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2020

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Articles 4651 - 4680 of 10642

Full-Text Articles in Engineering

Stochastic Kriging For Random Simulation Metamodeling With Known Uncertainty, Wang Bo, Gea Haechang, Junqiang Bai, Yudong Zhang, Gong Jian, Weimin Zhang Jun 2020

Stochastic Kriging For Random Simulation Metamodeling With Known Uncertainty, Wang Bo, Gea Haechang, Junqiang Bai, Yudong Zhang, Gong Jian, Weimin Zhang

Journal of System Simulation

Abstract: Uncertainty-based design has been widely carried out these years. In order to deal with the problems with large amount of calculation, a stochastic kriging for random simulation metamodeling with known uncertainty was derived, which firstly included intrinsic uncertainty in metamodel initial formulation to fully account for inputs uncertainty, and then incorporated the correlationships of intrinsic uncertainty among all observed points. Several examples with known uncertainty were also conducted, in which the proposed method shows much better variance predictions than other similar methods. Simulation results show the proposed method is a more general form of kriging, which can also …

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Improved Dv-Hop Localization Algorithm Based On Average Hopping Distance And Position Optimization, Zhipu Zhao, Wu Dong, Wang Yan, Zhicheng Ji Jun 2020

Improved Dv-Hop Localization Algorithm Based On Average Hopping Distance And Position Optimization, Zhipu Zhao, Wu Dong, Wang Yan, Zhicheng Ji

Journal of System Simulation

Abstract: To overcome the low positioning accuracy caused by the imprecise estimated distance and the accumulative location error, an improved DV-Hop localization algorithm based on Wireless Sensor Network was proposed. This method, taking the summation of the beacon node average jump distance based on the weighted error correction as its average distance, was used to reduce the average jump distance error. Besides, an improved least square method was used to process the accumulative location error. The simulation results show that the improved localization algorithm performs greatly better, both in distance estimation and positioning accuracy, than the traditional DV-Hop localization algorithm, …

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Node Selection Of Collaborative Tracking Based On Particle Filter, Chen Ying, Xuexue Cheng Jun 2020

Node Selection Of Collaborative Tracking Based On Particle Filter, Chen Ying, Xuexue Cheng

Journal of System Simulation

Abstract: Due to the problem of target tracking in video sensor networks, a new algorithm was proposed for cooperative monitoring and tracking of node selection based on particle filter. The method obtained posterior distribution through particle filtering in tracking problem and got the information entropy to evaluate the estimate uncertainty. Background modeling and the phase division were applied to extract target blob, and pixels number of the target blob was calculated to measure detection information. Confidence measure of nodes was determined based on the two factors to realize the optimization of the selected node and then track by particle filter …

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Research On Mathematical Models Of Damage Probability Approximate Computation Of Cargo Projectile, Zhaosheng Wang Jun 2020

Research On Mathematical Models Of Damage Probability Approximate Computation Of Cargo Projectile, Zhaosheng Wang

Journal of System Simulation

Abstract: The scatter size of the bomblet of cargo projectile is large by comparison with the casualty producing area of single target. In order to promote computational efficiency, and to study optimum spread area of cargo projectile and the most advantageous fire distribution conveniently, mathematical models of damage probability approximate computation of cargo projectile on small rectangular target and circular target with single-shot fire, and correlation fire that firing is on identical data were established by probability analysis. The simulation method was discussed. The optimal dispersion areas were put out according the approximate computation model of single-shot fire. …

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Method Of Hardware-In-The-Loop (Hwil) Simulation For Pose Movement Of Vertical Launching Aerocraft With Continuous Rotation In Yaw, Chengsheng Liu, Zhang Qing Jun 2020

Method Of Hardware-In-The-Loop (Hwil) Simulation For Pose Movement Of Vertical Launching Aerocraft With Continuous Rotation In Yaw, Chengsheng Liu, Zhang Qing

Journal of System Simulation

Abstract: There are defects in the pose movement simulation of vertical launching aerocraft which can circumrotate continuously in yaw with three -axis flight motion simulator. Based on analysis of these defects, a four-axis project which could be applied to the situation of the changing range of vehicle pitch pose and vehicle roll attitude more than ±180° and the changing range of vehicle course pose towards infinite greatness was proposed. The structure of the four-axis flight motion simulator was analyzed and the control model was made. Above all, a four-axis concerted control law was designed with" switching movement mechanism", and a …

