激光平直度仪系统的设计
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摘要
钢板平直度在线检测技术研究在工业生产中是一个有实际应用价值的问题,而利用激光光源和CCD测量具有无接触、准确度高、便于计算机处理、易于自动化控制等一系列优点。因此本课题研究的钢板激光平直度仪系统具有很大的现实意义和良好的应用价值。
论文从平直度检测系统设计的基本原理出发,在现有的检测系统的基础上进行了改进,设计了光学成像、光源控制、信号采集与处理以及相关的硬件接口构成的钢板激光平直度仪系统的总体方案;重点设计并制作了光源部分的驱动电路和控制程序,具有软件可调和实时数据监测等特点。利用数字信号处理器(DSP),半导体激光器,D/A、A/D转换器,恒流源电路和恒温控制电路为检测系统提供了一个比较理想的线型激光光源。恒流源电路具有防过冲,浪涌,和反向击穿等保护功能。恒温控制电路由半导体电热制冷器(TEC),热敏电阻,和PID控制电路组成。
最后设计了实验室可行的测试方法对所设计系统进行了验证。通过在实验室进行的模拟实验,对测量结果及误差产生的原因进行了分析,并采用了必要的校准和补偿。结果表明,本文设计的光源部分具有较高的质量,半导体激光器具有可调节且可以实时监测的工作电流和工作温度的特点。激光器电流的控制精度为±1mA,温度控制精度为±1℃,达到了设计的要求。
Online detection of the steel plate's flatness is applied widespread and valuable in the manufacturing production.Measurement using CCD and linear laser has the virtues of non-contact,high accuracy,convenient for computer processing and easy to control.For this reason,research on the laser flatness gauge of the steel plate has high practical application value and good prospects.
The paper designed the overall protocol of steel plate flatness on-line detection system, based on the basic principle of measurement system design,and the amelioration of existing measurement system.Complete the whole design of flatness gauge system that is composed of optical imaging,light source control,data acquisition and processing and the related hardware interface.Focus on the design and produced of the drive circuit and control procedures of the light source that is adjustable with software and features a real-time data monitoring.The design provides the detection system an ideal linear laser source by using of digital signal processor(DSP),semiconductor lasers,D/A,A/D converters,constant current source circuit and temperature control circuit.Constant current source circuit features a protection of overshoot,surge and reverse breakdown.Constant temperature control circuit is composed of thermal electric cooler(TEC),thermistor and the PID control circuit.
At last,design a feasible test method in the laboratory for the verification of the system and analyze the reason that caused the error of measurement results.Also gives a necessary calibration and compensation.The results show that the design of the light source system has a higher quality.The lasers can be adjustable and real-time monitoring of the operating current and operating temperature.The accuracy of laser current is±1mA.The accuracy of temperature control is±1℃that meet the requirements of the design.
论文从平直度检测系统设计的基本原理出发,在现有的检测系统的基础上进行了改进,设计了光学成像、光源控制、信号采集与处理以及相关的硬件接口构成的钢板激光平直度仪系统的总体方案;重点设计并制作了光源部分的驱动电路和控制程序,具有软件可调和实时数据监测等特点。利用数字信号处理器(DSP),半导体激光器,D/A、A/D转换器,恒流源电路和恒温控制电路为检测系统提供了一个比较理想的线型激光光源。恒流源电路具有防过冲,浪涌,和反向击穿等保护功能。恒温控制电路由半导体电热制冷器(TEC),热敏电阻,和PID控制电路组成。
最后设计了实验室可行的测试方法对所设计系统进行了验证。通过在实验室进行的模拟实验,对测量结果及误差产生的原因进行了分析,并采用了必要的校准和补偿。结果表明,本文设计的光源部分具有较高的质量,半导体激光器具有可调节且可以实时监测的工作电流和工作温度的特点。激光器电流的控制精度为±1mA,温度控制精度为±1℃,达到了设计的要求。
Online detection of the steel plate's flatness is applied widespread and valuable in the manufacturing production.Measurement using CCD and linear laser has the virtues of non-contact,high accuracy,convenient for computer processing and easy to control.For this reason,research on the laser flatness gauge of the steel plate has high practical application value and good prospects.
