《南水北调与水利科技》：南水北调中线工程槐河（二）渡槽水力特性试验研究（戴梅 陈新桥）（摘要） 关键词：渐变段；糙率；水头损失；闸门开度 [gap=1106]Key words:transition;roughness;loss of head;full-gate opening
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The nonlinearity in the floodgate's opening measuring is analyzed and a method for correcting the nonlinearity is proposed.
对闸门开度测量中的非线性进行了分析，提出了非线性校正的方法。
参考来源 - 水电站分布式闸门开度检测系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了绝对值型旋转编码器通过PLC将格雷码转换成二进制码，实现闸门开度测量的方法。
In this paper, The Grey code of absolute rotary encoder converting to Binary code by PLC is introduced, which realize measuring gate opening.
将直接数字控制器应用于闸门控制，实现闸门开度的数字化控制是顺应水利自动化的号召提出的。
The scheme of DDC (Direct Digital Control) designed in gate controlling so as to realize digital control is put forward to keep up with the calling of hydraulic automation.
对系统中涉及的闸门开度检测、开度控制、利用API函数进行串行通讯等关键技术作了较详细的介绍。
The key technology of gate opening detected, opening controlled, serial communication by API function, are mainly discussed.
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