Article(id=1297211715779851218, tenantId=1146029695717560320, journalId=1296125453100220459, issueId=1297211624738284246, articleNumber=null, orderNo=null, doi=10.11975/j.issn.1002-6819.202601268, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1769356800000, receivedDateStr=2026-01-26, revisedDate=1773244800000, revisedDateStr=2026-03-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1787208974069, onlineDateStr=2026-08-20, pubDate=1782748800000, pubDateStr=2026-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787208974069, onlineIssueDateStr=2026-08-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787208974069, creator=13701087609, updateTime=1787208974069, updator=13701087609, issue=Issue{id=1297211624738284246, tenantId=1146029695717560320, journalId=1296125453100220459, year='2026', volume='42', issue='12', pageStart='1', pageEnd='396', issueExtLink='null', onlineDate='null', pubDate='1782748800000', pubDateStr='2026-06-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1787208952364, creator='13701087609', updateTime=1787212261177, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297225503002357852, tenantId=1146029695717560320, journalId=1296125453100220459, issueId=1297211624738284246, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297225503002357853, tenantId=1146029695717560320, journalId=1296125453100220459, issueId=1297211624738284246, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=10, endPage=20, ext={EN=ArticleExt(id=1297211715989566419, articleId=1297211715779851218, tenantId=1146029695717560320, journalId=1296125453100220459, language=EN, title=Design and experiment of supplementary feeding pusher robot for cowshed based on DEM-MBD, columnId=1297211670816907294, journalTitle=Transactions of the Chinese Society of Agricultural Engineering, columnName=Special Topics on Smart Animal-raising Technologies and Livestock Equipment(2): Smart Equipment and Environmental Engineering, runingTitle=null, highlight=null, articleAbstract=
To address the feed arching phenomenon that occurs during the feeding process of beef cattle and to satisfy the individualized feeding requirements of beef cattle, a roller-brush type supplementary feeding and pushing robot was designed in this study, which consists of a roller-brush pushing device, a screw-type supplementary feeding device, and an Ackermann chassis. The structural design of the feeding screw and the pushing roller brush was completed, and the motion behavior of feed particles was analyzed. In order to investigate the influence of the motion parameters of the supplementary feeding and pushing robot on the feeding and pushing performance, a simulation analysis of the robot’s motion process was carried out based on the EDEM-RecurDyn coupling method. First, the contact parameters among total mixed ration (TMR) particles as well as between the feed and the mechanical components were determined. Subsequently, dynamic models of the supplementary feeding device and the pushing device were respectively constructed in RecurDyn, and a flexible mesh was generated for the roller brush. Finally, a feed particle model was built in the EDEM software, and the device models were imported to complete the coupled simulation. In the study of feeding performance, the screw rotation speed and the robot’s travelling speed were taken as experimental factors, while feeding uniformity and feeding efficiency were used as evaluation indicators. In the study of pushing performance, the roller brush rotation speed, the roller brush deflection angle, and the robot’s travelling speed were taken as experimental factors, and the pushing rate and pushing efficiency were used as evaluation indicators. Single-factor and orthogonal experimental methods were adopted for the simulation tests. The simulation results showed that when the screw rotation speed of the supplementary feeding and pushing robot was 160 r/min, the robot travelling speed was 0.68 m/s, the roller brush rotation speed was 450 r/min, and the roller brush deflection angle was 40°, the feeding uniformity exceeded 96%, the feeding efficiency reached 120.6 kg/min, the pushing rate was 98.25%, and the pushing efficiency was 418.94 kg/min. Prototype tests were carried out under these optimal parameters, and the obtained results were as follows: feeding uniformity greater than 93%, feeding efficiency of 135.8 kg/min, pushing rate of 97.90%, and pushing efficiency of 311.90 kg/min. The designed robot exhibits good working performance and can meet the auxiliary feeding requirements of small- and medium-scale cattle barns.
