{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"本文在进行模型水轮机试验的基础上,完成了开敞式蜗壳轴流式模型水轮机的全流道三维定常湍流计算.计算程序以雷诺时均连续方程和N-S方程作为控制方程,选用标准κ-ε双方程湍流模型使方程组封闭.数值求解通过SIMPLEC算法实现速度、压力的分离求解,离散差分格式具有二阶精度.通过计算获得了各过流部件的流动细节,<span style=\"color:red\">预估</span>了水轮机的能量<span style=\"color:red\">性能</span>,并与试验结果进行了比较.","authors":[{"authorName":"吴墒锋","id":"75c6fa29-5077-41cf-a07a-c31edb2e57c6","originalAuthorName":"吴墒锋"},{"authorName":"何国任","id":"859d183e-67e7-4a1a-a6fe-574eed14e81c","originalAuthorName":"何国任"},{"authorName":"吴玉林","id":"f0c51a94-3afc-446a-bfb7-92266719f7bb","originalAuthorName":"吴玉林"},{"authorName":"刘树红","id":"2d49ccce-8e92-4aae-849f-25a8802fe098","originalAuthorName":"刘树红"}],"doi":"","fpage":"959","id":"60ed4ae4-5a51-46f5-ae83-5e96aad61730","issue":"6","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"16f06a47-5750-4f38-98b8-0d2d52f065b9","keyword":"三维定常湍流计算","originalKeyword":"三维定常湍流计算"},{"id":"8f3b3f68-a359-4b16-8f89-1a616514bc32","keyword":"轴流式模型水轮机","originalKeyword":"轴流式模型水轮机"},{"id":"7298a1b3-41b5-4a47-b98a-ab1f880ca620","keyword":"开敞式蜗壳","originalKeyword":"开敞式蜗壳"},{"id":"fccb6c91-334b-4326-8bd1-65cd424ec01f","keyword":"<span style=\"color:red\">性能</span><span style=\"color:red\">预估</span>","originalKeyword":"性能预估"}],"language":"zh","publisherId":"gcrwlxb200406017","title":"开敞式蜗壳轴流式水轮机湍流计算及<span style=\"color:red\">性能</span><span style=\"color:red\">预估</span>","volume":"25","year":"2004"},{"abstractinfo":"为了提高风机<span style=\"color:red\">性能</span>数值计算的准确性,本文应用Fluent软件对低压轴流风机整机<span style=\"color:red\">性能</span>进行数值模拟,分析不同湍流模型条件下,风机气动<span style=\"color:red\">性能</span>的差别.同时,通过合理建立数值模型、设置边界条件、选取与实际工况一致的风机静压来提高数值模拟精度和可靠性.最后,针对不同工况下数值模拟的收敛判定提出建议.本文研究结果将对聚能型风力机的数值模拟研究起指导性作用.","authors":[{"authorName":"姜鑫","id":"0117d662-4055-481a-b18f-5fa8c35fb477","originalAuthorName":"姜鑫"},{"authorName":"孟丽","id":"4cdb8581-5d22-4350-a397-1503bc752bb5","originalAuthorName":"孟丽"},{"authorName":"李嵩","id":"11dfa9f3-e946-4f67-b1a0-a5110374d2e4","originalAuthorName":"李嵩"},{"authorName":"田瑞","id":"4ac627e8-493b-40b1-9104-b79663c78241","originalAuthorName":"田瑞"}],"doi":"","fpage":"893","id":"1b4dd9e8-d094-488f-9e84-04c374dbe7e3","issue":"5","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"072cd9bc-1523-45e6-bd1b-701eac1432c5","keyword":"轴流风机","originalKeyword":"轴流风机"},{"id":"7a9c92b9-e6b4-4acd-9f85-d8d32c1797c2","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"6c789c30-c168-467f-a356-e4cc0bdb64af","keyword":"<span style=\"color:red\">性能</span><span style=\"color:red\">预估</span>","originalKeyword":"性能预估"}],"language":"zh","publisherId":"gcrwlxb201405015","title":"风机三维气动<span style=\"color:red\">性能</span>数值分析研究","volume":"35","year":"2014"},{"abstractinfo":"针对加热炉等时滞被控对象,在分析改进型Smith<span style=\"color:red\">预估</span>补偿控制方案的基础上,研究了滤波时间常数tf的整定规则,提出了模糊自整定Smith<span style=\"color:red\">预估</span>补偿控制方案.