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- Keyword
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- Simulation (131)
- Virtual reality (41)
- Genetic algorithm (40)
- Numerical simulation (40)
- Path planning (39)
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- Modeling and simulation (35)
- Particle swarm optimization (34)
- Deep learning (33)
- Modeling (33)
- Multi-objective optimization (29)
- Digital twin (27)
- Fault diagnosis (27)
- Simulation model (23)
- Reinforcement learning (22)
- System simulation (22)
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- Visualization (21)
- Optimization (19)
- System dynamics (19)
- Virtual simulation (19)
- Complex network (17)
- Traffic simulation (17)
- UAV (17)
- Permanent magnet synchronous motor (16)
- Unity3D (16)
- Energy consumption (15)
- Support vector machine (15)
- Collision detection (14)
- Deep reinforcement learning (14)
- Parameter identification (14)
- Publication Year
Articles 2281 - 2310 of 3382
Full-Text Articles in Physical Sciences and Mathematics
Variation Bat Algorithm With Self-Learning Capability And Its Property Analysis, Junna Shang, Chunju Liu, Keqiang Yue, Li Lin
Variation Bat Algorithm With Self-Learning Capability And Its Property Analysis, Junna Shang, Chunju Liu, Keqiang Yue, Li Lin
Journal of System Simulation
Abstract: Regarding to the evolution characteristics of standard bat algorithm, a bat algorithm with the capability of self-learning and individual variation was proposed. In this proposed algorithm, the best global individual with the self-learning capability could self-optimize within a small range of solutions and lead to other individuals develop deep searching. In addition, the each individual generated a dynamic number variation cluster in proportion its fitness value. According to the rule of greedy selection, the best individual in the variation cluster was selected which protected the excellent individual and avoided the individual degradation. The proposed algorithm made use of …
Memory Principles-Based Interpersonal Relationship Optimization, Su Jia, Guangqiu Huang
Memory Principles-Based Interpersonal Relationship Optimization, Su Jia, Guangqiu Huang
Journal of System Simulation
Abstract: In order to solve the complicated function optimization problems, a new optimization algorithm was constructed based on the memory principles (MP) and interpersonal relationship (IR), namely memory principles-based interpersonal relationship optimization (MP-IRO). There are five object types in interpersonal relationship system, including lovers, friends, enemies, villains and strangers which successively correspond to loving, gathering, attacking, rejecting, defending instincts and five operators; the loving operator gives preference to individuals which memory type is long memory(LM) and shares CP with other individuals; the gathering operator could make individuals avert local optima; the attacking operator enables an individual's vitality to increase; …
Simulation Of Cooperative Evolution Of Growing Network Based On Dynamic Payoff Matrices, Xin Qi, Zhou Xiao
Simulation Of Cooperative Evolution Of Growing Network Based On Dynamic Payoff Matrices, Xin Qi, Zhou Xiao
Journal of System Simulation
Abstract: A cooperative evolution model of growing network based on dynamic payoff matrices was built. The model involved network structure evolution caused by the increasing number of individuals and the links between them, and individual strategy evolution according to the changing payoff matrices. In this model, feedback mechanism was used to make payoff matrices vary with the network environment. And considering some parameters such as feedback intensity, the initial value of the temptation for defecting, average node degree, the effect of feedback mechanism on cooperative evolution of growing network was analyzed. Numerical simulation results show that the network grown up …
Multi-Pose Pedestrian Detection Based On Posterior Multiple Sparse Dictionaries, Lingkang Gu, Mingzheng Zhou, Wang Jun, Xiu Yu
Multi-Pose Pedestrian Detection Based On Posterior Multiple Sparse Dictionaries, Lingkang Gu, Mingzheng Zhou, Wang Jun, Xiu Yu
Journal of System Simulation
