以DSP芯片为核心的虚拟电工测量系统
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摘要
虚拟仪器是基于计算机的测量仪器,它与传统仪器相比有很多优点,近年来发展迅速。为了满足实验教学发展、创新的需要,实现实验教学智能化、网络化和便携化,考虑研制一种基于DSP的便携式电工教学虚拟仪器系统。本系统完成对电工实验中的常见电气参数如:交流电压、电流;直流电压、电流;电阻、电容、电感的测量,并包含了数字示波器和函数信号发生器功能模块。
本系统硬件由信号调理电路、DSP系统、USB接口和人机交互系统组成。本文重点阐述了系统的硬件设计,也给出了在系统实施中需要的测量原理及其算法。
虚拟仪器应用程序使用针对DSP的C语言编写。本虚拟仪器用虚拟面板作为人机交互界面,实现了信号的测量计算,波形显示,数据存储等功能。本系统着重模块化的程序开发设计思路,包含了数据采集、量程转换和控制、数字滤波、参数测量子程序模块。
文章最后提出了本系统有待进一步研究的主要问题。
The virtual instrument is a metrical instrument based on the computer. It has a lot of advantedge compared with the traditional instrument. The development on this kind of instrument is fast these years. We were considering a new kind of virtual instrument system with DSP, for the sake of the innovation, intelligentize, and conveniency. This system has finished shese electric parameters in the electric experiments sunch as: AC voltage, AC current, direct voltage, direct current, resistance, capacitance, inductance etc. this system also contains the modules like digital oscillograph, and the signal generator.
The hardware of this system contains signal circuits, the system of the DSP, usb interface and the human-machine interface systems. The emphases of the chapter were the design of the hardware. We point out the measure principle and the arithmetic in this system in the meantime.
The application of the virtual instrument was wroten in c languages. We use the virtual faceplate as the human-machine interface. This part has implemented the calculation of the signal, the display of the wave and the memory of the data. We emphasized on the method of the the procedure exploitation , including the data collection, the conversion of the measurement, the digital filter, and the module of the parameters measurement.
In the last of this chapter, we indicated the main problems of this system.
本系统硬件由信号调理电路、DSP系统、USB接口和人机交互系统组成。本文重点阐述了系统的硬件设计,也给出了在系统实施中需要的测量原理及其算法。
虚拟仪器应用程序使用针对DSP的C语言编写。本虚拟仪器用虚拟面板作为人机交互界面,实现了信号的测量计算,波形显示,数据存储等功能。本系统着重模块化的程序开发设计思路,包含了数据采集、量程转换和控制、数字滤波、参数测量子程序模块。
文章最后提出了本系统有待进一步研究的主要问题。
The virtual instrument is a metrical instrument based on the computer. It has a lot of advantedge compared with the traditional instrument. The development on this kind of instrument is fast these years. We were considering a new kind of virtual instrument system with DSP, for the sake of the innovation, intelligentize, and conveniency. This system has finished shese electric parameters in the electric experiments sunch as: AC voltage, AC current, direct voltage, direct current, resistance, capacitance, inductance etc. this system also contains the modules like digital oscillograph, and the signal generator.
The hardware of this system contains signal circuits, the system of the DSP, usb interface and the human-machine interface systems. The emphases of the chapter were the design of the hardware. We point out the measure principle and the arithmetic in this system in the meantime.
The application of the virtual instrument was wroten in c languages. We use the virtual faceplate as the human-machine interface. This part has implemented the calculation of the signal, the display of the wave and the memory of the data. We emphasized on the method of the the procedure exploitation , including the data collection, the conversion of the measurement, the digital filter, and the module of the parameters measurement.
In the last of this chapter, we indicated the main problems of this system.
引文
[1]胡燕娥.采用8098和高速A/D对电力参数进行交流采样的技术《电测与仪表》1997(4): 23~24
[2]刘君华.现代检测技术与测量系统设计[M].西安:西安交通大学出版社, 1999.
[3]肖波.电工实验虚拟仪器的研制: [硕士学位论文].华中科技大学图书馆, 2003
[4]程佩青.数字信号处理教程.第2版.北京:清华大学出版社, 1995.