, authors=Wenjie ZHAO
1, 2, Xiaozhe WU
1, 2, Liang ZHAI
1, 2, Hengxu ZHU
1, 2, Hongming ZHANG
3, Pengpeng SUN
3, Tianben WANG
3, Wei LI
1, 2, *, authorsList=Wenjie ZHAO, Xiaozhe WU, Liang ZHAI, Hengxu ZHU, Hongming ZHANG, Pengpeng SUN, Tianben WANG, Wei LI, authorCompany=null, correspAuthors=Wei LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Transactions of the Chinese Society of Agricultural Engineering., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1297211721035314168, articleId=1297211715779851218, tenantId=1146029695717560320, journalId=1296125453100220459, language=CN, title=基于DEM-MBD的肉牛补饲推料机器人研制, columnId=1297211670993068064, journalTitle=农业工程学报, columnName=智慧养殖技术与智能畜牧装备专题(2):智能装备与环境工程, runingTitle=null, highlight=null, articleAbstract=
针对肉牛进食过程中的拱料现象,满足肉牛的个性化进食需求,该研究设计了一款滚刷式补饲推料机器人。为探究补饲推料机器人运动参数对补饲和推料效果的影响,基于EDEM-RecurDyn耦合方法对补饲推料机器人的运动过程进行仿真分析,确定了全混合日粮饲料间、饲料与装置间的接触参数。在补饲性能分析中以螺旋转速和整机行进速度为试验因素,以补饲均匀性和补饲效率为评价指标,在推料性能分析中以滚刷转速、滚刷偏角和整机行进速度为试验因素,以推料率和推料效率作为评价指标,采用单因素与正交试验方法进行仿真分析。试验结果表明:当补饲推料机螺旋轴转速为160 r/min、整机行进速度为0.68 m/s、滚刷转速为450 r/min和滚刷偏角为40°时,补饲均匀性大于96%,补饲效率为120.6 kg/min,推料率为98.25%,推送效率为418.94 kg/min。在此最优参数条件下进行样机试验,得到的结果为:补饲均匀性大于93%,补饲效率为135.8 kg/min,推料率为97.90%,推送效率为311.90 kg/min,所设计的机器人工作性能良好,能够满足中小规模牛舍的辅助饲喂需求。
, authors=赵文杰
1, 2, 武小喆
1, 2, 翟亮
1, 2, 朱恒旭
1, 2, 张宏鸣
3, 孙朋朋
3, 王天本
3, 李卫
1, 2, *, authorsList=赵文杰, 武小喆, 翟亮, 朱恒旭, 张宏鸣, 孙朋朋, 王天本, 李卫, authorCompany=null, correspAuthors=李卫, authorNote=
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1College of Mechanical and Electrical Engineering, Northwest A & F University, Yangling 712100, China
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1西北农林科技大学机械与电子工程学院,杨凌 712100
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Structure diagram of the feed supplement and push robot, figureFileSmall=FnIZnetJoQOuz67yGUiAVQ==, figureFileBig=XDf48N6FmHBMMPAF4D/dMQ==, tableContent=null), ArticleFig(id=1300032378202779665, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图1, caption=
补饲推料机器人结构图1.料仓 2.下料螺旋 3.减速电机 4.链轮组 5.底盘 6.连接架 7.刮板 8.清扫滚刷 9.防护罩 10.激光雷达 11.双目相机
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Structure diagram of pushing device, figureFileSmall=Wr6Tqc24MnxhN5Lj0fqEQQ==, figureFileBig=hwDV1JdLC4eOfxnpgz2dNg==, tableContent=null), ArticleFig(id=1300032378399911955, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图2, caption=
推料装置结构图1.清扫滚刷 2.防尘罩 3.刮板 4.高度调节推杆 5.连接架 6.角度调节推杆
, figureFileSmall=Wr6Tqc24MnxhN5Lj0fqEQQ==, figureFileBig=hwDV1JdLC4eOfxnpgz2dNg==, tableContent=null), ArticleFig(id=1300032378471215124, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.3, caption=
Material particle mechanics and kinematics analysis, figureFileSmall=N3NSzYB2O/RHYdG6EiaSAg==, figureFileBig=12M7ZsxSWRoPwfqlAmspRg==, tableContent=null), ArticleFig(id=1300032378542518293, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图3, caption=
物料质点力学与运动学分析注:δ为质点m所在位置的螺旋升角,(°);N为螺旋叶片对质点的法向推力,N;F为质点m受到的合力,N;Fz为质点所受的轴向分力,N;Ft为质点所受的周向分力,N;vsc为质点m的实际运动速度,m·s-1;vz为轴向分速度,m·s-1;vt为周向分速度,m·s-1;vn为质点m沿螺旋面法线方向的速度,m·s-1。
, figureFileSmall=N3NSzYB2O/RHYdG6EiaSAg==, figureFileBig=12M7ZsxSWRoPwfqlAmspRg==, tableContent=null), ArticleFig(id=1300032378618015766, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.4, caption=
Force analysis at the contact position between feed and bristles, figureFileSmall=7LQJCYsf42ycCfYZ1GregA==, figureFileBig=8v8ebz+s2u5H3csuikVhvg==, tableContent=null), ArticleFig(id=1300032378685124631, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图4, caption=
