This dissertation studies synchronous motor frequency-control speed regulation, the power-angle characteristics of Rare Earth Permanent Magnet Synchronous Motor and the software realization of high precise speed control. The improvement of IPM control circuit and protection circuit is also presented in the paper.
本文研究了同步电机变频调速的控制方法、稀土永磁电动机的功角特点以及实现高精度转速控制的软件实现方法，完善了智能功率模块控制电路和故障保护电路。
The analysis and research in this thesis guarantees theory foundation and experiment evidence to the future research in high speed and high efficiency of IPMSM used in EV.
本文所作的分析和研究还将为电动车驱动用IPM电机的高转速、高效率运行等后续研究提供一定的理论基础与实验依据。
The IPMSM control system experimental bench is built, and the software program is designed. The experiment results validates the correctness of the control method mentioned above, and the high torque exploitation under the circumstance of starting, rated speed and high speed is achieved. The reliability is greatly increased.
本文还进行了电动车驱动用IPM电机控制系统实验平台的搭建和软件程序设计，实现了理论分析和软件仿真的控制策略，通过实验研究验证了所用到的控制策略的正确性，并实现了电机在起动、额定转速、高转速的大转矩输出，大大提高了电机运行的可靠性。
EV demands IPMSM generate high torque while starting and running, which is the principal problem to be solved, including motor control structure and strategy selecting, precise detection of motor rotor position, precise detection of motor velocity, feasibility of the control method limited by hardware condition and realization of software program etc.
本文在IPM电机结构、原理、数学模型和工作限制曲线的基础上，对其矢量控制原理进行了详细地分析，并对直轴电流为零的控制、最大转矩电流比控制、弱磁控制及最大输出功率控制等矢量控制策略进行了深入分析。
The system can print at speeds up to 209.9 fpm or 916 full-color, two-up tandem duplex letter-size ipm.
该系统可以打印速度高达209.9 fpm或916全彩色，两个后续的信串联双工大小综合治理。
Application of sex pheromone of insects for monitoring and controlling is one of the important IPM strategies.
应用昆虫性信息素进行害虫监测和防治是害虫综合治理重要措施之一。
And this principle with the Division I adopted IPM (Intergrated Pest Management, Integrated Pest Management) are the same.
而这一原则与我司所采用的IPM（Intergrated Pest Management，综合虫害管理）是一致的。
IPM that has been widely used in the field of frequency conversion is one of the power integrate circuit.
变频产品中普遍使用的智能功率模块IPM是电力集成电路的一种。
By use of 5-doxyl stearic acid as spin label for ESR spectra measurement, Azone as skin penetration enhancer and egg membrane incorporated with IPM and cholesterol as experimental model, the major penetration enhancement mechanism of Azone had been assessed.
使用电子自旋共振波谱技术，采用5—doxyl stearic acid作为自旋标记物，新设计的镶嵌JPM和胆固醇的卵壳膜作为实验模型膜，进行Azone类透皮吸收促进剂的主要作用机理研究。
This paper researchs the principle of three-phase Voltage-Source reversible PWM inverter. The converter based on the intelligent power module is designed.
文章分析了三相电压型可逆PWM变流器的工作原理，设计了以IPM智能型功率模块为中心的三相可逆PWM变流器。
The covering L/ C will be established in due cour se, and we t rust t hat you will take all neces sa ry m easures to ensur e punct ual sh ipm en t.
我们将适时开立有关信用证，相信你方会采取一切必要措施以保证及时装运。
RESULTS the B cell density in the germinal center of splenic follicles had no significant alteration in each groups; the number of CD4+ T cells was significantly lower in pneumonia rats; IPM enhanced the number of CD3+ T cells; CAZ and AMK decreaed the number of CD3+ and CD4+T cells.
结果 5种抗生素对脾生发中心B细胞密度无显著影响；肺炎大鼠CD+4细胞显著降低；IPM使CD+3、CD+4细胞增多，呈现促进作用；CAZ使各细胞亚群均减少，尤以CD+8减少更明显；AMK降低CD+3、CD+4细胞，呈现抑制作用。
This web site provides information about pest managment information for vegetable production in the Midwestern U. S., European corn borer and corn earworm information, weather information, IPM supplier directory, news, etc.
这里提供了美国中西部蔬菜害虫的防治情况、欧洲玉米螟信息、天气情况、害虫综合防治机构目录、新闻等信息。
Vegetable Production Pest Fact Sheets; European Corn Borer and Corn Earworm Information; What's New; Weather Watch; IPM Supplier Directory; News Releases
蔬菜产品害虫情况说明书；欧洲玉米螟和害虫幼虫信息；最近更新；天气预报；害虫综合防治机构目录；新闻发布
This review provides a broad overview of etiology, mechanism of pathogenesis and host resistance and IPM strategies involved in maize stalk rot and ear rot diseases in China.
本文综述了我国在玉米茎基腐病和穗腐病病原学、致病性和寄主抗性机制与综合治理的研究进展。
While the problem is solved by IPM, KKT (Karush-Kuhn-Tucker) matrix is a block diagonal bordered matrix. To solve this special kind of large-scale nonlinear programming problem, a predictor-corrector decomposed IPM is proposed.
针对这样一类特殊的大规模非线性规划问题，提出了预测——校正解耦内点法，采用分块LU分解技术和分块三角矩阵求解实现预测——校正环节与解耦技术的融合。
Moreover, it makes the coefficient matrix of centralized IPM`s linear correction equation a block diagonal bordered matrix, which can be decomposed into the constraints equation on internal variables of independent sub-areas and coupled constraints equation. During each IPM iteration, internal variables and coupled variables are solved distributedly; thus distributed algorithm of multi-area ORPF is implemented.
在此基础上，论文将该线性方程分解为相互独立的子区域内部约束方程和复制节点的耦合约束方程，在每次内点法迭代中分布分块求解内部变量和耦合变量，从而实现多区域无功优化的分布式计算。
The novel method is based on the salient effect and magnetic saturation effect of the IPM PMBLDCM.
针对内置式永磁无刷直流电机的特点，提出了一种新型电加热管的转子初始位置估计方法。
Electric drive system is the key component of the EV, because it is supposed to develop the drive characteristic, road haul and reliability.
电动车在起步和运行时，要求IPM电机能输出最大的转矩，这是应当首要解决的问题。
This paper summarizes the effects of chemical pesticides on the main physi-ological and biochemical indices such as photosynthesis, primary nutrients, secondary substances, secondary metabolism, active oxygen metabolism, changes in enzyme content, root...
综述了化学农药对作物光合作用、主要营养物质、次生物质及次生代谢、活性氧代谢、体内酶的变化、根系活力及生长调节物质等主要生理生化指标的影响。提倡应用IPM措施进行治理。