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A method of manufacturing process modeling based on activity network for large-sized and complex products 认领 引用
1
作者 吕民 佟振博 王刚 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2008年第6期777-780,共4页
Simulation technique is an efficient approach to realize the planning and scheduling of manufacturing process of products. An appropriate and efficient manufacturing process model is the basis and key of manufacturing... Simulation technique is an efficient approach to realize the planning and scheduling of manufacturing process of products. An appropriate and efficient manufacturing process model is the basis and key of manufacturing process simulation. By analyzing the features of large-sized and complex products, a method of manufacturing process modeling based on activity network is presented and a mapping algorithm of translating BOM/BOP into the manufacturing process model is designed in detail. 展开更多
关键词 manufacturing process modeling large-sized and complex products workflow modeling
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Study on the Manufacturability Evaluation Based on Double-layer Model of Manufacturing Resources 认领 引用
2
作者 石旭东 FU +4 位作者 Yili Dai Yong Ma Yulin 《High Technology Letters》 EI CAS 2001年第2期61-65,共5页
Virtual organization is a new production patter and a principal part in advanced manufacturing systems such as agile manufacturing. Manufacturability evaluation is the necessary condition to form the virtual organizat... Virtual organization is a new production patter and a principal part in advanced manufacturing systems such as agile manufacturing. Manufacturability evaluation is the necessary condition to form the virtual organization. A new manufacturability evaluation approach is described in this paper, which is carried out based on every process feature under the double-layer model of manufacturing resources proposed by authors. The manufacturing resources that build up the virtual organization are selected according to the results of manufacturability evaluation. 展开更多
关键词 Manufacturability evaluation Double-layer model of manufacturing resources Virtual organization
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Trajectory planning of mobile manipulators in constrained workspace 认领 引用
3
作者 付宜利 闫庆辉 马玉林 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2008年第4期521-524,共4页
The cooperative motion planning of nonholonomic wheeled mobile manipulators （WMM） with kinematic redundaney in the constrained workspace was studied. A trajectory planning method combining the probabilistic planning... The cooperative motion planning of nonholonomic wheeled mobile manipulators （WMM） with kinematic redundaney in the constrained workspace was studied. A trajectory planning method combining the probabilistic planning and the solving of inverse kinematic equations was presented. First, the probabilistie planning method was used to determine the guide configurations; then the switching objective function was defined and the path of the end-effector was constructed based on these guide configurations ; finally, the inverse kinematic equations of the WMM were solved using the gradient projection method, and the obstacle avoidance trajectory for joints of the WMM was obtained. Simulation results were given to demonstrate the effectiveness of the proposed method. 展开更多
关键词 wheeled mobile manipulators constrained workspace probabilistic planning guide configurations trajectory planning
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Numerical simulation of cutting process of the slice components cutting machine 认领 引用
4
作者 索来春 刘平平 +1 位作者 王晓群 苏健 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2010年第1期127-130,共4页
By the use of ANSYS/LS-DYNA FEA software,numerical simulation on the cutting process of cutting plates with a reamer was carried out in the paper. The logical improvement was brought forward and the phenomenon of stre... By the use of ANSYS/LS-DYNA FEA software,numerical simulation on the cutting process of cutting plates with a reamer was carried out in the paper. The logical improvement was brought forward and the phenomenon of stress concentration was deceased by weighted analysis. The effects of different cut velocities and cutting thickness on life-spans of reamers were investigated, and the cutting parameters were optimized to satisfy the cutting precision and cutting efficiency. The study will provide a guide for the practical production. 展开更多
关键词 cutting process numerical simulation stress cutting parameters
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Effects of reconfiguration on the performance of mobile navigation robot 认领 引用
5
作者 付宜利 Xu He Li Han Wang Shuguo Ma Yuliu 《High Technology Letters》 EI CAS 2006年第3期245-249,共5页
An irmovative mobile robot that has reconfigurable loeomotion chassis and reconfigurable bionic wheels has been developed to meet the needs of different payload and different terrain. Several prototypes have been achi... An irmovative mobile robot that has reconfigurable loeomotion chassis and reconfigurable bionic wheels has been developed to meet the needs of different payload and different terrain. Several prototypes have been achieved by the recortfiguration. By modeling relative comparison coefficients, these prototypes are analyzed in terms of geometrical parameter of trafficability, static stability and maneuverability. The effects of reconfiguration on these indices of robot performance can be compared, i.e. the variable height of chassis h has the biggest effect, the variable length of chassis 1 is the second, then is the camber angle β and the caster angle α. Some principles for reconfiguration are proposed. 展开更多
关键词 reconfigurable chassis reconfigurable bionic wheel comparative coefficient mobile navigation robot
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A model for mold collaborative manufacturing execution system based on Web Service 认领 引用 被引量：2
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作者 赵立忠 Wang +2 位作者 Yanbin Gao Guoan 《High Technology Letters》 EI CAS 2006年第4期372-378,共7页
