Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536721
Hui Zhang, Li Guo
The uniform design method was adopted and developed to take structural optimization. A novel algorithm based on number theory, named residual table, was established to decide the optimal direction in process of optimization. The maximum of function was studied to verify its feasibility. The computed results with the developed method show the optimization solution is independent on initial iteration point and is the best solution within the whole variable range. The constructed method was applied to optimize the stiffness of a continue beam with varied height. Compared with the solution via complex variable differential method, the established method here gives more accurate result. All these show that the developed method is efficient to tackle structural optimization.
{"title":"A novel structural optimization technique via uniform design method","authors":"Hui Zhang, Li Guo","doi":"10.1109/MACE.2010.5536721","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536721","url":null,"abstract":"The uniform design method was adopted and developed to take structural optimization. A novel algorithm based on number theory, named residual table, was established to decide the optimal direction in process of optimization. The maximum of function was studied to verify its feasibility. The computed results with the developed method show the optimization solution is independent on initial iteration point and is the best solution within the whole variable range. The constructed method was applied to optimize the stiffness of a continue beam with varied height. Compared with the solution via complex variable differential method, the established method here gives more accurate result. All these show that the developed method is efficient to tackle structural optimization.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81657313","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536647
Tian Fang, Tao Ke, Shao Juan
The meshed mechanics is the key components of screw-compressor. Main problem of meshed mechanics design is tooth face shape of gate rotors and screw. In this paper meshed principium and dispersed arithmetic are combined in finding tooth face shape of gate rotors and screw. By means of dispersed arithmetic based on C++Builder5.0, the tooth face of certain type of screw compressor is analyzed. Compare with practice shape of screw and gate rotors the results are satisfied.
{"title":"The reserch on meshing pair profile of single-screw compressor","authors":"Tian Fang, Tao Ke, Shao Juan","doi":"10.1109/MACE.2010.5536647","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536647","url":null,"abstract":"The meshed mechanics is the key components of screw-compressor. Main problem of meshed mechanics design is tooth face shape of gate rotors and screw. In this paper meshed principium and dispersed arithmetic are combined in finding tooth face shape of gate rotors and screw. By means of dispersed arithmetic based on C++Builder5.0, the tooth face of certain type of screw compressor is analyzed. Compare with practice shape of screw and gate rotors the results are satisfied.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81689946","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}
In order to explore the relation between steel's dimple size and mechanical properties,it is necessary to measure and classify the dimple size accurately. An improved dimple image quantitative analysis method based on combination of wavelet transform and mathematics morphology was proposed in this paper. It measured and analyzed the dimples by means of edge detection based on combination of B-spline wavelet transform and mathematics morphology, water-growing segmentation and measurement method etc. Application results showed that it had a good processing effect to solve the defects such as dimple edge fuzzy, dimple edge deletion and dimple holes etc, and its quantitative analysis was accurate, effective and convenient.
{"title":"Research on quantitative analysis method of steel dimples based on wavelet transform","authors":"Xin-cheng Li, Fei Ding, Weixing Zhu, Xiaotian Feng","doi":"10.1109/MACE.2010.5535614","DOIUrl":"https://doi.org/10.1109/MACE.2010.5535614","url":null,"abstract":"In order to explore the relation between steel's dimple size and mechanical properties,it is necessary to measure and classify the dimple size accurately. An improved dimple image quantitative analysis method based on combination of wavelet transform and mathematics morphology was proposed in this paper. It measured and analyzed the dimples by means of edge detection based on combination of B-spline wavelet transform and mathematics morphology, water-growing segmentation and measurement method etc. Application results showed that it had a good processing effect to solve the defects such as dimple edge fuzzy, dimple edge deletion and dimple holes etc, and its quantitative analysis was accurate, effective and convenient.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81784710","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536789
Rong Xuewen, Li Yibin, Song Rui
The shotcreting robot has 8 joints including 3 joints coupled with others on the shotcreting robot. This paper set up the Denavit-Hartenberg Frames and deduced the kinematic equations with extra three constrain equations to decouple the linked motions. The unique analytical solution of the inverse kinematic equations was educed, which provided foundation for further research on trajectory plan, dynamics analysis and control strategies.
