Assessment of Autonomous Combat Effectiveness of Ground-Attack UAV Based on Optimized Random Forest by Shao Mingjun, Liu Shuguang, Li Shanshan

“…In order to evaluate the autonomous combat effectiveness of ground-attack UAV efficiently, quickly and objectively, weighted mean of vectors algorithm (INFO) and K-fold cross-validation method are introduced to optimize the random forest algorithm (RF) to find the optimal parameter combination, and an autonomous combat effectiveness evaluation method based on optimized random forest is proposed. Firstly, based on the theory of weighted mean of vectors algorithm, the number and maximum depth of the random forest decision tree model are optimized. …”
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Static voltage stability analysis and evaluation of vector controlled offshore wind farm considering cable capacitance parameters by Hongtao Tan, Hui Li, Ran Yao, Renkuan Liu, Zhiting Zhou, Xiuqi Zhang

“…The contribution of this paper is to propose a more accurate method for assessing the voltage stability of OWFs. Firstly, based on the equivalent circuit method, the point of common coupling (PCC) and internal voltage characterization models of OWF considering the cable capacitance parameters are derived. …”
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Power Line Extraction Framework Based on Edge Structure and Scene Constraints by Kuansheng Zou, Zhenbang Jiang

“…The Power Line Scene Recognition (PLSR) is used as an auxiliary task for the PLE and scene constraints are set first. Based on the characteristics of power line images, the shallow feature map of the fourth layer of the encoding stage is transmitted to the middle three layers of the decoding stage, thus, structured detailed edge features are provided for upsampling. …”
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Energy-saving and noise-reducing integrated task allocation model for machining systems and its application by Chen Tao

“…In this paper, firstly, based on the application model of optimal scheduling of machining system for green manufacturing, two application models of the energy-saving scheduling model and energy-saving and noise-reducing scheduling model in a multi-model framework are combined, and the resource environment coefficient matrix of the two application models is established as well as the solution process is studied with the parallel machine problem. …”
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A novel knowledge management method about integrated grounded theory for performance assessment of green building construction engineering by Bai Xiaoping, Liu Wansong

“…This paper combined green construction and project management knowledge for performance assessment of green building construction engineering and used integrated method of grounded theory and G2 (G2 empowerment method) entropy method as a knowledge management strategy to build the performance assessment index set. Firstly, based on the existing literature and semi-structured interview data, grounded theory coding technology is used to identify the influencing factors of green construction performance to determine the assessment index set and corresponding assessment standards and formed the assessment index system. …”
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Study on the motion analysis of three-dimensional ball mills by Masanari OKUNO, Masayoshi WADA

“…In this study, we focused on the mechanism of suppressing the critical condition. First, based on the past study for ordinary ball mills, we created a theoretical formula for three-dimensional ball mills in critical condition. …”
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Gendered mediation of children’s internet use: A keyhole for looking into changing socialization practices by Kairi Talves, Veronika Kalmus

“…Analyses were carried out in three steps using quantitative and qualitative methods. Firstly, based on EU Kids Online survey data, gendered patterns in parental mediation across European countries were explored. …”
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A two-sided logistics matching method considering trading psychology and matching effort under a 4PL by Na Yuan, Haiming Liang, Min Huang, Qing Wang

“…Therefore, we propose a novel two-sided logistics matching method considering the trading psychology and matching effort of matching subjects under the 4PL. First, based on considering the trading psychology, the concepts of blocking pair and stable matching are redefined. …”
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Globally Asymptotic Stable Attitude Estimation with Application to MEMS Sensors

“…The Euler angle is obtained by the state observer method based on Direction Cosine Matrix (DCM) which can be got by fusing the sensor data. Firstly, based on the basic idea of TRIAD algorithm, a method to determine the attitude rotation matrix by accelerometer and magnetometric measurement is proposed. …”
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Graphlet correlation distance to compare small graphs by Jérôme Roux, Nicolas Bez, Paul Rochet, Rocío Joo, Stéphanie Mahévas

“…This paper deals with small graphs (with potentially high densities of connections) that have been somewhat neglected in the literature but that concern important fora like sociology, ecology and fisheries, to mention some examples. First, based on numerical experiments, we study the conditions under which Erdős-Rényi, Fitness Scale-Free, Watts-Strogatz small-world and geometric graphs can be distinguished by a specific GCD measure based on 11 orbits, the GCD11. …”
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Innovative self-adaptive gripper design, functional simulation, and testing prototype by Cezar Ioan Frincu, Ioan Stroe, Ionel Staretu