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Research Of Intrusion Alert Aggregation Based On Spatial And Temporal Density, Zhang Jing, Hengjun Wang, Junquan Li, Bin Yu Jun 2020

Research Of Intrusion Alert Aggregation Based On Spatial And Temporal Density, Zhang Jing, Hengjun Wang, Junquan Li, Bin Yu

Journal of System Simulation

Abstract: Distributed Intrusion Detection System has created the problem to investigate a mass of duplicate alerts and high false positive rate in practical applications. Based on DBSCAN, density based spatial and temporal clustering of applications with noise (DBS&TCAN) algorithm was proposed by introducing temporal density. The approach aggregated partial alerts based on spatial density, and merges partial aggregation on the basis of temporal density. The effectiveness of the algorithm was demonstrated by the intrusion detection evaluation dataset. The comparative experiments and analysis show that the algorithm is effective in alert aggregation and gives better results in terms of real time …

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Research On Ontology-Meta Modeling Method For Equipments Sos (System Of System) Combat Simulation, Zhang Shen, Haohua Xu, Jingye Wang Jun 2020

Research On Ontology-Meta Modeling Method For Equipments Sos (System Of System) Combat Simulation, Zhang Shen, Haohua Xu, Jingye Wang

Journal of System Simulation

Abstract: Aiming at the strict standard and difficulties of equipments SOS combat simulation modeling, an ontology-meta modeling method was put forward. Based on the analysis of equipments SOS combat, the basic notional units were abstracted: function unit, combat organize, combat maneuver, combat event, and combat environment, and the units mapping into UOPEE (unit, organization, proceeding, event and environment) which was a maturity and combined models collect, then constituted the descriptive UOPEE architecture with the UML method, obtaining the cyber-model architecture based on component designing and realizing method. This method makes the equipments SOS combat model easy to mapping and integration …

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Fast Fusion Method For Multi-Focus Image Based On Hierarchical Model, Lisheng Wei, Pinggai Zhang Jun 2020

Fast Fusion Method For Multi-Focus Image Based On Hierarchical Model, Lisheng Wei, Pinggai Zhang

Journal of System Simulation

Abstract: The issue of hierarchical model for multi-focus image fusion was proposed to improve the visual effect and real-time performance. According to the ambiguous zones of source image, the appropriate grid value was selected and the fusion model was proposed. By using fuzzy logic method and threshold segmentation, the gray variance values of the corresponding block were calculated and the hierarchical classification of sub-block was given to achieve the best fusion zones. Based on these, the weighted mean method was proposed to smooth the discontinuity of different block marginal area. These guaranteed the real-time performance of image fusion. The simulation …

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Control Strategy Of Bionic Eyes Movement In Gaze Shifts, Xiaohui Wang, Ma Xin, Bin Qin, Yibin Li Jun 2020

Control Strategy Of Bionic Eyes Movement In Gaze Shifts, Xiaohui Wang, Ma Xin, Bin Qin, Yibin Li

Journal of System Simulation

Abstract: For the gaze shifts with asymmetrical depth in the horizontal plane of bionic eyes, a piecewise control strategy of eye-head coordinative motion was proposed according to the amplitude of gaze shifts, and the motion model of bionic eyes was developed. When the amplitude of gaze shifts is smaller than the head movement threshold, the eyes move only by saccade-vergence. When the amplitude is larger than the head movement threshold and smaller than the saturation threshold of eye movement with head at rest, gaze shifts are accomplished with eye-head coordinative movements. When the amplitude is larger than the saturation threshold, …

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Research Of Remote Sensing Image Classification Technology Based On Multi-Feature Combining And Bow Model, Li Ke, You Xiong, Du Lin Jun 2020

Research Of Remote Sensing Image Classification Technology Based On Multi-Feature Combining And Bow Model, Li Ke, You Xiong, Du Lin

Journal of System Simulation

Abstract: A new algorithm of image classification of multi feature combination and BoW model was proposed. SIFT, GIST, Census and Gabor color, and many other types of features were extracted from the images, and then through the experimental analysis to determine the best feature combination. According to the general K-means algorithm which did not consider the weight of each features, different feature component was put forward by using automatic weighted k-means algorithm, respectively SIFT, GIST, Gabor feature construct weights based on image features of vocabulary, using the soft coding algorithm for image coding, and using the SVM algorithm …

