The basic idea is to adjust the flux reference on the basis of the torque error, thus determining a spontaneous flux weakening. 该策略最基本的思想就是使磁链给定值跟随着转矩误差的变化。
Basic Characteristics of Surface Heating Flux During a Spring Dust Storm Process in North-west China Research Progress in River Transport of Sediments and Associated Particulate Nutrients 西北地区一次沙尘暴过程的地表热通量特征河流输送泥沙和颗粒态生源要素通量研究进展
Experimental study on anti-hygroscopic basic agglomerated flux 抗吸潮碱性烧结焊剂的试验研究
This paper introduces the basic principle, structure, calibration methods and application of the heat flux meter. 本文综合国内外的有关资料,就热流传感器的原理、结构、分类、标定方法以及应用等方面作概要介绍。
The thesis simply introduce the basic principle of torque servo control with transient flux, and points out position observer and correspondings flux observing model based on stator flux linkage proportionality method. 简述交流电机动态磁通转矩控制的基本工作原理,提出了基于定子磁链比值法的位置观测器以及相应的磁通观测模型。
The article describes the basic principle, control hardware configuration, technical parameter and function of flux leakage test. 简要叙述漏磁探伤的基本原理,介绍它的控制系统硬件结构,技术参数和具体功能。
This thesis analyzed theory of micropump and built the basic equation of micropump model, solved the flux and pressure of micropump. 本文对微泵进行了理论分析,建立了微泵模型的基本方程,求出了流量、压力。
Development of basic covering flux for tundish 中间包用碱性覆盖剂的研制
Basic principles of the passively rotated flux compressed pulsed alternator and electromagnetic launchers have been presented. 介绍了被动式旋转磁通压缩发电机和电磁轨道炮的基本原理。
A new physical flux for diagnosing wave on the basic flow eliassen-palm flux 一个诊断基本气流中波动的新物理量&Eliassen-Palm通量
From the basic theory, it is concluded that the concept of electromagne-tic energy flux density is of no physical meaning to static fields. 本文从基本原理上判定电磁场的能流密度概念在静场中是没有物理意义的。
The basic concepts, measurment methods and mutual relationship of radiant flux and luminous flux are discussed. 讨论了辐射通量和光通量的基本概念、测量方法及相互之间的关系。
The rules of winding inductance and current changing with the position angle of rotor and the basic relation between flux linkage and current are investigated, assuming that the magnetic circuit of SR motor is linear. 在假设SR电机磁路是线性的条件下,分析了绕组电感和绕组电流随转子位置角的变化规律以及磁链与电流的基本关系;
Influence of fluoride compounds on welding technicality of basic flux cored wire 氟化物对碱性药芯焊丝焊接工艺性能的影响
Basic study on destruction of tantalum target bombarded by high energy flux pulse electron beam 高能通量脉冲电子束作用下钽靶破坏初步研究
In hot strip laminar cooling system, The basic heat flux density of water cooling model is the most important parameter to determine the precision of control, so choose a proper basic heat flux density has an important mean to the accuracy of the coiling temperature. 其中水冷模型中的基本热流密度是决定卷取温度控制精度的重要参数,选取合适的基本热流密度对提高卷取温度精度具有重要的意义。
The results show that the technicality of basic flux cored wire can significantly be improved if the suitable percentage of fluoride compounds was added into the flux powders of flux-cored wires. 研究结果表明,碱性药芯焊丝的药芯粉中含有适量的氟化物,能显著地提高碱性药芯焊丝的焊接工艺性能。
These results are basic not only to calculating of the motion of thin magnetic flux tubes but to giving definite conditions correctly as well. 这些结果是用特征线法研究细磁通量管运动的基础,也是正确提出定解问题的依据。
Aim at magnetic sensor technology, this thesis discussed the basic principles, function characteristics of Hall compass, flux gate compass, magnetoresistance compass and giant magnetoresistance compass and their applications in the field of navigation. 针对磁传感器技术发展中存在的问题,论述了霍尔罗经、磁通门罗经、磁阻罗经和巨磁电阻罗经的基本原理、工作特点及其在航海上的应用。
Study on Impurity-absorptivity of Basic Tundish Covering flux 碱性中间包覆盖剂吸附夹杂能力的研究
The basic characters for flux transfer events at the dayside magnetopause are studied with a two-dimensional compressible MHD simulation, compared with the re sults of the incompressible model, and their applicable ranges are given. 用二维可压缩MHD方程组模拟研究了地球向阳面磁层顶区通量传输事件(FTEs)的基本特性,并与不可压缩情况下的结果进行了比较,指出了二者的适用范围。
The computational scheme and the basic idea of the Flux Corrected Transport ( FCT) method are studied in the paper. 阐述了通量修正输运法(FCT方法)的计算格式及其原理。
It expounds all the indexes influence and basic needs on Mn recovery ratio to less flux method for smelting high carbon ferromanganese, analyzes less flux method of Si-Mn and puts forward its reasonable control method. 阐述了锰回收率对少熔剂法冶炼高碳锰铁各项指标的影响及基本要求,分析了少熔剂法富锰渣对锰硅冶炼工艺的影响,提出了少熔剂法锰回收率的合理控制方法。
This paper gives the basic design formula of the flux with uniform design method and the experiment design formula through tests of the flux melting property and welding performance. 利用均匀设计安排试验基本配方,通过对烧结焊剂熔化特性和焊接工艺性能试验确定试验配方;
The PVC ultrafiltration hollow fiber membrane was used to purify crude ginkgo biloba extract. The basic operating parameters, ultrafiltration backwashing cycle, backwashing time, membrane flux attenuation variation were determined, and also the best operational way and backwash way were investigated. 然后利用中空纤维聚氯乙烯(PVC)膜超滤提纯银杏黄酮粗品,确定了基本运行参数、超滤反洗周期和反洗时间、膜通量的衰减变化规律及最佳运行方式和反洗方式。
Mathematical model used by controlling frequency is given, then theoretically analysed the basic principles of direct torque control, hexagonal and circular flux trajectory control method, and the algorithm of non-speed sensor technology. 给出了交流异步电动机变频调速所应用的数学模型,并从理论上分析了直接转矩控制的基本原理,六边形和圆形磁链轨迹控制方法,以及无速度传感器技术的算法。
The basic formulas are Fay-Riddell balance boundary layer stagnation point heat flux formula and Lees 'formula. 基本公式为费-里德尔(Fay-Riddell)平衡边界层驻点热流密度公式,李斯(Lees)层流热流分布公式。
Theory of the DC magnetic flux leakage testing methods are analyzed to illustrate the basic principles of DC magnetic flux leakage testing, and the introduction of finite element analysis of electromagnetic field theory. 从理论上对直流漏磁检测方法进行了分析,说明了直流漏磁检测基本原理,然后引入电磁场的有限元分析理论。
Its basic principle is changing the angle between stator flux and rotor flux by adjusting the rotating speed of stator flux while the amplitude of stator flux is constant, then the electromagnetic torque and rotor speed are controlled. 其基本思想是在保持磁链幅值不变的情况下,通过调整定子磁链的旋转速度来改变定子磁链与转子磁链间的夹角,以达到控制电磁转矩,进而控制电机转速的目的。