| 基于USB和DSP的高速凸轮机构信号采集系统 |
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| 引用本文： | 陈秀霞,卢刚,李声晋,郑力.基于USB和DSP的高速凸轮机构信号采集系统[J].仪表技术与传感器,2011(3). |
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| 作者姓名： | 陈秀霞 卢刚 李声晋 郑力 |
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| 作者单位： | 西北工业大学机电学院,陕西西安,710072 |
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| 摘 要： | 针对高速凸轮机构原有信号采集系统的缺陷,设计了基于USB2.0和DSP的高速信号采集系统,该系统的硬件电路包括模拟信号调理电路、光电码盘计数电路、信号处理电路和USB接口电路.信号处理模块选用32位浮点型DSPTMS320F28335作为核心器件对信号进行处理,通过使用SPI总线将处理后的数据传输到USB2.0接口模块.USB2.0接口模块的主要器件是FPGA和CY7C68013,FPGA将接收的数据转换为可被USB接口芯片CY7C68013传输的格式,传输到PC机进行显示、存储等.信号采集系统的软件部分包括上位机应用程序、USB通信程序和数字信号处理器程序,通过硬件电路和软件的有机结合实现凸轮机构高速信号的采集.
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| 关 键 词： | 凸轮机构 高速信号采集 |
High-speed Cam Mechanism Signal Sampling System Based on USB and DSP |
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| CHEN Xiu-xia,LU Gang,LI Sheng-jin,ZHENG Li.High-speed Cam Mechanism Signal Sampling System Based on USB and DSP[J].Instrument Technique and Sensor,2011(3). |
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| Authors: | CHEN Xiu-xia LU Gang LI Sheng-jin ZHENG Li |
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| Affiliation: | CHEN Xiu-xia,LU Gang,LI Sheng-jin,ZHENG Li (School of Mechatronics,Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | According to the limitation of old signal sampling system which was used in cam mechanism in teaching experiment,designed a high-speed signal sampling system based on USB2.0 and DSP.The hardware circuit of the system included signal acquisition circuit,counting circuit of photoelectric coded disk,signal processing circuit and USB interface circuit.Signal processing circuit used TMS320F28335 as the master chip to process signal.TMS320F28335 is a 32-bit floating-point DSP.Processed data was sent to USB interf... |
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| Keywords: | DSP USB2 0 |
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