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Research On Visual Display System Of Helicopter Flight Simulator, Zhangfa Liu, Junjie Zhang Jun 2020

Research On Visual Display System Of Helicopter Flight Simulator, Zhangfa Liu, Junjie Zhang

Journal of System Simulation

Abstract: In order to improve the effect of visual display system in helicopter simulator system, and to enhanc the installation and maintenance of equipment, the method is based on x-type side-cabin helicopter, studying from optical design, dome design, projection support and shelter design, geometry correction and edge blending design. Research was discussed from a theoretical analysis of optical design method, taking fully into account the practicality and versatility of the structure of the dome design, integrated projectors support and shade structures, as well as the unique geometric correction method of geometric reference system. This method was validated by actual project …

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Design And Implementation Of Secure Usb Connection, Songyin Zhao, Bin Yu Jun 2020

Design And Implementation Of Secure Usb Connection, Songyin Zhao, Bin Yu

Journal of System Simulation

Abstract: Aiming at the deficiency of present secure solutions countering USB-based Hardware Trojan Horse, BadUSB, bus wiretapping and other new attack technologies, a secure connection scheme applying to any USB device was proposed. In scheme, mutual authentication and key exchange were implemented by extending the standard device request in the hub driver and USB device framework driver to prevent the creation of malicious USB connection. Meanwhile, all the data transferred of the created USB connection would be filter encrypted by USB bus driver and USB device framework driver to rebel the monitor of bus. The experiment results show that the …

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Research And Implementation Of Simulation For Aircraft Crossing The Low-Level Wind Shear Area, Zhigang Su, Chen Qi, Jingtang Hao Jun 2020

Research And Implementation Of Simulation For Aircraft Crossing The Low-Level Wind Shear Area, Zhigang Su, Chen Qi, Jingtang Hao

Journal of System Simulation

Abstract: Low-level wind shear seriously affects the safety of approach and departure of flights, the flight simulation system is utilized for analyzing low-level wind shear influences on aircraft take-off and landing, which is of great significance for seeking the safety circumvention strategy of aircraft crossing the core of the storm. With software, Fluent, the system simulated the regional wind field of low-level wind shear, and utilized the open source flight simulator, FlightGear, as the aircraft simulation platform. The system sent the wind speed data as the input of system via UDP(User Datagram Protocol) interface and the influences on aircraft flight …

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Numerical Simulation Of Cavitation And Failure Analysis In Hydraulic Loader, Mo Li, Yang Qi, Yumei Wang Jun 2020

Numerical Simulation Of Cavitation And Failure Analysis In Hydraulic Loader, Mo Li, Yang Qi, Yumei Wang

Journal of System Simulation

Abstract: Using software CFX with SST κ-ω model and Rayleigh-Plesset cavitation model, the numerical simulation of 3-D steady flow with water liquid and water vapour two phases in whole flow passage of hydraulic loader was conducted. The influences of different parameters (inlet flow rate, rotational speed and blade angle) on cavitation of hydraulic loader were studied. The results show that, under small flow rate, large blade angle (≥60°) and low speed (≤3 000 r/min), cavitation is light. At different working conditions, where cavitation appears in radial direction of position is the same. The cavitation mainly distributes where the r/R …

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Research On Identification Of Induction Motor Parameters Ased On Nameplate Data And Pso, Xingwu Wang, Bingshu Wang, Zhaoyan Zhang, Zhibin Liu Jun 2020

Research On Identification Of Induction Motor Parameters Ased On Nameplate Data And Pso, Xingwu Wang, Bingshu Wang, Zhaoyan Zhang, Zhibin Liu

Journal of System Simulation

Abstract: A new method was proposed based on motor nameplate and particle swarm optimization (PSO) for identification of motor equivalent circuit parameters. The method effectively solved to present problems of motor equivalent circuit parameters identification method. An accurate motor equivalent circuit was built by introducing an equivalent stray-loss resistance, mechanical loss, and slip loss of ring brushes for wound motor. An identification optimization model of equivalent circuit was established based on motor nameplate parameters and motor equivalent circuit’s calculating parameters. Solving optimization model with PSO was achieved a higher probability optimization goals. The motor electrical parameters were calculatd at …

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Para(Noia)Metric: Architecture Beyond The Edge Of Rationality, Marwan Halabi Jun 2020

Para(Noia)Metric: Architecture Beyond The Edge Of Rationality, Marwan Halabi

Architecture and Planning Journal (APJ)

