Pub Date : 1900-01-01DOI: 10.5220/0008869804350443
Z. Jintao, Jianyi Kong, X. Wang, Wei Sun
Invoice checking code is one of the key factors affecting invoice reimbursement, but some invoice checking codes are covered by red seal, resulting in lack of information. In order to solve the identification problem of defect invoice check code, in this paper, the color distribution in the check code region and the interaction between color and light are studied, and the scheme of invoice monochrome light reverse transmission is formulated. By analyzing the gray histogram of R, G and B three-channel images, a threechannel weighted graying method for invoice images is proposed. After locating the region by vertical horizontal projection of the check codes, the binarization of the check codes is realized by double threshold segmentation, and the single character segmentation is obtained by vertical projection. Finally, character recognition is carried out by template matching method. The experimental results show that the above method can eliminate the influence of red seals and improve the accuracy of the identification of check codes for defective invoices.
{"title":"Research on Transmission Light and Recognition Algorithms of Invoice Check Code","authors":"Z. Jintao, Jianyi Kong, X. Wang, Wei Sun","doi":"10.5220/0008869804350443","DOIUrl":"https://doi.org/10.5220/0008869804350443","url":null,"abstract":"Invoice checking code is one of the key factors affecting invoice reimbursement, but some invoice checking codes are covered by red seal, resulting in lack of information. In order to solve the identification problem of defect invoice check code, in this paper, the color distribution in the check code region and the interaction between color and light are studied, and the scheme of invoice monochrome light reverse transmission is formulated. By analyzing the gray histogram of R, G and B three-channel images, a threechannel weighted graying method for invoice images is proposed. After locating the region by vertical horizontal projection of the check codes, the binarization of the check codes is realized by double threshold segmentation, and the single character segmentation is obtained by vertical projection. Finally, character recognition is carried out by template matching method. The experimental results show that the above method can eliminate the influence of red seals and improve the accuracy of the identification of check codes for defective invoices.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114587691","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 : 1900-01-01DOI: 10.5220/0008855703730377
Hui-Chung Shi, Dongbing Tong
: In this brief, the problem of the finite-time synchronization is considered for neutral-type neural networks (NTNNs) with the Markovian switching and multi-delays. Sufficient conditions are acquired for the finite-time synchronization of NTNNs by Lyapunov stability theory. Then, the adaptive control is designed by a suitable updated law. Finally, a numerical simulation is given to illustrate the effectiveness of the obtained result.
{"title":"Finite-Time Synchronization for Neutral-Type Neural Networks with Markovian Switching and Multi-Delays","authors":"Hui-Chung Shi, Dongbing Tong","doi":"10.5220/0008855703730377","DOIUrl":"https://doi.org/10.5220/0008855703730377","url":null,"abstract":": In this brief, the problem of the finite-time synchronization is considered for neutral-type neural networks (NTNNs) with the Markovian switching and multi-delays. Sufficient conditions are acquired for the finite-time synchronization of NTNNs by Lyapunov stability theory. Then, the adaptive control is designed by a suitable updated law. Finally, a numerical simulation is given to illustrate the effectiveness of the obtained result.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121111789","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 : 1900-01-01DOI: 10.5220/0008868000640069
Guangming Li, Congrui Zuo, Yi Ma, Qike Huang
Car skylight in view of the after-sales returns, customer site failure problem analysis, found abnormal closed, out of sync, sound and sealing strip fracture phenomenon, put forward by means of structural optimization and process optimization improvement scheme, according to the design parameters of automobile skylight components, through the corresponding module of 3 d software to complete the mechanical group of 3 d model before and after improvement. The rationality of the improved mechanical group was verified through experiments, and the fracture of seal strip was emphatically analyzed to verify the rationality of the improved scheme
{"title":"Analysis and Research on the Fault Phenomenon of Car Sunroof","authors":"Guangming Li, Congrui Zuo, Yi Ma, Qike Huang","doi":"10.5220/0008868000640069","DOIUrl":"https://doi.org/10.5220/0008868000640069","url":null,"abstract":"Car skylight in view of the after-sales returns, customer site failure problem analysis, found abnormal closed, out of sync, sound and sealing strip fracture phenomenon, put forward by means of structural optimization and process optimization improvement scheme, according to the design parameters of automobile skylight components, through the corresponding module of 3 d software to complete the mechanical group of 3 d model before and after improvement. The rationality of the improved mechanical group was verified through experiments, and the fracture of seal strip was emphatically analyzed to verify the rationality of the improved scheme","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122376890","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 : 1900-01-01DOI: 10.5220/0008385802990305
Chao Zhao, Jiaguo Liu, Yuye Tang
: In view of the high attitude stability requirements of shipborne radar turret under sea conditions, the hardware and software of the two-axis shipborne radar turret servo control system were designed.DSP chip TMS320F2812 and FPGA chip were used as the servo control core for controller design, and Copley motor drivers were used to drive the motors. The control software used the "current + speed + position" triple closed loop control method and PID control algorithm was developed with CCS3.3 development platform. The system triple closed loop control model was established and simulated with the Simulink module of Matlab, and the result of 30 ms response time of the system was derived. Finally, the experimental verification shows that the design of shipborne radar turntable servo control system meets the design specifications.
