On the basis of the mathematical model of induction machine, simplified mathematical model is deduced, at the same time the theory of DTC is introduced with the concept of space vector.
本文从异步电机的数学模型出发，推导了异步电机简化数学模型，同时结合空间矢量的概念介绍了直接转矩的基本原理。
Furthermore, this approach can be extended to induction machine modelling taking into account other phenomena such as temperature and skin effects.
另外这种方法还可以推广到考虑其他影响因素的电机，比如温度和集肤效应时的电机建模。
The precise motor parameters affect the quality of the motor control system seriously in high performance ac drives of induction machine.
感应电机高性能交流调速方法中，电机参数的准确性严重影响着电机控制系统的控制品质。
On the basis of the superposition principle and Laplace transformation, the process of the transient state under different short circuit states of induction machine is analyzed.
本文在叠加原理和拉氏变换方法的基础上，分析了感应电机在不同的短路状态下瞬态过程。
A mathematical model of the system was built using a vector-controlled induction machine driving a flywheel.
基于飞轮储能系统里矢量控制的感应电机，建立了系统的数学模型。
The latest developments of current controllers employed in high performance induction machine drives are reviewed.
简要地综述了高性能感应电机电流控制技术的最新进展。
Thermal expansion Pipe adopted by two-step pipe mill set for expansion cone-type mold Expanding skills numerals medium-frequency induction heating skills skills in a hydraulic machine.
热扩钢管采纳的二步促进式扩管机集锥模扩径技能，数目字中频感应加热技能，液压技能于一机。
The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model.
在感应电动机无速传感器矢量控制系统中，在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
This paper mainly does research for the numerical simulation of temperature distribution of barrel of injection molding machine in electromagnetic induction heating.
本文主要研究电磁感应加热器加热注射机料筒时料筒温度分布的数值模拟。
An off-line parameter estimation technique to determine the parameters, which are necessary to implement the vector control of the induction machine, is presented in this paper.
详细介绍了感应电动机矢量控制系统电机参数的一种离线辨识技术。
The limit conditions for the end voltage of the induction machine are derived, according to the asymmetric condition of the machine stator winding.
考虑感应电机定子绕组接线的不对称情况，推导出电机端电压的约束条件。
Data mining is an intercrossed subject, involving many fields such as machine learning, model reorganization, induction and deduction, statistics, database and high performance calculation.
数据挖掘是一门交叉性学科，涉及机器学习、模式识别、归纳推理、统计学、数据库、高性能计算等多个领域。
The simulation of induction is very important in machine learning. induction is a common object of many science's investigations.
在机器学习中对归纳的模拟是特别重要的。归纳是多种学科的共同研究对象。
The paper points out the characteristics of the design and calculation of double voltage single-phase induction moter with capacitance starting, and analyses the circuit model of the machine.
本文讨论了双电压单相电容起动异步电动机的设计特点，着重分析了该电机起动时的等效电路。
During induction heat treating of pump tube, quenching machine tool plays a key role to fulfill the required properties.
在成套泵筒感应热处理设备中，淬火机床对满足性能要求起着关键作用。
Company in early 2007 the focus of research induction annealing tinning machine, power-saving rate and old-fashioned electric wire annealing machine compared to up to 70%.
公司于2007年初重点攻关感应式退火镀锡机，节电率和老式电热丝退火机相比最高达70%。
Under the condition of drastically changed induction machine parameters and load torque, the simulations of the control strategy and exact feedback linearization method are performed respectively.
在急剧变化的感应电机参数和负载转矩的条件下，模拟的控制策略和精确反馈线性化方法分别进行。
The electrical control part of RX-300 hot spinning machine consists of five sys- tems: (1) mid-frequency induction heating system;
300热旋压机的电气控制部分分为五个系统：（1）中频感应加热系统；
As a result, the generating action of the induction machine will cause the power flow to reverse and the kinetic energy of the drive system will be fed back to the supply.
结果，由于感应电动机为发电机，功率流将反向，拖动系统的动能将被反馈回电网。
A new numerical control vertical universal induction hardening machine is introduced in this paper.
介绍一种新型数控立式通用感应淬火机床。
Currently should course teaching mode for adopt still is tradition of knowledge induction way, and assistance above machine practice.
目前该课程所采用的教学模式仍然是传统的知识传授方式，并辅助以上机实践。
All of these found the theoretical basis for the transient analysis of unbalanced short circuits for induction machine.
全文为普通和双笼感应电机不对称短路的瞬态分析建立了理论基础。
Through the electromagnetic induction sealing machine to induction heating bottle cap so that the bottle and the aluminum foil are bonded together to form a reliable hot-melt sealing.
经电磁感应封口机局部感应加热，铝箔与瓶体即粘接为一体形成可靠的热熔封口。
Hydraulic transmission technology is used in the push-bend power system and operational system of the induction bending machine, which is one of the features of the machine.
中频弯管机床的推弯动力系统和操纵系统均采用液压传动是我们研制的中频弯管机床的特点之一。
The induction airflow dispersion plate is arranged under the machine shell and comprises a faceplate and a frame.
诱导式气流扩散板配置于机壳的下方。
Introducing the principle, construction and technological parameters of machine tool changement. This paper calculates some design data such as electro-magnetic induction circuit and coil.
介绍机床改装原理、结构和技术参数，对电磁感应器磁路及电磁线圈参数进行了有关的计算。
This paper will focus on the math model and control method of an induction machine based four ports electromechanical converter (EVT).
本论文主要就感应式四端口机电能量变换器（EVT）的数学模型以及控制方法展开研究。
The mechanical energy of flywheel is charged or discharged by controlling the speed of the induction machine.
采用感应电机调速控制，实现了飞轮中机械能的存储和释放。
The mechanical energy of flywheel is charged or discharged by controlling the speed of the induction machine.
采用感应电机调速控制，实现了飞轮中机械能的存储和释放。
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