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Articles 9541 - 9570 of 11601

Full-Text Articles in Artificial Intelligence and Robotics

3d Wireframe Model Encryption Based On Chaos, Zhao Geng, Shuyun Zhu, Jin Xin, Xiaodong Li, Hongbo Sun, Zhili Xu, Yin Sui, Zhaohui Tian, Sun Nan Jan 2019

3d Wireframe Model Encryption Based On Chaos, Zhao Geng, Shuyun Zhu, Jin Xin, Xiaodong Li, Hongbo Sun, Zhili Xu, Yin Sui, Zhaohui Tian, Sun Nan

Journal of System Simulation

Abstract: With the rapid growth of graphics data in the network environment, the security of graphics data has become a new challenge of network security that needs to be solved urgently. Encryption of 3D models is also urgent. In this paper, an encryption scheme for 3D wireframe model is proposed by using chaos mapping. The method is divided into two parts: confusion and diffuse. A random invertible matrix is generated by using logical mapping to spread the points. The side is scrambled by Arnold's cat map, then the encrypted vertices and polygons are combined to form the final encrypted 3D …

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Design Of Aircraft Engine Adaptive Model Based On Improved Strong Tracking Filter, Xizhong Yang, Jianliang Ai Jan 2019

Design Of Aircraft Engine Adaptive Model Based On Improved Strong Tracking Filter, Xizhong Yang, Jianliang Ai

Journal of System Simulation

Abstract: Due to deterioration under real working condition, the aircraft engine performance parameters of benchmark model don’t match the real engine. This problem was studied based on in-flight engine nonlinear real-time performance model considering the practical engineering application. Immeasurable health parameters were estimated from measurable sensor parameters by UKF (Unscented Kalman Filter) and STUKF (Strong Tracking UKF). The engine adaptive model was established through modifying the benchmark model’s performance parameters in Simulink. A method of improved STUKF was proposed. Simulation results showed that the precision of engine adaptive model was greatly increased which satisfied real-time and robustness requirements in dynamic …

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Area And Centerline Distribution On Stealth Design Of S-Shaped Inlet, Le Zhang, Zhou Zhou, Xiaoping Xu Jan 2019

Area And Centerline Distribution On Stealth Design Of S-Shaped Inlet, Le Zhang, Zhou Zhou, Xiaoping Xu

Journal of System Simulation

Abstract: Based on the conformal inlet’s size requirement of flying wing unmanned aerial vehicle (UAV), s-shaped inlets are designed with super-ellipse equation, and they are also designed in three typical centerline and area distributions of “beginning fast and end slow”, “beginning and end the same”, and “beginning slow and end fast”. The numerical simulation is verified on electromagnetic scattering characteristics of the inlet with straight cavity based on multilevel fast multipole method (MLFMM), and the stealth analysis is also carried out. And then the mechanism is analyzed combining with electric current distribution. Results indicate that with the inlet terminator open, …

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Real-Time Collision Detection Of Coastline In Navigation Simulator, Qianfeng Jing, Helong Shen, Yin Yong, Xiuwen Liu Jan 2019

Real-Time Collision Detection Of Coastline In Navigation Simulator, Qianfeng Jing, Helong Shen, Yin Yong, Xiuwen Liu

Journal of System Simulation

Abstract: In order to develop real-time collision detection module of coastline in navigation simulator, a mesh preprocessing method for coastline data is applied. The principle of meshing is established and the coastline data is meshed based on the clipping algorithm. The mesh data is stored into an appropriate data structure. The collision detection algorithm and test program are developed based on Microsoft Foundation Classes (MFC). The ship contour points and the mesh expansion method are applied to avoid error in special cases which could also improve the accuracy of collision detection. The results show that the method reduces much time …

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Mesh Morphing Process For Facial Plastic Surgery Simulation, Jinfang Li, Rifu Li, Hanwu He, Junlong Xu, Jiayuan Liu, Li Hang Jan 2019

Mesh Morphing Process For Facial Plastic Surgery Simulation, Jinfang Li, Rifu Li, Hanwu He, Junlong Xu, Jiayuan Liu, Li Hang

Journal of System Simulation

Abstract: In order to present the result of facial plastic surgery accurately, we propose a mesh morphing process method based on the grayscale texture in this paper. A grayscale texture is created by selecting the region of interest (ROI), and a set of texture coordinate is computed for the vertices in real time to establish the mapping relationship between the vertices and the grayscale texture. In order to make the morphing smooth, we blur the grayscale texture with the mean blurred processing algorithm and control the blur effect by the number of iterations. The advantages of this algorithm are as …