{"title":"Design of Shipborne Radar Turntable Servo System","authors":"Chao Zhao, Jiaguo Liu, Yuye Tang","doi":"10.5220/0008385802990305","DOIUrl":"https://doi.org/10.5220/0008385802990305","url":null,"abstract":": In view of the high attitude stability requirements of shipborne radar turret under sea conditions, the hardware and software of the two-axis shipborne radar turret servo control system were designed.DSP chip TMS320F2812 and FPGA chip were used as the servo control core for controller design, and Copley motor drivers were used to drive the motors. The control software used the \"current + speed + position\" triple closed loop control method and PID control algorithm was developed with CCS3.3 development platform. The system triple closed loop control model was established and simulated with the Simulink module of Matlab, and the result of 30 ms response time of the system was derived. Finally, the experimental verification shows that the design of shipborne radar turntable servo control system meets the design specifications.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127529596","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 : 1900-01-01DOI: 10.5220/0008848901650171
Ji Liangbo, Sun Xuejiao, Ning Zhang, Mingming Wan
TRIZ theory is one of the most practical and efficient methods of innovation in modern times, The article aims to solve the problem of "low efficiency in welding production of Big-caliber steel tube ", based on TRIZ theory, the design of large diameter steel tube auxiliary welding positioning device can be flexible clamping of various sizes of steel tubes, ensure that the big-caliber steel tube fitting can be welded flexibly after being fixed, The practical problem of repeated clamping during welding is solved. 1 APPLICATION OF TRIZ THEORY 1.1 Initial Investigation of Positioning Device Design According to market research, the main function of existing auxiliary welding positioning devices is to completely fix the workpiece, ensure smooth operation of welding, its usage characteristics lead to the tube cannot be rotated or moved after the welder has fixed it, after welding some welds, the rest parts are difficult to be welded, it needs to be fixed and welded again, the working process is timeconsuming and laborious, and easy to appear the sealing-off welding situation, the equipment is not easy for operators to use. Based on the analysis of existing relevant patents, TRIZ theory "SVOP" expression method is used to express the function of the system to be designed, setting design objectives (Countinho J S, 1964): Technology System(S): Auxiliary welding positioning device; Apply Action(V): Fixed/rotated; Action Object(O): Big-caliber steel tube; Parameters of the action object(P): Displacement changes Therefore, the function of the design system is expressed as "auxiliary welding positioning device to fix/rotate the displacement change of big-caliber steel tube". The key problem to be solved in its design is how to save time and effort. Single clamping can complete the whole circle welding with less labor, and put the welding personnel in the best position for easy welding. 1.2 Analysis Design System Problem TRIZ theory has a very systematic analysis method for the problem of innovative design. The main purpose of system analysis is to find the key problems of the whole design system, for the design problems in this article, analysis the function, cause and effect and resources of the design system that can effectively determine the key problems to be solved in the whole system. 1.2.1 System Function Analysis The function of this system is expressed as "the displacement change of big-caliber steel tube fixed/rotated by the auxiliary welding positioning device", according to the system function model figure 1, the negative function of the system is insufficient control of the driving device and clamping device in the human positioning device (Gofuku A, Koide S, Shimada N, 2006). 1.2.2 Systematic Causal Analysis 5Whys analysis method is adopted to carry out causal analysis on the design system, In the fivequestion analysis method (figure 2), Let's start with Ji, L., Sun, X., Zhang, N. and Wan, M. Design of Welding Positioning Device for Big-Caliber S