仿真研究表明,当参数发生变化时,该方案具有较强的鲁棒性和较好的控制<span style=\"color:red\">性能</span>.","authors":[{"authorName":"韩如成","id":"511e5d42-60a3-4ed3-8219-3c84acd021f8","originalAuthorName":"韩如成"},{"authorName":"李霄峰","id":"ed07a0d9-8915-47a8-a6a4-fdf88c2e519e","originalAuthorName":"李霄峰"},{"authorName":"王亚慧","id":"1f2aa445-879c-430c-a5be-d84696419b8d","originalAuthorName":"王亚慧"}],"doi":"","fpage":"52","id":"e1c715cc-3d4d-44c8-84b0-b6632b73a98c","issue":"4","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"96eda7a3-6e2e-4fab-9229-ed74902f89b8","keyword":"时滞系统","originalKeyword":"时滞系统"},{"id":"40d76d30-7400-4580-a804-64e354b7b79a","keyword":"模糊自整定","originalKeyword":"模糊自整定"},{"id":"d35baa12-b388-4181-a26a-09f7ecfa9fa8","keyword":"Smith<span style=\"color:red\">预估</span>器","originalKeyword":"Smith预估器"}],"language":"zh","publisherId":"gt199904014","title":"大时滞系统模糊自整定Smith<span style=\"color:red\">预估</span>补偿控制方案的研究","volume":"","year":"1999"},{"abstractinfo":"根据带钢<span style=\"color:red\">性能</span>和工艺开发的要求,开发了机架前后配置张力液压缸的直拉式冷轧实验机.通过设置张力控制器直接对实际张力进行闭环控制的方式,无法实现张力液压缸速度与轧制速度的匹配,也无法满足动态下高精度且稳定的张力控制要求.针对此问题,通过对张力液压缸流量方程的研究,提出了基于流量<span style=\"color:red\">预估</span>的液压张力控制策略.流量<span style=\"color:red\">预估</span>控制精确计算出同时满足张力液压缸移动速度和设定张力的伺服阀控制电流,同时对控制因子进行在线修正以获得最优<span style=\"color:red\">预估</span>控制效果.动态张力补偿控制补偿<span style=\"color:red\">预估</span>控制后剩余的张力偏差.现场应用效果表明,该策略取得了良好的控制效果,动态下张力控制误差小于±3％.","authors":[{"authorName":"张浩宇","id":"7a2c0a74-8f16-4d8f-a3b5-6baa6d7408a7","originalAuthorName":"张浩宇"},{"authorName":"孙杰","id":"0b0753ec-b856-42f7-bf48-6e650aa065f3","originalAuthorName":"孙杰"},{"authorName":"张殿华","id":"d2ada4b3-af8f-4e02-88d0-6117365480a8","originalAuthorName":"张殿华"},{"authorName":"曹剑钊","id":"c3352b84-dc95-4ac7-a953-7c1d2f50596a","originalAuthorName":"曹剑钊"}],"doi":"","fpage":"283","id":"b4224677-371d-412a-96d3-7faede28eda9","issue":"4","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"9a167288-4ee3-49c3-be4b-02c99cbaa7cf","keyword":"直拉式冷轧实验机","originalKeyword":"直拉式冷轧实验机"},{"id":"6b1682ff-6e9f-4753-ac67-5bd29c2545ad","keyword":"液压张力控制","originalKeyword":"液压张力控制"},{"id":"15e272f2-0ed3-4f94-8dc2-d7f08153aa14","keyword":"流量<span style=\"color:red\">预估</span>控制","originalKeyword":"流量预估控制"},{"id":"1132561d-cab6-40a5-83fd-17e4e9a5b20f","keyword":"动态张力补偿控制","originalKeyword":"动态张力补偿控制"},{"id":"381d124e-4d59-4a30-9ce7-4ca4021bece3","keyword":"控制因子修正","originalKeyword":"控制因子修正"}],"language":"zh","publisherId":"clyyjxb201304011","title":"基于流量<span style=\"color:red\">预估</span>的直拉式冷轧机液压张力控制策略","volume":"12","year":"2013"},{"abstractinfo":"作为现代轧机核心技术的板厚控制系统,其<span style=\"color:red\">性能</span>直接决定了轧制产品质量,提高该系统的控制<span style=\"color:red\">性能</span>具有重要意义.