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A Method Of Key Frame Extraction For Music And Dance Video, Ma Nan, Xiangbin Shi, Dai Qin, Cuiwei Liu, Liu Fang Jan 2019

A Method Of Key Frame Extraction For Music And Dance Video, Ma Nan, Xiangbin Shi, Dai Qin, Cuiwei Liu, Liu Fang

Journal of System Simulation

Abstract: Aiming at the complicated and redundant action of music and dance video, a method of extracting dance video key frame is proposed. The optical flow of two adjacent image frames in the dance video is calculated. The entropy of each optical flow graph is calculated and the characteristics of the music in the dance video are extracted. The music characteristics are merged with the entropy sequence of the optical flow graph and a sequence of entropy matching with music is obtained. The key frame of dance video is achieved by threshold comparison. The experimental results show that the algorithm …

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Progress And Challenge On Military System Analysis And Modeling, Mingzhi Zhang, Peng Jun Jan 2019

Progress And Challenge On Military System Analysis And Modeling, Mingzhi Zhang, Peng Jun

Journal of System Simulation

Abstract: Based on the data of openly published related research papers from 2001 to September 2016, the research progresses on military system analysis and modeling were summarized. The concerning theory and method, research contents, annual developing stage, researchers and institutes, and related journals were analyzed, which contributed to making a knowledge map of the area. A series of challenging issues in the research area was discussed to prompt further research on military system analysis and modeling.

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Fractional-Order Memristor Model With Nonlinear Drift Function, Zhaohui Gan, Shiying Zhang, Yuxin Wu Jan 2019

Fractional-Order Memristor Model With Nonlinear Drift Function, Zhaohui Gan, Shiying Zhang, Yuxin Wu

Journal of System Simulation

Abstract: A memristor is a nonlinear resistor with memory. It is regarded as the fourth basic circuit elements. The fractional order model of memristor is an extension of integer order model for memristor. Some researchers have confirmed the existence of fractional order model for memristor, and the response characteristic of the fractional order model excited by different types of signals is analyzed. Based on the analysis of some existing integer order and fractional order models for memristor, a novel fractional order memristor model with nonlinear drift function is proposed, and the response characteristics of fractional order model for memristor with …

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Parameter Identification Of Permanent Magnet Synchronous Motor Based On Mutation Coral Reef Algorithm, Dinghui Wu, Huang Xu, Yawei Quan, Zhicheng Ji Jan 2019

Parameter Identification Of Permanent Magnet Synchronous Motor Based On Mutation Coral Reef Algorithm, Dinghui Wu, Huang Xu, Yawei Quan, Zhicheng Ji

Journal of System Simulation

Abstract: High accuracy identification of parameters in Permanent magnet synchronous motor (PMSM) is the basis of controller design. According to the drawbacks of slow speed, big error, and small number of parameters in particle swarm optimization (PSO), least square method, and classical coral reefs optimization (CRO), an improved CRO with Cauchy and Gaussian mutation is proposed to solve the parameter identification problem in PMSM. The mathematical model of PMSM in dq coordinate system is established. The Cauchy and Gaussian mutation operator is introduced to CRO. Both of the two versions are applied for identifying parameters in PMSM, and are …

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Dynamic Wear Monitoring Based On Stiffness Simulation Of Aircraft Radial Tire, Wang Hui, Kun Xu Jan 2019

Dynamic Wear Monitoring Based On Stiffness Simulation Of Aircraft Radial Tire, Wang Hui, Kun Xu

Journal of System Simulation

Abstract: During the wear monitoring for the aircraft tire, the expansion change on the top of tire crown caused inaccuracy for the monitoring results. Considering the aircraft tire cord with high strength, orthogonal anisotropy and tensile deformation, the main three dimensional nonlinear finite element model of B737-800 passenger aircraft radial tire was built using the Yeoh rubber constitutive model and the Rebar stiffener unit in Abaqus software. The problem of static contact between aircraft tire and road was successfully simulated using adaptive Lagrange algorithm. Radial tire stiffness, ground imprinting, main area of friction losses and sinkage were obtained by …

