基于ARM7振弦式矿山压力检测系统的研究
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摘要
近些年来,伴随着单片机技术的快速发展,嵌入式系统技术以其自身结构简单、稳定、高效等众多优点成为了当今最热门的技术之一。而μ C/OS-Ⅱ具有结构小巧、性能稳定、代码开源等优点,从而得到广泛的应用。煤矿安全生产中,顶板冒落造成的塌陷事故在所占的重要地位极其重要,一旦出现此类事故不仅造成事后救援工作十分困难,严重危及井下工作人员的生命安全,也会造成重大的经济损失。因此,构建了一种基于ARM7振弦式矿山压力的检测系统来预防此类安全事故的发生尤为必要。
本文在分析国内外矿压检测技术的发展情况下,以检测矿山压力为出发点,结合当前市场矿压检测产品及经典理论对系统进行深入研究分析。针对传统设备成本高、安装复杂、测量精度低、可扩展性能弱、实时性差等缺点进行改造,从而设计了一种基于ARM7振弦式矿山压力的检测系统。该系统采用飞利浦ARM7TDMI-S内核处理器LPC2129,处理器内嵌比较稳定的μ C/OS-Ⅱ作为系统软件核心部分,同时采用高稳定性的振弦式压力传感器检测压力数据,系统主要实现了对振弦式压力传感器对压力值的采集、补偿、CAN传输以及报警等功能,并在保证检测压力值的高精确度的前提下,综合考虑(软件和硬件)如何减少检测过程中背景的干扰,提高系统运行的灵敏度和稳定性。
本系统分别从成本、安装、测量精度、抗干扰、扩张性、实时性等方面考虑,采用软、硬件结合的处理模式,极大地提高了矿压检测系统的运行性能：一方面系统有效地提高了压力的测量精度；另一方面系统具备实时性等优点。
图[53]表[5]参[63]
In recent years, along with the rapid development of the single chip microcomputer, the embedded system technology has become one of the most popular technology for its simple structure, stability and efficience. UC/OS-II, the embedded RTOS, is widely used for its advantages of structure compact, performance stable and source open. In coal mine safety production, collapse accident caused by collapse of stope roofs occupies a very important position. Rescue operation for such accident is hard to be proceeded. So this kind of accident will not only endanger the workers' life security, but also Caused significant economic loss. Therefore, it is particularly necessary to build an ARM7-based vibrating wire force detection system for preventing such accidents.
In this paper, we have analyzed the development of domestic and foreign rock pressure detection technology, as a starting point, we detected the mine pressure, and combined with the current market mine pressure testing products and the classical theory making a further research to this system. To transform the high cost, complex in installation, low accuracy, weak in scalability and poor real-time, etc of the traditional facilities, we designed a vibrating detecting system of mine pressure which is based on ARM7. The system uses Philips ARM7TDMI-S core processor LPC2129which is embedded in relatively stable μ C/OS-Ⅱ as a core part of the system, while we uses the vibrating wire pressure sensor which is high stable. The main achievements of this system are vibrating wire pressure sensor pressure value acquisition, compensation, CAN transmission and alarm functions, and to ensure the high accuracy of the detected pressure value of the premise, considering the(software and hardware) how to reduce the detection process of background interference and improve the sensitivity and stability of the system in running.
This system respected from the cost, installation, measurement accuracy, interference, expansion and the real-time into consideration, we use a processing mode, combining the software and hardware, which greatly improved the rock pressure of the operating performance of the detection system:on the one hand, the effective pressure measurement accuracy; the other hand, the system with real-time advantages.