饲料与刷毛接触位置处的受力分析注:αT为刷毛切线方向与地面的夹角,(°);β为滚刷作业时的偏角,(°)。
, figureFileSmall=7LQJCYsf42ycCfYZ1GregA==, figureFileBig=8v8ebz+s2u5H3csuikVhvg==, tableContent=null), ArticleFig(id=1300032378756427800, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.5, caption=
Test of feed particles pellet angle of repose, figureFileSmall=TipkO3JpeJcXKDwKiZC96Q==, figureFileBig=JD2kxVQzKo5wG36J1L6qmg==, tableContent=null), ArticleFig(id=1300032378852896793, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图5, caption=
饲料颗粒堆积角测试, figureFileSmall=TipkO3JpeJcXKDwKiZC96Q==, figureFileBig=JD2kxVQzKo5wG36J1L6qmg==, tableContent=null), ArticleFig(id=1300032378915811354, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.6, caption=
Dynamics simulation model, figureFileSmall=56okbEbLoazDmHfXwT3ttA==, figureFileBig=BYMI39hM/gkvQhzs8m1J+g==, tableContent=null), ArticleFig(id=1300032378978725915, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图6, caption=
动力学仿真模型, figureFileSmall=56okbEbLoazDmHfXwT3ttA==, figureFileBig=BYMI39hM/gkvQhzs8m1J+g==, tableContent=null), ArticleFig(id=1300032379054223388, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.7, caption=
Meshing results of the flexible rotating brush, figureFileSmall=TFxz5PIKOvyc1YTIEibW+A==, figureFileBig=9nmqUvuAcO4pB0r/tVTPog==, tableContent=null), ArticleFig(id=1300032379125526557, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图7, caption=
柔性滚刷网格划分结果, figureFileSmall=TFxz5PIKOvyc1YTIEibW+A==, figureFileBig=9nmqUvuAcO4pB0r/tVTPog==, tableContent=null), ArticleFig(id=1300032379205218334, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.8, caption=
Feed particles simulation model, figureFileSmall=RKa/3zJPMFwww740w6V0aQ==, figureFileBig=SLn18ujAV6X6tKHYfPegKw==, tableContent=null), ArticleFig(id=1300032379318464543, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图8, caption=
饲料颗粒仿真模型, figureFileSmall=RKa/3zJPMFwww740w6V0aQ==, figureFileBig=SLn18ujAV6X6tKHYfPegKw==, tableContent=null), ArticleFig(id=1300032379377184800, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.9, caption=
EDEM-RecurDyn coupling simulation process, figureFileSmall=ixE1Us6iQ74vNYEk+bmbMA==, figureFileBig=iO/M+OvPmQhpLNWRaxuv4Q==, tableContent=null), ArticleFig(id=1300032379448487969, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图9, caption=
EDEM-RecurDyn耦合仿真过程, figureFileSmall=ixE1Us6iQ74vNYEk+bmbMA==, figureFileBig=iO/M+OvPmQhpLNWRaxuv4Q==, tableContent=null), ArticleFig(id=1300032379498819618, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.10, caption=
Flexible roller brush verification test, figureFileSmall=VpuK/VtQSghv7kPAygqVoQ==, figureFileBig=h1y9aVIyIZotRqsBHGOBMA==, tableContent=null), ArticleFig(id=1300032379574317091, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图10, caption=
柔性滚刷验证试验, figureFileSmall=VpuK/VtQSghv7kPAygqVoQ==, figureFileBig=h1y9aVIyIZotRqsBHGOBMA==, tableContent=null), ArticleFig(id=1300032379658203172, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.11, caption=
Verification test of model, figureFileSmall=X0J9j5MmiKFinqiIRL1JiQ==, figureFileBig=2QLtVEoTK/fJvaqOoDJc7A==, tableContent=null), ArticleFig(id=1300032379729506341, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图11, caption=