The paper designed the overall protocol of steel plate flatness on-line detection system, based on the basic principle of measurement system design,and the amelioration of existing measurement system.Complete the whole design of flatness gauge system that is composed of optical imaging,light source control,data acquisition and processing and the related hardware interface.Focus on the design and produced of the drive circuit and control procedures of the light source that is adjustable with software and features a real-time data monitoring.The design provides the detection system an ideal linear laser source by using of digital signal processor(DSP),semiconductor lasers,D/A,A/D converters,constant current source circuit and temperature control circuit.Constant current source circuit features a protection of overshoot,surge and reverse breakdown.Constant temperature control circuit is composed of thermal electric cooler(TEC),thermistor and the PID control circuit.
At last,design a feasible test method in the laboratory for the verification of the system and analyze the reason that caused the error of measurement results.Also gives a necessary calibration and compensation.The results show that the design of the light source system has a higher quality.The lasers can be adjustable and real-time monitoring of the operating current and operating temperature.The accuracy of laser current is±1mA.The accuracy of temperature control is±1℃that meet the requirements of the design.
引文
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[6]杨溪林.激光热轧带钢板形测量系统的研究[D].北京:清华大学,1997.
[7]童卫旗.热轧带钢在线测宽技术的发展现状.仪表技术与传感器,2006,(11):1-2.
[8]PENKATZKI.Sehnutz GMG LevellerCheck.Germany.GMG,2002.
[9]Song Zhang,Peisen S.Huang.Noel Method for Structured Light System Calibration.Optical Engineering.2006,45(8):1-8.
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[11]吕百达.激光光学[M].四川大学出版社,1986.
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[13]林贻斌.激光三维轮廓检测技术研究.天津理工大学硕士学位论文.2005.
[14]刘磊.图象传感器种类比较与技术应用.科技资讯.2007.
[15]Li Xiaoping.Application Research on Space Laser Communication in Bistatic Radar System.Journal of Beijing Institute of Technology.2003,12(1):19-22.
[16]J.H.Xu,A Simple System of Thermal Control and Frequency Stabilization of Solitary Diode Lasers[J].Review of Scientific Instrument.2000,71(10):3648-3652.
[17]滕明.选择电源改进激光二极管性能[J].闫丽丽,译.红外与激光技术,1994,23(4):58-261.
[18]邹文栋,高益庆.单片机控制的半导体激光驱动电源[J].激光杂志,2002,23(4):70-71.
[19]刘奎学,尹裕,解澎.高精度电流、温度控制器在半导体激光器中的应用[J].电子工业专用设备,2002,31(3):167-170.
[20]李士勇.模糊控制和智能控制理论与应用.哈尔滨:哈尔滨工业大学出版社.1990:230-232.
[21]张娜.半导体激光器恒温控制理论与应用.吉林大学学报理学版,2002,40(3):284-287.
[22]唐文彦,孙晓明,周延周,朱茂华.半导体激光器高精度温度控制系统的设计.哈尔滨土业大学学报,1994,26(4):10-12.
[23]黄岳魏,崔瑞祯,巩马理等.基于TEC的大功率LD恒温控制系统的研究.红外与激光工程.2006,35(2)143-147.
[24]Zhong Guangxue.Thermal Electric Cooler and the Application.Beijing:Scientific Publisher.1991:24-28.
[25]王肖飞,伊红晶,钱龙生.半导体激光器温度控制系统的设计.长春理工大学学报.2005,28(1):20-22.
[26]Maxim.Using Thermistors in Temperature Tracking Power Supplies.Application note 817.2001.
[27]王晓磊,田蔚风,曾连荪等.一种基于Fuzzy-PID的参数自整定恒温控制系统.工业仪表与自动化装置.2004,4:19-22.
[28]孙丽飞,田小建,艾宝丽.大功率半导体激光器的精密模糊PID温控系统.量子电子学报.2005,22(3):382-386.
[29]刘澄.半导体激光器的浪涌损坏及其消除方法.电力环境保护,2003,19(4):49-50.
