摘要
针对电机设计,有很多分析方法,其中插值运动边界法是近期出现的一种有效的解决运动问题的方法,目前只被较少地应用于二维场的分析计算,鉴于该方法的诸多优点,将尝试用其解决三维场的运动问题。为了验证用该方法解决三维场运动问题的有效性,需选取适当的电磁装置,将上述算法的计算结果与实验测得的结果进行比较。
针对以上问题,本文论述了三维涡流场路运动耦合实验模型的设计原理和设计过程,研究了针对三维涡流场路运动耦合实验模型的实验平台的具体实现方案,对系统的硬件结构、软件及速度算法进行了分析与设计。
第一,首先介绍了本文的选题背景和研究意义,对相关领域的发展现状进行了综述,同时介绍本文的研究内容。
第二,论文介绍了实验模型的设计过程,分析了模型各部分器件的特性,对主要承受弯矩的连接结构进行了强度校核,并且选取了合适的材料与形状。
第三,进行了基于DSP的硬件检测电路的设计。先对硬件检测电路的整体结构进行了简单的论述,介绍了DSP及DSP系统的特点,并且重点介绍了TMS320LF2407的硬件开发平台TDS2407EA,详细论述了速度采样原理及其实现方法以及电流采样电路、力矩检测电路、光电耦合电路的设计。
第四,对系统进行了软件的设计。介绍了DSP的集成开发环境CSS,以及定点DSP的数据Q格式的表示方法。论述了软件的整体设计,说明了程序中各文件的作用,并且给出了程序的主流程图,详细介绍了定时器、事件管理器、ADC模块的初始化,说明了定时器中断、捕获中断、假中断的编程思想和具体实施手段。
第五,给出了系统的调试方案,介绍了仿真器TDS510的特点。论述了硬件当中DSP2407最小系统、DSP2407扩展部分、软件当中各程序模块的调试过程,并给出了实验结果。
There are a lot of analytical methods for the motor design, in which interpolation movement border method is an effective way to solve the issue of movement problem recently. This method has been applied to analysis and calculation of the two-dimensional field, and will be used to solve the three-dimensional field problem in this paper in view of its advantages. In order to verify the method, electromagnetic device is used to compare the calculated results with experimental measurement results.
Aiming at above problem, this paper describes the design principle and process of experimental model for 3-D eddy current field-circuit coupling. Implementation of experimental platform for 3-D eddy current field-circuit coupling is described in detail, hard framework, software and speed arithmetic of system are analyzed and designed.
First, this paper introduces the background and significance of research as well as relevant developments of research, and the research content is described.
Secondly, the design process of experimental model is introduced. Characteristic of parts of the device are analyzed and connection parts used to support moment are checked, appropriate materials and shapes are selected as well.
Third, a hardware detection circuit based on DSP is designed. Structure of hardware detection circuit and characteristics of DSP system are introduced. Hardware development platform TDS2407EA of TMS320LF2407 is emphasized and the speed sampling theory and method as well as current sampling circuit, torque testing circuit, optocoupler circuit design are discussed in detail.
Fourth, the system software is designed. Integrated development environment CSS of DSP, express method of fixed-point Q format of the data, overall design of the software, files' function in procedures, main flow chart of procedures, the timers, event management, ADC module initialization, program ideology and special implementation of the timer interruption, capture interruption and false interruption are introduced in detail.
Fifth, the system's debug scheme and the feature of simulator TDS510 are introduced. The smallest hardware systems DSP2407 of hardware, extension of the DSP2407 and debugging process of various program models in software are described in detail. At last, experimental results of model are given.
引文
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