查询词典 variable speed motor

Variable speed system of cycloconverter-fed multiphase synchronous motor is a major area in the development of high-power AC drive system because of its small dimension, large capacity, high torque, high-rate power, wide-range variable speed, low harmonic pollution, and reliable safety. In the low-speed and large-capacity industrial drives, such as rolling mills, winding motors, marine propeller, cement mixer, etc. it will find a wide application in the future.

采用多相同步电动机的交交变频调速系统，具有体积小、容量大、高转矩、高功率比、宽平滑调速区、谐波污染小、安全可靠的特点，是大功率交流调速领域的主要发展方向之一，在轧机，矿山卷扬，船舶推进，水泥球磨机等低速大容量的场合有着广泛的应用前景。

To deal with the second type of variable speed system, a method which combines sliding mode decoupling control theory and Phase-Locked Loop technique is firstly applied to the induction motor's variable speed control.

针对第二类系统，本论文首次提出了将滑动模解耦控制理论与锁相环技术相结合的方案，应用于感应电机的调速控制系统。

Common induction motor. Variable frequency variable speed system. Optimal startup frequency.Optimal timing range.

普通交流异步电动机，变频调速系统，最佳启动频率，最佳调速范围TM

Following that, we implement the algorithms of FOC, space vector pulse-width modulation, and speed control using the digital signal processor. Regarding to the influence of controller parameters on dynamic response of the motor speed, this thesis proposes the speed control of PMSM using self-tuning fuzzy technique. By the self-tuning technique, the on-line fuzzy logic controller output can give better speed response under the load disturbances or variable speed commands.

本文首先使用数位讯号处理器完成磁场导向控制、空间向量脉波宽度调变及速度控制之策略，针对控制器参数对系统动态响应之影响，提出采用自调式模糊控制器於速度控制回路，藉由自调式机制，线上调整模糊控制器之参数，使PMSM在变动负载及速度命令下有较佳之动态响应，达到提升系统响应及强健性之目的。

Turnabout H.D., driven by an AC electric variable-speed motor with constant torque, is specifically designed for use with thicker, more viscous inks and coatings, such as high-density plastisol.

由交流电变速恒转矩马达驱动的Turnabout H.D。为使用更粘稠的油墨和粘胶而设计。

The three-rotor single phase variable voltage and speed motor possess the advantages of simple control, low price, and a wide range of variable speed, particularly good condition for heat scatter in lower speed running.

三转子单相调压调速电动机具有控制简单、价格低廉、调速范围宽等优点，尤其在低速运行下有较好的散热条件。

Convention V-belt Continuously Variable Transmission, shifts gears the travel mechanism property fixed constraint, unable full into full play initiative control advantage, to engine and Transmission on the go to hold optimum match, Also takes into consideration acceleration and fuel consumption performance, so this paper research Motorcycles with an Electronically-Controlled Continuously Variable Transmission shift gears planning, to use motor power screw, we shall revolve motion changes rectilinear motion, to push driving sheaves achieved to change speed ratio; Comparison between analysis convention CVT speed ratio shift gears curves of acceleration and fuel consumption performance optimum curves, use engine can hold high performance output or low fuel consumption region run.

中文摘要传统皮带式无段变速器(Continuously Variable Transmission， CVT)，换档行程由於机械特性的限制，无法完全发挥主动控制的优点，让引擎与变速器随时保持在最佳的匹配状态，同时顾及加速性能与燃油消耗，所以本文主要研究机车用电子控制式无段变速系统(Electronically Controlled Continuously Variable Transmission， ECVT)最佳换档规划，利用马达与动力螺杆，将旋转运动改变为直线运动，以推动主动滑轮达到改变减速比；分析传统CVT减速比换档曲线与最佳化曲线之加速性能及燃油消耗比较，使引擎能够保持较高性能输出或较低油耗区间运转。

The main products of our company are the crane and metallurgicall motor,explosion-proof motor,variable-frequencyadjustable-speed motor,multi-speed motor,braking motor,roller motor,valve motor,vibration motor,motor for fan,reduction,and augers,tumbling barrel motor,tower motor,shield motor and pumps.Our company can produce other products accordingto the needing of users.

本公司主要生产和销售起重冶金电机、防爆电机、变频调速电机、多速电机、制动电机、辊道电机、阀门电机、振动电机、风机专用电机、减速机专用电机、滚筒电机、工程钻孔机专用电机、塔机专用电机以及屏蔽电机和屏蔽电泵等产品，并可根据用户的要求，研制生产其他各种专用产品。

The DC motor drive, Variable Fill Hydrokinetic drive, and the Variable Mechanical Transmission drive compete for application on belts with extreme profiles or variable speed at running requirements.

在结构特别复杂，运行需要不同速度的传送带启动中，传送带直流发动机驱动、不同填充液体驱动、和相异机械传递驱动系统一直实力相当的候选者。

FEATURES: Infinitely variable speed of spindle obtained by inverter, constant surface speed processing, rapid brake of spindle, mixed step motor, smooth running in low speed, hardened and precision-ground bed ways.

特点：主轴采用变频器实现无级变速，恒线速切削功能，主轴快速制动，混合式步进电机，低速运行平稳，床身导轨表面经淬火和精密磨削。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。