模型验证试验, figureFileSmall=X0J9j5MmiKFinqiIRL1JiQ==, figureFileBig=2QLtVEoTK/fJvaqOoDJc7A==, tableContent=null), ArticleFig(id=1300032379796615206, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.12, caption=
Single-factor test results of feed pushing, figureFileSmall=ofRMKlc2XMEAl5sgD/isaQ==, figureFileBig=6JGNnL3PK8C5x4lsCNZQXQ==, tableContent=null), ArticleFig(id=1300032379876306983, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图12, caption=
推料单因素试验结果, figureFileSmall=ofRMKlc2XMEAl5sgD/isaQ==, figureFileBig=6JGNnL3PK8C5x4lsCNZQXQ==, tableContent=null), ArticleFig(id=1300032379930832936, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.13, caption=
Response surface analysis, figureFileSmall=F8uI2+sLr5ihizcU0xs2Bw==, figureFileBig=wES3nqbFRKNeG5mdRLr98g==, tableContent=null), ArticleFig(id=1300032379997941801, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图13, caption=
响应曲面分析, figureFileSmall=F8uI2+sLr5ihizcU0xs2Bw==, figureFileBig=wES3nqbFRKNeG5mdRLr98g==, tableContent=null), ArticleFig(id=1300032380081827882, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.14, caption=
Screw speed single factor simulation test results, figureFileSmall=Ruzs+yzPVUuLX52bTJq0jw==, figureFileBig=kA1VEBw8mxVN/HeR6ocXow==, tableContent=null), ArticleFig(id=1300032380144742443, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图14, caption=
螺旋转速单因素仿真试验结果, figureFileSmall=Ruzs+yzPVUuLX52bTJq0jw==, figureFileBig=kA1VEBw8mxVN/HeR6ocXow==, tableContent=null), ArticleFig(id=1300032380224434220, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.15, caption=
Feed movement speed under optimal parameter conditions, figureFileSmall=soCsPPwLEpH7VxAiyXkuWg==, figureFileBig=nElNnilydr2j2V5pXgQZUA==, tableContent=null), ArticleFig(id=1300032380291543085, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图15, caption=
最优参数条件下饲料运动速度, figureFileSmall=soCsPPwLEpH7VxAiyXkuWg==, figureFileBig=nElNnilydr2j2V5pXgQZUA==, tableContent=null), ArticleFig(id=1300032380354457646, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.16, caption=
The feed supplement and push robot physical, figureFileSmall=+2WjkXIMTV5GiUs5v/evVw==, figureFileBig=EHUkgIx2iTyjsJhRYL4dGw==, tableContent=null), ArticleFig(id=1300032380421566511, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图16, caption=
补饲推料机器人实物, figureFileSmall=+2WjkXIMTV5GiUs5v/evVw==, figureFileBig=EHUkgIx2iTyjsJhRYL4dGw==, tableContent=null), ArticleFig(id=1300032382036373552, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.17, caption=
Feed pushing operation effect, figureFileSmall=oYBrmB3vVTOOBrelHutHAQ==, figureFileBig=W7howINqNhaJ0boMlTYh5A==, tableContent=null), ArticleFig(id=1300032382107676721, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图17, caption=
推料作业效果, figureFileSmall=oYBrmB3vVTOOBrelHutHAQ==, figureFileBig=W7howINqNhaJ0boMlTYh5A==, tableContent=null), ArticleFig(id=1300032382178979890, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Fig.18, caption=
Comparison of supplementary feeding operation effect, figureFileSmall=6mFi3mjMQhpl+FzMXVvxGA==, figureFileBig=wONuZ9T3fPWzihA7MGmxPw==, tableContent=null), ArticleFig(id=1300032382237700147, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=图18, caption=
补饲作业效果对比, figureFileSmall=6mFi3mjMQhpl+FzMXVvxGA==, figureFileBig=wONuZ9T3fPWzihA7MGmxPw==, tableContent=null), ArticleFig(id=1300032382296420404, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Tab.1, caption=
