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Kinematic Analysis of Hybrid Automatic Drilling and Riveting Machine with Redundant Degree of Freedom 具有冗余自由度的混合自动钻铆机运动学分析
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2019-10-25 DOI: 10.12141/J.ISSN.1000-565X.180551
C. Guowei
{"title":"Kinematic Analysis of Hybrid Automatic Drilling and Riveting Machine with Redundant Degree of Freedom","authors":"C. Guowei","doi":"10.12141/J.ISSN.1000-565X.180551","DOIUrl":"https://doi.org/10.12141/J.ISSN.1000-565X.180551","url":null,"abstract":"","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90277462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fast-Response Anthropomorphic Motion Control Algorithm Without Overshoot of Humanoid Manipulator Based on Prescribed Performance Function 基于规定性能函数的人形机械臂无超调快速响应拟人运动控制算法
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2019-10-25 DOI: 10.12141/J.ISSN.1000-565X.180499
Zhao Yuqing
{"title":"Fast-Response Anthropomorphic Motion Control Algorithm Without Overshoot of Humanoid Manipulator Based on Prescribed Performance Function","authors":"Zhao Yuqing","doi":"10.12141/J.ISSN.1000-565X.180499","DOIUrl":"https://doi.org/10.12141/J.ISSN.1000-565X.180499","url":null,"abstract":"","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74799401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于 PVDF 的压电触觉传感器的研究进展 基于 PVDF 的压电触觉传感器的研究进展
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2019-10-25 DOI: 10.12141/J.ISSN.1000-565X.190149
刘玉荣 向银雪
{"title":"基于 PVDF 的压电触觉传感器的研究进展","authors":"刘玉荣 向银雪","doi":"10.12141/J.ISSN.1000-565X.190149","DOIUrl":"https://doi.org/10.12141/J.ISSN.1000-565X.190149","url":null,"abstract":"","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79402926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Novel Mechanisms of Structural Optimization Based on Plant Growth Simulation Algorithm 基于植物生长模拟算法的结构优化新机制
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2019-07-25 DOI: 10.12141/J.ISSN.1000-565X.180571
Shi Bin
{"title":"Novel Mechanisms of Structural Optimization Based on Plant Growth Simulation Algorithm","authors":"Shi Bin","doi":"10.12141/J.ISSN.1000-565X.180571","DOIUrl":"https://doi.org/10.12141/J.ISSN.1000-565X.180571","url":null,"abstract":"","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74890843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of pavement cracks based on valley edge detection of fractional integral 基于分数阶积分谷边检测的路面裂缝提取
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2014-01-01 DOI: 10.3969/J.ISSN.1000-565X.2014.01.020
Weixing Wang, L. C. Wu
{"title":"Extraction of pavement cracks based on valley edge detection of fractional integral","authors":"Weixing Wang, L. C. Wu","doi":"10.3969/J.ISSN.1000-565X.2014.01.020","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2014.01.020","url":null,"abstract":"As pavement crack images are difficult to segment due to the existence of high noise, weak boundary and small cracks, an extraction method of pavement cracks based on the valley edge detection of fractional integral is proposed. In this method, first, neighboring smoothing of the original image is performed to eliminate the noise and expand the relative width of the cracks. Then, the main cracks are extracted via the valley edge detection of fractional integral, and the resulting image is further processed via the morphological approach with short-line noise elimination. Afterwards, final cracks are extracted by using the gap linking method on maximum entropy threshold to cause cracks to merge automatically. Experimental results show that the proposed method instantly helps to detect small pavement cracks with high accuracy and strong noise robustness.","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86935009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
A dynamic Time Warping Algorithm for Recognition of Multi-Stroke On-Line Handwriten Characters 一种多笔划在线手写字符识别的动态时间扭曲算法
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2013-06-05 DOI: 10.3969/J.ISSN.1000-565X.2013.07.000
H. Mouchère, Jinpeng Li, C. Viard-Gaudin, Zhaoxin Chen
{"title":"A dynamic Time Warping Algorithm for Recognition of Multi-Stroke On-Line Handwriten Characters","authors":"H. Mouchère, Jinpeng Li, C. Viard-Gaudin, Zhaoxin Chen","doi":"10.3969/J.ISSN.1000-565X.2013.07.000","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2013.07.000","url":null,"abstract":"Dynamic time warping (DTW) is a famous distance to compare two mono-stroke symbols online. It obeys boundary and continuity constraints. The extension of DTW to multi-stroke symbols raises specific problems. A naive solution is to convert the multi-stroke symbol into a single one via a direct concatenation in the handwriting order. However, people may write a symbol with different stroke directions and orders. Applying a brute force method by searching all the possible directions and orders leads to prohibitive calculation times. To reduce the searching complexity, DTW-A* algorithm, which keeps the continuity constraint during each partial matching and reduces the searching complexity by using the A* algorithm, is proposed. Experimental results on a flowchart dataset mainly containing multi-stroke symbols indicate that DTW-A* algorithm helps to achieve the highest recognition rate and stability in cross-validation, as compared with such two other algorithms as DTW and modified Hausdorff distance.","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76125578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
移动交通荷载下饱和沥青路面的水力耦合分析: Coupled hydro-mechanical analysis of saturated asphalt pavement under moving traffic loads 移动交通荷载下饱和沥青路面的水力耦合分析: Coupled hydro-mechanical analysis of saturated asphalt pavement under moving traffic loads
