| 溶解氧智能传感器补偿校正方法研究与应用 |
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| 引用本文： | 丁启胜,马道坤,李道亮. 溶解氧智能传感器补偿校正方法研究与应用[J]. 山东农业大学学报(自然科学版), 2011, 42(4): 567-571,578 |
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| 作者姓名： | 丁启胜 马道坤 李道亮 |
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| 作者单位： | 1. 徐州师范大学电气工程及自动化学院,徐州221116;中国农业大学信息与电气工程学院,北京100083
2. 中国农业大学信息与电气工程学院,北京,100083 |
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| 基金项目： | 国家科技重大专项课题(2010ZX03006-006); 北京市自然科学基金项目(4092024) |
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| 摘 要： | 本文针对影响C lark溶氧电极输出信号的主要因素,采用IEEE1451.2智能传感器的设计思想,研制了具有温度补偿和自校准等功能的溶解氧智能传感器。该智能传感器温度补偿算法采用曲线拟合法,零点和斜率可以通过校准程序自动修改。系统设计采用低电压、低功耗芯片,适用于电池供电的无线传感网络。测试结果表明,采用该补偿校准方法可以明显改善C lark溶解氧传感器的测量精度、使用寿命和适用范围。
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| 关 键 词： | 溶解氧 智能传感器 补偿校正 IEEE1451 |
RESEARCH AND APPLICATION ON COMPENSATION AND CALIBRATION METHODS FOR SMART SENSOR OF DISSOLVED OXYGEN |
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| DING Qi-sheng,MA Dao-kun,LI Dao-liang. RESEARCH AND APPLICATION ON COMPENSATION AND CALIBRATION METHODS FOR SMART SENSOR OF DISSOLVED OXYGEN[J]. Journal of Shandong Agricultural University, 2011, 42(4): 567-571,578 |
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| Authors: | DING Qi-sheng MA Dao-kun LI Dao-liang |
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| Affiliation: | DING Qi-sheng1,2,MA Dao-kun2,LI Dao-liang2(1.Xuzhou Normal University,School of Electrical Engineering and Automation,Xuzhou 221116,China,2.China Agricultural University,College of Information & Electrical Engineering,Beijing 100083,China) |
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| Abstract: | In this paper,according to the main influencing factors of the Clark type oxygen electrode,a smart sensor of dissolved oxygen was developed;it adopted IEEE1451 protocol's idea,with temperature compensation and self-calibration functions.The temperature compensation adopted curve fitting method,its zero and slope can be modified by calibration program.The system was designed by low-voltage and low-power IC,so it can be used in battery-powered Wireless Sensor Networks.The experimental results show that the me... |
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| Keywords: | IEEE1451 dissolved oxygen smart sensor compensation and calibration |
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