为此,建立了考虑延时环节的板厚控制模型,通过在Smith<span style=\"color:red\">预估</span>控制器的反馈回路串接低通滤波器对系统进行<span style=\"color:red\">预估</span>控制,用来对控制器进行补偿,以提高控制系统鲁棒性.针对改进后系统可调参数多,参数调整困难的问题,提出通过遗传算法程序进行PI控制器及滤波补偿器参数的整定.仿真研究结果表明,基于遗传算法参数寻优的Smith<span style=\"color:red\">预估</span>控制器低通滤波补偿算法提高了系统鲁棒性和系统控制精度,达到了期望的控制<span style=\"color:red\">性能</span>.","authors":[{"authorName":"董敏","id":"219d5e10-53fb-443b-9f28-292fb774a191","originalAuthorName":"董敏"},{"authorName":"董广山","id":"fd362cb8-3ed0-4855-ab2c-e6a9fb4cc28f","originalAuthorName":"董广山"}],"doi":"10.13228/j.b0yuan.issn1001-0963.20130452","fpage":"31","id":"8d4157f9-23fb-4714-8d62-a96f76ac6d75","issue":"3","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"8ef7e1ab-1456-4f6c-a956-a1dd2acf1666","keyword":"板厚控制","originalKeyword":"板厚控制"},{"id":"532872bc-25f2-423a-88b4-fb9185535780","keyword":"<span style=\"color:red\">预估</span>补偿","originalKeyword":"预估补偿"},{"id":"fa8fa6f2-d602-48ff-8d51-394289cca980","keyword":"低通滤波","originalKeyword":"低通滤波"},{"id":"3283ab3c-de62-479b-8f6d-66e7baea37b7","keyword":"遗传算法","originalKeyword":"遗传算法"}],"language":"zh","publisherId":"gtyjxb201503007","title":"采用Smith<span style=\"color:red\">预估</span>低通滤波补偿的AGC控制系统","volume":"27","year":"2015"},{"abstractinfo":"针对热轧层流冷却区带钢温度控制系统的滞后性,介绍了模糊控制与Smith<span style=\"color:red\">预估</span>器相结合的模糊<span style=\"color:red\">预估</span>反馈控制补偿策略.此控制器比常规控制器调节时间短、响应快,且能有效地消除纯滞后环节所产生的振荡.由于其实现简单、稳定性高,得到了实际应用,卷取温度精度可控制在±10℃之内.","authors":[{"authorName":"何立平","id":"e4f65eb9-ca64-4002-a816-999a87216317","originalAuthorName":"何立平"},{"authorName":"李旭","id":"760afdb4-1bf0-46b0-8417-c08bbd672704","originalAuthorName":"李旭"},{"authorName":"刘相华","id":"cd417aa6-83bd-4c4c-b926-d3c0ec0eb326","originalAuthorName":"刘相华"},{"authorName":"张殿华","id":"320888fe-c760-4dd8-aa45-c8393a9095b4","originalAuthorName":"张殿华"},{"authorName":"彭泽波","id":"085bb6da-9d69-4e18-8e73-a49f8a69b85d","originalAuthorName":"彭泽波"},{"authorName":"张其生","id":"d8711bff-83d6-44e5-998f-95e12b7cfe89","originalAuthorName":"张其生"}],"doi":"","fpage":"23","id":"b0c0ca51-eca8-4900-b847-d1720f4b0c88","issue":"8","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"8b221ef0-f714-42bf-93cd-356087d2875d","keyword":"热连轧","originalKeyword":"热连轧"},{"id":"5480d430-71b9-401e-b7a4-430b4d3039b2","keyword":"层流冷却","originalKeyword":"层流冷却"},{"id":"b141481d-0a97-452a-96bf-76bab3cb20cc","keyword":"模糊控制","originalKeyword":"模糊控制"},{"id":"ea647b80-e848-4fdf-a6c2-9e37b0090316","keyword":"Smith<span style=\"color:red\">预估</span>器","originalKeyword":"Smith预估器"},{"id":"9c279af0-4706-46da-ba33-2dcd6bf17e93","keyword":"卷取温度","originalKeyword":"卷取温度"}],"language":"zh","publisherId":"gtyjxb200608006","title":"热连轧带钢卷取温度的模糊<span style=\"color:red\">预估</span>控制","volume":"18","year":"2006"},{"abstractinfo":"表面张力是有沸腾和凝结换热计算必不可少的物性参数,目前国际上已商业化使用或提出的潜在的环保工质,大多数为氢氟烃(HFC)混合物,尤其是R22和R502的替代物.