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Author: Dai Shaowu） Ma Changli） Liao J
Abstract: Beidou double-star position system is one kind of regional position system build up.By analyzing the principle of double-star position system,the position accuracy of active Beidou double-star position system is researched.Aim at its shortcoming of active...
Abstract: Beidou double-star position system is one kind of regional position system build up.By analyzing the principle of double-star position system,the position accuracy of active Beidou double-star position system is researched.Aim at its shortcoming of active...
Author: TAO Gui - bao,AN Xiang - bo
Abstract: The development of relevant simulation software,which is promoted by the widely use of turn - mill NC machine tools. The paper introduces the purpose of developing simulation system for turn - mill complex machining, and proposes the scheme and overall fr...
Abstract: The development of relevant simulation software,which is promoted by the widely use of turn - mill NC machine tools. The paper introduces the purpose of developing simulation system for turn - mill complex machining, and proposes the scheme and overall fr...
Author: CUI Jin-yi1, ZHAO You-qun , RU
Abstract: Leaf spring is a component of suspension, with relatively complicated mechanical properties. It is both an elastic component, and a longitudinal, lateral ground, force delivery component. Thus, establishing a leaf spring is a difficult thing for construct...
Abstract: Leaf spring is a component of suspension, with relatively complicated mechanical properties. It is both an elastic component, and a longitudinal, lateral ground, force delivery component. Thus, establishing a leaf spring is a difficult thing for construct...
3D Transient Numerical Simulation of Flow Field in Cylinder of Diesel Engine with Double-intake Port
Author: HU Yun-ping, LI Qiu-xia
Abstract: The 3D transient numerical simulation for intake and compression processes of diesel engine with double-intake port is performed using CFD code Fire. The distribution characteristics of in-cylinder flow field are provided, which reveal the detailed proces...
Abstract: The 3D transient numerical simulation for intake and compression processes of diesel engine with double-intake port is performed using CFD code Fire. The distribution characteristics of in-cylinder flow field are provided, which reveal the detailed proces...
Author: PENG Tao , CHEN Jin-tao , LI X
Abstract: Combined with a hydropower project, simulation groups of undergroud cavity powerhouse during excavation process. Establishing the model by large - scale finite element software of ANSYS, then export the information of nodes and elements,which three- dimen...
Abstract: Combined with a hydropower project, simulation groups of undergroud cavity powerhouse during excavation process. Establishing the model by large - scale finite element software of ANSYS, then export the information of nodes and elements,which three- dimen...
Author: JIN Peng- fei, YIN Yong
Abstract: This paper firstly describe basic principle and structure of LMS, then a simulation module based on square antenna array is proposed and LMS is applied on this module, finally the algorithm is processed based on Maflab with one and two jamming, the simula...
Abstract: This paper firstly describe basic principle and structure of LMS, then a simulation module based on square antenna array is proposed and LMS is applied on this module, finally the algorithm is processed based on Maflab with one and two jamming, the simula...
Author: LIU Wei, GUO Lei,YU Yong
Abstract: Scene simulation is the most important form of Virtual Reality and motion model is one of the key parts of scene simulation. A brief introduction of basic motion models in Vega is given, then reali- zation of defining motion with pathing module and naviga...
Abstract: Scene simulation is the most important form of Virtual Reality and motion model is one of the key parts of scene simulation. A brief introduction of basic motion models in Vega is given, then reali- zation of defining motion with pathing module and naviga...
Author: ZHU Yan-feng, WANG-Wei, TONG S
Abstract: This paper proposed a fault diagnosis method based on back propagation （BP） neural network for thyristors fault of three-phase full-bridge controlled rectifier in the power electronic technology. A simulation model of three-phase full-bridge controlled re...
Abstract: This paper proposed a fault diagnosis method based on back propagation （BP） neural network for thyristors fault of three-phase full-bridge controlled rectifier in the power electronic technology. A simulation model of three-phase full-bridge controlled re...
Author: TANG Jian-sheng, JIANG Xiang-d
Abstract: In many cases the outside-ship-platform becomes strongly jammed, which makes the ship＇s sonar hard to detect weak targets. Two methods for extracting weak target information from sonar outputs, the beamspace MVDR （b-MVDR） and the post-beamformer interfere...
Abstract: In many cases the outside-ship-platform becomes strongly jammed, which makes the ship＇s sonar hard to detect weak targets. Two methods for extracting weak target information from sonar outputs, the beamspace MVDR （b-MVDR） and the post-beamformer interfere...
Author: QU Hai-yan , LI Guo-qiang , SU
Abstract: Firstly, the numerical simulation of a circular concrete-filled steel tube specimen under drop impact was carried out by using LS-DYNA program. Then, the dynamic response of a fixedend concrete-filled steel tube specimen under lateral impact was analyzed....
Abstract: Firstly, the numerical simulation of a circular concrete-filled steel tube specimen under drop impact was carried out by using LS-DYNA program. Then, the dynamic response of a fixedend concrete-filled steel tube specimen under lateral impact was analyzed....