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Stackelberg Game Decision For Lord-Source Associated Day-Ahead Peak Load Regulation, Wenying Liu, Yalong Li, Guo Peng, Anqi Liang, Weizhou Wang Jan 2019

Stackelberg Game Decision For Lord-Source Associated Day-Ahead Peak Load Regulation, Wenying Liu, Yalong Li, Guo Peng, Anqi Liang, Weizhou Wang

Journal of System Simulation

Abstract: The probability distribution of wind power prediction error is obtained based on direct statistics, and the influence of the error on the day-ahead peak load regulation decision is analyzed. Energy-intensive load and conventional source are combined to improve the system’s dynamic peak load regulation capability. Since the power source and the energy-intensive load belong to different regulation systems and need to be regulated in a non-centralized way, the multi-objective optimization is not suitable and the game theory is adopted. The reliability goal minimizing the risk punishment and the economic goal minimizing the cost of peak load regulation are taken …

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Prediction Of Aircraft Cabin Energy Consumption Based On Pso And Cro Algorithms, Xiuyan Wang, Yanmin Liu, Gewen Zhang, Zongshuai Li, Jiaquan Lin Jan 2019

Prediction Of Aircraft Cabin Energy Consumption Based On Pso And Cro Algorithms, Xiuyan Wang, Yanmin Liu, Gewen Zhang, Zongshuai Li, Jiaquan Lin

Journal of System Simulation

Abstract: To meet the requirements of the rapidity and the accuracy of the aircraft cabin energy consumption prediction for bridge-load air conditioner when an aircraft berthing, a forecasting method based on the combination of neural network, particle swarm and coral reef is proposed. The energy consumption prediction model is established based on wavelet neural network, and the prediction model parameters are optimized using the united algorithm of coral reefs and particle swarm optimization. The united algorithm adopts a double-layer structure: the data of the first layer are grouped and optimized by the particle swarm optimization algorithm for a preliminary optimization, …

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Review Of 3d Facial Expression Acquisition And Modeling Technology, Wang Shan, Xukun Shen, Qinping Zhao Jan 2019

Review Of 3d Facial Expression Acquisition And Modeling Technology, Wang Shan, Xukun Shen, Qinping Zhao

Journal of System Simulation

Abstract: Face is an important biological feature of human. High-fidelity 3D face construction is widely applied and has attracted the attention of researchers for a long time. Now the mature 3D model acquisition still depends on the expensive hardware and controlled lighting environment in the lab. However, academic focus has gradually transformed to researches based on daily living environment and low cost equipment. According to the source of input data, the existing works are divided into two categories: works under controlled environment and uncontrolled environment. Methods are summarized and classified based on the categories. Existing problems and future research directions …

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Variable Scale Point Cloud Registration Algorithm, Shuifa Sun, Zhun Li, Kun Xia, Yunfei Shi, Jiquan Yang, Fangmin Dong Jan 2019

Variable Scale Point Cloud Registration Algorithm, Shuifa Sun, Zhun Li, Kun Xia, Yunfei Shi, Jiquan Yang, Fangmin Dong

Journal of System Simulation

Abstract: To address the low registration accuracy issue caused by scale mismatch of two point clouds, a multi-scale point cloud registration algorithm is proposed based on the distance ratio invariance of the geometric center of gravity and centroid. The point cloud is firstly filtered. Then, the scale ratio calculation model of the point cloud data is established by computing the point cloud’s gravity center and centroid. Finally, according to the relationship between the registration error and the scale true value, the scale factor is refined step by step with ICP algorithm. For the noise and the inconsistent point in the …

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Modeling Of Wheat Ears Growth Based On Bezier Surface, Junxiao Xue, Chenyang Sun, Mingliang Xu, Yin Hui, Haiyu Yu Jan 2019

Modeling Of Wheat Ears Growth Based On Bezier Surface, Junxiao Xue, Chenyang Sun, Mingliang Xu, Yin Hui, Haiyu Yu

Journal of System Simulation

Abstract: Simulation model of wheat growth has important theoretical significance and application value for wheat growth regulation and management. Study the growth of wheat ears from heading to maturity. We propose an unified modeling method for the grain, lemma and palea of wheat ears based on Bezier surface. Meanwhile, all the models are re-polygonized so that it can be easier to detect the collision. The method can simulate the growth of wheat ear with relatively high modeling efficiency. Experiment results show that the proposed method has very good modeling effect and the modeling of wheat ear at different growth stages …