Nowadays, efforts are being tremendously put in order to facilitate opportunities for the fourth industrial revolution to play a real role in the destiny of architectural design and construction. Parametric design and digital fabrication are some of the tools that have been contributing in this uprising for the last two decades. The amount of solutions developed so far has, sometimes out of curiosity, been used in alternative ways that occasionally lead to highly appreciated outcomes, and sometimes immersed us in worlds of rationally controlled complexities that might be not so useful. Some of the highly sophisticated computational design processes strengths …

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Optimum Windbreaker To Reduce Wind Tunnel Effect On Occupant Comfort At Pedestrian Level (A Case Study Of Bau Building In Tripoli), Dima Khoder Merhy, Nabil Mohareb, Mostafa R. A. Khalifa Jun 2020

Optimum Windbreaker To Reduce Wind Tunnel Effect On Occupant Comfort At Pedestrian Level (A Case Study Of Bau Building In Tripoli), Dima Khoder Merhy, Nabil Mohareb, Mostafa R. A. Khalifa

Architecture and Planning Journal (APJ)

Shape, size, building orientation and its interaction with the surrounding buildings can cause wind tunnel that affect the pedestrian comfort. This paper aims to select the optimum windbreaker height and thickness for reducing the effect of wind tunnels on pedestrian comfort, by selecting the building of Beirut Arab University (BAU)-Tripoli campus as a case study. Different alternative designs have been simulated and compared with the comfort criteria of pedestrians to conclude the optimum solution that can be adapted on the selected building and on any other cases that have similar characteristics.

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Enhancing Pedestrian Flow In Public Space Through User Segregation, Ali Sedki, Farah Iaali Jun 2020

Enhancing Pedestrian Flow In Public Space Through User Segregation, Ali Sedki, Farah Iaali

Architecture and Planning Journal (APJ)

This paper attempts to improve the pedestrian flow in the public space of Yaacoub El-Labban Square in El-Mina district, Triopoli, North Lebanon. The new understanding of urban planning aimed to promoting pedestrian movement while restricting the unnecessary use of vehicles. It is presumed that the presence or absence of vehicular activity can affect the motion and mobility of pedestrians in a certain zone. Consequently, this study, first, run a Space Syntax interpretation using DepthMap analyses for the chosen case study in order to understand how pedestrian movement can be promoted and increased through user segregation, and, additionally, restrictive use of …

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Employing Sustainable Development Concepts To Revitalize The Historic Urban Quarter Of Al-Muizz Street, Cairo, Egypt, Baher Ismail Farahat Jun 2020

Employing Sustainable Development Concepts To Revitalize The Historic Urban Quarter Of Al-Muizz Street, Cairo, Egypt, Baher Ismail Farahat

Architecture and Planning Journal (APJ)

Historical preservation helps keep communities beautiful, vibrant and livable, and gives people a stake in their surroundings, for the fact that such historical and valuable places provide a sense of stability and a tangible link with the past (historichawaii.org Feb.2020). Historical places constitute a valuable front for cities with a well-known identity that lasted for centuries. Focusing on developing these places to ensure their sustainability and preserving their history constitutes a mission that has impact not only on the urban environment but also on people using it. Fundamentally, cities bring creative and productive people together helping them to do what …

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Saving The Memories In The Framework Of Social Heritage Conservation In Egyptian Villages, Dalia Shebl Said Jun 2020

Saving The Memories In The Framework Of Social Heritage Conservation In Egyptian Villages, Dalia Shebl Said

Architecture and Planning Journal (APJ)

Social memories is a part of our heritage. One of the complex challenges which facing our intangible heritage is how to deal to various forms of social meaning, special memories that form a distinguished culture in our community. Social heritage is heavily related to three factors; time, place and human. The research takes a case study Al-Shakluba village that focuses on the non-materialistic aspects of social and culture heritage that increases recognition with intangible values and plays an important role that how people interact with social and cultural environments and the importance of these values that impact on the ways …

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Techno-Economic Analysis Of Using Pv Curtain Walls In Hot Arid Environmentcase Study; Mixed-Use Building, Jeddah, Ksa, Abdelaziz Farouk A. Mohamed, Ahmed T. Elfakgarany Jun 2020

