查询词典 control vector

However, this system often has a large overshoot and/or an oscillated response caused by both a windup phenomenon and phase error on the vector control condition.

然而，这一制度往往有一个大的超调及/或一个振荡反应所造成的，既是结束现象相位误差对矢量控制的情况。

In constant torque region, the phase-independent direct torque control can be obtained by controlling the motor current of each phase without resort to vector transformation.

在恒功率运行时，本文采用相电流相位超前反电势的方法，利用绕组电抗电势削弱反电势来解决电流控制失效的问题，有效扩展了高速运行范围。

Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

建立变频液压容积调速和节流调速相结合的复合调速系统，通过分析矢量控制三相异步电机的原理，利用AMESim软件建立了矢量控制的三相异步电机的仿真模型，并与液压系统仿真模型相结合，建立了矢量控制变频液压容积节流调速系统的仿真模型。

A novel approach to position sensorless vector control system of permanent magnet synchronous motor based on active disturbance rejection controller is presented in this paper.

利用自抗扰控制器理论，提出一种新颖的永磁同步电动机无位置传感器矢量控制系统。

We can select the proper voltage vector by the position and magnitude of stator flux as well as the magnitude of torque to keep the system under control even at the range of all speed.

目前的直接转矩控制系统绝大多数采用二极管整流的交-直-交结构，可是这种结构给电力系统造成了严重的谐波"污染"。

MATLAB simulation results show that the instantaneous symmetrical components detect the positive sequence voltage component accurately ,the result of current tracking of the space vector control is good.

MATLAB仿真结果表明，改进的瞬时对称分量法准确的检测出了a相电压正序分量，空间矢量控制电流跟踪效果良好。

Numerical simulation shows that as long as the proper linear feedback control parameter vector is chosen, it is easy to achieve the rapid synchronization between the driving system and response system.

数值仿真证明，只要选择合适的线性反馈控制增益矢量，就可以容易地实现驱动系统与响应系统之间的快速同步。

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。

Indnction motor ; Adaptive genetic algorithm ; PID parameter redressal ; Vector oriented control

受生物进化启示发展而来的遗传算法作为求解最优解有效手段为控制系统中PID参数的优化提供了一个新的途径，无

Secondly, we propose a kind of"regressor vector-based"nonlinear adaptive control scheme.

然后，提出了一种"基于回归向量"的非线性自适应控制方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。