| 基于双DSP的数据采集控制系统设计 |
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| 引用本文： | 宋健,李树广. 基于双DSP的数据采集控制系统设计[J]. 测控技术, 2010, 29(3): 31-33 |
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| 作者姓名： | 宋健 李树广 |
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| 作者单位： | 上海交通大学,电子信息与电气工程学院,上海,200240;上海交通大学,电子信息与电气工程学院,上海,200240 |
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| 摘 要： | 设计了基于TMS320F2812双DSP数据采集与控制系统,两者之间采用高速双口RAM进行通信的方式,大大增加了DSP数据采集能力与处理速度,提高复杂大系统的实时处理与控制能力。其中一个DSP作为主控制器,负责对电网电压、电流的采样、滤波、FFT运算以及实时控制,并将处理得到的结果存储在双口RAM;另一个DSP作为从控制器从双口RAM中得到数据,实现相应的实时控制,人机交互。该设计思路被成功运用到治理电网谐波的智能有源滤波器中,从而大大增加DSP的运算速度与处理能力,由所述系统实验与实用证明,达到了较高控制精度,满足了实时处理要求。
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| 关 键 词： | TMS320F2812 双DSP数据采集与处理 高速双口RAM AD7656 |
Design of Data Acquisition and Control System with Two DSPs |
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| SONG Jian,LI Shu-guang. Design of Data Acquisition and Control System with Two DSPs[J]. Measurement & Control Technology, 2010, 29(3): 31-33 |
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| Authors: | SONG Jian LI Shu-guang |
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| Affiliation: | School of Electronic Information and Electrical Engineering;Shanghai Jiao Tong University;Shanghai 200240;China |
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| Abstract: | A data acquisition and control system based on two DSPs is designed.High-speed dual-port RAM is used to realize the communication between the two DSPs.The system improves the capacity of data acquisition and speed of data processing greatly.One DSP fulfills signal sampling,filter,FFT calculation,real time control,and sends the control data into dual-port RAM.Another DSP fulfills relevant real-time control and man-machine exchange according to the data received from dual-port RAM.The structure is applied suc... |
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| Keywords: | TMS320F2812 data acquisition and processing with two DSPs high-speed dual-port RAM AD7656 |
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