[30]孙梅生,卢威,徐小鹏.浪涌对半导体激光器的危害及消除方法.激光杂志.2002,23(6):25-28.
[31]Christian H,Michael H,Georg B.Digital to analog conversion by pulse-count modulation methods[J].IEEE Trans.Instrument.Meas,1996,45(4):805-813.
[32]刘澄,刘伟.半导体激光器输出功率自动控制电路.电力环境保护,2004,20(2):56-58.
[33]魏佩敏.半导体激光器的输出功率控制及输出光信号调制.机床与液压2001,(5)61-62.
[34]卢洪斌,王向朝,王学锋,钱锋,陈高庭,方祖捷.半导体激光器光热光频调制特性的理论分析,半导体光电,2001,22(2):136-139.
[35]卢洪斌,王向朝,王学锋,钱锋,宋松,陈高庭,方祖捷.半导体激光器光强光热调制特性的研究.中国激光,2000,27(11):969-972.
[36]National Semiconductor.LM4871 Data sheet,2003.
[37]Analog Devices.AD7856 Data sheet,2000.
[38]Texas Instruments Incorporated.TLV5638 Datasheet.Texas,2000.
[39]Texas Instruments Incorporated.TMS320F281x Digital Signal Processors Data sheet.Texas,2007.
[40]刘和平,邓力等.数字信号处理器原理、结构及应用基础-TMS320F28x.北京:机械工业出版社,2007.
[41]彭启宗。TI DSP集成化开发环境(CCS)使用手册.北京:清华大学出版社,2005.
[42]梁为民,刘爱琴,朱宗胜等.智能仪表系统设计中抗干扰问题的研究.电子技术应用,2001,9(4):38-40.
[43]Seiichi Kakuma,Ryoji Ohba.Practical Accurate Optical Ranging Based on Polarization Self Modulation of a Vertical-Cavity Surface-Emitting Laser Diode.Optical Review.2003,10(6):511-513.
[44]Jiyuan Liu,Ichirou Yamaguchi.Fringe Locking in a Laser Diode Interferometer under Both Mirror Vibration and Injection Current Modulation.Optical Review.1999,6(5):406-409.
[45]康华光.电子技术基础-模拟部分[M].4版.北京:高等教育出版社,1999.
[46]童涛白.模拟电子技术基础[M].4版.北京:高等教育出版社,2001.
[2]颜满堂.热轧板形的检测与控制[J].梅山科技,2002,(4):4.
[3]刘静涛.冷轧带钢在线板形评价与统计系统研究.北京科技大学硕士学位论文,2001.
[4]陈先霖,张杰等.宽带钢热连轧机板形控制系统的开发.钢铁.2000,35(7):28-33.
[5]于大安.激光原理及其在检测中的应用.沈阳:东北大学出版社,1989.
[6]杨溪林.激光热轧带钢板形测量系统的研究[D].北京:清华大学,1997.
[7]童卫旗.热轧带钢在线测宽技术的发展现状.仪表技术与传感器,2006,(11):1-2.
[8]PENKATZKI.Sehnutz GMG LevellerCheck.Germany.GMG,2002.
[9]Song Zhang,Peisen S.Huang.Noel Method for Structured Light System Calibration.Optical Engineering.2006,45(8):1-8.
[10]金国藩,李景镇.激光测量学[M].北京:科学出版社,1998.
[11]吕百达.激光光学[M].四川大学出版社,1986.
[12]江剑平.半导体激光器.北京:电子工业出版社,2000.
[13]林贻斌.激光三维轮廓检测技术研究.天津理工大学硕士学位论文.2005.
[14]刘磊.图象传感器种类比较与技术应用.科技资讯.2007.
[15]Li Xiaoping.Application Research on Space Laser Communication in Bistatic Radar System.Journal of Beijing Institute of Technology.2003,12(1):19-22.
[16]J.H.Xu,A Simple System of Thermal Control and Frequency Stabilization of Solitary Diode Lasers[J].Review of Scientific Instrument.2000,71(10):3648-3652.
[17]滕明.选择电源改进激光二极管性能[J].闫丽丽,译.红外与激光技术,1994,23(4):58-261.