Main technical parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameters | 数值 Values |
| 长×宽×高 Length×width×height/mm | 2 150×1 000×1 300 |
| 整机质量 Total mass/kg | 570 |
| 行驶速度 Travel speed/(m·s−1) | 0~2.3 |
| 转弯半径 Turning radius/m | 2.42 |
| 料仓储料量 Hopper storage quantity/m3 | 1.31 |
下料电机额定功率 Rated power of the feeding motor/W | 600 |
滚刷电机额定功率 Rated power of the roller brush motor/W | 400 |
| 蓄电池电压 Battery voltage/V | 48 |
), ArticleFig(id=1300032382376112181, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=表1, caption=
主要技术参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameters | 数值 Values |
| 长×宽×高 Length×width×height/mm | 2 150×1 000×1 300 |
| 整机质量 Total mass/kg | 570 |
| 行驶速度 Travel speed/(m·s−1) | 0~2.3 |
| 转弯半径 Turning radius/m | 2.42 |
| 料仓储料量 Hopper storage quantity/m3 | 1.31 |
下料电机额定功率 Rated power of the feeding motor/W | 600 |
滚刷电机额定功率 Rated power of the roller brush motor/W | 400 |
| 蓄电池电压 Battery voltage/V | 48 |
), ArticleFig(id=1300032382439026742, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Tab.2, caption=
Roller brush structural parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameters | 数值 Values |
| 滚刷长度 Roller brush length/mm | 1020 |
| 刷毛长度 Bristle length/mm | 112 |
| 滚筒直径 Drum diameter/mm | 110 |
| 刷槽数 Number of bristle grooves/个 | 6 |
), ArticleFig(id=1300032382514524215, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=表2, caption=
滚刷结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameters | 数值 Values |
| 滚刷长度 Roller brush length/mm | 1020 |
| 刷毛长度 Bristle length/mm | 112 |
| 滚筒直径 Drum diameter/mm | 110 |
| 刷槽数 Number of bristle grooves/个 | 6 |
), ArticleFig(id=1300032382585827384, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Tab.3, caption=
Simulation test on the angle of repose of feed pellets
, figureFileSmall=null, figureFileBig=null, tableContent=
颗粒 类型 Particle type | 与钢的动摩 擦系数 Kinetic friction coefficient against steel | 与钢的恢复 系数 Coefficient of restitution against steel | 表面能 Surface energy/ (J·m−2) | 虚拟堆积角 Virtual angle of repose/(°) | 相对误差 Relative error/% |
| 青贮 | 0.17 | 0.43 | 0.12 | 36.61 | 0.76 |
| 燕麦草 | 0.13 | 0.39 | 0.04 | 39.62 | 2.74 |
玉米 粉碎物 | 0.09 | 0.38 | 0.03 | 36.20 | 2.67 |
), ArticleFig(id=1300032382661324857, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=表3, caption=
饲料颗粒堆积角仿真试验
, figureFileSmall=null, figureFileBig=null, tableContent=
颗粒 类型 Particle type | 与钢的动摩 擦系数 Kinetic friction coefficient against steel | 与钢的恢复 系数 Coefficient of restitution against steel | 表面能 Surface energy/ (J·m−2) | 虚拟堆积角 Virtual angle of repose/(°) | 相对误差 Relative error/% |
| 青贮 | 0.17 | 0.43 | 0.12 | 36.61 | 0.76 |
| 燕麦草 | 0.13 | 0.39 | 0.04 | 39.62 | 2.74 |
玉米 粉碎物 | 0.09 | 0.38 | 0.03 | 36.20 | 2.67 |
), ArticleFig(id=1300032382757793850, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Tab.4, caption=
Discrete element simulation parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 对象Object | 参数Parameter | 数值Value |
青贮饲料 Silage | 泊松比 | 0.38 |
| 剪切模量/Pa | 3.08×107 |
| 密度/(kg·m−3) | 627.83 |
玉米 Corn | 泊松比 | 0.438 |
| 剪切模量/Pa | 1.37×108 |
| 密度/(kg·m−3) | 1250.23 |
燕麦草 Oat grass | 泊松比 | 0.4 |
| 剪切模量/Pa | 1.7×106 |
| 密度/(kg·m−3) | 272.30 |
青贮-青贮 Silage-silage | 恢复系数 | 0.30 |
| 静摩擦系数 | 0.60 |
| 滚动摩擦系数 | 0.20 |
青贮-玉米 Silage-corn | 恢复系数 | 0.25 |
| 静摩擦系数 | 0.53 |
| 滚动摩擦系数 | 0.22 |
青贮-燕麦草 Silage-oat grass | 恢复系数 | 0.33 |
| 静摩擦系数 | 0.68 |
| 滚动摩擦系数 | 0.20 |
青贮-钢 Silage-steel | 恢复系数 | 0.43 |
| 静摩擦系数 | 0.62 |