Mold manufacturing Extended Enterprise （EE） has the following characteristics： distributed in locality, tight cooperation and frequent information exchange. It needs a collaborative, highly efficient, reliable and ... Mold manufacturing Extended Enterprise （EE） has the following characteristics： distributed in locality, tight cooperation and frequent information exchange. It needs a collaborative, highly efficient, reliable and intelligent manufacturing management system. The background of the Collaborative Manufacturing is introduced. A mold Collaborative Manufacturing Execution System （c-MES） is proposed. The feature of Web Service platform is analyzed. The necessity and feasibility of importing the Web Service to mold c-MES are discussed. Based on Web Service, the model of mold c-MES is built. Every module＇ s function is described in detail, including the functions it supplies and the mechanism of information interaction among them. The feasibility of mold c-MES model is validated by a real mold manufacturing case. 展开更多
关键词 collaborative manufacturing execution system web service mold manufacturing Extended Enterprise
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The design and implementation of virtual hand grasp behavior process in virtual assembly 认领 引用 被引量：1
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作者 刘诚 付宜利 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2010年第4期527-530,共4页
Virtual hand is an important medium for implementation of human-computer interaction in the process of virtual assembly. And the comparability between the action of virtual hand and real man-hand has always been regar... Virtual hand is an important medium for implementation of human-computer interaction in the process of virtual assembly. And the comparability between the action of virtual hand and real man-hand has always been regarded as one of the important criteria to judge whether the virtual environment has the property of immersion. On the basis of analyzing the relative position,posture,and motion behavior relationship between virtual hand and the object to be operated during virtual assembly,this paper proposed an implementation method of combining grasp index with collision detecting technology for identifying grasp action of virtual hand. The method is to identify grasp/quit using grasp index and to implement joint angle adjustment through simulation cyclic iteration and joint angle interpolation calculation. Although some traditional method identifying the grasp action on the basis of the shape of the object is operated,the simulation result getting from virtual environment created by EON STUDIO shows that it has good features of serviceability and fidelity to realize operation control of virtual hand. 展开更多
关键词 virtual hand operate behavior relationship grasp index
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The Client/server-based Distributed Architecture of a CIM Intelligent Integrating Platform 认领 引用
8
作者 王刚 《High Technology Letters》 EI CAS 1996年第2期9-12,共4页
Information integrating platform is a basic supporting environment based on informationtechnology for a CIM(Computer Integrated Manufacturing)system.There are some prob-lems to solve in the research and development of... Information integrating platform is a basic supporting environment based on informationtechnology for a CIM(Computer Integrated Manufacturing)system.There are some prob-lems to solve in the research and development of the platform,such as the type of informa-tion processed in the platform and the distribution strategy of the platform system.This pa-per introduces a plan of an intelligent information integrating platform for CIM system basedon the client/server architecture,named I3P.The architecture,organization and detailed de-sign of services in I3P are also described. 展开更多
关键词 Computer integrated manufacturing Intelligent manufacturing system Integrating infrastructure and platform Client/server
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Inventory control model based on external and interior reverse logistics 认领 引用 被引量：1
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作者 董景峰 王刚 +1 位作者 吕民 高国安 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2009年第5期717-722,共6页
To improve the inventory control strategy for enterprise and optimize inventory control parameters of existing external and interior reverse logistics, a multi-resource inventory control model is proposed to better si... To improve the inventory control strategy for enterprise and optimize inventory control parameters of existing external and interior reverse logistics, a multi-resource inventory control model is proposed to better simulate the logistics fact, which is aimed at periodic inventory checking and pull mode of inventory control strategy, based on the return product arrival time obeying Poisson distribution, the return product employing lotsize process and the nonzero lead time of manufaeturingeemanufacturing. The rational cost function with multiple constraints is employed to describe the inventory model. The genetic algorithm is employed to solve the inventory cost function to obtain the optimal solution of inventory checking periods, safe inventory point, product lot-sizes and process lot-sizes of return product. An example is presented to prove the feasibility and validity of the proposed method. Moreover, the influence of manufacturingemanufacturing lead time and reuse rate of return production on the inventory control strategy of enterprise is analyzed. 展开更多
关键词 reverse logistics inventory control periodic checking lead time
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An adaptive learning rate GMM for background extraction 认领 引用 被引量：7
10
作者 SHENG Zun-bing CUI Xian-yu 《Optoelectronics Letters》 EI 2008年第6期460-463,共4页
