This article focuses on analysis of

This article focuses on analysis of distribution network based on DSP data acquisition and processing scheme of the system, but also introduces the relevant background knowledge. Through the DSP, FFT algorithm and parameter calculation method for distribution network of knowledge learning, system design requirements, completed the design and implementation of hardware and software implementations. Hardware and software debugging, finally completed the entire design from the analysis, design and implementation process. Graduated a few months in the design development phase, I have complete access to relevant information, comparison of various programmes and feasibility studies, design and functional testing of hardware and software, and reaches the graduation project design requirements. Summing up the graduation design, mainly the following four aspects:
(1) based on analysis of the parameter of the distribution network was selected by harmonic analysis method to calculate the parameters of the distribution network. After detailed study and implement the FFT algorithm for harmonic analysis and calculation method for the parameters, parameter calculation for distribution network provides a strong theoretical support.
(2) set up a hardware platform based on TI's system, give full play to the advantage in data processing, DSP not only completed the data collection function, and quickly makes a harmonic analysis and the calculation of the parameters of the distribution network, completed the requirements for real-time monitoring. This hardware can not only meet the requirements of high precision, but it is also a low cost hardware solutions.
(3) design and completes the preparation of DSP software modules code, system analysis of DSP data sampling, processing units, such as the control. DSP by a timer control to achieve control of the a/d sampling and preparation of FFT algorithms, data processing program, complete the calculation of the parameters of the distribution network.
(4) integrated software and hardware design of programmes, completed the design of a data acquisition and processing system for distribution network, through simulation and debugging of hardware and software modules to verify the correctness of the solution of the system. Also, under the existing conditions in the laboratory, for the system as a whole, debugging, experimental results show that this design is able to complete the basic monitoring requirements of distribution parameter.
Due to time constraints, the system design and found some problems in the production process could not be further improved, the problem consists of the following aspects:
(1) due to this design main focused on on distribution grid parameter of collection and processing, on parameter of displayed function no concern, so this design cannot will distribution network parameter in screen Shang for displayed, and only through access data storage address to read parameter value, this on quite degree Shang limit has on distribution grid parameter of real-time monitoring, can this design of based Shang in increased a data displayed program, to makes distribution grid parameter of real-time monitoring effect better.
(2) the design of no external data memory, therefore unable to store too much distribution network parameter data. The design of the parameters of the data was saved by recycling, save data to a maximum of five, then to save the cycle. In order to preserve more historical data for research officers and research, external data memory parameter data saved in the external storage in groups of five.
(3) because only one sample holder DSP, only collecting data all the way, cannot collect multiple data and only time gathering, which will have an impact on the accuracy of collected data to a certain extent. In order to achieve multi-channel real-time data acquisition, can use an external a/d sampling chip, multi-channel real-time data acquisition, and then read into the DSP for processing.
(4) this system uses the timer interrupt, 50HZ is the default distribution network voltage and frequency to calculate the time interval, but frequency is not set in stone, it will also affect the accuracy of final data. To resolve this problem, you can set a frequency measurement unit, real time monitoring of the frequency, and then change the timer clock cycle to get more accurate data.
If these aspects to improve the system, that system functionality will be even more perfect, intelligent will greatly improve, more conducive to real life use.

結果 (中文) 1:

这篇文章着重分析了配电网络基于 DSP 的数据采集和处理系统方案，但也介绍了相关的背景知识。通过 DSP，配电网的知识学习，设计的系统要求，FFT 算法和参数计算方法完成的设计与实现的硬件和软件实现。硬件和软件调试，最终完成整个设计从分析、 设计和实施过程。毕业设计发展阶段的几个月，完成访问相关信息，比较各种方案和可行性研究、 设计和功能测试的硬件和软件，和达到毕业项目设计要求。总结这次毕业设计主要有如下四个方面:(1) 分析的基础上的分布网络的参数被选中谐波分析法计算参数的分布网络。详细的研究和实现 FFT 算法的谐波分析和参数计算方法后，配电网络参数计算提供了有力的理论支持。(2) set up a hardware platform based on TI's system, give full play to the advantage in data processing, DSP not only completed the data collection function, and quickly makes a harmonic analysis and the calculation of the parameters of the distribution network, completed the requirements for real-time monitoring. This hardware can not only meet the requirements of high precision, but it is also a low cost hardware solutions.(3) design and completes the preparation of DSP software modules code, system analysis of DSP data sampling, processing units, such as the control. DSP by a timer control to achieve control of the a/d sampling and preparation of FFT algorithms, data processing program, complete the calculation of the parameters of the distribution network.(4) integrated software and hardware design of programmes, completed the design of a data acquisition and processing system for distribution network, through simulation and debugging of hardware and software modules to verify the correctness of the solution of the system. Also, under the existing conditions in the laboratory, for the system as a whole, debugging, experimental results show that this design is able to complete the basic monitoring requirements of distribution parameter.Due to time constraints, the system design and found some problems in the production process could not be further improved, the problem consists of the following aspects:(1) due to this design main focused on on distribution grid parameter of collection and processing, on parameter of displayed function no concern, so this design cannot will distribution network parameter in screen Shang for displayed, and only through access data storage address to read parameter value, this on quite degree Shang limit has on distribution grid parameter of real-time monitoring, can this design of based Shang in increased a data displayed program, to makes distribution grid parameter of real-time monitoring effect better.(2) the design of no external data memory, therefore unable to store too much distribution network parameter data. The design of the parameters of the data was saved by recycling, save data to a maximum of five, then to save the cycle. In order to preserve more historical data for research officers and research, external data memory parameter data saved in the external storage in groups of five.(3) because only one sample holder DSP, only collecting data all the way, cannot collect multiple data and only time gathering, which will have an impact on the accuracy of collected data to a certain extent. In order to achieve multi-channel real-time data acquisition, can use an external a/d sampling chip, multi-channel real-time data acquisition, and then read into the DSP for processing.(4) this system uses the timer interrupt, 50HZ is the default distribution network voltage and frequency to calculate the time interval, but frequency is not set in stone, it will also affect the accuracy of final data. To resolve this problem, you can set a frequency measurement unit, real time monitoring of the frequency, and then change the timer clock cycle to get more accurate data.If these aspects to improve the system, that system functionality will be even more perfect, intelligent will greatly improve, more conducive to real life use.