{"title":"Design of Welding Positioning Device for Big-Caliber Steel Tube based on TRIZ Theory","authors":"Ji Liangbo, Sun Xuejiao, Ning Zhang, Mingming Wan","doi":"10.5220/0008848901650171","DOIUrl":"https://doi.org/10.5220/0008848901650171","url":null,"abstract":"TRIZ theory is one of the most practical and efficient methods of innovation in modern times, The article aims to solve the problem of \"low efficiency in welding production of Big-caliber steel tube \", based on TRIZ theory, the design of large diameter steel tube auxiliary welding positioning device can be flexible clamping of various sizes of steel tubes, ensure that the big-caliber steel tube fitting can be welded flexibly after being fixed, The practical problem of repeated clamping during welding is solved. 1 APPLICATION OF TRIZ THEORY 1.1 Initial Investigation of Positioning Device Design According to market research, the main function of existing auxiliary welding positioning devices is to completely fix the workpiece, ensure smooth operation of welding, its usage characteristics lead to the tube cannot be rotated or moved after the welder has fixed it, after welding some welds, the rest parts are difficult to be welded, it needs to be fixed and welded again, the working process is timeconsuming and laborious, and easy to appear the sealing-off welding situation, the equipment is not easy for operators to use. Based on the analysis of existing relevant patents, TRIZ theory \"SVOP\" expression method is used to express the function of the system to be designed, setting design objectives (Countinho J S, 1964): Technology System(S): Auxiliary welding positioning device; Apply Action(V): Fixed/rotated; Action Object(O): Big-caliber steel tube; Parameters of the action object(P): Displacement changes Therefore, the function of the design system is expressed as \"auxiliary welding positioning device to fix/rotate the displacement change of big-caliber steel tube\". The key problem to be solved in its design is how to save time and effort. Single clamping can complete the whole circle welding with less labor, and put the welding personnel in the best position for easy welding. 1.2 Analysis Design System Problem TRIZ theory has a very systematic analysis method for the problem of innovative design. The main purpose of system analysis is to find the key problems of the whole design system, for the design problems in this article, analysis the function, cause and effect and resources of the design system that can effectively determine the key problems to be solved in the whole system. 1.2.1 System Function Analysis The function of this system is expressed as \"the displacement change of big-caliber steel tube fixed/rotated by the auxiliary welding positioning device\", according to the system function model figure 1, the negative function of the system is insufficient control of the driving device and clamping device in the human positioning device (Gofuku A, Koide S, Shimada N, 2006). 1.2.2 Systematic Causal Analysis 5Whys analysis method is adopted to carry out causal analysis on the design system, In the fivequestion analysis method (figure 2), Let's start with Ji, L., Sun, X., Zhang, N. and Wan, M. Design of Welding Positioning Device for Big-Caliber S","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132735823","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 : 1900-01-01DOI: 10.5220/0008873602510260
Qian Jing, N. Mi
In order to research the influence of the different friction models on the frictional characteristics and the dynamic response of the multibody system with different kinds of joints, eleven different kinds of friction models were used in three different specified scenarios. Firstly, each friction model is simply introduced, and its friction characteristics are illustrated. In addition, in order to test the physical properties of these friction models, there are two different scenarios: (i) multibody system with revolute joint; (ii) multibody system with revolute joint and prismatic joint simultaneously. Secondly, when these friction models are applied in the scenarios, the comparison analysis between with friction phenomenon model and without friction phenomenon model is implemented, which is validated by the commercial software ADAMS. Finally, the simulation shows that the type of joint in the multibody system has a significant effect on the selection mechanism of these friction models. Namely, this investigation provides a reference method for choosing the friction model that is the best suitable for the above two different scenarios according to the computational efficiency and position stability.