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Modeling On Information Exchange Behavior In Emergency Evacuation, Tianlu Mao, Xiangjun He, Yingfan Huang, Jiang Hao Jan 2019

Modeling On Information Exchange Behavior In Emergency Evacuation, Tianlu Mao, Xiangjun He, Yingfan Huang, Jiang Hao

Journal of System Simulation

Abstract: A method for modeling the information exchange behavior in an emergent crowd evacuation is proposed in this paper. It describes several aspects of information exchange in dynamic environments, includes contents, characteristics and ways of exchange. The influence model of know information on evacuation decision is built by cost evaluation and path planning. Combined with the existing crowd locomotion model, our method could model and simulate crowd evacuation in emergent situation. Realistic results with dynamic information exchanges and dynamic behavioral decision of crowds are given. The simulation results have a high coincidence degree with the real person experiments.

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A Horizon Detection Method Based On Deep Learning And Random Forest, Jihua Ye, Shuxia Shi, Hanxi Li, Jiali Zuo, Shimin Wang Jan 2019

A Horizon Detection Method Based On Deep Learning And Random Forest, Jihua Ye, Shuxia Shi, Hanxi Li, Jiali Zuo, Shimin Wang

Journal of System Simulation

Abstract: The detection effect of existing horizon line detection methods is greatly affected by the environment, and the computational complexity is high. Aiming at the problem of horizon line detection in complex road scene in real-life, a horizon line detection method based on deep learning and random forest is proposed. The deep learning model is used to extract the depth features, then the obtained depth features are used for random forest training. The results of horizon line detection are obtained by random forest regression-voting. The simulation results show that this method has good detection effect. The detection results are not …

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Artificial Fish Swarm And Feedback Linearization Of Flue Gas Denitration Control Based On Neural Network, Yuguang Niu, Pan Yan, Wenyuan Huang Jan 2019

Artificial Fish Swarm And Feedback Linearization Of Flue Gas Denitration Control Based On Neural Network, Yuguang Niu, Pan Yan, Wenyuan Huang

Journal of System Simulation

Abstract: According to the present situation of SCR flue gas dentration control system in thermal power plant, an optimum proposal that control valve and concentration transmitter are added in the inlet of the SCR reactor is presented, and the corresponding control strategy is given. At the entrance of the SCR reactor, the receding horizon algorithm combined with the single neuron adaptive algorithm and the artificial fish swarm algorithm (RSNAAFS) is used to control branch valves to pretreat NOX in the exhaust flue gas. At the outlet of the SCR reactor, the neural network based on feedback linearization algorithm (NNFL) …

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Development Of Interactive Simulation Of Dive And Underwater Operation Process Of Jiaolong, Xiaoxi Zhang, Yin Yong, Mincang Liang Jan 2019

Development Of Interactive Simulation Of Dive And Underwater Operation Process Of Jiaolong, Xiaoxi Zhang, Yin Yong, Mincang Liang

Journal of System Simulation

Abstract: In order to solve the problems of difficult implementation and high safety risk in the practical training of deep submarine work at present, the simulation system of dive and underwater operation process of jiaolong is designed based on the virtual reality technology, which is not limited by time and place. The 3D modeling technology is used to construct the 3D model of the key structures such as the jiaolong and the mother ship. A mathematical model of A frame motion is established to simulate the motion process. Human-computer interaction and roaming are achieved by using 3D interactive technology, …

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Hawkes Based Analysis Of Social Interaction Factors In Game Immersion Experience, Xiang Nan, Lingyun Zhu, Siwei Shang Jan 2019

Hawkes Based Analysis Of Social Interaction Factors In Game Immersion Experience, Xiang Nan, Lingyun Zhu, Siwei Shang

Journal of System Simulation

Abstract: In order to improve the user's immersion experience in serious games, the influence of social factors in game process on game experience was studied. Game experience dimensions were divided and the social interactions during the game were categorized according to the dimensions. Hawkes process was adopted to simulate the game experience generation process affected by the social interactions. According to the maximum likelihood estimation and the users’ experience we captured, the weights of the social interactions were calculated. The game experience intensity was calculated by users’ facial expressions which were recognized by the trained HMM (Hidden Markov Model). Experimental …

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Dynamic Covering Algorithm Of Node Based On Virtual Force In Wireless Sensor Networks, Zhou Fei, Jianjun Gao, Xinyue Fan, Kangning An Jan 2019