Abstract: In order to detect pedestrians effectively, a multi-pose pedestrian detection method based on posterior multiple sparse dictionaries was proposed. Through pre-learning multiple different sparse dictionaries, and sparse coding the image, statistics for each dictionary corresponds to sparse coding histogram as the pedestrian image feature descriptor. The common information of multiple sparse dictionary features of all positive samples was obtained, and the feature of a single pedestrian sample was weighted, and the features of a posteriori multiple sparse dictionary could be obtained. Then pedestrians of different poses and views were divided into subclasses with clustering algorithm. A classifier was trained …
Search Algorithm Of Multi-Level Simulation System Based On Improved B-Tree, Honghong Li, Fengju Kang
Search Algorithm Of Multi-Level Simulation System Based On Improved B-Tree, Honghong Li, Fengju Kang
Journal of System Simulation
Abstract: As the problem of low efficiency search in many members of multi-level distributed simulation system, research and analysis simulation member of multi-level tree structure, the inferiority of commonly used search methods on multi-level simulation system was given. The separation strategy to improve B-tree search algorithm and B-tree network with low communication and color in search of high efficiency was achieved by combining a low consumption of multiple simulation members fast search and network resources. The results show that this method can achieve quickly search on the multi-level simulation system simulation members and little communication network resources, and ensure the …
Online Scheduling Method Of Cluster Tools With Residency Time Constraint, Linying Li, Lu Rui, Shaohua Li, Jing Yu, Jianhua Diao
Online Scheduling Method Of Cluster Tools With Residency Time Constraint, Linying Li, Lu Rui, Shaohua Li, Jing Yu, Jianhua Diao
Journal of System Simulation
Abstract: For cluster tools with residency time constraints in semiconductor manufactory, online scheduling problem was studied when temporary wafers arrived with emergency order, rework and new product development, et al. Utilizing available resource interval, the two-layer online scheduling method was proposed without changing existing schedule. The outer layer algorithm used an improved quantum evolutionary algorithm to optimize processing order of temporary wafers. Based on the results, the inner layer algorithm gained feasible solutions from available space by backward stepwise recursive strategy, and determined start time of wafer in feasible solution space by means of reverted sequence maximum backtrack strategy. Simulation …
Research On Robot Processing Path Optimization For Multi-Contour, Xianlun Wang, Yu Yang, Yuxia Cui
Research On Robot Processing Path Optimization For Multi-Contour, Xianlun Wang, Yu Yang, Yuxia Cui
Journal of System Simulation
Abstract: The problem of robot processing path optimization for multi-contour parts was studied, and a new path planning algorithm based on the improved genetic algorithm and the minimum external triangle method was proposed. The genetic algorithm based on modified circle was applied to optimize the cutting path which selected arbitrarily, and an optimal contour sequence was found. The minimum external triangle method was used to seek the node as the tool entrance on each adjacent contour dynamically, and an optimal cutting path was constructed through several iterations in this way. Simulation results show that the cutting path for robot can …
Cascade Pid Parameter Optimization Of Main Steam Temperature Control System Based On Imperialist Competitive Algorithm, Liu Shuai, Changliang Liu
Cascade Pid Parameter Optimization Of Main Steam Temperature Control System Based On Imperialist Competitive Algorithm, Liu Shuai, Changliang Liu
Journal of System Simulation
Abstract: Thermal power plants for the main steam temperature are difficult to control, using Imperialist Competitive Algorithm to accomplish main steam temperature cascade control strategy simulation optimization. The main steam cascade PID control system with limiting and speed actuator as simulation object determined the appropriate error indicator function ITAE criterion. Several types of Cascade PID control scheme were compared. Simulation results show that Imperialist Competitive Algorithm is convenient and effective method of parameter optimization, and PID-PI cascade type system has better balanced dynamic performance, anti-interference ability.