| 滚动摩擦系数 | 0.17 |
青贮-尼龙 Silage-nylon | 恢复系数 | 0.17 |
| 静摩擦系数 | 0.50 |
| 滚动摩擦系数 | 0.20 |
玉米-玉米 Corn-corn | 恢复系数 | 0.18 |
| 静摩擦系数 | 0.56 |
| 滚动摩擦系数 | 0.18 |
玉米-燕麦草 Corn-oat grass | 恢复系数 | 0.26 |
| 静摩擦系数 | 0.41 |
| 滚动摩擦系数 | 0.30 |
玉米-钢 Corn-steel | 恢复系数 | 0.38 |
| 静摩擦系数 | 0.43 |
| 滚动摩擦系数 | 0.19 |
玉米-尼龙 Corn-nylon | 恢复系数 | 0.50 |
| 静摩擦系数 | 0.50 |
| 滚动摩擦系数 | 0.09 |
燕麦草-燕麦草 Oat grass-oat grass | 恢复系数 | 0.30 |
| 静摩擦系数 | 0.65 |
| 滚动摩擦系数 | 0.24 |
燕麦草-钢 Oat grass-steel | 恢复系数 | 0.39 |
| 静摩擦系数 | 0.52 |
| 滚动摩擦系数 | 0.13 |
燕麦草-尼龙 Oat grass-nylon | 恢复系数 | 0.27 |
| 静摩擦系数 | 0.45 |
| 滚动摩擦系数 | 0.07 |
), ArticleFig(id=1300032382833291323, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=表4, caption=
离散元仿真参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 对象Object | 参数Parameter | 数值Value |
青贮饲料 Silage | 泊松比 | 0.38 |
| 剪切模量/Pa | 3.08×107 |
| 密度/(kg·m−3) | 627.83 |
玉米 Corn | 泊松比 | 0.438 |
| 剪切模量/Pa | 1.37×108 |
| 密度/(kg·m−3) | 1250.23 |
燕麦草 Oat grass | 泊松比 | 0.4 |
| 剪切模量/Pa | 1.7×106 |
| 密度/(kg·m−3) | 272.30 |
青贮-青贮 Silage-silage | 恢复系数 | 0.30 |
| 静摩擦系数 | 0.60 |
| 滚动摩擦系数 | 0.20 |
青贮-玉米 Silage-corn | 恢复系数 | 0.25 |
| 静摩擦系数 | 0.53 |
| 滚动摩擦系数 | 0.22 |
青贮-燕麦草 Silage-oat grass | 恢复系数 | 0.33 |
| 静摩擦系数 | 0.68 |
| 滚动摩擦系数 | 0.20 |
青贮-钢 Silage-steel | 恢复系数 | 0.43 |
| 静摩擦系数 | 0.62 |
| 滚动摩擦系数 | 0.17 |
青贮-尼龙 Silage-nylon | 恢复系数 | 0.17 |
| 静摩擦系数 | 0.50 |
| 滚动摩擦系数 | 0.20 |
玉米-玉米 Corn-corn | 恢复系数 | 0.18 |
| 静摩擦系数 | 0.56 |
| 滚动摩擦系数 | 0.18 |
玉米-燕麦草 Corn-oat grass | 恢复系数 | 0.26 |
| 静摩擦系数 | 0.41 |
| 滚动摩擦系数 | 0.30 |
玉米-钢 Corn-steel | 恢复系数 | 0.38 |
| 静摩擦系数 | 0.43 |
| 滚动摩擦系数 | 0.19 |
玉米-尼龙 Corn-nylon | 恢复系数 | 0.50 |
| 静摩擦系数 | 0.50 |
| 滚动摩擦系数 | 0.09 |
燕麦草-燕麦草 Oat grass-oat grass | 恢复系数 | 0.30 |
| 静摩擦系数 | 0.65 |
| 滚动摩擦系数 | 0.24 |
燕麦草-钢 Oat grass-steel | 恢复系数 | 0.39 |
| 静摩擦系数 | 0.52 |
| 滚动摩擦系数 | 0.13 |
燕麦草-尼龙 Oat grass-nylon | 恢复系数 | 0.27 |
| 静摩擦系数 | 0.45 |
| 滚动摩擦系数 | 0.07 |
), ArticleFig(id=1300032382917177404, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=EN, label=Tab.5, caption=
Single factor test level
, figureFileSmall=null, figureFileBig=null, tableContent=
水平 Level | 滚刷偏角 Brush deflection angle A/(°) | 滚刷转速 Brush rolling speed B/(r·min−1) | 行进速度 Moving speed C/ (m·s−1) |
| 1 | 10 | 150 | 0.2 |
| 2 | 20 | 300 | 0.4 |
| 3 | 30 | 450 | 0.6 |
| 4 | 40 | 600 | 0.8 |
| 5 | 50 | 750 | 1.0 |
), ArticleFig(id=1300032383009452093, tenantId=1146029695717560320, journalId=1296125453100220459, articleId=1297211715779851218, language=CN, label=表5, caption=
单因素试验水平
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水平 Level | 滚刷偏角 Brush deflection angle A/(°) | 滚刷转速 Brush rolling speed B/(r·min−1) | 行进速度 Moving speed C/ (m·s−1) |
| 1 | 10 | 150 | 0.2 |
| 2 | 20 | 300 | 0.4 |
| 3 | 30 | 450 | 0.6 |
| 4 | 40 | 600 | 0.8 |
| 5 | 50 | 750 | 1.0 |
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Orthogonal test factor codes and levels
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| 编码Code | A/(°) | B/(r·min−1) | C/(m·s−1) |
| -1 | 30 | 450 | 0.4 |
| 0 | 35 | 600 | 0.6 |
| 1 | 40 | 750 | 0.8 |
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正交试验因素编码及水平
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| 编码Code | A/(°) | B/(r·min−1) | C/(m·s−1) |
| -1 | 30 | 450 | 0.4 |
| 0 | 35 | 600 | 0.6 |
| 1 | 40 | 750 | 0.8 |
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Box-Behnken test results
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序号 No. | A/(°) | B/(r·min−1) | C/(m·s−1) | y1/% | y2/ (kg·min−1) |
