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长春光学精密机械与物... [7]
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OAI收割 [9]
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会议论文 [8]
期刊论文 [1]
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2012 [3]
2011 [5]
2008 [1]
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Computer S... [1]
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Alternating stress dynamics analysis of harmonic gear flexible wheel (EI CONFERENCE)
会议论文
OAI收割
2012 International Conference on Electrical Insulating Materials and Electrical Engineering, EIMEE 2012, May 25, 2012 - May 27, 2012, Shenyang, Liaoning, China
作者:
Li M.
收藏
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浏览/下载:53/0
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提交时间:2013/03/25
This article is the study of alternating stress of flexible wheel in harmonic gear drive system. Firstly
then
Finally
according to elasticity theory to theoretically analyze flexible wheel stress
based on the basic principle of sub-structure modal synthesis method
based on the dynamics simulation
use the software of UG
to analyze the alternating stress simulation results of flexible wheel and compare theoretical results and simulation results to come conclusion. The results show that: altering stress simulation results of flexible wheel are coincident with theoretical simulation results
PATRAN and ADAMS to carry out co-simulation
have a deeper understand the stress change trend in the drive process of flexible wheel
lay a foundation for further carrying out dynamics simulation of harmonic gear drive system. (2012) Trans Tech Publications
Switzerland.
Determination of optimum process parameters in gas-assisted injection molding (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Electrical Information and Mechatronics, ICEIM2011, December 23, 2011 - December 25, 2011, Jiaozuo, China
Zi K.
;
Chen L.
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浏览/下载:24/0
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提交时间:2013/03/25
With finite element analysis software Moldflow
numerical simulation and studies about FM truck roof handle were conducted on gas-assisted injection molding process. The influences of melt pre-injection shot
gas pressure
delay time and melt temperature were observed by using multi-factor orthogonal experimental method. According to the analysis of the factors' impact on evaluation index
the optimized parameter combination is obtained. Therefore the optimization design of technological parameters is done. The results show that during the gas-assisted injection molding
optimum pre-injection shot is 94%
gas pressure is 15MPa
delay time is 0.5s
melt temperature is 240 C. This study provided a more practical approach for the gas-assisted injection molding process optimization.
GSim:支持GPU加速软件过程仿真框架
期刊论文
OAI收割
Computer Engineering and Design, 2012, 卷号: 33, 期号: 2, 页码: 754-759,820
张备
;
翟健
;
杨秋松
收藏
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浏览/下载:51/0
  |  
提交时间:2012/11/12
software process simulation
GPGPU
CUDA
intermediate language
Design of thermostat system based on Proteus simulation software (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011, August 12, 2011 - August 14, 2011, Harbin, China
Han Z.
;
Song K.
收藏
  |  
浏览/下载:43/0
  |  
提交时间:2013/03/25
In order to solve the problem of precise temperature control
the thermoelectric cooler (TEC) principle widely used is analyzed for the design of the whole control process and selection of control parameters
and then accurate simulation model of the TEC is established in Proteus simulation software. Moreover
combined with the traditional circuit simulation model
the temperature control loop is designed
and the response characteristics of the system are tested using an input signal similar to the unit-step function to achieve the precise temperature control. Simulation results show that the proposed control circuits can precisely convert error signal to output voltage sent to TEC model
and TEC model behaves approximately like a two-pole system. The first pole starts at 20mHz and a second pole at 1Hz. 2011 IEEE.
Research on moving target tracking scene simulation technology under battlefield complicated environment based on Vega (EI CONFERENCE)
会议论文
OAI收割
4th International Congress on Image and Signal Processing, CISP 2011, October 15, 2011 - October 17, 2011, Shanghai, China
Wang S.
;
Wei Y.-J.
