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- motor current error 电机电流误差
- 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。
- Based on the analysis, the current error feed-forward decuple controller is present, which hardly relies on the input inductance and does not rely on the synchronous. 在此基础上提出了电流误差前馈解耦控制策略，通过比较研究表明该策略对输入电感值的依赖大大减弱，而对旋转频率则无任何依赖。
- 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。
- Secondly, the method and process of the design of fuzzy controller in which welding current error and the changing rate of welding current error is used as fuzzy inputs, and the increment of the controlling angle of SCR as fuzzy output. 其次，介绍了以焊接电流误差、焊接电流误差变化率为输入，可控硅控制角增量为输出的模糊控制器设计方法与过程。
- The paper analyzes the relationship between position phase error and freewheel current of silent phase.It is noted that freewheel current error can exactly reflect position phase error. 分析位置信号相位与非导通相续流电流的关系，指出非导通相续流电流偏差能够准确地反应无位置传感器无刷直流电机位置信号相位误差。
- Using spatial distribution between current error vector and the reference voltage vector,this method gives the best voltage vector to minish current error control in the reasonable scope. 该方法利用电流误差矢量与参考电压矢量之间的空间分布给出最佳的电压矢量输出,使电流误差控制在合理的范围之内。
- The control characteristic of basic DMC algorithms is not ideal when there is serious modeling dismatching, for the feedback correct only use current error and this led to the deficient correct. 摘要在DMC基本算法的基础上，利用误差的历史数据构建误差向量，以提高系统克服建模误差及抗干扰的性能。
- 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。
- current error correction principle 现行纠错原则
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Error compensation of measuring motor current with Hall sensor 霍尔传感器检测电动机电流的误差补偿
- The motor launch was fitting out as a fishing boat. 这艘摩托艇正在装备成渔船。