| 1 | 30 | 450 | 0.6 | 94.74 | 348.47 |
| 2 | 40 | 450 | 0.6 | 99.14 | 381.58 |
| 3 | 30 | 750 | 0.6 | 96.35 | 347.37 |
| 4 | 40 | 750 | 0.6 | 98.44 | 385.98 |
| 5 | 30 | 600 | 0.4 | 95.58 | 229.72 |
| 6 | 40 | 600 | 0.4 | 97.99 | 264.33 |
| 7 | 30 | 600 | 0.8 | 93.73 | 421.09 |
| 8 | 40 | 600 | 0.8 | 96.05 | 468.03 |
| 9 | 35 | 450 | 0.8 | 96.48 | 254.41 |
| 10 | 35 | 750 | 0.4 | 97.56 | 242.04 |
| 11 | 35 | 540 | 0.8 | 94.62 | 441.55 |
| 12 | 35 | 750 | 0.8 | 95.25 | 447.65 |
| 13 | 35 | 600 | 0.6 | 97.73 | 352.29 |
| 14 | 35 | 600 | 0.6 | 97.84 | 349.4 |
| 15 | 35 | 600 | 0.6 | 98.00 | 353.46 |
| 16 | 35 | 600 | 0.6 | 97.90 | 352.64 |
| 17 | 35 | 600 | 0.6 | 97.37 | 349.10 |
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Box-Behnken试验结果
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序号 No. | A/(°) | B/(r·min−1) | C/(m·s−1) | y1/% | y2/ (kg·min−1) |
| 1 | 30 | 450 | 0.6 | 94.74 | 348.47 |
| 2 | 40 | 450 | 0.6 | 99.14 | 381.58 |
| 3 | 30 | 750 | 0.6 | 96.35 | 347.37 |
| 4 | 40 | 750 | 0.6 | 98.44 | 385.98 |
| 5 | 30 | 600 | 0.4 | 95.58 | 229.72 |
| 6 | 40 | 600 | 0.4 | 97.99 | 264.33 |
| 7 | 30 | 600 | 0.8 | 93.73 | 421.09 |
| 8 | 40 | 600 | 0.8 | 96.05 | 468.03 |
| 9 | 35 | 450 | 0.8 | 96.48 | 254.41 |
| 10 | 35 | 750 | 0.4 | 97.56 | 242.04 |
| 11 | 35 | 540 | 0.8 | 94.62 | 441.55 |
| 12 | 35 | 750 | 0.8 | 95.25 | 447.65 |
| 13 | 35 | 600 | 0.6 | 97.73 | 352.29 |
| 14 | 35 | 600 | 0.6 | 97.84 | 349.4 |
| 15 | 35 | 600 | 0.6 | 98.00 | 353.46 |
| 16 | 35 | 600 | 0.6 | 97.90 | 352.64 |
| 17 | 35 | 600 | 0.6 | 97.37 | 349.10 |
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Pushing rate analysis of variance results
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变异来源 Variation source | 平方和 Sum of squares | 自由度 Degree of freedom | 均方 Mean square | F | P |
| 注:极显著(P < 0.01);显著(0.01 < P < 0.05)。下同。 |
| Note: Extremely significant (P < 0.01); significant (0.01 < P < 0.05). The same below. |
| 模型Model | 37.50 | 9 | 4.17 | 40.42 | < 0.0001 |
| A | 15.74 | 1 | 15.74 | 152.66 | <0.01 |
| B | 0.86 | 1 | 0.86 | 8.32 | 0.02 |
| C | 7.92 | 1 | 7.92 | 76.84 | < 0.01 |
| AB | 1.33 | 1 | 1.33 | 12.94 | <0.01 |
| AC | 0.002 | 1 | 0.002 | 0.0196 | 0.89 |
| BC | 0.05 | 1 | 0.05 | 0.4911 | 0.51 |
| A2 | 0.58 | 1 | 0.58 | 5.60 | 0.05 |
| B2 | 0.22 | 1 | 0.22 | 2.17 | 0.18 |
| C2 | 10.25 | 1 | 10.25 | 99.44 | < 0.01 |
| 残差 Residual | 0.72 | 7 | 0.10 | | |
失拟差 Lack of fit | 0.49 | 3 | 0.16 | 2.74 | 0.18 |
| 误差 Error | 0.24 | 4 | 0.06 | | |
| 总和 Total | 38.22 | 16 | | | |
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推料率方差分析结果
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变异来源 Variation source | 平方和 Sum of squares | 自由度 Degree of freedom | 均方 Mean square | F | P |
| 注:极显著(P < 0.01);显著(0.01 < P < 0.05)。下同。 |
| Note: Extremely significant (P < 0.01); significant (0.01 < P < 0.05). The same below. |
| 模型Model | 37.50 | 9 | 4.17 | 40.42 | < 0.0001 |
| A | 15.74 | 1 | 15.74 | 152.66 | <0.01 |
| B | 0.86 | 1 | 0.86 | 8.32 | 0.02 |
| C | 7.92 | 1 | 7.92 | 76.84 | < 0.01 |
| AB | 1.33 | 1 | 1.33 | 12.94 | <0.01 |
| AC | 0.002 | 1 | 0.002 | 0.0196 | 0.89 |
| BC | 0.05 | 1 | 0.05 | 0.4911 | 0.51 |
| A2 | 0.58 | 1 | 0.58 | 5.60 | 0.05 |
| B2 | 0.22 | 1 | 0.22 | 2.17 | 0.18 |
| C2 | 10.25 | 1 | 10.25 | 99.44 | < 0.01 |
| 残差 Residual | 0.72 | 7 | 0.10 | | |
失拟差 Lack of fit | 0.49 | 3 | 0.16 | 2.74 | 0.18 |
