电机驱动的

In full machine cutting mode, the main motor drives the flywheel, which drives the saw frame back and forth along a straight line, the work piece on the block trolley sustains top-rising cutting by elevating the lift platform.

整机切割方式，主电机驱动飞轮，带动锯框做直线往复运动；装载荒料的荒料车通过升降台的提升实现荒料顶升式锯切。

As a direct driving motor, it is becoming a hotspot in the field of mechanical and electrical control.

本文针对超声波电机驱动控制系统的实现做了进一步的研究和设计。

By optimum design of control scheme, fast tracking characteristic to the command signal and suppression of parameter variation and perturbation are obtained.

针对直接驱动的直线永磁同步电机，提出基于神经网络和滑模变结构控制的双自由度控制策略。

Reliability model in series of motor driving system in vehicle was established.

直流母线支撑电容、大功率电子器件、控制电路、轴承和绝缘的失效是电动汽车电机驱动系统的主要失效模式。

The working principle and control characteristics of rare earth permanent magnet motor driven by sinusoidal and trapezoidal in satellite flywheel were introduced in this paper.

介绍了卫星飞轮用稀土永磁电机的正弦波和方波两种驱动的工作原理及其控制特点。

Battery-operated vacuum sweeper with travel drive for small to medium-sized surfaces. Connectable and adjustable side brush. Equipped with progressive flat pleated filter, filter shaker and suction device.

电瓶式直流电机驱动手推式自走吸尘清扫车；特别适合室内、室外的中、小面积使用；高度可调整式主刷；浮动式边刷；移动式尘箱；清扫过程中所产生的尘埃被及时吸入并保留在过滤器中；机械式过滤器除尘系统。

Theoretical analysis and research of the performance of the stepping-motor-driven warp let-off motion are conducted in this paper.

本文对步进电机驱动送经装置的性能进行了理论分析和研究，建立了织造过程中经纱静态张力的数字仿真模型。

The vibratory forming theory is introduced as follows. The vibration, which is obtained through shock excitation electric engines driving tow symmetric wobbler shafts, makes the compacted stuff generate vibratory shock.

其振动成型原理是通过激振电机驱动对称安装在振动台上的偏心块轴，产生激振力使振动台产生所需的振动，由于振动使被压实材料内产生振动冲击。

Reliability:The gearless traction machine with low-speed moving parts ensures long-term reliability of the elevator.

可靠：富士永磁同步电机直接驱动的无齿轮曳引机只有低速成运动部件，保证电梯系统的长时间可靠运行。

Specifically for the integrated delivery system customized Vmp, is the world's most advanced precision stepper motor driven valveless metering pump.

特别是对综合传输系统定制的峰值电压，是世界上最先进的精密步进电机驱动无阀计量泵。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。