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- Abstract: In order to improve the observing precision of the stator flux observer of DTC systems, a new adaptive stator flux observer is proposed. 文摘:为了提高直接力矩控制系统中定子磁链的观测精度,提出了一种新的定子磁链自适应观测器。
- In order to improve the observing precision of the stator flux observer of DTC systems, a new adaptive stator flux observer is proposed. 为了提高直接力矩控制系统中定子磁链的观测精度,提出了一种新的定子磁链自适应观测器。
- Novel Motor Stator Flux observer Based on PLL 新型锁相环定子磁链观测器
- Hybrid Stator Flux Observation Estimator 混合磁链模型观测器
- stator flux observing 磁链观测
- Implementation of Stator Flux Observer in DTC System with Neural Network DTC系统中定子磁通观测器的神经网络实现
- A Flux Observation Model of Induction Motor Based on Stator Flux Oriented Vector Control 一种基于定子磁场定向矢量控制的异步电机磁链观测模型
- stator flux observer 定子磁链观测
- CLV control method based on the stator flux orientated vector control put forward. 从电机的动态数学模型出发,提出了一个基于定子磁场定向的矢量控制恒线速运行控制方案。
- With this flux observer, the stator resistance and rotor resistance, which vary with motor temperature, are identified simultaneously. 该观测器在观测定子磁链的同时也辨识了随温度变化的定、转子电阻。
- Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux. 直接转矩控制的感应电动机的速度控制需要有效地建立定子磁通。
- The results of simulation indicated that the modified observer can estimate accurately the stator flux linkage when motor running at widerange speed. 仿真结果表明,该磁链观测器能在宽调速范围内精确地估算电机定子磁链。
- The simulation and experiment results showed that this method gives satisfied estimation of stator flux and improve direct torque control syst. 仿真和实验结果表明,该方法能够提高磁链的观测精度,增强系统的鲁棒性,并能使直接转矩控制系统的低速性能得到较大的提高。
- An accurate EKF observer was studied which estimates angular speed and position of the rotor, stator flux linkage and torque of IPMSM. EKF对永磁同步电动机的转子位置、角速度、定子磁链和转矩进行了精确参数估计。
- Based on this,the flux regulator of induction motors is discussed,and the condition of stator flux asymptotic tracking control is presented. 进一步讨论了感应电动机磁链控制模型,给出了定子磁链渐近跟踪控制的条件。
- Due to the stator resistance parameter's variance and the low pass filter (LPF), the classic estimation of stator flux is not satisfactory, especially in low-speed operation. 由于定子电阻参数变化及低通滤波器的影响,尤其低速运行时,传统定子磁链估计方法的估计精度及快速性往往很差。
- The basic theory of the AC excited VSCF wind power generation system and the vector control technique oriented by the stator flux of the generator was introduced. 介绍了交流励磁变速恒频风力发电系统运行的基本原理及发电机的定子磁链定向向量控制技术。
- Based on the relationship between real and estimated values of the stator flux linkage, the compensatory formulas of the estimated flux linkage and its principle block diagram were presented. 这种方法在采用低通滤波器代替纯积分环节的基础上,根据定子磁链的实际值与估计值之间的关系,推导出估计磁链的补偿公式,给出了原理框图,并对观测结果进行了仿真比较。
- Adding a speed observer, a slip frequency calculator and a torque current component limiter to the SFO vector control system, a speed sensor-less vector control system based on stator flux orientation is formed. 在矢量控制系统中采用定子磁场定向,并进一步加入了转速估计、转速调节闭环、转差计算和常用的转矩电流限幅等重要环节,构成了一种无速度传感器矢量控制变频调速系统。
- With adjusting the torque error by a PI controller, the load angle of next sample period is calculated.Combined with the rotor flux position, the anticipant stator flux vector is obtained. 通过对转矩偏差进行PI调节,获得下一周期的负载角,结合转子磁链的位置得到期望的定子磁链矢量。