| 误差 Error | 0.24 | 4 | 0.06 | | |
| 总和 Total | 38.22 | 16 | | | |
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Pushing efficiency analysis of variance results
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变异来源 Variation source | 平方和 Sum of squares | 自由度 Degree of freedom | 均方 Mean square | F | P |
| 模型Model | 8.17×104 | 9 | 1.3×105 | 1586.17 | < 0.01 |
| A | 2936.46 | 1 | 2936.46 | 513.11 | < 0.01 |
| B | 1.10 | 1 | 1.10 | 0.19 | 0.67 |
| C | 7.76×104 | 1 | 7.76×104 | 1.37×104 | < 0.01 |
| AB | 7.56 | 1 | 7.56 | 7.56 | 0.29 |
| AC | 38.01 | 1 | 38.01 | 6.64 | 0.04 |
| BC | 85.29 | 1 | 85.29 | 14.90 | <0.01 |
| A2 | 201.98 | 1 | 201.98 | 35.29 | <0.01 |
| B2 | 239.76 | 1 | 239.76 | 41.89 | <0.01 |
| C2 | 659.11 | 1 | 659.11 | 115.17 | < 0.01 |
| 残差 Residual | 40.06 | 7 | 5.72 | | |
失拟差 Lack of fit | 24.20 | 3 | 8.07 | 2.03 | 0.25 |
| 误差 Error | 15.86 | 4 | 3.97 | | |
| 1 | 8.17×104 | 16 | | | |
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推料效率方差分析结果
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变异来源 Variation source | 平方和 Sum of squares | 自由度 Degree of freedom | 均方 Mean square | F | P |
| 模型Model | 8.17×104 | 9 | 1.3×105 | 1586.17 | < 0.01 |
| A | 2936.46 | 1 | 2936.46 | 513.11 | < 0.01 |
| B | 1.10 | 1 | 1.10 | 0.19 | 0.67 |
| C | 7.76×104 | 1 | 7.76×104 | 1.37×104 | < 0.01 |
| AB | 7.56 | 1 | 7.56 | 7.56 | 0.29 |
| AC | 38.01 | 1 | 38.01 | 6.64 | 0.04 |
| BC | 85.29 | 1 | 85.29 | 14.90 | <0.01 |
| A2 | 201.98 | 1 | 201.98 | 35.29 | <0.01 |
| B2 | 239.76 | 1 | 239.76 | 41.89 | <0.01 |
| C2 | 659.11 | 1 | 659.11 | 115.17 | < 0.01 |
| 残差 Residual | 40.06 | 7 | 5.72 | | |
失拟差 Lack of fit | 24.20 | 3 | 8.07 | 2.03 | 0.25 |
| 误差 Error | 15.86 | 4 | 3.97 | | |
| 1 | 8.17×104 | 16 | | | |
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Feed pushing test statistical results
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| 序号No. | 饲料总质量 Total feed mass/kg | 未推回饲料质量 Unreturned feed mass/kg | y1/% | y2/(kg·min−1) |
1 2 3 | 79.22 | 2.06 | 97.40 | 321.32 |
| 75.10 | 1.54 | 97.95 | 304.61 |
| 76.37 | 1.27 | 98.34 | 309.76 |
均值 Average | 76.90 | 1.62 | 97.90 | 311.90 |
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推料试验统计结果
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| 序号No. | 饲料总质量 Total feed mass/kg | 未推回饲料质量 Unreturned feed mass/kg | y1/% | y2/(kg·min−1) |
1 2 3 | 79.22 | 2.06 | 97.40 | 321.32 |
| 75.10 | 1.54 | 97.95 | 304.61 |
| 76.37 | 1.27 | 98.34 | 309.76 |
均值 Average | 76.90 | 1.62 | 97.90 | 311.90 |
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Supplementary feeding statistics results
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序号 No. | 每米内饲料质量 Feed mass per meter/kg | 平均值 Average/kg | 标准差 Standard deviation | y3/ (kg·min−1) | y4/% |
| 1 | 34.37 | 3.437 | 0.22 | 139.2 | 93.60 |
| 2 | 31.56 | 3.156 | 0.16 | 127.2 | 94.90 |
| 3 | 34.85 | 3.485 | 0.29 | 141.0 | 91.68 |
均值 Average | 33.59 | 3.359 | 0.22 | 135.8 | 93.39 |
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补饲试验统计结果
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序号 No. | 每米内饲料质量 Feed mass per meter/kg | 平均值 Average/kg | 标准差 Standard deviation | y3/ (kg·min−1) | y4/% |
| 1 | 34.37 | 3.437 | 0.22 | 139.2 | 93.60 |
| 2 | 31.56 | 3.156 | 0.16 | 127.2 | 94.90 |
| 3 | 34.85 | 3.485 | 0.29 | 141.0 | 91.68 |
均值 Average | 33.59 | 3.359 | 0.22 | 135.8 | 93.39 |
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