基于时分补偿原理的瓦斯检测方法
Zhongguo Kuangye Daxue Xuebao/Journal of China University of Mining and Technology（2008）
Abstract
基于时分信号处理方法和桥路平衡补偿思路,提出用时分补偿原理改善电源波动对催化瓦斯传感器的稳定性和精度造成的影响.利用微处理器实现时分补偿对瓦斯的检测,提出了2种A/D转换积分算法.结果表明:新型检测方法将桥路电压的测量转化为基于微处理器的时间测量,消除了电源波动的影响,其精确度比传统测量方法提高约1.5倍,稳定性提高约3倍.
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Key words
Coal mine,Methane sensor,Microprocessor,Time-division compensation
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