On the assumption of "Y", a three-dimensional model is obtained for the linear acoustic combustion in a rocket motor.
通过提出一个“Y假设”，本文求得了一个固体火箭发动机线性声振荡燃烧的三维理论模型。
Finally, according to the knowledge of the motor, derives out the mathematics model of the linear motor. On this basis, designs the electromagnetic lifting system with PLC.
最后，根据电机学的知识，推导出了直线电机的数学模型，并在此基础上，设计了采用PLC控制的电磁举升系统的控制部分。
Based on the linear time-varying MIMO mathematic model of the brushless DC motor, this paper proposed a method to design a speed observer.
基于无刷直流电机的线性时变多输入一多输出(MIMO)模型，提出一种速度观测器的设计方案。
In this paper, a linear induction motor is taken as an example, the whole motor model is solved, and its magnetic field is calculated by finite element method.
以直线感应电动机为例，将整个直线感应电动机模型作为求解域，采用有限元法对其磁场进行了数值计算。
A vector control method of linear induction motor based on fuzzy control was proposed because it was difficult to establish accurate mathematical model of linear induction motor.
直线感应电动机精确的动态数学模型很难建立，提出了一种基于模糊控制的直线感应电动机矢量控制方法。
According to the position of the secondary, the integrated dynamic model of a permanent linear synchronous motor (PMLSM) with several segment primaries is established.
从次级位置变量出发，建立多段初级式永磁直线同步电机整体动态模型。
Based on the ac permanent magnetic synchronous linear motor in IC packaging devices, the fundamental principle of linear motor is introduced and a simple but effective model is established.
针对高速高精芯片封装平台的交流永磁直线同步电机驱动系统，阐述直线电机运行的基本机理，并建立简洁实用的数学驱动模型。
On the basis of electro-magnet relationships, a mathematical model of permanent magnet linear synchronous motor (PMLSM) with a conductive plate on its secondary was built.
在电磁关系的基础上，建立起复合次级永磁直线同步电动机的数学模型。
Finally, based on the structural parameters and the simple force model of the linear motor, the dynamics models of the stage is built and verified using simulation and sweep testing.
基于结构参数，采用简洁的直线电机推力模型，建立了平台的动力学模型，并通过仿真和扫频实验对所建模型加以验证。
The vector control mathematical model of linear induction motor is established under the synchronization reference frame.
在同步旋转坐标系下，建立了直线感应电动机的矢量控制数学模型。
Verified by model calculation and calculated the present example electromagnetic field equation of motor on non-linear sine alternation eddy.
并实例计算了非线性正弦交变涡流的电机电磁场方程。
Motor system is non linear, however it can be linear approximated in an operating point. First order and second order motor model is used in the discussion.
在实际情况中电机是一个非线性的系统，但是在某一工作区间内完全可以进行线性化，本文采用一阶和二阶电机模型进行讨论。
Setting up mathematical model of the linear oscillatory motor can help further research on the system characteristics and control strategies.
建立直线振动电机数学模型可进一步深入研究系统特性及控制策略。
Thus, the control performance of system is influenced to a great extent by the model precision and the linear parameters of motor.
传统的矢量控制算法是建立在电动机数学模型的基础上的，系统的控制性能往往受模型的精确程度和电动机的参数影响较大。
Secondly, the mathematical model of permanent magnet synchronous motor and the non-linear factor model of IGBT are analyzed.
其次，分析了永磁同步电机数学模型和IGBT非线性因素模型。
The vector control mathematical model of linear induction motor is established under the synchronization reference frame.
旋转坐标系下，建立了直线感应电动机的矢量控制数学模型。
The vector control mathematical model of linear induction motor is established under the synchronization reference frame.
旋转坐标系下，建立了直线感应电动机的矢量控制数学模型。
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