本文应用对比态原理和重正化群理论,提出了一种新的HFC类物质混合物表面张力的<span style=\"color:red\">预估</span>方程,并与国际上现有的<span style=\"color:red\">预估</span>式进行了比较分析.新<span style=\"color:red\">预估</span>式可以在广阔的温度范围内较高精度地再现实验数据,计算精度可以满足工程应用的需要.","authors":[{"authorName":"林鸿","id":"95d765bf-a843-4fcf-8b96-ce159ee60b49","originalAuthorName":"林鸿"},{"authorName":"段远源","id":"9ad72b7e-76ac-4775-8158-f57787b02c69","originalAuthorName":"段远源"}],"doi":"","fpage":"150","id":"2c96da24-3c21-4507-900f-0a907b4ee2d0","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"c81a27d5-1496-4876-842f-56a79a07ce04","keyword":"氢氟烃(HFC)","originalKeyword":"氢氟烃(HFC)"},{"id":"854857de-d5d4-4b68-b560-74ebfb143284","keyword":"混合物","originalKeyword":"混合物"},{"id":"bf3e3d72-ee8e-489a-b85b-af5bbe53a189","keyword":"表面张力","originalKeyword":"表面张力"},{"id":"81619823-02fe-4a0e-b819-97c2afc64c9e","keyword":"<span style=\"color:red\">预估</span>方程","originalKeyword":"预估方程"}],"language":"zh","publisherId":"gcrwlxb200202005","title":"HFC混合物表面张力的<span style=\"color:red\">预估</span>方程","volume":"23","year":"2002"},{"abstractinfo":"针对带钢冷连轧机厚度控制这一纯滞后系统,常规监控AGC很难取得良好的控制<span style=\"color:red\">性能</span>,基于Smith<span style=\"color:red\">预估</span>控制器的监控AGC系统经<span style=\"color:red\">预估</span>补偿后可以使闭环系统特征方程中不含时滞项,从而获得更好的控制效果。基于调速调厚控制理念,建立监控AGC系统的控制模型,给出了输入量的获取方法和滤波处理方法,同时给出了速度修正量和解耦环节的计算模型。实际应用表明,该监控AGC系统稳定性好,控制精度高,实际出口厚度偏差可以控制在±0.5%以内。","authors":[{"authorName":"张殿华","id":"8698aa92-5d61-4ab5-be60-aa6a7a6545f8","originalAuthorName":"张殿华"},{"authorName":"张欣","id":"36b3efa1-f997-4acb-ae5d-709adc832c8b","originalAuthorName":"张欣"},{"authorName":"李旭","id":"05e4b554-2c77-429f-8faa-84497be372ee","originalAuthorName":"李旭"},{"authorName":"孙杰","id":"bc72d2fb-864b-4efb-a35d-342502975100","originalAuthorName":"孙杰"},{"authorName":"谷德昊","id":"39f99e1f-e13c-473b-9022-393f2fd64f0b","originalAuthorName":"谷德昊"}],"doi":"","fpage":"60","id":"1ce023f6-8a88-400f-af12-2bc868bca752","issue":"12","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"f801a7a5-e327-4087-b324-a18df86f9b9e","keyword":"Smith<span style=\"color:red\">预估</span>控制器","originalKeyword":"Smith预估控制器"},{"id":"62e2c244-fbce-4076-8c93-7aceebd127bd","keyword":"监控AGC","originalKeyword":"监控AGC"},{"id":"734d1251-3c7b-4760-b5d2-a0a82edfe9f9","keyword":"冷连轧","originalKeyword":"冷连轧"}],"language":"zh","publisherId":"gtyjxb201112014","title":"基于Smith<span style=\"color:red\">预估</span>控制器的监控AGC在冷连轧机上的应用","volume":"23","year":"2011"},{"abstractinfo":"针对带钢冷连轧机厚度控制这一纯滞后系统，常规监控AGC很难取得良好的控制<span style=\"color:red\">性能</span>，基于Smith<span style=\"color:red\">预估</span>控制器的监控AGC系统经<span style=\"color:red\">预估</span>补偿后可以使闭环系统特征方程中不含时滞项，从而获得更好的控制效果。