Wind Turbine Gearing Temperature Prediction Based On Sample Optimization, Dazhong Li, Chang Cheng, Bingkun Xu
Wind Turbine Gearing Temperature Prediction Based On Sample Optimization, Dazhong Li, Chang Cheng, Bingkun Xu
Journal of System Simulation
Abstract: Condition monitoring of wind turbine can greatly raise the operation of unit and reduce the maintenance cost. Nonlinear state estimation technique (NSET) was used to construct the behavior model of gearbox bearing temperature to complete bearing temperature prediction; grey correlation analysis method was used to verify the rationality of variable selection aiming at the lack of theoretical basis for observation vector choose; similarity analysis method was used to structure simple process memory matrix to shorten the modeling time for the data redundancy of process memory matrix. Prediction residual distribution of model will change when gear box works abnormally and …
Research On General Ocean Simulation Technology, Shunli Wang, Fengju Kang, Jianhua Xu
Research On General Ocean Simulation Technology, Shunli Wang, Fengju Kang, Jianhua Xu
Journal of System Simulation
Abstract: In order to make the ocean wave simulation generalization, a generalization of the wave simulation method was put forward. In order to adapt to the deep and shallow wave simulation, the improvement based on the viewpoint of multi-resolution grid, adaptive depth wave grid model was given. In view of the diversity of wave model, the height map of a replaceable and combined of multiple wave model was generated. To speed up the simulation of the computing, the CUDA (Compute Unified Device Architecture) accelerated program was embedded in the simulation program, in the case of ocean model based on FFT, …
Adaptive Steady State Feedback Control Method Of Remote Control Console Of Well Control Simulation System, Ruimin Ma, Wenjing Zhang, Fangzhou Zhang, Ruixue Sun, Li Qiang
Adaptive Steady State Feedback Control Method Of Remote Control Console Of Well Control Simulation System, Ruimin Ma, Wenjing Zhang, Fangzhou Zhang, Ruixue Sun, Li Qiang
Journal of System Simulation
Abstract: In order to effectively protect and control right the process of drilling well control equipment and ensure the safety of the well control, it is necessary to do the drilling well control simulation training for employees. The well control remote physical simulation was designed, which created the real drilling environment for training personnel and objectively reflected the skill levels of training personnel. In order to the simulate operating close to the real environment of well control equipment, the adaptive state feedback control was applied to the remote computer simulation system of well control. According to the system characteristics, combined …
Permanent Magnet Synchronous Motor Parameter Identification Based On Improved Teaching-Learning-Based Optimization, Li Jie, Wang Yan, Zhicheng Ji
Permanent Magnet Synchronous Motor Parameter Identification Based On Improved Teaching-Learning-Based Optimization, Li Jie, Wang Yan, Zhicheng Ji
Journal of System Simulation
Abstract: High accuracy identification of parameters in permanent magnet synchronous motor (PMSM) is the basis of controller design. In order to overcome the shortages of traditional identification methods such as slow speed and low identification accuracy, an improved teaching-learning-based optimization algorithm (ITLBO) was proposed to identify the permanent magnet synchronous motor parameters. In the teaching phrase, tutorial teaching mechanism was introduced to strengthen teacher's capacity and improved the convergence rate of algorithm, in the learning phrase, the course stepwise learning was used to improve learners' learning efficiency. Besides, opposition-based-learning was introduced for small probability mutation, which enhanced the possibility out …
Ship Maneuverability Index Identification Based Ais Data, Fangxin Ning, Xiong Yong, Junmin Mou, Xingdong Huang
Ship Maneuverability Index Identification Based Ais Data, Fangxin Ning, Xiong Yong, Junmin Mou, Xingdong Huang
Journal of System Simulation
Abstract: A novel method of ship maneuverability index identification on the basis of Automatic Identification System (AIS) data was proposed. By decoding and processing the raw data of AIS, data of rate of turning (ROT) are re-constructed with application of cubic spline interpolation method. Time series spectrum analysis was introduced to select appropriate ROT data segment. Based on the ROT data segment, rudder angle information was obtained by using ship Voyage Data Recorder (VDR). To identify ship's maneuverability index, particle swarm optimization algorithm (PSO) was applied to obtain ship maneuvering parameters under the current speed. The result was compared …
Research Of Strategy To Restrain Surplus Force Of Aircraft Rudder Electro-Hydraulic Loading System, Xiaolin Liu, Chunting Wang
Research Of Strategy To Restrain Surplus Force Of Aircraft Rudder Electro-Hydraulic Loading System, Xiaolin Liu, Chunting Wang
Journal of System Simulation
