英汉例句

• a fuzzy logic method is introduced to the conventional pmsm dtc system in this thesis to improve the steady state performance of the system.

  为提高系统的稳态性能，本文首次引入模糊逻辑到永磁同步电机直接转矩控制中。

• the develop instance of dtc system is summarized systemically in this essay, and the basic theory of dtc system is introduced particularly.

  本文系统综述了直接转矩控制系统的发展情况，并对直接转矩控制的基本理论和原理进行详细的介绍。

• for the purpose of quick and accurate control of torque and flux, the new scheme apply sliding control algorithm to dtc system and drive stator flux trajectory as an approximate circle.

  该方案控制定子磁链按近似圆形轨迹运动，对转矩和磁链采用滑模控制，以实现转矩和磁链的快速準确地调节。

• dtc system based on tms320f240 dsp is designed. the elements and the structures of its hardware and software are introduced with its flow chart.

  本文作者设计了一套基于tms320f240dsp芯片的异步电机直接转距控制系统，介绍了其原理、软硬件结构及工作流程。

• the dtc system has been widely used in recent years with its simple structure and static-dynamic capability since the theory of dtc was put forward in the 1980s.

  自上世纪80年代异步电机直接转矩控制系统提出后，它就以其简洁的系统结构和优良的静动态性能得到了很快的发展。

• first, the speed estimator and model reference adaptive control which both adapted to the speed sensorless dtc system are proposed on the basis of analyzing the principles of dtc.

  首先，本文在分析直接转矩控制基本理论的基础上，介绍了直接计算法和模型参考自适应法两种适用于直接转矩控制的无速度传感器转速估算方法。

• in this thesis the author made a study of asynchronous motor model, designed a hybrid simulation system of dtc and analyzed the characteristics of the dtc system and the existing problems.

  本文研究异步电动机的数学模型，并构建了直接转矩控制混合仿真系统，对直接转矩控制方法的特点及其存在的问题进行了理论与仿真分析研究。

• dtc strategy about pmsm in ev drive is proposed, a dsp-based dtc system is developed and experiment result proves the feasibility that dtc technique can be applied to pmsm in ev drive.

  给出了电动汽车驱动用永磁同步电动机直接转矩控制策略，开发了基于dsp的直接转矩控制系统。实验结果表明直接转矩控制技术应用于电动汽车驱动用永磁同步电动机是可行的。

• simulation results show that this fuzzy-neural network estimator can precisely measure the value of resistance and improve the low-speed performances of dtc system efficiently.

  仿真结果表明了模糊神经网络观测器可实现对定子电阻的精确检测，从而提高直接转矩控制系统的低速性能。