[18]邹文栋,高益庆.单片机控制的半导体激光驱动电源[J].激光杂志,2002,23(4):70-71.
[19]刘奎学,尹裕,解澎.高精度电流、温度控制器在半导体激光器中的应用[J].电子工业专用设备,2002,31(3):167-170.
[20]李士勇.模糊控制和智能控制理论与应用.哈尔滨:哈尔滨工业大学出版社.1990:230-232.
[21]张娜.半导体激光器恒温控制理论与应用.吉林大学学报理学版,2002,40(3):284-287.
[22]唐文彦,孙晓明,周延周,朱茂华.半导体激光器高精度温度控制系统的设计.哈尔滨土业大学学报,1994,26(4):10-12.
[23]黄岳魏,崔瑞祯,巩马理等.基于TEC的大功率LD恒温控制系统的研究.红外与激光工程.2006,35(2)143-147.
[24]Zhong Guangxue.Thermal Electric Cooler and the Application.Beijing:Scientific Publisher.1991:24-28.
[25]王肖飞,伊红晶,钱龙生.半导体激光器温度控制系统的设计.长春理工大学学报.2005,28(1):20-22.
[26]Maxim.Using Thermistors in Temperature Tracking Power Supplies.Application note 817.2001.
[27]王晓磊,田蔚风,曾连荪等.一种基于Fuzzy-PID的参数自整定恒温控制系统.工业仪表与自动化装置.2004,4:19-22.
[28]孙丽飞,田小建,艾宝丽.大功率半导体激光器的精密模糊PID温控系统.量子电子学报.2005,22(3):382-386.
[29]刘澄.半导体激光器的浪涌损坏及其消除方法.电力环境保护,2003,19(4):49-50.
[30]孙梅生,卢威,徐小鹏.浪涌对半导体激光器的危害及消除方法.激光杂志.2002,23(6):25-28.
[31]Christian H,Michael H,Georg B.Digital to analog conversion by pulse-count modulation methods[J].IEEE Trans.Instrument.Meas,1996,45(4):805-813.
[32]刘澄,刘伟.半导体激光器输出功率自动控制电路.电力环境保护,2004,20(2):56-58.
[33]魏佩敏.半导体激光器的输出功率控制及输出光信号调制.机床与液压2001,(5)61-62.
[34]卢洪斌,王向朝,王学锋,钱锋,陈高庭,方祖捷.半导体激光器光热光频调制特性的理论分析,半导体光电,2001,22(2):136-139.
[35]卢洪斌,王向朝,王学锋,钱锋,宋松,陈高庭,方祖捷.半导体激光器光强光热调制特性的研究.中国激光,2000,27(11):969-972.
[36]National Semiconductor.LM4871 Data sheet,2003.
[37]Analog Devices.AD7856 Data sheet,2000.
[38]Texas Instruments Incorporated.TLV5638 Datasheet.Texas,2000.
[39]Texas Instruments Incorporated.TMS320F281x Digital Signal Processors Data sheet.Texas,2007.
[40]刘和平,邓力等.数字信号处理器原理、结构及应用基础-TMS320F28x.北京:机械工业出版社,2007.
[41]彭启宗。TI DSP集成化开发环境(CCS)使用手册.北京:清华大学出版社,2005.
[42]梁为民,刘爱琴,朱宗胜等.智能仪表系统设计中抗干扰问题的研究.电子技术应用,2001,9(4):38-40.
[43]Seiichi Kakuma,Ryoji Ohba.Practical Accurate Optical Ranging Based on Polarization Self Modulation of a Vertical-Cavity Surface-Emitting Laser Diode.Optical Review.2003,10(6):511-513.
[44]Jiyuan Liu,Ichirou Yamaguchi.Fringe Locking in a Laser Diode Interferometer under Both Mirror Vibration and Injection Current Modulation.Optical Review.1999,6(5):406-409.
[45]康华光.电子技术基础-模拟部分[M].4版.北京:高等教育出版社,1999.
[46]童涛白.模拟电子技术基础[M].4版.北京:高等教育出版社,2001.