Dynamic Covering Algorithm Of Node Based On Virtual Force In Wireless Sensor Networks, Zhou Fei, Jianjun Gao, Xinyue Fan, Kangning An

Journal of System Simulation

Abstract: Network coverage and node power consumption are two main performance indicators in wireless sensor networks (WSNs). Although many of the existing coverage methods have improved the two indicators, most of them have only improved for one performance, and the merits of another performance have not been discussed in detail. For this insufficient, an improved algorithm based on VFA is proposed. The WSN is divided into unit grids. The nodes select the grid forces and other forces adaptively. Under the combined forces, the nodes are re-deployed and the dynamic coverage of WSN is further optimized, so that the WSN achieves …

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Internet Public Opinion Dissemination Model With Triple Opinion Group Under Media Intervention, Di Lan, Yudi Gu Jan 2019

Internet Public Opinion Dissemination Model With Triple Opinion Group Under Media Intervention, Di Lan, Yudi Gu

Journal of System Simulation

Abstract: By constructing a dissemination model with a discussion of the Internet public opinion, the paper studies the inner rule of the public opinion evolution of the triple opinion group under the influence of the media. In reference to disease transmission model SIR(Susceptible, Infected, Recovered) and the two opinions model SIaIbR(Susceptible, Infected-a, Infected-b, Recovered), this paper presents a public opinion evolution model of the triple opinion group SI3R(Susceptible, triple Infected, Recovered). The SI3R model introduces the concept of neutral groups, and occupies a large proportion in the spread of the population. Through the influence of neutral …

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Modeling And Co-Simulation Of Novel Electric Heave Compensation System, Zhang Qing, Xia Hua, Yang Ning, Xianrong Qin, Yuantao Sun Jan 2019

Modeling And Co-Simulation Of Novel Electric Heave Compensation System, Zhang Qing, Xia Hua, Yang Ning, Xianrong Qin, Yuantao Sun

Journal of System Simulation

Abstract: This paper presents a novel large electric heave compensation system with gear and rack driving mechanism, as comparison to those traditional hydraulic heave compensation systems which have complex structure and poor compensation accuracy. The mechanical-mathematical model of this compensation system is analyzed. According to the control requirement of the heave absolute displacement compensation, the relationship between the input angle of the motor and the excitation of the vessel’s displacement is obtained through the motion equation of the system. A virtual prototype is built with ADAMS, and the dynamic behaviors are simulated in accordance with its configuration and working principle. …

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Heat Transfer Simulation Of Vehicle Heat Exchanger In Plateau Environment, Xu Xiang, Wenchao Suo, Dingfu Yang, Surong Dong Jan 2019

Heat Transfer Simulation Of Vehicle Heat Exchanger In Plateau Environment, Xu Xiang, Wenchao Suo, Dingfu Yang, Surong Dong

Journal of System Simulation

Abstract: The effect of heat transfer caused by plateau environment in vehicle heat exchanger was investigated. The heat transfer equation for heat exchanger was modified by introducing air parameters at different altitudes. A heat transfer modeling approach for vehicle heat exchanger was proposed by using the thermal network method. The heat transfer effect of the plateau and the flow state of fluid medium were analyzed in the vehicle heat exchanger by using the simulation software FlowMaster. Simulation results show that the decrease of pressure and density of air in altitude was the primary cause to heat transfer ability. …

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Interactive Modelling On Smooth Weighted Distance Surface In Hmd Vr Environment, Xiaoqiang Zhu, Hongyi Pan, Xu Hao, Song Lei, Mengyao Zhu, Xiangyang Wang Jan 2019

Interactive Modelling On Smooth Weighted Distance Surface In Hmd Vr Environment, Xiaoqiang Zhu, Hongyi Pan, Xu Hao, Song Lei, Mengyao Zhu, Xiangyang Wang

Journal of System Simulation

Abstract: An interactive modelling scheme in immersive VR environment is proposed, in which the point, line and polygon skeletons are inputted by handles of HMD (Head-Mounted Device). Weighted distance field is calculated in parallel with CUDA on GPU according to the varying radii, and then the iso-surface is extracted using paralleled marching cubes. In order to avoid the non-smoothness at interactions between different distance surface components, weighted filtering kernels are utilized to smooth the skeleton-based distance field with various radii in our modelling system, so that smooth blending model is produced from multi-component distance fields. In our system, …