Techno-Economic Analysis Of Using Pv Curtain Walls In Hot Arid Environmentcase Study; Mixed-Use Building, Jeddah, Ksa, Abdelaziz Farouk A. Mohamed, Ahmed T. Elfakgarany

Architecture and Planning Journal (APJ)

Nowadays the world no longer has a choice to reduce the dependency of non-renewable energy resources, especially in buildings. This type of energy like fossil fuel is responsible for global warming and the climate change phenomenon. The construction industry has to depend on renewable energy to improve environmental impacts while operating the buildings. The most promising technologies for buildings are photovoltaic panels system which converts solar radiation into electricity without harming the environment. PV system is not only used as top-roof panels but also it can play an important role in the exterior building cladding and in curtain wall system …

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Experiential Learning Based Biophilic Design, Marwa Charkas Jun 2020

Experiential Learning Based Biophilic Design, Marwa Charkas

Architecture and Planning Journal (APJ)

Capturing nature-related values is the cornerstone in postmodern theories of architecture. Approaches like, sustainable, ecological, environmental, green …. etc, are labeling most of architectural interventions now. However, ‘Biophilic Architecture’ stands as one of these concepts that reflects a new perspective for linking the nature to architecture. The applications of this concept are accelerating among different building types and it has profound impacts on articulating the vocabulary of the used architecture. Schools are among building types that witness profound changes in architectural expressions due to radical developments in pedagogical theories. Experiential learning is one of the emerging approaches for preschoolers. It …

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Investigating The Relationship Between User's Densities And Functions Distribution On Mediterranean Waterfronts: Statistical Analysis Approach, Sima El-Cheikh, Mary Felix, Nabil Mohareb, Ibtihal Y. El-Bastawissi Jun 2020

Investigating The Relationship Between User's Densities And Functions Distribution On Mediterranean Waterfronts: Statistical Analysis Approach, Sima El-Cheikh, Mary Felix, Nabil Mohareb, Ibtihal Y. El-Bastawissi

Architecture and Planning Journal (APJ)

The type of buildings and activities along the waterfronts have to stimulate the interactivity between public spaces and their users to reach the desired comfort, enjoyment and appropriate densities. This study is part of a continuing research and it aims to highlight the spatial relationship between the type of buildings and the densities on cities waterfronts of the Mediterranean Sea. It undertakes three case studies with different economic and touristic levels. It is a top-bottom approach that analyzes the existing population densities on waterfronts and the surrounding building functions. This paper uses quantitative analysis based on spatial statistics along each …

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The Efficiency Of Rainwater Harvesting Systems In The Lebanese Coastal Zone, Kareem Galal Jun 2020

The Efficiency Of Rainwater Harvesting Systems In The Lebanese Coastal Zone, Kareem Galal

Architecture and Planning Journal (APJ)

Water conservation is one of the most important trends within sustainable applications in the world today. The global fresh water demand has increased by 1% per year since the 1980s, and it is estimated that it will continue increasing at this rate until 2050. Therefore, utilizing the available rain water has become a vital parameter for most of the world's countries that lie within the water demand red-zone. Lebanon is moving toward the water demand red-zone rapidly, which has prompted the consideration of rain water harvesting (RWH) systems in the last ten years. The variety in precipitation in the different …

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Enhancing Undergraduate Architectural Education (Scale 1 To 1 Design - Build Method), Mostafa Khalifa, Mostafa El Hefnawi Jun 2020

Enhancing Undergraduate Architectural Education (Scale 1 To 1 Design - Build Method), Mostafa Khalifa, Mostafa El Hefnawi

Architecture and Planning Journal (APJ)

On 1997, the board of RIBA – Royal Institute of Britch Architects – highly recommended “experimental learning” or “learning by doing” methods in design studio teaching in architecture as a “practicum”. (Wallis, 2005) Although practicum is the task of learning architecture as practice, most of practicum teaching applications in architectural education are either in postgraduate level or in extra curriculum activities. Based on international studies on Design-Build educations, teaching experience and observation of fresh graduates and junior architects, there is still a shortage between design and execution in undergraduate education level, students faces many problems during project implementation phase in …

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Development Trend Of Next Generation 3d Graphics Engines, Zhao Wei, Mao Ping, Fanyu Shen Jun 2020

Development Trend Of Next Generation 3d Graphics Engines, Zhao Wei, Mao Ping, Fanyu Shen

