查询词典 motor-driven

A coaxial pintle motor was designed and some preliminary tests were carried out. These experimental results can provid referrence for pintle motor study.

设计了同轴式喉栓变推力试验发动机并进行了初步试验，试验验证了同轴式变推力发动机结构设计的合理性。

The main contents and results are included as following:The main influence factors on thrust adjusting character of pintle motor were sumarized. The influence of burning rate exponent and throat diameter on thrust was analysed and the relationship between pressure and thrust ratio of pintle motor was obtained.

本文研究内容及主要成果如下：(1)从理论上分析了喉栓变推力发动机推力调节特性的主要影响因素，揭示了推进剂压力指数和喷管喉部面积变化对推力调节特性的影响规律，给出了压力调节比和推力调节比之间的转变关系。

Comprising of Motor mount, motor plate and battery cases the kit can be quickly and easily put into the chassis.

包括汽车发动，马达板和电池情况下，试剂盒可以快速，轻松地放入机箱。

Comprising of motor mount, motor plate and battery cases the system still needs you to get the electrics to power it for which Speed Passion offer their Silver Arrow V10 electric motors and electronic speed controller.

组成的机动装载，汽车板和电池的情况下，系统仍然需要你获得电气以权力为高速激情提供银箭V10发动机和电动马达电子调速控制器。

The platen is the fixed part of the motor and its length will determine the distance the motor will travel.

屏的固定部分的电机及其长度，将决定的距离将汽车旅行。

Ultrasonic motor is a new type direct drive motor emerging with the development of high power density piezoelectric materials.

超声电动机是随着高功率密度压电材料的发展而出现的一种新型直接驱动电机。

Based on the existing problem the idea of designing multi-power induction motor was performed. The multi-power induction motor can change its output power according to the loading variation, and it can do some help for energy saving.

根据这种存在的问题，本文提出了多功率异步电机设计思想，可根据负载的变化选择合适的功率等级，节约了能源。

"If the cranking motor is to be checked with a jumper cable from the cranking motor to the Battery ,first disconnect the distributor primary lead from the ignition coil , and then turn the ignition switch to ON."

如果用连接起动电机和蓄电池的跨接电缆检查起动电机，应把分电器初级线圈从点火线圈上拆下，然后打开点火开关。

"If the crank ing motor is to be checked with a jumper cable from the crank ing motor to the Battery ,first disconnect the distributor primary lead from the ignition coil, and then turn the ignition switch to ON."

如果用连接起动电机和蓄电池的跨接电缆检查起动电机，应把分电器初级线圈从点火线圈上拆下，然后打开点火开关。

A new brushless DC motor DTC scheme was studied to solve those problems associated with direct torque controlof brushless DC motor,such as difficulty to control flux and complexity to estimate torque.The flux hysteresis controller was ignored in the constant torque region and an improved method was proposed to make the estimation of torque easier.The proper stator voltage space vector was selected based on the output of the torque hysteresis controller and the sector which the current rotor flux locates in.

摘 要：针对无刷直流电机直接转矩控制中磁链观测困难、控制复杂等问题，提出了一种应用于无刷直流电机二二导通方式下的新型直接转矩控制方法：在电机基频以下调速时，略去了常规的磁链观测控制环节，改进了转矩计算方法，通过转矩滞环控制选择所施加的空间电压矢量。

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。