Research progress and development trend of online social network smart search by Yan JIA, Liang GAN, Ai-ping LI, Jing XU

“…In the era of Web 2.0 as the representative of online social network,the requirement of Web search has been far beyond the ability of Web 1.0 search engines,for that data has a pattern of polymorphism,rapid generation,dynamic interaction,fragmentation,change and other characteristics,these new features to search engine technology has brought revolutionary and subversive challenges.The research progressed technical essentials of online social network search are induced.Three main contents of OSN smart search were studied,including the understanding and reasoning of the wisdom and knowledge,the understanding and the expression of user's real intention,and online response of user’s real intention.And then,the key technologies and the development trend of online social network search are discussed.…”
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Optimization of Energy Management Strategy for Plug-in Axle-split Hybrid Electric Vehicle by Du Changqing, He Biao, Cao Xiliang, Wang Huawu, Ren Weiqun

“…In order to improve the energy consumption economy of a plug-in axle-split hybrid electric vehicle （PHEV），a rule-based energy management strategy is established，and the corrected power factor and speed limits value for engine startup are introduced. The key parameters of the corrected power factor of engine，start-up speed and energy management strategy control rules are optimized offline by using particle swarm optimization （PSO）. …”
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Optimization Algorithm of Dynamic Control Strategy based on CVT Efficiency by Wang Zhihong, Wang Jianyun, Liu Shichao, Yan Hao, Du Changqing

“…The traditional Continuously Variable Transmission （CVT） dynamic control strategy takes the maximum engine power as the control target. As CVT efficiency varies greatly under different loads， the maximum engine power cannot guarantee the maximum driving power at the same time. …”
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Les trois âges du paysage by Philippe Montillet

“…Between the age of the farmers, the one of the artists and the one of the engineers, the article shows that there is a continuity and a logic in the region of Ile-de-France.…”
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Simulation of Transient Temperature and Clearance after Shutdown of Aeroengine Based on CFD and FEA Coupled Models by Xuanming Ge, Yan Gao, Wei Gu, Dongyu Sui, Lingling Yue

“…This could bring potential risks for the engine including oil coking. The temperature change of engine components dictates the clearance after shutdown, while startup strategies are primarily based on this. …”
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Overview: quasi-Lagrangian observations of Arctic air mass transformations – introduction and initial results of the HALO–(𝒜 𝒞)³ aircraft campaign by M. Wendisch, S. Crewell, A. Ehrlich, A. Herber, B. Kirbus, C. Lüpkes, M. Mech, S. J. Abel, E. F. Akansu, F. Ament, C. Aubry, C. Aubry, S. Becker, S. Borrmann, S. Borrmann, H. Bozem, M. Brückner, H.-C. Clemen, S. Dahlke, G. Dekoutsidis, J. Delanoë, E. De La Torre Castro, E. De La Torre Castro, E. De La Torre Castro, H. Dorff, R. Dupuy, O. Eppers, F. Ewald, G. George, G. George, I. V. Gorodetskaya, S. Grawe, S. Groß, J. Hartmann, S. Henning, L. Hirsch, E. Jäkel, P. Joppe, P. Joppe, O. Jourdan, Z. Jurányi, M. Karalis, M. Kellermann, M. Klingebiel, M. Lonardi, M. Lonardi, J. Lucke, J. Lucke, A. E. Luebke, M. Maahn, N. Maherndl, M. Maturilli, B. Mayer, J. Mayer, S. Mertes, J. Michaelis, J. Michaelis, M. Michalkov, G. Mioche, M. Moser, M. Moser, H. Müller, R. Neggers, D. Ori, D. Paul, F. M. Paulus, C. Pilz, F. Pithan, M. Pöhlker, M. Pöhlker, V. Pörtge, M. Ringel, N. Risse, G. C. Roberts, S. Rosenburg, J. Röttenbacher, J. Rückert, M. Schäfer, J. Schaefer, V. Schemann, I. Schirmacher, J. Schmidt, S. Schmidt, J. Schneider, S. Schnitt, A. Schwarz, H. Siebert, H. Sodemann, H. Sodemann, T. Sperzel, T. Sperzel, G. Spreen, B. Stevens, F. Stratmann, G. Svensson, C. Tatzelt, T. Tuch, T. Vihma, C. Voigt, C. Voigt, L. Volkmer, A. Walbröl, A. Weber, B. Wehner, B. Wetzel, M. Wirth, T. Zinner

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Research on Configuration of Single Motor Hybrid Transmission with Double Row Parallel Planetary Gear Mechanism by Jinxia Liu, Lei Liu, Aibo Wang, Le Geng

“…It is obtained that not only can it realize engine driving， motor driving， hybrid driving， driving power generation， braking power generation and parking power generation working modes， but also is no cycle power in each working mode.…”
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Study on the Dynamic Safety Sactor Control of Clamping Force of Automotive Continuously Variable Transmission by Zhang Bojun, Wang Qian, Hao Yunzhi