Journal of System Simulation

Abstract: The development, relationship and differences between game engine and virtual reality engine were introduced, a joint name of 3D graphics engine was proposed. The bottlenecks and shortages of scene management, geometry model creating, physics simulation, lighting, shading, etc. were analyzed by synthetically considering the advancements in computer hardware, softwares and simulation theories, etc.. The development demands and trends were researched, the Concept of adaptive multi-thread shading technology, advanced real-time dynamic deformation technology, integrated collision detection technology, independent of the collision process technology were proposed for the first time, and a brief features description of these concepts were give, it …

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Parametric Approachfor Automatic Generation Of Finite Element Modelfor Dental System, Wei Yi, Dengming Zhu Jun 2020

Parametric Approachfor Automatic Generation Of Finite Element Modelfor Dental System, Wei Yi, Dengming Zhu

Journal of System Simulation

Abstract: Aiming at overcoming the disadvantages of currentmodeling methods for dental system, such as poor efficiency and lack of personality, a method for automatic generation of finite element model for personalized dental systemis proposed. On the basis ofthe original 3Ddental model, a3Dmodel of pericementum and phatnomaiscreatedby technology of solid modeling.According tothe configuration parameters of dentition and finite elements, a finite element model of the personalized dental system is generated. Based on Ansys parametric design language, anautomatic finite element modeling system of dental system is implemented. By this modeling system, experiments are performed based on the real data of dental system …

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Parameter Identification Method Based On Lagrangemultiplier And Measuring Residual Error, He Zhi, Zhicheng Nie, Yining Qin, Youping Fan Jun 2020

Parameter Identification Method Based On Lagrangemultiplier And Measuring Residual Error, He Zhi, Zhicheng Nie, Yining Qin, Youping Fan

Journal of System Simulation

Abstract: To satisfy the security and stability control, transient and steady state analysis of power system, it is necessary to ensure the accuracy of the estimated parameters. A method of parameter identification in power system based on Lagrange multiplier and measurement method of residualis proposed through analysis of measurement residuals. A two-step approach for parameter identification is introduced. Based on Lagrange multiplier method, using thestandardized Lagrange multiplier corresponding to the parameter error the parameters with errors can be judged by the size relative to the threshold and can bedetected and identified automatically. The residual vector of measurement redundancy is …

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Doppler Ultrasound Blood Flow Signal Simulation Of Aneurysm Based On Analytical Velocity Distribution, Gao Lian, Yufeng Zhang, Jine Yan, Zhiyao Li, Kexin Zhang, Xiong Min, Suya Han Jun 2020

Doppler Ultrasound Blood Flow Signal Simulation Of Aneurysm Based On Analytical Velocity Distribution, Gao Lian, Yufeng Zhang, Jine Yan, Zhiyao Li, Kexin Zhang, Xiong Min, Suya Han

Journal of System Simulation

Abstract: For simulating the Doppler ultrasound blood flow signals in the vessels with aneurysms at different stages of development, this paper presents a simulation model in which the Doppler ultrasound blood flow signals are obtained by employing cosine-superposed constituents which are modulated by a power spectral density (PSD) estimated from velocity profile calculated by analytically solving the Navier-Stokes equations according to the axis-centerline velocity at the upstream faraway segment of the aneurysms. In the experiments, the Doppler ultrasound blood flow signals in the normal vessels and vessels with aneurysms having different dilations are generated, respectively. The simulated Doppler ultrasound blood …

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Sub-Zero Cold Start Simulation Of Hybrid Fuel Cell Vehicle Drivetrain, Xinfeng Zhang, Minghui Luo, Chuanqi Yao, Dai Wei, Guofeng Chang Jun 2020

Sub-Zero Cold Start Simulation Of Hybrid Fuel Cell Vehicle Drivetrain, Xinfeng Zhang, Minghui Luo, Chuanqi Yao, Dai Wei, Guofeng Chang

Journal of System Simulation

Abstract: Sub-zero cold start is a major obstacle for PEM fuel cell vehicle's commercialization. This paper aims to study the sub-zero cold starting process of hybrid fuel cell vehicle. A thermo-electro-mechanical coupling model was built based on the electro-chemical and thermal dynamic performance of battery and fuel cell, as well as the mechanical dynamic performance of fuel cell's auxiliary system. A computational model was also set up based on MATLAB/simulink. Through simulations under different heat powers, the energy consumption and battery state of charge are analyzed, which help to optimize power train's configuration and control strategy.

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