“…This article presents the design, functional simulation, and prototype of an innovative adaptive jaw gripper. First, based on the comparative analysis of several types of anthropomorphic finger grippers and adaptive jaw grippers, to avoid their disadvantages, the structural scheme of a gripper module based on a polycontour mechanism, comprising a guided parallelogram contour, was established to obtain a parallel translational movement of the elements of the jaw holders and therefore of the jaws. …”
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Study on Dynamic Interval Power Flow Calculation of Microgrid Based on Monte Carlo Algorithm by Xudong Yuan

“…In order to effectively monitor the stability of the microgrid, based on the advantages of the Monte Carlo algorithm, a dynamic interval power flow calculation method for microgrid is designed. First, based on the multilayer complex structure of the microgrid, the hierarchical topology of its interval structure is analyzed. …”
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Rigid-flexible Coupling Dynamics and Fatigue Life Evaluation of Wheel Reducers Based on the Load Spectrum by Yang Siyuan, Wan Yipin, Zhang Lei, Song Xuding

“…Aiming at the fatigue problem of the wheel edge reducer gear system of the drive axle of the loader, the dynamics simulation and fatigue life evaluation are carried out. Firstly, based on rigid-body dynamics and rigid-flexible coupling dynamics, the variation of the contact force between the solar wheel and the planetary wheel is analyzed, and compared with the theoretical calculation value of the contact force, the credibility of the model is verified. …”
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Fractional stochastic vibration system under recycling noise by Jian-Gang Zhang, Fang Wang, Hui-Nan Wang

“…This article uses a fractional modification of the well-known van der Pol oscillator with multiplicative and additive recycling noises as an example to study its stationary response and its stochastic bifurcation. First, based on the principle of the minimum mean square error, the fractional derivative is equivalent to a linear combination of damping and restoring forces, and the original system is simplified into an equivalent integer order system. …”
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Study on a New Rotor Profile with Convex Head for Radial Seal andEccentric Main Circular Arc by Li Yulong Liu Ping Zang Yong Li Xiurong Zhao Yan

“…For the need to increase effect of volume utilization rate and volume efficiency for roots pump，a new profile geometry of circular arc rotors with seal convex head and eccentric circular arc is proposed. Firstly，based on the profile geometry of common circular arc rotors，the eccentric arc rotor profile is formed by eccentric design to improve the shape coefficient and volume utilization ratio. …”
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FATIGUE LIFE PREDICTION METHODOLOGY BASED ON WEIGHT-AVERAGED MAXIMUM SHEAR STRESS PLANE UNDER MULTIAXIAL LOADING by TAO ZhiQiang, ZHANG Ming, ZHU Yu, CHENG Rong, WANG LeiJie, LI Xin

“…A fatigue life prediction methodology is proposed based on weight-averaged maximum shear stress range plane.Firstly,based on modified Wang and Brown’s reversal counting method,a new approach to the determination of the critical plane is proposed under multiaxial variable amplitude loading. …”
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Unified Calculation Model and Its Verification of Gear Cross-section Area for Arbitrary Tooth Profile by Yulong Li, Jun Fan, Xiurong Li, Yong Zang

“…To derive a unified calculation model for gear cross-section area suitable for arbitrary tooth profile. Firstly， based on the external conjugate relation between two identical gear， it is analyzed that cross-section area of gear is composed of pitch circle area， plus conjugated area， and minus minimum top gap area. …”
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The Process of Creating a Digital Communication Model for the Vatican by Józef Kloch

“…Digitalization also ­allowed the Vatican to create a new model of communication with the modern world. This model was first based on the capabilities of computer networks and then on the Internet. …”
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Type Synthesis of Fully-decoupled Three-rotational and Three-translational Parallel Mechanism by Zhou Hui, Cao Yi

“…Through the analysis of the input and output characteristic of the full-coupled parallel mechanism,based on the theory of screws and the principle of individual driving,a method of structural synthesis of fully-decoupled three-translational and three-rotational（ 3R3T） parallel mechanism is proposed. Firstly,based on the requirement of the Jacobian matrix of full-coupled parallel mechanism is the nonzero diagonal matrix,by using the screw theory,both the positive and the inverse Jacobian matrix meeting the expected requirement are constructed. …”
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Fault mechanism analysis and diagnosis for closed-loop drive system of industrial robot based on nonlinear spectrum by Lerui Chen, Shengjun Wen, Haiquan Wang, Heyu Hu

“…Abstract To solve the problem of nonlinear characteristics neglecting and fault mechanism analysis lacking in fault diagnosis research, a new method of fault mechanism analysis and diagnosis based on nonlinear spectrum is proposed. Firstly, based on the Permanent Magnet Synchronous Motor (PMSM) model of robot, the first 4-order spectrums based on nonlinear output frequency response function (NOFRF) in different states are obtained by batch calculation method. …”
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