According to BLDC mathematical model and the movement principle, a simulation model of BLDCM control system by the SIMULINK and PSB block of software MATLAB is built in this paper.

根据无刷直流电机的数学模型和运行原理，通过MATLAB软件的SIMULINK和PS B模块，搭建了电机及整个控制系统的仿真模型。

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Meanwhile, it introduces MATLAB and illustrates the advantages and functions of this software using in the mathematical experiment teaching.

同时，简要地介绍了MATLAB软件，并举例说明了利用其进行数学实验教学的优点和作用。

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Based on fundamental principles of X-ray motion tomography, this article tried to establish a basic mathematical model for the imitative system by using MATLAB software.

本文基于X线断层的基本原理，应用MATLAB软件，为X线断层的仿真系统建立基本的数学模型。

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