[5]郑君里.信号与系统.高等教育出版社. 2002
[6]赵续文.传感器与应用电路设计.科学出版. 2002,
[7]乔晓艳,贾莲凤.基于虚拟仪器的相位差软件测量算法研究.计算机测量与控制, 2003(2): 32~35
[8]张聪,杨泽富.基于虚拟仪器技术的RLC参数测量仪的设计.电子工程师. 2005(3):14~16
[9]李丽.基于虚拟仪器技术的电气参数测量系统: [硕士学位论文].华中科技大学图书馆, 2004
[10]张卫宁. TMS320C28x系列DSP的CPU与外设.清华大学出版社. 2005
[11]张靖,刘少强.检测技术与系统设计.北京:中国电力出版社, 2002: 260~282
[12] WB系列电量隔离传感器选型手册.绵阳市维博电子有限责任公司, 2004
[13]王正仕,楼珍丽,徐德鸿.一种新型的数字化正弦波发生器.仪表技术, 1999(3):26~27
[14]陈穷.电磁兼容性工程设计手册.北京:国防工业出版社, 1993. 498~524
[15]张聪.电气参数测量的虚拟仪器研制. [硕士学位论文].华中科技大学图书馆, 2006
[16]张聪,杨泽富,李军.数字滤波器在虚拟仪器中的应用.实验技术与管理, 2005, 22(7): 62~64
[17]姚天任,江太辉.数字信号处理.武汉:华中工学院出版社, 1988. 178~189
[18]王维俊. TMS320LF240XDSP c语言开发应用.北京航空航天大学出版社. 2003
[19]李红.数值分析.武汉:华中科技大学出版社, 2003. 63~66
[20]王潞钢. DSP C2000程序员高手进阶.机械工业出版社. 2005
[21]张雄伟. DSP芯片的原理与开发应用,电子工业出版社.. 2005
[22]张锡纯.电子示波器及其应用,北京工业出版社. 1997
[23] House, R. Choosing the Right Software for Data Acquisition. IEEE Spectrum, 1995, 32(5): 24~32
[24] P. Wide. The Electronic Head: A Virtual Quality Instrument. IEEE Trans. on Industrial Electronics, 2001, 48(4): 766~769
[25] A. P. J. Rens, P. H. Swart. On techniques for the localization of multiple distortion sources in three-phase networks:time-domain verification. 5th International Workshop on Power Definitionsand Measurements under Nonsinusoidal Conditions. Milano, Italy. 2000(10): 79~82
[26] Pieter H. Schavermaker, Robert Reijintjes, Lou vander Sluis. Power system demos: A graphical aid for lecturing and training purposes. IEEE Transactions on Power Systems, 2001, 16(4): 581~585
[27]李丽,杨泽富.基于虚拟仪器技术的电气参数测量仪设计.电子工程师, 2003, 29(9): 7~9
[28]蒋增荣,曾泳泓,余品能.快速算法.长沙:国防科技大学出版社, 1993. 5~8
[29]谢自美.电子线路设计·实验·测试.第二版.武汉:华中理工大学出版社, 2000.
[30]陈崇源.高等电路.第一版.武汉:武汉大学出版社, 2000. 272~285
[31]张毅刚,付平,王丽.采用数字化相关法测量相位差.计量学报, 2000, 21(3): 216~221
[32]胡文军,李震梅,饶明忠.基于虚拟仪器技术的电网信号相位差的研究.山东理工大学学报, 2003, 17(2): 90~93
[33]桂任舟.基于虚拟仪器技术和互相关原理的相位测量仪.仪表技术与传感器, 2004(5): 8~9
[34]陈崇源,陈乔夫.最新实用电工手册.第一版.成都:成都科技大学出版社, 1995. 1108~1109
[35]胡虔生,马宏忠.非正弦周期信号测量同步误差研究.中国电机工程学报,2000(9):35～40
[36]中国计量出版社组编.新编电子电路大全.中国计量出版社,2001
[37] High Performance Video Op Amp AD811. ANALOG DEVICE
[38] Digitally Controlled Programmable-Gain INSTRUMENTATION AMPLIFIER PGA202/203. BURR BROWN
[39] Dual-output Low-dropout Voltage regulators .TEXAS INSTRUMENTS
[40]汪安民,王殊. TMS320C54X的USB接口实现.华中科技大学出版社2005
[41]王成儒,李英伟. SB2.0原理与工程开发.国防工业出版社. 2004
[42]张弘. USB接口设计西安电子科技大学出版社2002
[43]肇庆金鹏电子有限公司液晶显示器产品说明书. 2004
[2]刘君华.现代检测技术与测量系统设计[M].西安:西安交通大学出版社, 1999.
[3]肖波.电工实验虚拟仪器的研制: [硕士学位论文].华中科技大学图书馆, 2003
[4]程佩青.数字信号处理教程.第2版.北京:清华大学出版社, 1995.
