查询词典 motor-driven

Making use of wire feed motor with encoder,a digital wire feeder system based on speed feedback of rotation speed with encoder of wire feed motor.

介绍了利用编码器实现送丝电机转速的数字反馈转速控制调速系统。

Therefore, the "Road Traffic Safety Law," the fifty-eighth Article wheelchair for the disabled motor vehicles, electric bicycle motor tract in the non-moving requirements of a top speed of more than 15 kilometers away.

因此，&道路交通安全法&，第五十八条轮椅残疾人机动车辆，电动自行车在非机动道，移动超过15公里，最高速度的要求了。

By law, the legislature delegated to the Commission the power to fiz the routes over which motor carriers operate, set the rates charged, and assess the property value of the carrier companies for county and municipal tazation [Crowell (1987, 247-248)] Tennessee grants three types of motor carrier operating authority.

根据法律，立法机关授予委员会的权力过的FIZ路线的汽车运营商经营，设置的收费，以及评估承运人的公司的财产价值为县，市tazation [克劳威尔（1987年，247-248）] 田纳西州的补助金3种汽车承运人经营的权力。

For quality of the yarn, the new developed computer control system of FA-425 fly frame has to accurately keep the speed synchronization between flyer motor and rolling motor in the process of start, work and stop of the two motors.

为了保证粗纱的质量，新开发的FA-425型粗纱机计算机控制系统，必须使锭翼和卷绕2台机在起动、运行和停止全过程中严格保持速度同步。

Maglev health beauty weight loss health beds is a Magnetic support for a complex electronic and mechanical high-tech products of the alternative, suspended in the air bed, its role as a magnet beneath the bedstead and bed base interactions of magnets bedstead bed base and leave them suspended, and then to bed magnetic base of the bedstead can transform the whole magnetic vibration; before and after; around; rocking movement, etc.; in the bedstead campaign process, without any linkage, or gears or belts, twisted Lian passive body without motor or hydraulic arm of the initiative institutions, and its actuation process without any oil or exhaust noise and pollution generation, magnetic levitation force bed, and consumption of reactive small, control is simple, safe and reliable, such a novel concept, design reasonable, full-featured, performance, a wide range of applications; can be described as a collection: physical therapy, fitness, leisure, sleep and other motor function as one design.

磁悬浮养生美容减肥健康床是一种以磁力支撑，为一种电子与机械复合之另类高科技产品，悬浮於空气中的床，其作用为床架下方的磁体与床底座磁体相互作用而使床架离开床底座而悬浮起来，再以床底座磁极之变换而使床架能做上下磁震动；前后；左右；摇摆等运动；在床架的运动过程中，无需任何连杆，或齿轮或皮带，绞炼之被动机构，亦无需马达或油压臂之主动机构，且其作动过程中无任何噪音与油污或废气的污染产生，磁悬浮床作用力大，耗功小，控制简便，安全可靠，此种构思新颖，设计合理，功能齐全，性能优良，应用广泛；可谓集合：理疗，健身，休憩，睡眠等多种运动功能为一体的设计。

In this paper, the basic principle of the conventional slip energy recovery induction motor drive is discussed. Two kinds of slip energy recovery induction motor driving systems with high factors are discussed, and the performance analysis of these methods is compared. On the basis of above, a new type of three-phase and four-line slip energy recovering drive is proposed.

本文首先从普通串调原理入手，简要分析了影响串调系统功率因数的主要因素；在对三相四线双晶闸管串级调速、新型GTO串级调速等几种高功率方案进行分析与比较的基础上，提出了一种新型三相四线制双IGBT串级调速控制方案。

Motor starting current is a function of the motor design and may be as much as twenty times full-load current in extreme cases.

电机电流取决于设计方法，在一些极端情况电机电流可能超过20倍满载电流。

This paper presents MMF of a five-phase induction motor with concentrated and full-pitch windings by means of fourier analysis and winding function , which indicates theoretically that the five-phase induction motor with concentrated and full-pitch windings can provide more electromagnetic torque and higher torque density than others.

本文运用傅里叶分析和绕组函数的方法，推导了集中整距绕组五相感应电动机的磁动势，得出集中整距绕组五相感应电机能更好地增加电机的电磁转矩、提高转矩密度。

The state equation of induction motor with G-type parameters was established and a flux observer was designed based on U-N model. The speed adaptive law was deduced by the theory of Lyapunov stability. A method of model reference adaptive speed estimation based on the full order flux observer was proposed and a scheme of induction motor direct torque control without speed sensor was studied.

建立了基于异步电机G-型参数的状态方程，给出了基于U-N模型的定子磁链观测器；基于李雅普诺夫稳定性理论推出了速度自适应律，给出了基于这种全阶磁链观测器方案的模型参考自适应速度辨识方法。

Especially in the field of elevator, numerical control machine tool etc., the traditional decelerater-electrical motor drive mode are now gradually replaced by the integrated drive system that is built up power electronic-electrical motor-mechanical load with center of micro-electronic info processor. The main study objects of this item are the gearless elevater traction drive system.

尤其在电梯和数控机床等低速大扭矩驱动领域中，以电子信息处理技术为核心与电力电子电源-电动机-机械负载组成融为一体的闭环无级变速系统，正在逐步取代传统的减速机-电动机驱动模式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。