結果 (中文) 3:

本文重点分析配电网我们基于DSP的数据采集与处理方案of the system，but also介绍相关背景知识。通过DSP的FFT算法和参数计算方法，配电网络知识的学习，系统的设计要求；完成设计和实现的硬件和软件implementations。硬件和软件的调试，最后完成整个设计的分析、设计与实现过程。累进a few months in the设计开发阶段，I have access to在完整的信息，各种方案的可行性研究与比较；设计和功能测试的软件和硬件，and reaches the毕业项目设计的要求。summing up the毕业设计，主要以下方面：（1）炉基于Analysis of the parameter of the配电网是selected by调和分析方法来计算the参数of the配电网。在详细研究与实现FFT算法的谐波分析与计算方法for the参数，参数的计算提供了强大的理论支持配电网。（2）建立了基于ti' S系统硬件平台，充分发挥DSP数据处理的优势，not only the data collection函数完成，与快让调和analysis and the calculation of the parameters of the配电网，完成实时监测的要求。这不能只满足硬件要求高精度，但它也是低成本硬件解决方案。（3）的设计与制备completes DSP软件模块代码，系统分析DSP数据采集处理单元；such as the control。由定时器控制的DSP实现Control of the A / D采样与制备中的FFT算法，数据处理程序，完成the calculation of the parameters of the配电网。（4）软件和硬件设计方案的设计，完成数据采集与处理系统的配电网，通过仿真和调试的硬件和软件模块to verify the correctness of the of the系统解决方案。also，under the existing条件in the Laboratory，for the system as a whole，调试，实验结果显示，这是able to complete the basic设计分布参数监测要求。
due to Time Constraints，系统设计和found some problems in the process could not be further改进生产，the problem consists of the following方面：
（1）due to this设计手focused on我们收集和处理的网格分布参数中，我们显示函数没有参数of concern，所以这设计不能将配电网参数在屏幕上研究显示，只有通过访问数据存储Address to read参数值，这就相当程度上限制已分布参数实时监测电网中，本设计在基于CAN数据显示程序上增加，使分布参数的实时监测电网效果更好。（2）没有外部设计数据存储器因此，不能盲目的配电网参数to太多的数据。设计参数of the data was saved by回收，保存数据最多五，then to Save the周期。in order to preserve更多的历史数据研究officers and Research，外部数据存储器的存储参数数据保存in the external in groups of five。
（3），因为只有一个样品持有人，DSP只采集一路，不能收集数据和多只有时间采集，which will have an accuracy of the影响我们收集数据到一定程度。in order to achieve多通道实时数据采集，可以使用A / D采样芯片年外，多通道实时数据采集，and then read into the DSP为处理。
（4）本系统用the定时器中断，50Hz is the违约配电网电压和频率计算的时间间隔，但频率is not set in石，it will also affect the accuracy of最终数据。要解决这个问题，你可以设置频率的测量单位，实时监测of the频率，然后改变定时器时钟周期to get more精确数据。
如果这些方面to improve the system，这个系统的功能将更加完美，将极大地提高智能，more Conductive to和现实生活中的使用。Comme le contrôle. Psd par un contrôle Timer pour assurer le contrôle de la a/d'échantillonnage et de la préparation d'un tni algorithmes, programme de traitement de données, effectuez le calcul des paramètres du réseau de distribution.
(4) conception matérielle et logicielle intégrée de programmes, a achevé la conception d'un système d'acquisition et de traitement des données pour le réseau de distribution,