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Integrated Generating Algorithm Of Centroidal Capacity Constrained Power Diagram, Liping Zheng, Lu Chang, Ruiwen Cai, Zhiqiang Gui Jan 2019

Integrated Generating Algorithm Of Centroidal Capacity Constrained Power Diagram, Liping Zheng, Lu Chang, Ruiwen Cai, Zhiqiang Gui

Journal of System Simulation

Abstract: Power diagram is the weighted Voronoi diagram. Centroidal capacity constrained power diagram (CCCPD) can be obtained by imposing capacity constraint and centroid constraint to the ordinary power diagram. To increase the convergence speed of existing CCCPD algorithms which optimize the weight and location of site interlacedly, an improved algorithm is proposed which optimizes all variables integratedly. Research results exhibit that the performance of the proposed algorithm is 40% higher than the traditional method.

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Method Research On Collaborative Simulation Of Multi-Resolution Models, Gaofeng Zhang, Yujie Ji Jan 2019

Method Research On Collaborative Simulation Of Multi-Resolution Models, Gaofeng Zhang, Yujie Ji

Journal of System Simulation

Abstract: The collaborative simulation of multi-resolution models is an effective method to meet the requirement of “wide-area confrontation and local high imitation” in combat simulation. The generalized supporting platform for multi-resolution models collaborative simulation is constructed, and the collaborative simulation mechanism with mirror entity and control right dynamic migration as core technology is proposed, which can effectively solve the problem of interconnection and homomorphic mapping between multi-resolution models, as well as collaborative operation consistency issues. Under the support of this technique, the joint operation among different resolution models in a tactical deduction simulation system is stable, efficient and consistent. This …

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Research On Software Reliability Based On Test Effort And Imperfect Debugging, Aizhen Wang, Lü Xun Jan 2019

Research On Software Reliability Based On Test Effort And Imperfect Debugging, Aizhen Wang, Lü Xun

Journal of System Simulation

Abstract: To further improve the fitting performance of the software reliability models, imperfect debugging and test effort were considered in the progress of establishing the model of software reliability. The best performance test effort function was selected from some kinds of existing S-type functions through the method of simulation. The influences of test effort were considered in the software reliability model with imperfect debugging. The new model was established. Two groups of public data were used to verify the ability of the new model. The test results showed that the software reliability growth model considering test effort under imperfect …

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Research On Augmented Reality Method Based On Unmarked Recognition, Li Qian, Shangbing Gao, Zhigeng Pan, Zhengwei Zhang, Chenghua Fang, Shengquan Wang Jan 2019

Research On Augmented Reality Method Based On Unmarked Recognition, Li Qian, Shangbing Gao, Zhigeng Pan, Zhengwei Zhang, Chenghua Fang, Shengquan Wang

Journal of System Simulation

Abstract: As a kind of technology of superposing the virtual objects upon reality scene, AR (Augment Reality) expands the information quantity of the actual scene by virtual information. Aiming at the deficiency of previous AR application methods, the AR application method of unmarked recognition based on the optimized filtering was proposed in this paper. In this algorithm, filtering was used for image preprocessing to solve the poor matching efficiency problems of the past recognition algorithms, then three-dimensional model was established in two-dimensional images and the model was rendered in the two-dimensional plane. The experimental results show that, compared with …

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Study On Multi-Objective Collaborative Optimization Of Switched Reluctance Motor Based On Chaos Fruit Fly Optimization Algorithm, Xiaoping Zhang, Shenghua Rao, Zhang Zhu, Zhao Xuan Jan 2019

Study On Multi-Objective Collaborative Optimization Of Switched Reluctance Motor Based On Chaos Fruit Fly Optimization Algorithm, Xiaoping Zhang, Shenghua Rao, Zhang Zhu, Zhao Xuan

Journal of System Simulation

Abstract: Switched reluctance motor (SRM) is difficult to get the best solution due to its complicated process and high professional requirement. Therefore, a collaborative multi-objective optimization method based on chaotic fruit fly algorithm is proposed in the paper. The initial solution is obtained by traditional design method, and the performance is verified by finite element analysis (FEA). The extreme learning machine (ELM) is applied to obtain the non-parameter model of SRM based on the sample data from FEA. The chaotic fruit fly algorithm is proposed for design optimization. Simulation results demonstrate that better coefficient of torque ripple and efficiency can …

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