Figure [53] table [5] reference [63]
本文在分析国内外矿压检测技术的发展情况下,以检测矿山压力为出发点,结合当前市场矿压检测产品及经典理论对系统进行深入研究分析。针对传统设备成本高、安装复杂、测量精度低、可扩展性能弱、实时性差等缺点进行改造,从而设计了一种基于ARM7振弦式矿山压力的检测系统。该系统采用飞利浦ARM7TDMI-S内核处理器LPC2129,处理器内嵌比较稳定的μ C/OS-Ⅱ作为系统软件核心部分,同时采用高稳定性的振弦式压力传感器检测压力数据,系统主要实现了对振弦式压力传感器对压力值的采集、补偿、CAN传输以及报警等功能,并在保证检测压力值的高精确度的前提下,综合考虑(软件和硬件)如何减少检测过程中背景的干扰,提高系统运行的灵敏度和稳定性。
本系统分别从成本、安装、测量精度、抗干扰、扩张性、实时性等方面考虑,采用软、硬件结合的处理模式,极大地提高了矿压检测系统的运行性能：一方面系统有效地提高了压力的测量精度；另一方面系统具备实时性等优点。
图[53]表[5]参[63]
In recent years, along with the rapid development of the single chip microcomputer, the embedded system technology has become one of the most popular technology for its simple structure, stability and efficience. UC/OS-II, the embedded RTOS, is widely used for its advantages of structure compact, performance stable and source open. In coal mine safety production, collapse accident caused by collapse of stope roofs occupies a very important position. Rescue operation for such accident is hard to be proceeded. So this kind of accident will not only endanger the workers' life security, but also Caused significant economic loss. Therefore, it is particularly necessary to build an ARM7-based vibrating wire force detection system for preventing such accidents.
In this paper, we have analyzed the development of domestic and foreign rock pressure detection technology, as a starting point, we detected the mine pressure, and combined with the current market mine pressure testing products and the classical theory making a further research to this system. To transform the high cost, complex in installation, low accuracy, weak in scalability and poor real-time, etc of the traditional facilities, we designed a vibrating detecting system of mine pressure which is based on ARM7. The system uses Philips ARM7TDMI-S core processor LPC2129which is embedded in relatively stable μ C/OS-Ⅱ as a core part of the system, while we uses the vibrating wire pressure sensor which is high stable. The main achievements of this system are vibrating wire pressure sensor pressure value acquisition, compensation, CAN transmission and alarm functions, and to ensure the high accuracy of the detected pressure value of the premise, considering the(software and hardware) how to reduce the detection process of background interference and improve the sensitivity and stability of the system in running.
This system respected from the cost, installation, measurement accuracy, interference, expansion and the real-time into consideration, we use a processing mode, combining the software and hardware, which greatly improved the rock pressure of the operating performance of the detection system:on the one hand, the effective pressure measurement accuracy; the other hand, the system with real-time advantages.
Figure [53] table [5] reference [63]
引文
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[38]Yu—Feng, Gupta, Naren. An efficient model for improving performance of vibrating-wire instruments. Measurement:Journal of the International Measurement Confederation,2005,37(3): 278-283
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[2]耿献文.矿山压力测控系统[M].徐州：中国矿业大学出版社,2002 18-20
[3]华安增.矿山岩石力学基础[M].北京：煤炭工业出版社,1980
[4]张国华李凤仪.矿井围岩控制与灾害防治[M].狳州：中国矿业大学出版社,2009 202-204
[5]宋振骐.实用矿山压力控制[M].泰安：山东矿业学院矿压研究所,1992
[6]戴明利.矿山压力在线实时监测系统设计与实现[J].金属矿山2010,6
[7]付东波采动应力监测系统的设计[J].煤矿开采,2009,14(6)：13-16.
[8]齐庆新.窦林名.冲击矿压理论与技术[M].徐州：中国矿业大学出版社。2008
[9]孙继平.矿井安全监控系统[M].狳州：中国矿业大学出版社,2006 56-57
[10]张鉴秋.一种新型振弦式压力传感器的研制[].2008,05 44
[11]白泽生,基于振弦式传感器测频系统的设计[J].现代电子技术,2007(13)；135-137.
[12]江修,基于扫频激振技术的振弦式传感器[J].传感器技术,2001,20(5)：22-24.
[13]潘研,基于振弦式传感器的测频系统设计[J].仪表技术与传器,2008(11)；99-101.