Author: LIU Han-kun, SUN Chao, LI Jie
Abstract: Concrete specimens were scanned by using CT, based on the generated data, a threedimensional geometric model was obtained by the three-dimensional reconstruction on the CT photos using MIMICS software. Then, mechanical experiments were implemented on diff...
Abstract: Concrete specimens were scanned by using CT, based on the generated data, a threedimensional geometric model was obtained by the three-dimensional reconstruction on the CT photos using MIMICS software. Then, mechanical experiments were implemented on diff...
Author: MA Zhi-lin , SHI Qing-xuan , W
Abstract: The fiber model in 3-dimensional nonlinear analysis program CANNY was used to simulate walls, and the uniaxial spring model was adopted to simulate beams. Elasto-plastie analysis of reinforced concrete coupled shear wall was carried out. Based on the comp...
Abstract: The fiber model in 3-dimensional nonlinear analysis program CANNY was used to simulate walls, and the uniaxial spring model was adopted to simulate beams. Elasto-plastie analysis of reinforced concrete coupled shear wall was carried out. Based on the comp...
Author: SHI Zhi-hui, MA Xin-lei, LU Bi
Abstract: Through discussion of three postural operations of No. 17 couplers to study anti-creep mechanism based on design theory, the failure causes of their anti-creep performance are analyzed. Considering such irregularly mechanism, a method is proposed based on...
Abstract: Through discussion of three postural operations of No. 17 couplers to study anti-creep mechanism based on design theory, the failure causes of their anti-creep performance are analyzed. Considering such irregularly mechanism, a method is proposed based on...
Author: Ma Aiyan Jiang Zhihui
Abstract: Decision - making simulation is a kind of ＂experience＂ education. It endows the students with the role of management and decision, raises students＇interests and practises their all -sided abilities including knowledge application, cooperation and communic...
Abstract: Decision - making simulation is a kind of ＂experience＂ education. It endows the students with the role of management and decision, raises students＇interests and practises their all -sided abilities including knowledge application, cooperation and communic...
Author: YANG Yi-jun, CHEN De-bao, MAO
Abstract: The direct coupled differential-common emitter amplify circuit with series negative feedback of voltage is designed, and the analytical method for poly-stage amplifier is adopted to theoretic calculating and simulating the circuit, With approximate deali...
Abstract: The direct coupled differential-common emitter amplify circuit with series negative feedback of voltage is designed, and the analytical method for poly-stage amplifier is adopted to theoretic calculating and simulating the circuit, With approximate deali...
Author: YANG Jun-Jiu, ZHAO Wen lai, BA
Abstract: A muhi-channel contest device is designed and implemented using VHDL language and graphic editor as input style based on software platform of MAX＋PLUS lI. Each functional module and circuit diagram is presented in this paper, by editing, compiling, simula...
Abstract: A muhi-channel contest device is designed and implemented using VHDL language and graphic editor as input style based on software platform of MAX＋PLUS lI. Each functional module and circuit diagram is presented in this paper, by editing, compiling, simula...
Author: WANG Li, LIULian rui, GAOJian-
Abstract: In order to solve the problem of heading control for the hexapod walking robot on unstructured terrain, the difference control way can be utilized to calculate the orientation of hexapod walking ro- bot. The coordination of the body and legs can be realiz...
Abstract: In order to solve the problem of heading control for the hexapod walking robot on unstructured terrain, the difference control way can be utilized to calculate the orientation of hexapod walking ro- bot. The coordination of the body and legs can be realiz...
Author: PI Yan- fu, LIU Li , SONG Kao
Abstract: Due to the emergence problems such as serious inhomogeneity of oil layer, low injection pressure, highly permeability or water accepting layer, high permeable contrast between various layers, difficult injection and production, and high flowing pressure i...
Abstract: Due to the emergence problems such as serious inhomogeneity of oil layer, low injection pressure, highly permeability or water accepting layer, high permeable contrast between various layers, difficult injection and production, and high flowing pressure i...
Author: HUANG Jin - xia, SONG Guo - yi
Abstract: This paper presented a fuzzy auto- controller for temperature Control system. A mathematical model of the system was established. Simulation results showed that the Fuzzy PID Auto- controller has some advantages of fast dynamic response, steady- state of ...
Abstract: This paper presented a fuzzy auto- controller for temperature Control system. A mathematical model of the system was established. Simulation results showed that the Fuzzy PID Auto- controller has some advantages of fast dynamic response, steady- state of ...
Author: LIU Fei,MOU Wen-jie,SUN Xu-shu
Abstract: In order to study the geochemical evolution of the groundwater,the mathematic model based on the principle of minimal energy and chemical thermodynamics was established,the model was solved by linprog function of MATLAB optimization toolbox.MATLAB optimiz...