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2012-02-01 DOI: 10.3969/J.ISSN.1000-565X.2012.02.019
Su-ping Luo, H. Dan, Liangchao Li, Ling Li
{"title":"移动交通荷载下饱和沥青路面的水力耦合分析: Coupled hydro-mechanical analysis of saturated asphalt pavement under moving traffic loads","authors":"Su-ping Luo, H. Dan, Liangchao Li, Ling Li","doi":"10.3969/J.ISSN.1000-565X.2012.02.019","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2012.02.019","url":null,"abstract":"In order to reveal the mechanism of water-induced damage to asphalt pavement, a three-layer surface course-base course-subgrade physical model is established based on the Biot's dynamic consolidation theory, and the governing equations of the three layers are deduced for the saturated asphalt pavement under moving traffic loads. Then, by utilizing the Fourier series expansion and the Fourier transform, the semi-analytical solution and the numerical solution are obtained for multiple physical fields in the surface course. Moreover, the dry pavement is compared with the saturated one in terms of stress distribution and pore water pressure distribution, and the effect of drainage boundary condition at the surface course bottom on the dynamic response of pavement as well as the effect of the shear modulus of pavement on the pore water pressure distribution is analyzed. It is found that, for the saturated asphalt pavement, higher tensile stress and larger tensile stress area are generated under moving traffic loads and that fully drained boundary greatly affects the distributions and values of pore water pressure and pore water velocity in the surface course with high permeability. However, it only has a slight effect on the surface course with low permeability, except for the small region near the surface course bottom. It is also found that the maximum pore water pressure decreases with the increase in the shear modulus of the surface course and the base course.","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76574810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Advanced Treatment of Bleaching Effluents by Means of UV/Fenton Oxidation UV/Fenton氧化法深度处理漂白废水
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2011-01-25 DOI: 10.3969/J.ISSN.1000-565X.2011.01.015
YU Zhao-Jiang, Chen Ke-bi, L. Jun, Yu Jiang
{"title":"Advanced Treatment of Bleaching Effluents by Means of UV/Fenton Oxidation","authors":"YU Zhao-Jiang, Chen Ke-bi, L. Jun, Yu Jiang","doi":"10.3969/J.ISSN.1000-565X.2011.01.015","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2011.01.015","url":null,"abstract":"","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2011-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82496058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corner detection of image based on product of two bending degrees 基于两个弯曲度积的图像角点检测
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2010-05-30 DOI: 10.3969/J.ISSN.1000-565X.2010.02.025
Liao Wenzhi, Pi Youguo
{"title":"Corner detection of image based on product of two bending degrees","authors":"Liao Wenzhi, Pi Youguo","doi":"10.3969/J.ISSN.1000-565X.2010.02.025","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2010.02.025","url":null,"abstract":"As the difference in bending degree between comer points and non-corner points is not large enough for image detection, an algorithm of image comer detection based on the product of two bending degrees is proposed. The proposed algorithm enlarges the differences in bending degree by multiplying the first bending degree and the second bending degree. Then, the comer detection for digital images is conducted. Experimental results show that the proposed algorithm is simple and effective, and that it helps to detect image comers with good stability and high precision.","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81344665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
市场环境及ＣＯ２ 排放政策变化下的发电投资决策: Generation investment decision-making at the change of electricity market and CO2 emission policy 市场环境及ＣＯ２ 排放政策变化下的发电投资决策: Generation investment decision-making at the change of electricity market and CO2 emission policy
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) Pub Date : 2010-03-01 DOI: 10.3969/J.ISSN.1000-565X.2010.03.018
Guozhong Liu, F. Wen, Zhaoxin Dong
{"title":"市场环境及ＣＯ２ 排放政策变化下的发电投资决策: Generation investment decision-making at the change of electricity market and CO2 emission policy","authors":"Guozhong Liu, F. Wen, Zhaoxin Dong","doi":"10.3969/J.ISSN.1000-565X.2010.03.018","DOIUrl":"https://doi.org/10.3969/J.ISSN.1000-565X.2010.03.018","url":null,"abstract":"In order to reveal the effects of CO emission policy and some other uncertain factors in the operation process on the investment decision-making of thermal power plants, a mathematical model considering the variations of the uncertain factors is established, and a new methodological framework of generation investment decision-ma-king is developed based on the option game theory. Then, on the assumption that the generation investment in diffe-rent generation companies are performed sequentially, a solution based on the Barraquand-Martineau (B-M) option pricing model is presented. Finally, the proposed method is illustrated by a simulation. Numerical results indicate that the proposed framework well considers multiple uncertain factors and simulates the dynamic game process of thermal power plants in the planning period in stochastically-varied market environments.","PeriodicalId":35957,"journal":{"name":"Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82835572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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