转矩重量比、高效率以及宽广调速范围等特点。
Research results indicate that there is an optimum grinding speed range during grinding PCD in which the lowest cost and higher efficiency can be realized.
研究结果表明，磨削pcd材料时存在一个最佳磨削速度范围，在此范围内磨削成本最低、磨削效率较高。
Having the space vector PWM as the core of servo system, it has qualities such as multi-interface, wide speed range, and good dynamic and static performance.
该系统以空间矢量pwm控制为核心，具有多种接口方式、宽调速范围和良好的动静态特性。
Thus, the ac input motor and driver system has superior torque characteristics over a wide speed range, from low to high speeds, offering a large speed ratio.
因此，AC输入电机和驱动系统具有在很宽的转速范围内扭矩特性优越，从低到高的速度，提供了大速比。
By adopting the new design of circuit loop with cross-multiplying terms, the precision of voltage and speed controlled will be enhanced in a wider speed range.
在电流环中引入了一组电流交叉乘积项计算出准确的轴电压控制值，实现控制系统在较宽的速度范围内满足较高的控制精度。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
Research shows, on mountain highway with varied falling gradient, the continuous brake mode affected together can make vehicle travels steady in the speed range.
研究表明，在坡度不断变化的山区公路上，联合作用的持续制动方式可以使汽车在上述速度范围内稳定行驶。
Due to its excellent control performance, wide speed range, precise control, Vector control technology has a hot spot of research for control technology of TPAM.
矢量控制技术由于其优良的控制性能、较宽的调速范围，精确的控制能力，成为了当今TPAM控制技术中研究的热点。
Due to its excellent control performance, wide speed range, precise control, Vector control technology has a hot spot of research for control technology of TPAM.
矢量控制技术由于其优良的控制性能、较宽的调速范围，精确的控制能力，成为了当今TPAM控制技术中研究的热点。
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