[5]郑君里.信号与系统.高等教育出版社. 2002
[6]赵续文.传感器与应用电路设计.科学出版. 2002,
[7]乔晓艳,贾莲凤.基于虚拟仪器的相位差软件测量算法研究.计算机测量与控制, 2003(2): 32~35
[8]张聪,杨泽富.基于虚拟仪器技术的RLC参数测量仪的设计.电子工程师. 2005(3):14~16
[9]李丽.基于虚拟仪器技术的电气参数测量系统: [硕士学位论文].华中科技大学图书馆, 2004
[10]张卫宁. TMS320C28x系列DSP的CPU与外设.清华大学出版社. 2005
[11]张靖,刘少强.检测技术与系统设计.北京:中国电力出版社, 2002: 260~282
[12] WB系列电量隔离传感器选型手册.绵阳市维博电子有限责任公司, 2004
[13]王正仕,楼珍丽,徐德鸿.一种新型的数字化正弦波发生器.仪表技术, 1999(3):26~27
[14]陈穷.电磁兼容性工程设计手册.北京:国防工业出版社, 1993. 498~524
[15]张聪.电气参数测量的虚拟仪器研制. [硕士学位论文].华中科技大学图书馆, 2006
[16]张聪,杨泽富,李军.数字滤波器在虚拟仪器中的应用.实验技术与管理, 2005, 22(7): 62~64
[17]姚天任,江太辉.数字信号处理.武汉:华中工学院出版社, 1988. 178~189
[18]王维俊. TMS320LF240XDSP c语言开发应用.北京航空航天大学出版社. 2003
[19]李红.数值分析.武汉:华中科技大学出版社, 2003. 63~66
[20]王潞钢. DSP C2000程序员高手进阶.机械工业出版社. 2005
[21]张雄伟. DSP芯片的原理与开发应用,电子工业出版社.. 2005
[22]张锡纯.电子示波器及其应用,北京工业出版社. 1997
[23] House, R. Choosing the Right Software for Data Acquisition. IEEE Spectrum, 1995, 32(5): 24~32
[24] P. Wide. The Electronic Head: A Virtual Quality Instrument. IEEE Trans. on Industrial Electronics, 2001, 48(4): 766~769
[25] A. P. J. Rens, P. H. Swart. On techniques for the localization of multiple distortion sources in three-phase networks:time-domain verification. 5th International Workshop on Power Definitionsand Measurements under Nonsinusoidal Conditions. Milano, Italy. 2000(10): 79~82
[26] Pieter H. Schavermaker, Robert Reijintjes, Lou vander Sluis. Power system demos: A graphical aid for lecturing and training purposes. IEEE Transactions on Power Systems, 2001, 16(4): 581~585
[27]李丽,杨泽富.基于虚拟仪器技术的电气参数测量仪设计.电子工程师, 2003, 29(9): 7~9
[28]蒋增荣,曾泳泓,余品能.快速算法.长沙:国防科技大学出版社, 1993. 5~8
[29]谢自美.电子线路设计·实验·测试.第二版.武汉:华中理工大学出版社, 2000.
[30]陈崇源.高等电路.第一版.武汉:武汉大学出版社, 2000. 272~285
[31]张毅刚,付平,王丽.采用数字化相关法测量相位差.计量学报, 2000, 21(3): 216~221
[32]胡文军,李震梅,饶明忠.基于虚拟仪器技术的电网信号相位差的研究.山东理工大学学报, 2003, 17(2): 90~93
[33]桂任舟.基于虚拟仪器技术和互相关原理的相位测量仪.仪表技术与传感器, 2004(5): 8~9
[34]陈崇源,陈乔夫.最新实用电工手册.第一版.成都:成都科技大学出版社, 1995. 1108~1109
[35]胡虔生,马宏忠.非正弦周期信号测量同步误差研究.中国电机工程学报,2000(9):35～40
[36]中国计量出版社组编.新编电子电路大全.中国计量出版社,2001
[37] High Performance Video Op Amp AD811. ANALOG DEVICE
[38] Digitally Controlled Programmable-Gain INSTRUMENTATION AMPLIFIER PGA202/203. BURR BROWN
[39] Dual-output Low-dropout Voltage regulators .TEXAS INSTRUMENTS
[40]汪安民,王殊. TMS320C54X的USB接口实现.华中科技大学出版社2005
[41]王成儒,李英伟. SB2.0原理与工程开发.国防工业出版社. 2004
[42]张弘. USB接口设计西安电子科技大学出版社2002
[43]肇庆金鹏电子有限公司液晶显示器产品说明书. 2004
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