{"title":"Kinematic analysis of a shotcreting robot","authors":"Rong Xuewen, Li Yibin, Song Rui","doi":"10.1109/MACE.2010.5536789","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536789","url":null,"abstract":"The shotcreting robot has 8 joints including 3 joints coupled with others on the shotcreting robot. This paper set up the Denavit-Hartenberg Frames and deduced the kinematic equations with extra three constrain equations to decouple the linked motions. The unique analytical solution of the inverse kinematic equations was educed, which provided foundation for further research on trajectory plan, dynamics analysis and control strategies.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81873062","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536556
Ni Guowei, Jiang Dengling, Chen Juannong, Xu Quoqiang, L. Bo
The telescopic devices of road bridge are the most vulnerable to damage and hardest to repair the site in the bridge structure. Once damages are coming out, it will not only result in driving discomfort,but also damage the main structure of the bridge and affect the normal use of the bridge. Thus,it is causing a certain degree of economic losses and social impacts. This paper describes the various span of the telescopic devices to adapt to the different structure and characteristics,and the basic requirements for design and construction of bridge telescopic devices. Briefly,it introduced the method of calculation of bridge telescopic devices and the principle of selection. Emphatically, it describes the module-type bridge telescopic devices construction technology. This engaged in bridge design and construction for the work of technical officers.
{"title":"Design and construction of road and bridge with GQF-MZL's expansion and contraction installment","authors":"Ni Guowei, Jiang Dengling, Chen Juannong, Xu Quoqiang, L. Bo","doi":"10.1109/MACE.2010.5536556","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536556","url":null,"abstract":"The telescopic devices of road bridge are the most vulnerable to damage and hardest to repair the site in the bridge structure. Once damages are coming out, it will not only result in driving discomfort,but also damage the main structure of the bridge and affect the normal use of the bridge. Thus,it is causing a certain degree of economic losses and social impacts. This paper describes the various span of the telescopic devices to adapt to the different structure and characteristics,and the basic requirements for design and construction of bridge telescopic devices. Briefly,it introduced the method of calculation of bridge telescopic devices and the principle of selection. Emphatically, it describes the module-type bridge telescopic devices construction technology. This engaged in bridge design and construction for the work of technical officers.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78800544","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536709
Su Dongcheng, Fu Yonghong, Hua Xijun, Shi Yufeng, Ningning Jian
This paper introduces Laser Micro Composite Texture on the surface of the Drawing Die, which is a new technology to effectively control the friction characteristics of different region. Geometry shape of the cylinder-shaped Drawing Die model has been established by the ABAQUS software. The effect of the flange and bottom materials flowing was analyzed in the sheet forming, and the sheet fracture and wrinkle under the regional friction was studied at the risk regions. Finally, the regional friction coefficient was optimized based on the results of simulation analysis and combined with the uniform design method, and the best regional friction characteristics of the Drawing Die has been got, compared to Original of sheet, thickness uniformity has been greatly improved, and the thickness of the thinnest piece of the sheet has also increased, which would enhance the performance of sheet tensile crack, Maximum tangential compressive stress at the same time is also greatly reduced,which relatively also increased the anti-wrinkle properties of sheet. The results have some certain reference value to the experimental study and the actual manufacturing of rotation symmetrical drawing sheet.
{"title":"Numerical simulation research on Drawing formability of Laser Micro Composite Texture Die based on tribology","authors":"Su Dongcheng, Fu Yonghong, Hua Xijun, Shi Yufeng, Ningning Jian","doi":"10.1109/MACE.2010.5536709","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536709","url":null,"abstract":"This paper introduces Laser Micro Composite Texture on the surface of the Drawing Die, which is a new technology to effectively control the friction characteristics of different region. Geometry shape of the cylinder-shaped Drawing Die model has been established by the ABAQUS software. The effect of the flange and bottom materials flowing was analyzed in the sheet forming, and the sheet fracture and wrinkle under the regional friction was studied at the risk regions. Finally, the regional friction coefficient was optimized based on the results of simulation analysis and combined with the uniform design method, and the best regional friction characteristics of the Drawing Die has been got, compared to Original of sheet, thickness uniformity has been greatly improved, and the thickness of the thinnest piece of the sheet has also increased, which would enhance the performance of sheet tensile crack, Maximum tangential compressive stress at the same time is also greatly reduced,which relatively also increased the anti-wrinkle properties of sheet. The results have some certain reference value to the experimental study and the actual manufacturing of rotation symmetrical drawing sheet.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76185485","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536857
Yan Liang, Jin-chang Yang
The method of realizing three-dimensional models' parameterized design in the three-dimensional CAD system was described. Its application in creating parts, assemblages, animations and finite element analysis were illustrated by applying Solidworks software in twin rollers sheet feeder. Three dimensional modeling and the assembly of all parts were completed based on parameter computation, which realized the evaluation and optimization of products in the design stage.
