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整车总装车间公用二次管线及其钢结构
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作者 姚乐鹏 《科技信息》 2012年第17期82-82,86,共2页
公用二次管线系统及其钢结构(the second utility and steel structure system)是总装车间公用系统与工艺设备之间的桥梁,它把车间各配套设施与操作工位密切联系在一起。公用二次管线如何合理规划,使之更好地服务于生产,是我们在完成工... 公用二次管线系统及其钢结构(the second utility and steel structure system)是总装车间公用系统与工艺设备之间的桥梁,它把车间各配套设施与操作工位密切联系在一起。公用二次管线如何合理规划,使之更好地服务于生产,是我们在完成工厂规划时必须研究的重要课题之一。 展开更多
关键词 公用二次管线及其钢结构 整车总装
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杭钢电炉除尘系统的改造
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作者 魏红 《浙江冶金》 2004年第2期30-32,共3页
杭钢昌兴电炉原除尘系统除尘效果差,其原因是除尘能力不足和部分设备设计不合理。介绍了除尘系统改造的要点和改造后的效果。
关键词 炼钢 电炉 除尘系统 管线 二次管线 混合室 除尘器 主风机 加压风机 过滤风速 变频调速
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Design and evaluation of control systems for a real canal 被引量:6
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作者 SHANG YiZi ROGERS Peter WANG GuangQian 《Science China(Technological Sciences)》 SCIE EI CAS 2012年第1期142-154,共13页
The distant downstream proportional integral(PI) feedback control was applied to the W-M lateral canal of the Maricopa Stanfield Irrigation and Drainage District located in central Arizona,U.S.A.Proper configuration o... The distant downstream proportional integral(PI) feedback control was applied to the W-M lateral canal of the Maricopa Stanfield Irrigation and Drainage District located in central Arizona,U.S.A.Proper configuration of those controls for the ca-nal can be challenging.Towards this end,an integrated approach to the design of an automatic control system for the canal was proposed.This approach presented herein is not only a systematical review of previous work,but also represents a further ad-vance of the previous simulation study by Tsinghua University(Shang et al,2011) on relating the canal control algorithm to local PI controls for the real canal.To evaluate the control system potential,performance of the control algorithm that was ob-tained through implanting predicative module into linear quadratic regulator(LQR) was analyzed with singular value bode.Additional "manufactured" tests were conducted to compare with the control system that is currently in use.The results indi-cated that the developed control system rather than the system in current use had considerable potential to closely match dis-charge at the downstream check structures with those ordered by water users while maintaining the water level throughout the length of the canal. 展开更多
关键词 canal control system singular value bode proportional integral (PI) control linear quadratic regulator (LQR)
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