{"title":"Investigation of Selection Mechanism of Friction Models in Multibody Systems","authors":"Qian Jing, N. Mi","doi":"10.5220/0008873602510260","DOIUrl":"https://doi.org/10.5220/0008873602510260","url":null,"abstract":"In order to research the influence of the different friction models on the frictional characteristics and the dynamic response of the multibody system with different kinds of joints, eleven different kinds of friction models were used in three different specified scenarios. Firstly, each friction model is simply introduced, and its friction characteristics are illustrated. In addition, in order to test the physical properties of these friction models, there are two different scenarios: (i) multibody system with revolute joint; (ii) multibody system with revolute joint and prismatic joint simultaneously. Secondly, when these friction models are applied in the scenarios, the comparison analysis between with friction phenomenon model and without friction phenomenon model is implemented, which is validated by the commercial software ADAMS. Finally, the simulation shows that the type of joint in the multibody system has a significant effect on the selection mechanism of these friction models. Namely, this investigation provides a reference method for choosing the friction model that is the best suitable for the above two different scenarios according to the computational efficiency and position stability.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"148 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130086178","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 : 1900-01-01DOI: 10.5220/0008865304020407
Y. Li, Haoping Wang, Yang Tian
: In recent years, network control systems and visual servo systems have received a lot of attention, but due to network delay and the low sampling rate of visual sensors, it has caused problems for control. In order to reduce the effects of the sampling and delay, this paper deals with proportional integration piecewise continuous observer (PI-PCO), which is based on the theory of a particular class of hybrid systems, called linear piecewise continuous hybrid system (LPCHS). This proposed PI-PCO can estimate the continuous and non-delay state by using the sampled and delayed measurements with variable sampling time period. To show the proposed PI-PCO performance, some numerical simulations with compared results are demonstrated.
{"title":"PI Piecewise Continuous Observer Design for Sampled and Delayed Linear Systems with Variable Sampling Time Period","authors":"Y. Li, Haoping Wang, Yang Tian","doi":"10.5220/0008865304020407","DOIUrl":"https://doi.org/10.5220/0008865304020407","url":null,"abstract":": In recent years, network control systems and visual servo systems have received a lot of attention, but due to network delay and the low sampling rate of visual sensors, it has caused problems for control. In order to reduce the effects of the sampling and delay, this paper deals with proportional integration piecewise continuous observer (PI-PCO), which is based on the theory of a particular class of hybrid systems, called linear piecewise continuous hybrid system (LPCHS). This proposed PI-PCO can estimate the continuous and non-delay state by using the sampled and delayed measurements with variable sampling time period. To show the proposed PI-PCO performance, some numerical simulations with compared results are demonstrated.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"459 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122890991","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 : 1900-01-01DOI: 10.5220/0008386403100316
L. Ning, Hua Gao, Wang Zhuding, He Molin
: Considering that it is difficult to determine the load points or the locations of user access facilities in urban areas for the planning years, an optimization method for the routing planning of urban medium - voltage (MV) trunk lines is proposed based on power supply meshes. Firstly, based on the results of load forecasting and high voltage substation planning, power supply meshes are generated in the entire planning area according to the principle of selecting standby substations close to loads. Then, based on the thinking line of “trunk firstly, branch then”, a shortest path based two-step algorithm is proposed to find the shortest trunk lines for the load centres of power supply meshes and the shortest trunk tie-line be-tween the load centres of each mesh. A numerical example shows that the method is practical and feasible, which can provide a reference for the reasonable routing scheme of medium voltage trunk lines.
{"title":"Power Supply Meshes based Line Routing for Urban MV Distribution Network Planning","authors":"L. Ning, Hua Gao, Wang Zhuding, He Molin","doi":"10.5220/0008386403100316","DOIUrl":"https://doi.org/10.5220/0008386403100316","url":null,"abstract":": Considering that it is difficult to determine the load points or the locations of user access facilities in urban areas for the planning years, an optimization method for the routing planning of urban medium - voltage (MV) trunk lines is proposed based on power supply meshes. Firstly, based on the results of load forecasting and high voltage substation planning, power supply meshes are generated in the entire planning area according to the principle of selecting standby substations close to loads. Then, based on the thinking line of “trunk firstly, branch then”, a shortest path based two-step algorithm is proposed to find the shortest trunk lines for the load centres of power supply meshes and the shortest trunk tie-line be-tween the load centres of each mesh. A numerical example shows that the method is practical and feasible, which can provide a reference for the reasonable routing scheme of medium voltage trunk lines.","PeriodicalId":186406,"journal":{"name":"Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121880567","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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