Abstract: For the problem that is caused by surplus torque of aircraft rudder electro-hydraulic loading system is not easy to inhibit, compound controller structure function and control strategy were proposed that combined rubber-metal buffer spring, the displacement of steering gear and speed feed forward of aircraft rudder and the output force feedback use single neuron PID based on dynamic RBF neural network on-line identification. Ant clustering algorithm was used to optimize the dynamic RBF neural network to identify the object online to obtain Jacobian information, then use the single neuron PID controller complete control parameters online self-tuning control. The …
Optimization Design And Simulation Of Washout Algorithm For Flight Simulator, Wang Hui, Daoyang Zhu, Xiaojing Fu
Optimization Design And Simulation Of Washout Algorithm For Flight Simulator, Wang Hui, Daoyang Zhu, Xiaojing Fu
Journal of System Simulation
Abstract: The key of the fidelity of flight simulators lies in the merits of the washout algorithm; the classical washout algorithm has been widely applied owing to its convenient parameter adjustment as well as rapid feedback and execution speed. However, the classical washout algorithm still exists some certain defects in its structure design, which will cause exaggerated phase retardation error and false cues thus resulting in the deterioration in dynamic fidelity of flight simulators. According to vestibular perception system, the structure redesign of the classical washout algorithm was carried out, using the compensation theory to reduce its phase retardation and …
Force/Position Control For Dual-Arm Space Robot Capturing Object, Qiuhuang Dong, Chen Li, Haiyun Li, Zhiyong Chen
Force/Position Control For Dual-Arm Space Robot Capturing Object, Qiuhuang Dong, Chen Li, Haiyun Li, Zhiyong Chen
Journal of System Simulation
Abstract: The dynamics control and simulation of dual-arm space robot capture object was studied. The dynamics model of space robot was derived by the second Lagrange equation, for the object capture process, the impact influence on space robot base and arm was calculated by momentum theory. For the space robot and object close-chain system after capturing, a force/position coordinate control algorithm was designed to control the system motion and object clamp force; the stability, reliability and safety of capture process would be ensured by the control algorithm. The simulation result based on the dynamics model and control algorithm was carried …
Research On Modeling And Control For Fuel-Steam Pressure Of Super Critical Power Unit, Junjie Gu, Zhang Yan, Jianyong Chen, Wang Peng, Wensheng Yu
Research On Modeling And Control For Fuel-Steam Pressure Of Super Critical Power Unit, Junjie Gu, Zhang Yan, Jianyong Chen, Wang Peng, Wensheng Yu
Journal of System Simulation
Abstract: The main steam pressure is an important parameter which characterizes the energy supply and demand of supercritical boiler and steam turbine, which is affected largely by the mount of fuel. At present, most fuel coal of thermal power plant is complex, calorific value fluctuates, resulting in the frequent fluctuation of the main steam pressure, seriously affecting the safe operation of the unit. A fuel main steam pressure ADRC closed loop feedback control loop was designed in the fuel control system, the spontaneous disturbance of coal-fired thermal value was estimated by ESO, which was then real time compensated in …
Study On Pulverizing System Simulation Model Of 300mw Lignite Oxygen-Enriched Combustion Boiler, Jianqiang Gao, Shaodong Sun
Study On Pulverizing System Simulation Model Of 300mw Lignite Oxygen-Enriched Combustion Boiler, Jianqiang Gao, Shaodong Sun
Journal of System Simulation
Abstract: The simulation model of the pulverizing system of a 300 MW lignite oxygen-enriched combustion boiler was developed. And the dynamic and static simulation experiments were completed, the experiments included lignite surface moisture content variation, disturbance of feeder norm speed, flue gas inlet temperature and flow rate etc. The results show that, the model is able to correctly simulate the dynamic process of the system. Moisture reduction has a larger impact on the pulverizing system operating parameters. The mill outlet temperature gets a significant rise, especially when it is less than 30%. When the feeder norm speed or flow rate …
Thermal Power Plants Main Steam Temperature System Control Based On Implicit Pigpc, Zhongda Tian, Shujiang Li, Yanhong Wang
Thermal Power Plants Main Steam Temperature System Control Based On Implicit Pigpc, Zhongda Tian, Shujiang Li, Yanhong Wang
Journal of System Simulation
Abstract: Aiming at the large inertial time-delay characteristic of main steam temperature control system on the thermal power plants, a control method based on Implicit PI-based generalized predictive controller (GPC) was proposed. The implicit PIGPC algorithm with PI structure was proposed based on implicit GPC, implicit PI-based GPC combined the advantages of PI control and implicit GPC, the feedback structure of PI and prediction function of GPC was combined. The predictive control algorithm with PI structure was obtained through a new objective function, the performance of controller was improved. At the same time, the stability of the compensation algorithm was …