[14]郑凌蔚.一种振弦式传感器温度补偿新方法及其实现.杭州电子科技大学学报,2006,26(6)： 75.78
[15]张辉,付东波等.振弦式传感器在矿压测量中的应用研究[J].煤矿开采,2007(6)；5-8.
[16]王清标,贾宏俊,王矿渭明等.矿山压力检测仪器技术新进展及应用[J].地下空间与工程学报,2006,2(8)1473-1476.
[17]白泰礼,何羚,王彩云,等.基于振弦式传感器的多功能智能检测仪[J].传感器技术,2004,23(3)60-62.
[18]高友.振弦式传感器测量过程中干扰问题的解决[J].仪表技术与传感器,2007(2)54-55.
[19]崔玉亮,邓铁六,于凤.谐振式传感器理论及测试技术[M].北京：煤炭工程出版社,1997.
[20]邵贝贝.嵌入式实时操作系统μC/OS-Ⅱ原理及应用(第2版)[M].北京：北京航空航天大学出版社,2009
[21]张静,张凯.实时操作系统μC/OS-Ⅱ在ARM7上移植的研究与实现.计算机工程与应用[J],2004.4.
[22]Labrosse J J. MicroC/OS-II-The Real-time-Kernel(Second Edition)[M]. USA:CMP Book, 2002.
[23]田泽.嵌入式系统开发与应用[M].北京：北京航空航天大学出版社,2005
[24]桑楠.嵌入式系统原理及应用开发技术[M].北京：北京航空航天大学出版社,2002
[25]蒋书波.实时操作系统用于嵌入式应用系统的设计[J].电测与仪表,2001,38(8)
[26]NXP Semiconductors Limited. LPC21xx User manual [OL]. http://www.nxp.com
[27]邵贝贝.一种源码公开的实时嵌入式操作系统μ C/OS-Ⅱ[J].世界电子元器件,2001,(10)：41-42
[28]JEAN J. LABROSSE. MicroCOS-II The Real-Time Kernel Second Edition[M]. USA:CMP Media LLC,2002
[29]IAR Systems AB. IAR Embedded Workbench(?)IDE User Guide[OL]. www.iar.com/,2008-1
[30]Halang W A. Measuring the Performance of Real-time Systems[J]. Thelnternational Journal of Time-critical Computing Systems,2000,18(1):59-68.
[31]Jae-Ho Lee. Implementing priority inheritance semaphore on II μC/OS-II real-time kernel. In:Proc of IEEE Workshop on Software Technologies for Future Embedded Systems, USA:IEEE Computer Society Press,2003:83-86
[32]M. Masmano, I. Ripoll, A. Crespo, and J. Real. TLSF:A New Dynamic Memory Allocator for Real-Time Systems. In 16th Euromicro Conference on Real-Time Systems,2004:79-88
[33]何立民.嵌入式系统的定义与发展历史[J].单片机与嵌入式系统应用,2004,34(1)：3-6.
[34]周立功.ARM微控制器基础与实践[M].北京：北京航天航空大学出版社,2005
[35]http://www.geokon.com.cn/北京基康仪器
[36]康华光.电子技术基础模拟部分[M],高等教育出版社,2006
[37]付东波,基于uCAN总线的矿山压力监测远程传输解决方案[J].2010.8
[38]Yu—Feng, Gupta, Naren. An efficient model for improving performance of vibrating-wire instruments. Measurement:Journal of the International Measurement Confederation,2005,37(3): 278-283
[39]BGK-4900锚索测力计安装使用手册.基康公司
[40]Fielder, Roberts, Palmer, Matthew E, Davis, Matthew A. Active temperature compensation using high-temperature(8000C)fiber optic hybrid pressure and temperature sensor. Collection of Technical Papers-44th AIAA Aerospace Sciences Meeting,2006,18:13666-13674
[41]Kuhinek, Dalibor, Igor. Enhanced vibrating wire strain sensor. Instrumentation and Measurement Technology,2007,4:258-286
[42]邓铁六,王清标,马俊亭等.长效振弦式锚索测力计研究.270-276
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