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基于模糊理论的蒸汽加热罐温度控制系统的设计 被引量:5
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作者 张开生 折娇 《传感器与微系统》 CSCD 北大核心 2012年第2期118-120,共3页
依据模糊自整定PID调节方式,将DS18B20采集的温度信号传送给微处理器LPC2103,以控制相应的调节阀,实现对蒸汽加热罐的温度进程控制,控制精度可达±0.2℃,从而有效调控猕猴桃果脯的含糖量,提高猕猴桃果脯质量。该控制系统结构简单,... 依据模糊自整定PID调节方式,将DS18B20采集的温度信号传送给微处理器LPC2103,以控制相应的调节阀,实现对蒸汽加热罐的温度进程控制,控制精度可达±0.2℃,从而有效调控猕猴桃果脯的含糖量,提高猕猴桃果脯质量。该控制系统结构简单,能够较好地克服温度对象的纯滞后特性,控制响应时间短,超调小。 展开更多
关键词 蒸汽加热罐 控制系统 嵌入式 DS18B20 模糊自整定PID
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Research of Influence of Steam Contact Heating on Thermal Stability of a Wall of Glass Canning Jar
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作者 Yakov G. Verkhivkert Ella I. Altman 《Journal of Environmental Science and Engineering(B)》 2012年第3期293-298,共6页
One of ways of intensification of process of manufacture of heterogeneous tinned products of fruits and vegetables is the use of sated water steam (Patent of USSR No. 500792). This process at application as consumer... One of ways of intensification of process of manufacture of heterogeneous tinned products of fruits and vegetables is the use of sated water steam (Patent of USSR No. 500792). This process at application as consumer glass container for such products is especially effective. However, there are some questions which are connected with thermal influence on glass container at realization of such heating. The given research is devoted as the decision of practical questions arising at process engineers. 展开更多
关键词 FRUITS VEGETABLES glass canning jar heat water steam.
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