The rapidness and stability of background extraction from image sequences are incompatible,that is,when a conventional Gaussian mixture models (GMM)is used to rebuild the background,if the background regions of the sc... The rapidness and stability of background extraction from image sequences are incompatible,that is,when a conventional Gaussian mixture models (GMM)is used to rebuild the background,if the background regions of the scene are changed,the extracted background becomes bad until the transition is over. A novel adaptive method is presented to adjust the learning rate of GMM in a Hilbert space. The background extraction is treated as a process of approaching to a certain point in the Hilbert space,so the real-time learning rate can be obtained by calculating the distance between the two adjacent extracted background images,and a judgment method of the stability of background is got too. Compared with conventional GMM,the method has both high rapidness and good stability at the same time,and it can adjust the learning rate online. The experiment shows that it is better than conventional GMM,especially in the transition process of background extraction. 展开更多
关键词 GMM 适应性学习比率 背景选择 信息处理
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Automatic pipes routing based on flow loss in electromechanical product 认领 引用
11
作者 付宜利 封海波 +1 位作者 李荣 马玉林 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2009年第5期697-702,共6页
Based on flow loss, a new automatic pipe-routing algorithm is proposed for electromechanical product in 3D space, which consists of pre-processing and optimization search. Utilizing chaos theory, a chaos grid preproce... Based on flow loss, a new automatic pipe-routing algorithm is proposed for electromechanical product in 3D space, which consists of pre-processing and optimization search. Utilizing chaos theory, a chaos grid preprocessing model （CGPM） is established to efficiently pick up the solution space and reduce the search range in the pre-processing, which simplifies the optimization search. A modified particle swarm optimization （PSO） algorithm is presented to seek for an approximate optimal trajectory in the solution space in the optimization search based on standard PSO algorithm and migration characters of people. The comparison of experiments and analysis results shows that the modified PSO algorithm is capable of preventing prematurity effectively and searching for the optimal trajectory more efficiently. Theoretical analysis proves that the modified PSO algorithm converges at global optimum. The examples show that the automatic pipe-routing algorithm based on flow loss is effective and practical for eleetromechanieal product. 展开更多
关键词 flow loss pipes routing pre-processing CGPM PSO
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Study on Integrated Quality Assurance System in CIMS 认领 引用
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作者 马玉林 Yang Xu +1 位作者 Sun Hongwei Yang Xiaohui 《High Technology Letters》 EI CAS 2000年第4期12-14,共3页
Integrated Quality Assurance System (IQAS) is an important part of CIMS.This paper introduces the architecture of IQAS,elaborates the philosophy of quality assurance and quality control in CIMS.A type of function mode... Integrated Quality Assurance System (IQAS) is an important part of CIMS.This paper introduces the architecture of IQAS,elaborates the philosophy of quality assurance and quality control in CIMS.A type of function model is proposed.Meanwhile, details of the model are described. 展开更多
关键词 Computer integrated manufacturing Integrated quality assurance system
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Study on  Chart Based on Short Production Run 认领 引用
13
作者 付宜利 Yang Xu +1 位作者 Ma Yulin Yang Xiaohui 《High Technology Letters》 EI CAS 2001年第2期58-60,共3页
High intellectual, high flexible automatic manufacturing system based on low volume production is the trend in the future, but the traditional control charts whose control limits are based on at least 20～25 subgroups... High intellectual, high flexible automatic manufacturing system based on low volume production is the trend in the future, but the traditional control charts whose control limits are based on at least 20～25 subgroups of five observations each are not suitable in this environment. The paper presents variance control chart used in small batch production in which there are not sufficient observations. The control limits are set reliably without restriction of the number of samples. 展开更多
关键词 Study on Chart Based on Short Production Run
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A SAA-based Novel Hybrid Intelligent Evolutionary Algorithm for Job Shop Scheduling Problem 认领 引用
14
作者 代勇 Wang +4 位作者 Tao FU Yili Ma Yulin 《High Technology Letters》 EI CAS 2002年第1期37-40,共4页
Through systematic analysis and comparison of the common features of SAA, ES and traditional LS (local search) algorithm, a new hybrid strategy of mixing SA, ES with LS, namely HIEA (Hybrid Intelligent Evolutionary Al... Through systematic analysis and comparison of the common features of SAA, ES and traditional LS (local search) algorithm, a new hybrid strategy of mixing SA, ES with LS, namely HIEA (Hybrid Intelligent Evolutionary Algorithm), is proposed in this paper. Viewed as a whole, the hybrid strategy is also an intelligent heuristic searching procedure. But it has some characteristics such as generality, robustness, etc., because it synthesizes advantages of SA, ES and LS, while the shortages of the three methods are overcome. This paper applies Markov chain theory to describe the hybrid strategy mathematically, and proves that the algorithm possesses the global asymptotical convergence and analyzes the performance of HIEA. 展开更多
关键词 SAA HIEA Job shop Markov chain
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Agent-oriented Single Token and Colored Transition Petri Net 认领 引用
15
作者 隋杰 Yu +4 位作者 Hua Jiao Jianbin GAO Guoan 《High Technology Letters》 EI CAS 2002年第1期54-57,共4页
Petri net is a kind of effective graphic modeling tool. The agent technology is combined with petri net in order to enhance flexibility and extendibility, and the agent-oriented single token and colored transition pet... Petri net is a kind of effective graphic modeling tool. The agent technology is combined with petri net in order to enhance flexibility and extendibility, and the agent-oriented single token and colored transition petri net is proposed. Some characteristics such as liveness, fairness and safety are analyzed. Finally, an example in mould agile manufacturing is given to illustrate the use of it. 展开更多
关键词 Petri net Agent Liveness Fairness Safety
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