收藏
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浏览/下载:17/0
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提交时间:2013/03/25
In order to better simulate the real environment of the battlefield
which has moving-target and the complicated background and to simulate the tracking process of the target with 3d's simulation. This paper introduce a development platform of the Vega 3d simulation software
and how to use the Vega to simulate the complex battlefield background
which has the sky
the explosion effects in the ground
the fly parameters of fighter planes. It reappear a complete process
which contains capturing target and tracking target. Experiment indicate that the Vega development platform is convenient and fast
and can achieved the design parameters for the task's demands. It also has many advantages
that contains repeating the performance of real experiment and reducing the expenses of the military experiment. 2011 IEEE.
Establishment of airplane flight model and simulation analysis of landing behavior (EI CONFERENCE)
会议论文
OAI收割
2nd Annual Conference on Electrical and Control Engineering, ICECE 2011, September 16, 2011 - September 18, 2011, Yichang, China
作者:
Li L.
;
Li M.
收藏
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浏览/下载:31/0
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提交时间:2013/03/25
This paper create a high fidelity plant model of an aircraft landing gear to inclusion into a full aircraft flight simulation for accurately analyzing the performance and influence of landing gear system. The use of domain specific modeling software enables detailed modeling of the physics and facilitates accurate computational simulation of the flight dynamic
aerodynamic
landing gear dynamic and mechanical loads that occur when the landing gear are deployed and retracted during landing and take-off operations. The parameter design space is easily searched by considering a number of different landing scenarios including touching down on one wheel first
to optimize the design. The simulation results show that the aircraft landing gear system mathematical model established appropriately reflects the change of force and moment in the process of taking off and landing
and it is actual in the physical process. 2011 IEEE.
Aircraft landing gear simulation using multidomain modeling technology (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Information Technology, Computer Engineering and Management Sciences, ICM 2011, September 24, 2011 - September 25, 2011, Nanjing, Jiangsu, China
作者:
Li M.
收藏
  |  
浏览/下载:44/0
  |  
提交时间:2013/03/25
In order to accurately analyze the performance and influence of landing gear system
this paper presents a high fidelity plant model of an aircraft landing gear to inclusion into a full aircraft flight simulation. The use of domain specific modeling software enables detailed modeling of the physics and facilitates accurate computational simulation of the flight dynamic
aerodynamic
landing gear dynamic and mechanical loads that occur when the landing gear are deployed and retracted during landing and take-off operations. The parameter design space is easily searched by considering a number of different landing scenarios including touching down on one wheel first
to optimize the design. The simulation results show that the aircraft landing gear system mathematical model established appropriately reflects the change of force and moment in the process of taking off and landing
and it is improve the precision of flight simulation. 2011 IEEE.
Application of Moldflow in gas-assisted injection molding (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Mechatronics and Materials Processing, ICMMP 2011, November 18, 2011 - November 20, 2011, Guangzhou, China
Zi K. M.
;
Chen L. H.
收藏
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浏览/下载:30/0
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提交时间:2013/03/25
Gas-assisted injection molding(GAIM)is a new kind of plastic processing technique. It is one of the most important developments in the injection molding industry. GAIM has many advantages such as lower injection pressure
lower warpage
better surface quality
lower material consumption
and shorten molding cycle time
etc. MPI/Gas module of Moldflow software can be used to simulate the GAIM process to optimize the whole molding process. In this study
the FM new truck interior ceiling handle was analyzed in GAIM process based on the MPI/Gas module. The simulation results showed the gas penetrating time
the contours of plastic layers thickness fraction of the parts and the gas volume fraction changing with time. The results can help technicians to determine the optimum process of the melt injection and the gas injection to ensure the final quality of the parts. 2011 Trans Tech Publications.
rvsim: a simulation approach to predict the impact of requirements volatility on software project plans
会议论文
OAI收割
International Conference on Software Process, Leipzig, GERMANY, MAY 10-11,
Liu Dapeng
;
Wang Qing
;
Xiao Junchao
;
Li Juan
;
Li Huaizhang
  |  
收藏
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浏览/下载:19/0
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提交时间:2011/06/13
requirements volatility
requirements traceability
requirements dependency
software process simulation
risk management