Abstract: In order to study the geochemical evolution of the groundwater,the mathematic model based on the principle of minimal energy and chemical thermodynamics was established,the model was solved by linprog function of MATLAB optimization toolbox.MATLAB optimiz...
Author: LI Hui,JIN Sheng,LEI Xiao-Yun,
Abstract: This paper introduced the principle of sensitivity analysis and auto-calibration modules,and it was applied in Manasi watershed.Throngh the comparison of fore-and-aft result and the sensitivity analysis,it was proved that these modules are important for a...
Abstract: This paper introduced the principle of sensitivity analysis and auto-calibration modules,and it was applied in Manasi watershed.Throngh the comparison of fore-and-aft result and the sensitivity analysis,it was proved that these modules are important for a...
Author: LIU Guo-liang
Abstract: Based on the secondary development platform of UG/Open API and parametric design technology, a graph library of cam parametric design is developed. With the technology of UG/Open API, the system menu and user interface are created, whieh is driven by para...
Abstract: Based on the secondary development platform of UG/Open API and parametric design technology, a graph library of cam parametric design is developed. With the technology of UG/Open API, the system menu and user interface are created, whieh is driven by para...
Author: NIAN Shuai - qi XU Rang - shu
Abstract: VOF method has been used to simulate two - phase flow of main circuit of swirl atomizer in aero - engine . The spray half angle, pressure and speed distr/bution have been obtained by simulation. Both realizable k - ε Model and Reynolds - Stress Model were...
Abstract: VOF method has been used to simulate two - phase flow of main circuit of swirl atomizer in aero - engine . The spray half angle, pressure and speed distr/bution have been obtained by simulation. Both realizable k - ε Model and Reynolds - Stress Model were...
Author: WU Fan, JIANG Chang-sheng
Abstract: Classical Method such as wind tunnel testing and computational fluid dynamics（CFD） still play an important role in the process to obtain desired aerodynamic derivatives. But these methods have some limits. It is more convenient and faster to obtain desire...
Abstract: Classical Method such as wind tunnel testing and computational fluid dynamics（CFD） still play an important role in the process to obtain desired aerodynamic derivatives. But these methods have some limits. It is more convenient and faster to obtain desire...
Author: WEI Dong, REN Yuan
Abstract: Large tonnage machinery has the characteristics of being bulky,expensive and complicated to operate,with the bad production environment where it is inconvenient to study and operate such equipment.In view of this situation,this paper develops a computer s...
Abstract: Large tonnage machinery has the characteristics of being bulky,expensive and complicated to operate,with the bad production environment where it is inconvenient to study and operate such equipment.In view of this situation,this paper develops a computer s...
Author: GUO Chuan-yong, YUAN Ming-ting
Abstract: This article described the basic principles of AV algorithm of the matrix converter from the point of view of mathematical analysis and set up the simulation model of the matrix converter based on AV algorithm. Under ideal condition, the computer simulati...
Abstract: This article described the basic principles of AV algorithm of the matrix converter from the point of view of mathematical analysis and set up the simulation model of the matrix converter based on AV algorithm. Under ideal condition, the computer simulati...
Author: WU Jian-ming
Abstract: This paper presents main modern test methods for AG/SAG mill process design in the world, which are characterized by the miniaturization in test scale, with the background of mathematical models, computer simulation and modern test measures,reflects AG/SA...
Abstract: This paper presents main modern test methods for AG/SAG mill process design in the world, which are characterized by the miniaturization in test scale, with the background of mathematical models, computer simulation and modern test measures,reflects AG/SA...
Author: Guo Hui Wang Ze
Abstract: From the three-dimensional scale, we simulate the flow field and the pollution concentration field of six different geometrical sizes street canyon structures. The Spalart-Allmaras turbulent model is used to simulate the flow field; and the convectiondiff...
Abstract: From the three-dimensional scale, we simulate the flow field and the pollution concentration field of six different geometrical sizes street canyon structures. The Spalart-Allmaras turbulent model is used to simulate the flow field; and the convectiondiff...
Author: Lai Xiaoling Chen Yinan Wang S
Abstract: The numerical simulation of the processes of excavation and lining of a diversion tunnel of Pankou Hydropower Station has been conducted by using finite element software ANSYS. The excavation and lining of the tunnel is simulated with the birth--death ele...
Abstract: The numerical simulation of the processes of excavation and lining of a diversion tunnel of Pankou Hydropower Station has been conducted by using finite element software ANSYS. The excavation and lining of the tunnel is simulated with the birth--death ele...
Author: Wang Jibao Zhang Shoulei Chen
Abstract: The RNG κ～ε two equations model is adopted to simulate turbulence; and the volume of fluid method is used to determine the free water surface line; and the unstructured grid and adaptive grid densify local area mesh method, is used to build up successfull...
Abstract: The RNG κ～ε two equations model is adopted to simulate turbulence; and the volume of fluid method is used to determine the free water surface line; and the unstructured grid and adaptive grid densify local area mesh method, is used to build up successfull...