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- The staged production breaks through the study headway of virtual RHEED experiment system. 该阶段性成果使得虚拟RHEED实验系统的研究开发有了突破性进展。
- [3]Chen R,Gong SG,Zhang WG,et al.The molecule imaging study headway of the breast cancer[J].Foreign Medical Sciences,Fascicule of Clinical Radiology,2003,26(2):89-92. 陈蓉;龚水根;张伟国.;乳腺癌分子水平的影像学研究进展[J]
- Direct Torque Control (DTC) method is analyzed and the application of DTC to Permanent Magnet Synchronous Motor (PMSM) is discussed. 分析了直接转矩控制的原理 ,在此基础上 ,探讨了其在永磁同步电机控制中的应用。
- Study headway of DTC-PMSM 永磁同步电机直接转矩控制的研究进展
- The model simulation results indicate the validity of the proposed DTC system for PMSM,and the proposed method can improve the performance of DTC system. 仿真和实验结果表明控制系统的性能得到了显著改善，证明了模型的有效性。
- This paper introduces the newest headway of Al-Li alloys for aerospace. 其应用范围已从航空领域逐渐扩大到航天领域,文中简要介绍这种仑金在航空航天领域应用的最新动向。
- Study on the the control effect of zero voltage vector in DTC and a modified strategy of DTC of PMSM. The simulation experiment results show that they could restrain torque ripple availably. 研究了零电压矢量在直接转矩控制中的作用和一种改进的永磁同步电机直接转矩控制策略，仿真结果表明将零电压矢量引入控制和改进的策略都能明显抑制系统转矩脉动。
- The adoption liquid of left right side urn presses the synchronous way, and guarantee the synchronous headway of left right side urn to squeeze. 左右侧缸采用液压同步方式，保证左右侧缸同步前进挤压。
- The simulation results verify the feasibility of this method, reduction of the flux and the torque ripple, and the good performance of DTC. 仿真结果表明该方法有效抑制磁链和转矩脉动，具有传统直接转矩控制固有的优良性能，而且具有恒定的开关频率。
- In other words, vehicles need a headway of around six lengths for the traffic to flow smoothly. 换言之，每辆车需要大约六个车身距离才能保证车流运行畅通无阻。
- Results The overall 10-year survival rates of 181 cases of DTC were 93.6% respectively. 结论181例中青年分化型甲状腺癌的10年生存率为93·6%25。
- Do not relax policy, of old set pattern manacle cannot break through, reform gains the headway of materiality hard. 不放宽政策, 旧的框框的束缚就无法突破,改革 难以取得实质性的进展。
- His years of study were useful in his job. 他多年的学习有助于他的工作。
- Compared with Vector Control, the main advantage of DTC is that it directly controls flux and torque. 与矢量控制相比，直接转矩控制的主要优点是直接对电机的磁链和转矩进行控制。
- This article includes the domestic and foreign research headway of theories on the utilization of FI and the tendency in China under new conditions. 论文阐述了国内外对利用外资理论的研究进展和新形势下我国利用外资研究的新动向。
- Her social life get in the way of her study. 她的社交生活妨碍了学业。
- In order to realize high accuracy of real-time control of speed and torque, a kind of DTC speed controller based on sliding mode variable structure is designed. 摘要为了实现交流感应电机的速度及转矩的实时高精度控制，设计了一种滑模变结构直接转矩速度控制器。
- The primary purpose of this paper is to discuss the latest headway of the spleen deficiency in the two aspects of the Immunology and Molecular Biology. 文章从免疫及分子生物学两个方面，论述了脾虚证的最新研究进展。
- 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。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