Key Technology Of Fully Immersive Virtual Experience Cabin, Baojiang Du, Zha Liang, Lin Ling
Key Technology Of Fully Immersive Virtual Experience Cabin, Baojiang Du, Zha Liang, Lin Ling
Journal of System Simulation
Abstract: The structure of simulated experience cabin for fire safety education was introduced and the design and implementation methods of a virtual fire escape system for fire safety education were proposed, and specifically the specific implementation and optimization of virtual fire scenario, the conjunction method of double virtual interactive platforms and the simplification of model and the method of communication between the virtual scenes and the PLC control hardware devices were discusses. Fire safety education oriented virtual fire escape skills training system was achieved, which was applied in the teaching and experience room for fire safety training. Application results show …
Inertia Effect In Dynamic Tensile Tests Of Concrete-Like Materials, Zhang Shu, Yubin Lu, Dongmei Zhao, Chen Xing
Inertia Effect In Dynamic Tensile Tests Of Concrete-Like Materials, Zhang Shu, Yubin Lu, Dongmei Zhao, Chen Xing
Journal of System Simulation
Abstract: The different understanding on the influential degree of the inertial effect does exist among researchers, and it has not been uniformly defined in dynamic tensile tests. The finite element numerical simulation method was employed to analyze the three typical dynamic tensile tests, without considering the real strain-rate effect in these models, where a constitutive model only considered the influence of hydrostatic pressure was used for modeling the specimen in these models. It is found that the dynamic tensile strength of concrete specimens in the three models mentioned is strengthened with the increase of loading strain-rate, owing to the …
Research On Feedback Compensation Control For Aircraft Electric Antiskid Brake System Based On Il, Gao Jie, Gao Bing, Jianying Liu
Research On Feedback Compensation Control For Aircraft Electric Antiskid Brake System Based On Il, Gao Jie, Gao Bing, Jianying Liu
Journal of System Simulation
Abstract: Safety, efficiency and comfort of aircraft are all determined by antiskid braking system. Because of the problem of inadequate control in the anti-skid braking system, the nonlinear model of the aircraft electric braking system was built by the analysis of aircraft landing process, and the iterative learning algorithm was introduced for reciprocating characteristics of anti-skid control. The groups in different speeds and road conditions were trained using the PD type learning rate. The knowledge base on the relationship among the optimal slip ratio and velocity and road conditions was built. The feed-forward control knowledge system for identifying the different …
Interaction Of Particle-Particle And Particle-Bubble In Water:Molecular Dynamics Simulation, Qingqun Luo, Jieming Yang
Interaction Of Particle-Particle And Particle-Bubble In Water:Molecular Dynamics Simulation, Qingqun Luo, Jieming Yang
Journal of System Simulation
Abstract: Graphene and a bulk of gas were used to represent a part of particle and a part of bubble, respectively, and their interactions in liquid water with dissolved gas were simulated. Changes of the structural phase diagram, the gas density, and the potential of mean force were analyzed. The results show that the interactions of particle-particle and particle-bubble are both related to the nanobubble bridges therein. The forming processes of nanobubble bridges were shown in details. The range of nanobubble bridges and the energy change of the system were quantitatively calculated.
Research On Natural Gas Explosion Rules For Cuboid Obstacles In Offshore Oil Platform, Pengcheng Wang, Yuqing Sun
Research On Natural Gas Explosion Rules For Cuboid Obstacles In Offshore Oil Platform, Pengcheng Wang, Yuqing Sun
Journal of System Simulation
Abstract: Quantities and blockage ratios of equipment on the platform has a great effect on the peak overpressure and temperature. The loss caused by explosion can be reduced to the minimum through the reasonable distribution of equipment, and the finite element method has been widely used in the simulation of gas cloud explosion. Offshore oil platform models with different cuboid obstacles were established by the finite element method and cuboid obstacles were distributed in 15 different situations. Mathematical relationships between overpressure and cuboid obstacles' quantities and blockage ratios were obtained. The results show that with the increase of quantities and …
Robotic Manipulator's Visual Servo Control Based On Echo State Networks, Guoyou Li, Xiafei Su, Xiaolei Qin, Xiangxue Shi
Robotic Manipulator's Visual Servo Control Based On Echo State Networks, Guoyou Li, Xiafei Su, Xiaolei Qin, Xiangxue Shi
Journal of System Simulation