“…Traditional constant safety factor method and novel slip-control method are extreme different methods of clamping force control strategy for continuously variable transmission（CVT）.To integrate advantages of both methods,clamping force control strategy base on dynamic safety factor is presented.Analysis of the theoretical clamping force relevant parameters and engine torque wave characteristics is carried out.The safety factor is determined according to engine torque variation trend and range.The calculating process of dynamic safety factor method is described.The simulation and experiment results show that,by adopting dynamic safety factor method,the transmission reliability is ensured.The performances of clamping-force and fuel efficiency are improved.Especially,the clamping force reduced about 20%,the economical efficiency increased about 3%.…”
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NEW METHOD TO PREDICT THE LIFE OF HIGH AND LOW CYCLE COMPOSITE FATIGUE LIFE (MT) by SHI HongMei, CUI Lu, HOU Wei, WANG Peng

“…Engine, internal combustion engine, steam turbine rotors and other high-temperature components were often subjected to high and low cycle composite fatigue loads during operation. …”
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Study on Dynamic Load Characteristic of Multi Axis Silent Chain System by Xu Shuxin, Xing Jianheng, Wang Hongjun

“…The load（ working condition） coefficient is one of the important original inputs in the design of chain transmission system,it is directly related to design variables of the chain bearing capacity,especially for the timing silent chain system,the chain plate thickness or number are all related to it. Through a engine timing chain system design,ignoring the torsional vibration and engine cylinder to work,the load characteristics of the timing silent chain system are analyzed qualitatively. …”
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OPTIMAL DESIGN OF SUSPENSION SYSTEM BASED ON IMPROVED PARTICLE SWARM-TABOO SEARCH ALGORITHM by WANG Jun, TIAN ZhongXu

“…Aiming at the problem that the vibration isolation effect of the engine mount system of an off-road vehicle is not ideal under idling condition,a dynamic model of the engine mounting system is established with the crankshaft center line and the rear end face of the first cylinder as the origin. …”
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Parameter Optimization and Experimental Verification of V-belt CVT based on Genetic Algorithm by Tian Zhewen, Zuo Xiaochao, Li Xiaoning

“…In order to make the V-belt CVT match the Racing Baja condition and engine characteristics， its key parameters are optimized. …”
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Electronic Study Guides for Applied Bachelor’s Degree Programs by D. V. Maltsev, E. M. Genson, D. S. Repetskiy

“…The result of the analysis was the development of requirements for the ESG design for the discipline «Structure and calculation of engines». This discipline includes the basics of structure and calculation elements and systems of internal combustion engines and the processes occurring in them. …”
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Effect of vehicle operating parameters on fuel consumption and the overall energy efficiency of the drive system by Jaroslaw Gonera, Michał Janulin, Oleksandr Vrublevskyi

“…A car with a four-cylinder engine has a higher energy efficiency at low loads. …”
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Analytic Creep Durability of Rotating Uniform Disks by Yuriy Nyashin, Victor Shishlyaev

“…Turbine disks of aircraft engines in operation are subjected to alternating thermocyclic deformation under high temperatures. …”
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Research of Economical Shift Rule of Automatic Power Shift Transmission of Tractor by Xi Zhiqiang, Zhou Zhili, Zhang Mingzhu

“…It requires not only the operating point of the engine located at the lowest fuel consumption zone,also need the tractor traction efficiency to be higher. …”
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Prediction of three-dimensional crack propagation paths taking high cycle fatigue into account by Guido Dhondt

“…Engine components are usually subject to complex loading patterns such as mixed-mode Low Cycle Fatigue Loading due to maneuvering. …”
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Drivability Improvement Control for Vehicle Start-Up Applied to an Automated Manual Transmission by Danna Jiang, Ying Huang, Zhe Zuo, Huan Li

“…Based on a piecewise model of powertrain, a multiple-model predictive controller (mMPC) is designed with the engine speed, clutch disc speed, and wheel speed as the measurable input variables and the engine torque reference and clutch friction torque reference as the controller’s output variables. …”
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Analysis of Modification and Dynamic Characteristic of Timing Gear of Diesel by Jinlin Bai, Junsheng Zhao, Shubin Yang, Zhengwen Li, Chaodong Zhang

“…Aiming at the phenomenon of timing gear whine noise caused by high power density diesel engine, considering the transmission error and other factors, a 12V150 diesel engine is taken as the research object and valve train timing gear transmission system model is established by Romax software. …”
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Development of universal device for determining the needle stroke in diesel and marine diesel sprayers by L. Yu. Volkova

“…The method of determining the motion (stroke) of the needle of the spray nozzles of diesel engines using the developed device is given.…”
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