self-excited motor

Aiming at the obstinate after-working impulse and big thrust deviation of motor after depleted shutdown, a new hybrid orbit self-adaptive guidance scheme which combines velocity increment cutoff ( VIC) and terminal velocity matching correction was put forward.

针对固体火箭发动机在指令关机后存在量级小但顽固的后效冲量及推力偏差大等问题，提出了将速度增益制导（VIC）、末速匹配修正二者结合的混合轨道自适应制导方案。

Then on the basis of filtration theory, do experiment on the mic-instillation of self lubricating axial piston motor.

根据渗流理论，对研制的自润滑轴向柱塞马达做了微量滴注的试验。

Principle and Research Status of Slotless Lorentz Self-Bearing Motor

无槽洛仑兹力无轴承电动机原理和研究现状

Design principle and basic construction of the self developed model D ( T) N2 200 ( 400) single purpose projection welding machine for motor vehicle brake shoe and control principle, property and features of the model KD ( T) 2051 microcomputer controller are presented.

介绍了所研制的D（T）N2－200（400）型汽车制动蹄专用凸焊机的设计原理、基本结构以及KD（T）－2051型微机控制器的控制原理、性能及特点。

A conventional fixed pitch vertical axis turbine cannot usually start rotating on its own and only is able to work efficiently at very high tip speed ratios. As a result, a self-start motor will be required.

而传统的定桨距垂直轴水轮机构通常不能够独立的启动旋转且只能在非常高的速率下有效地工作，因此自启动马达是必需的。

It has been proved both by the test and by the theoretical analysis that the self-cooled induction motor of the enclosed type dif-fuses its heat in such a passage: the winding → the stator core → the frame → the ambient medium.

实验测试与理论分析都证明：自扇冷式封闭型感应电动机的散热路径为绕组→定子铁心→机座→周围介质。

The California Department of Motor Vehicles began giving permits in April for companies to test truly self-driving cars on public roads ．

加州机动车辆管理局（California Department of Motor Vehicles）从4月份开始发放许可证,允许公司在公共道路上测试真正的自动驾驶汽车。

The Closed-Loop-Cooled dry-pIt'submersible motor design utilizes a patented cooling self-contained cooling system.

闭环 冷却干井潜水电机设计采用专利技术的自动冷却系统.

Starting Performance Analysis of Self-Start Rare Earth Single-Phase Permanent-Magnet Synchronous Motor The physical origin of the ferromagnetism and antiferromagnetism was explained.

自起动稀土永磁单相同步电动机起动性能分析对材料产生铁磁性和反铁磁性的物理根源进行解释。

Research on a Kind of Self correction Ultrasonic Motor Using Standing Wave

驻波型自校正超声电机的研究