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- The varying characteristics of motor current in vari-speed cutting are discussed in this paper. 本文就变速切削过程中电机电流的变化特征进行了较为系统的研究。
- Years in the motor current is outside the power supply from the induced electromotive force and the direction of armature current I in opposite directions. 在电动机里电流是由外电源供给的感生电动势的方向和电枢电流I方向相反。
- Then the current controller was designed using active disturbance rejection controller (ADRC).The motor current was driven to its reference value by ADRC. 然后应用自抗扰控制器(ADRC)设计电流控制器得到最终所需的输入电压,使电机的电流收敛于参考值。
- This paper presents a review of various faults detection methods, theory and put emphasis on the so-called MCSA method (Motor Current Signature Analysis). 分析了异步电机各种常见故障的原因及常用的诊断方法，重点研究了定子电流频谱分析法(MCSA)的诊断原理。
- The system took IPC as main controller and used the Holl current sensor to monitor the spindle motor currents. 该系统以工业PC机为主控机，用霍尔电流传感器监测主轴电动机电流。
- The basic principle of subdividing drive is to produce many neutralities in synthesize magnetic field for subdivision by controlling the motor current ascend or descend in given rule. 其基本工作原理是通过控制电机各相绕组中的电流,使其按照一定的规律上升或下降,相应的合成磁场也将出现多个稳定的中间状态,实现细分步距旋转。
- The breakdown of transmission shaft in the main drive system is due to too high roll torque.Overpower protection mode of motor current does not reflect the true dynamic character of roll torque. 轧制力矩过大是轧机主传动系统传动轴断裂的主要原因,传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。
- The theoretical analysis and experimental results demonstrate that the motor current has some fluctuation in vari-speed cutting process, but it is almost no effect on normal operation of machine tool. 理论分析和试验结果表明,采用变速切削加工时,电机瞬时电流确有一定程度的波动,但不影响机床电机的正常使用;
- The significant factors which exert an influence on instantaneous fluctuation of motor current are in sequence :Vari-speed wave form, vari-speed amplitude and vari-speed frequency. 在变速参数中影响电机瞬时电流波动最为显著的因素依次为变速波形、变速幅度和变速频率。
- In order to solve the problem that dynamometer can't be directly used for intelligent NC machining. the feed motor current is employed for indirect cutting force measurements with this model. 针对智能化数控加工中测力平台并不实用的问题，应用该模型和交流伺服电机电流进行切削力的间接测量。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Motor current signal analysis (MCSA) 电机电流信号分析（MCSA）
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。
- The motor launch was fitting out as a fishing boat. 这艘摩托艇正在装备成渔船。
- She broadcasts on current affairs. 她发表时事广播演说。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- Our language goes current along the seacoast. 我们的语言通用于沿海一带。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- Remove the motor when you lay up your boat. 船闲置不用时，你要把发动机拆下来。
- The motor boat was tearing along in the high wind. 快艇在疾风中顺风飞快地行进。
