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针对当前液相乙醇检测存在的缺点,建立基于气液相平衡原理的液相乙醇浓度的软测量计算模型。介绍一种IP模式液相乙醇浓度在线检测系统的研制,主要包括嵌入式系统的硬件结构和整个系统的软件构成。理论和实践表明该系统具有测量准确度高、通用性好、响应速度快,性能稳定等特点。
In view of the shortcomings of current liquid phase ethanol detection, a soft-sensing calculation model of liquid phase ethanol concentration based on the principle of gas-liquid phase equilibrium is established. This paper introduces the development of an on-line detection system for IP mode liquid phase ethanol concentration, which mainly includes the hardware structure of the embedded system and the software composition of the whole system. Theory and practice show that the system has the characteristics of high measurement accuracy, good generality, fast response and stable performance.