Abstract: The inaccuracy in robotic manipulator modeling, which due to the nonlinear and strong coupling of robotic manipulator itself, cannot be ignored on the study of the robotic manipulator control problem. Aiming at the inaccuracy in robotic manipulator modeling, this study led echo state network in the visual servo control system of robotic manipulator. In order to achieve the robotic manipulator positioning control, this study used the echo state network to identify inaccurate item and compensates the uncertainties of the model in the control law. The simulation model of the simulated system was built with MATLAB simulation software. The …
Optimal Design Of High Power Medium Frequency Transformer Based On Channel Lightweight Requirement, Fangcheng Lü, Yunxiang Guo, Li Peng
Optimal Design Of High Power Medium Frequency Transformer Based On Channel Lightweight Requirement, Fangcheng Lü, Yunxiang Guo, Li Peng
Journal of System Simulation
Abstract: The analytical calculation method for winding loss and core loss of high power medium frequency transformer was analyzed, and the optimal design process was established. A 300 kW medium frequency transformer for lightweight application of electric locomotive was designed optimally by the method of free parameters scanning. Through the establishment of evaluation parameters equation, the best scheme considered both the total loss and transformer weight. On this basis, the winding loss and core loss for six groups of design scheme were verified by finite element simulation in 2D eddy current field and transient field of Ansoft Maxwell respectively. Through …
Steering Dynamics Simulation Analysis Of Replaceable Triangular Track Of Skidder, Xiaowen Ge, Jiejian Hou, Lihai Wang
Steering Dynamics Simulation Analysis Of Replaceable Triangular Track Of Skidder, Xiaowen Ge, Jiejian Hou, Lihai Wang
Journal of System Simulation
Abstract: In order to design a kind of high efficiency and low cost multifunctional skidder suitable for forest conditions of China, the replaceable triangular track was applied to skidder and the virtual prototype of triangular track skidder and road models were built based on the theoretical analysis by Solidworks and RecurDyn Software. Simulation analysis regarding the effects of pre-tension, turning angle, road conditions, loading and skidding on skidder's turning performance was made. Research results show that the pre-tension of 19.2 kN (40% of the vehicle weight) is much proper for turning. The larger turning angle is, the easier skidder turned, …
Research On One-Cycle Controlled Bi-Directional Dc-Dc Converter Based On Switch Capacitor Network, Chen Lei, Tinglong Pan, Yanxia Shen, Dinghui Wu, Zhicheng Ji
Research On One-Cycle Controlled Bi-Directional Dc-Dc Converter Based On Switch Capacitor Network, Chen Lei, Tinglong Pan, Yanxia Shen, Dinghui Wu, Zhicheng Ji
Journal of System Simulation
Abstract: According to the switch capacitor network working characteristics of discharging in series, charging in parallel, a high ratio bidirectional DC-DC converter based on switch capacitor network was proposed. In order to improve the converter's ability of resist input voltage disturbance and dynamic response speed, an improved method was focused on which combined the advantage of one-cycle control and the output voltage feedback compensation control, which could realize inhibition the input voltage perturbation in one cycle and improve the converter's resistance ability of load disturbance. The operating principle and control characteristics of the new converter were analyzed. The improved one-cycle …
Simulation Modeling Method Of Distributed Supply Chain Based On Has, Wang Jian, Huang Yang
Simulation Modeling Method Of Distributed Supply Chain Based On Has, Wang Jian, Huang Yang
Journal of System Simulation
Abstract: There are some shortcomings in simulation modeling method of distributed supply chain based on High Level Architecture (HLA) and Supply Chain Operation Reference (SCOR), which result in low development efficiency of system simulation modeling and low reusability of simulation objects inside the federates. To solve the problems, a simulation modeling method of distributed supply chain based on HAS(HLA-Agent-SCOR) was put forward. The supply chain structure modeling based on HLA for building structure model of supply chain was discussed. Modeling of Agent blocks integrating processes from SCOR and modeling of federates based on Agent were illustrated to create model of …
Trajectory Capture And Sway Frequency Analysis Of Trees Based On Kinect, He Peng, Shaojun Hu, Dongjian He
Trajectory Capture And Sway Frequency Analysis Of Trees Based On Kinect, He Peng, Shaojun Hu, Dongjian He
Journal of System Simulation
Abstract: The morphology and structure of plants were complex. It is of great significance to investigate the inherent motion law of plants under the action of external force, such as realistic animation formation, plant pruning, vibration picking and forest protection. A low cost outdoor tree complex motion capture method was explored, and the relationship between the stem motion and the external force was analyzed. The Kinect was used to capture the branches motion; MeanShift algorithm was used for tracking branches markers and the three-dimensional trajectory of the trunk was extracted according to the principle of Kinect coordinate transformation. A method …