基于调速调厚控制理念，建立监控AGC系统的控制模型，给出了输入量的获取方法和滤波处理方法，同时给出了速度修正量和解耦环节的计算模型。实际应用表明，该监控AGC系统稳定性好，控制精度高，实际出口厚度偏差可以控制在±05%以内。","authors":[{"authorName":"张殿华，张欣，李旭，孙杰，谷德昊","id":"f3796601-ef8c-4be5-9453-fd48b7700545","originalAuthorName":"张殿华，张欣，李旭，孙杰，谷德昊"}],"categoryName":"|","doi":"","fpage":"60","id":"90696df0-4fdc-4168-8fe0-98321a849d16","issue":"12","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"70053a94-215a-47c5-9ac0-b890cf65b99e","keyword":"Smith<span style=\"color:red\">预估</span>控制器 ","originalKeyword":"Smith预估控制器 "},{"id":"f3ea7c7d-d80e-4f4f-a54a-75687a20505c","keyword":" monitor AGC ","originalKeyword":" monitor AGC "},{"id":"c9246d36-7eaf-410f-9a65-dd5b64730379","keyword":" tandem cold rolling","originalKeyword":" tandem cold rolling"}],"language":"zh","publisherId":"1001-0963_2011_12_3","title":"基于Smith<span style=\"color:red\">预估</span>控制器的监控AGC在冷连轧机上的应用","volume":"23","year":"2011"},{"abstractinfo":"在铝阳极氧化染色配色过程中，通常依靠目测进行对色或以测色仪测试色相变化，再进行人为调整。此方式不仅准确度差，而且费时费力。为了解决目前配色产业所遭遇的困难，提升配色效率，以黄色和红色两种染料(EVERANOD YELLOW L-03和EVERANOD RED L-01)依照不同配比(100∶0、75∶25、50∶50、25∶75和0∶100)混合，测试了不同染色时间以及同一染色时间(15 min)、不同染色浓度下上色的L*、a*、b*值，再利用统计方法进行分析，找出L*、a*、b*的<span style=\"color:red\">预估</span>方程式，据此推算出上述不同条件下的L*、a*、b*值。结果表明，在不同染色时间以及相同染色时间、不同染色浓度下，L*、a*、b*的<span style=\"color:red\">预估</span>值与实测值差异都在8%以内，说明<span style=\"color:red\">预估</span>方程式具有一定的准确性。该方法可以节省试验时间，提高配色效率。","authors":[{"authorName":"江富诚","id":"9b160f22-7d7b-44d9-95bd-e505fc6cd493","originalAuthorName":"江富诚"},{"authorName":"张政乾","id":"2c557b52-a8bd-48eb-bd5f-39cd56c4ea1e","originalAuthorName":"张政乾"},{"authorName":"林舜得","id":"3db4936e-1bae-457d-b1ae-8d6176771793","originalAuthorName":"林舜得"}],"doi":"","fpage":"43","id":"c531da6e-5398-4ba3-abc9-03edf6ac7b3a","issue":"1","journal":{"abbrevTitle":"DDYTS","coverImgSrc":"journal/img/cover/DDYTS.jpg","id":"21","issnPpub":"1004-227X","publisherId":"DDYTS","title":"电镀与涂饰   "},"keywords":[{"id":"e65bc121-d980-4848-bc0d-bd4d515e1a92","keyword":"铝","originalKeyword":"铝"},{"id":"8387788a-b4b9-48c7-bb31-156667456904","keyword":"阳极氧化","originalKeyword":"阳极氧化"},{"id":"f9c680bb-2409-4270-9673-a80ceea12779","keyword":"染色","originalKeyword":"染色"},{"id":"343fabd3-6b35-4a62-8ce0-e6c6798a551c","keyword":"配色","originalKeyword":"配色"},{"id":"51d455c8-8134-458f-b291-9dd231014eb1","keyword":"<span style=\"color:red\">预估</span>","originalKeyword":"预估"}],"language":"zh","publisherId":"ddyts201501009","title":"铝阳极氧化染色配色<span style=\"color:red\">预估</span>系统的建立","volume":"","year":"2015"}],"totalpage":8684,"totalrecord":86831}