{"title":"Applications of three-dimensional CAD in design of twin rollers sheet feeder","authors":"Yan Liang, Jin-chang Yang","doi":"10.1109/MACE.2010.5536857","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536857","url":null,"abstract":"The method of realizing three-dimensional models' parameterized design in the three-dimensional CAD system was described. Its application in creating parts, assemblages, animations and finite element analysis were illustrated by applying Solidworks software in twin rollers sheet feeder. Three dimensional modeling and the assembly of all parts were completed based on parameter computation, which realized the evaluation and optimization of products in the design stage.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87145196","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536189
Linya Tian, Hui Zhang, Jian Wu
Urban subway is an important underground transportation facility, settlement monitoring and settlement analysis as well as settlement prediction are usually carried out in the construction process. In order to obtain a better settlement analysis and effect on predictions, the reliability of monitoring data should be first tested and analyzed. For the problem of data preprocessing in settlement monitoring, according to the basic principles of wavelet, detection method of settlement anomaly is studied and wavelet denoising is further researched. Combining with the settlement monitoring data in Nanjing subway, db3 wavelet is applied to three-layer wavelet decomposition based on sequence of the original settlement, through the module maximum value of high-frequency part, the settlement anomaly is analyzed and judged, and further the noise of high-frequency part is reduct,the new signal is reconstruct, the new sequence of settlement for settlement analysis and prediction is obtained. The method this paper researched is a pre-testing method of data reliability testing,and also has some reference value in other measured data preprocessing.
{"title":"Data preprocessing based on wavelet and its application in settlement monitoring for urban subway","authors":"Linya Tian, Hui Zhang, Jian Wu","doi":"10.1109/MACE.2010.5536189","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536189","url":null,"abstract":"Urban subway is an important underground transportation facility, settlement monitoring and settlement analysis as well as settlement prediction are usually carried out in the construction process. In order to obtain a better settlement analysis and effect on predictions, the reliability of monitoring data should be first tested and analyzed. For the problem of data preprocessing in settlement monitoring, according to the basic principles of wavelet, detection method of settlement anomaly is studied and wavelet denoising is further researched. Combining with the settlement monitoring data in Nanjing subway, db3 wavelet is applied to three-layer wavelet decomposition based on sequence of the original settlement, through the module maximum value of high-frequency part, the settlement anomaly is analyzed and judged, and further the noise of high-frequency part is reduct,the new signal is reconstruct, the new sequence of settlement for settlement analysis and prediction is obtained. The method this paper researched is a pre-testing method of data reliability testing,and also has some reference value in other measured data preprocessing.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87523504","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5535533
Zheng-guang Yang, P. Ye
An electromagnetic acoustic transducer (EMAT) can emit and receive ultrasonic waves though electromagnetic coupling. The non-contact characteristic of EMAT makes no coupling medium, so it is specially concerned by researchers on nondestructive testing and evaluation. This paper mainly introduce the design of electrical parameters and geometric parameters of electromagnetic acoustic surface wave detection system, which is special for the moving-wheels flaw detection, and the principle of moving-wheels flaw detection, it can be used as the key part of the automatic flaw detection system of the moving-wheels.
{"title":"Design of electromagnetic acoustic transducer for wheel flaw detection","authors":"Zheng-guang Yang, P. Ye","doi":"10.1109/MACE.2010.5535533","DOIUrl":"https://doi.org/10.1109/MACE.2010.5535533","url":null,"abstract":"An electromagnetic acoustic transducer (EMAT) can emit and receive ultrasonic waves though electromagnetic coupling. The non-contact characteristic of EMAT makes no coupling medium, so it is specially concerned by researchers on nondestructive testing and evaluation. This paper mainly introduce the design of electrical parameters and geometric parameters of electromagnetic acoustic surface wave detection system, which is special for the moving-wheels flaw detection, and the principle of moving-wheels flaw detection, it can be used as the key part of the automatic flaw detection system of the moving-wheels.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87727111","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}
Pub Date : 2010-06-26DOI: 10.1109/MACE.2010.5536430
Jingru Chen, Hui Wang
The power bond graph model of whole system has been established after theoretical analysis on the object of vehicle loading system with secondary regulation. And also the behavior of whole system has been researched with the affect of parameter damping, inertia ect. and interference of hydraulic and mechanical coupling. Through simulation, the influence pattern of the whole system with different value of these parameters has been obtained, which gives reliable theory basis to the further improve and enhance on the vehicle wheel bridge load system with secondary regulation.
{"title":"Simulation of dynamic performance influencing factors of vehicle wheel bridge load simulation system","authors":"Jingru Chen, Hui Wang","doi":"10.1109/MACE.2010.5536430","DOIUrl":"https://doi.org/10.1109/MACE.2010.5536430","url":null,"abstract":"The power bond graph model of whole system has been established after theoretical analysis on the object of vehicle loading system with secondary regulation. And also the behavior of whole system has been researched with the affect of parameter damping, inertia ect. and interference of hydraulic and mechanical coupling. Through simulation, the influence pattern of the whole system with different value of these parameters has been obtained, which gives reliable theory basis to the further improve and enhance on the vehicle wheel bridge load system with secondary regulation.","PeriodicalId":6349,"journal":{"name":"2010 International Conference on Mechanic Automation and Control Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88127585","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}
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