The proceedings contain 47 papers. The topics discussed include: efficient algorithm for sidewall machining of aircraft structural part;optimum parameters of a tuned liquid column damper in a wind turbine subject to s...
The proceedings contain 47 papers. The topics discussed include: efficient algorithm for sidewall machining of aircraft structural part;optimum parameters of a tuned liquid column damper in a wind turbine subject to stochastic load;study on abrasive wear of brake pad in the large-megawatt wind turbine brake based on deform software;study on the riveting forming of aluminum ball joint;a new design of the test rig to measure the transmission error of automobile gearbox;numerical and experimental investigations on the hydrodynamic performance of a tidal current turbine;modeling and analysis of the static characteristics and dynamic responses of herringbone-grooved thrust bearings;numerical study on biaxial seismic performance of reinforced concrete box piers based on OpenSees;study on gap flow field simulation in small hole machining of ultrasonic assisted EDM;effect of CT specimen thickness on the mechanical characteristics at the crack tip of stress corrosion cracking in Ni-based alloys;study on vibration of heavy-precision robot cantilever based on time-varying glowworm swarm optimizationalgorithm;a numerical and experimental study of ejector internal flow structure and geometry modification for maximized performance;unsupervised learning - a novel clustering method for rolling bearing faults identification;numerical modelling and analysis of hydrostatic thrust air bearings for high loading capacities and low air consumption;parameterized LMI based diagonal dominance compensator study for polynomial linear parameter varying system;and numerical analysis of thermal stresses around fasteners in composite metal foils.
This paper use fuzzy extension analytic method to solve the problem of location selection of logistics center. First, establish an evaluation system. There are three first-level indicators at the criterion level, whic...
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Fluid velocity has an important impact in the Finite Volume numerical method (FVM) used to model fluid and energy flows in heterogeneous porous media. This formulation is based on the energy flow conservation equation...
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With rapid advancement in technologies used in solid-state electronics, nowadays, the conversion and control of electrical power has become easy due to inclusion of power electronics-based devices. With the help of th...
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ISBN:
(纸本)9781665438124
With rapid advancement in technologies used in solid-state electronics, nowadays, the conversion and control of electrical power has become easy due to inclusion of power electronics-based devices. With the help of these devices, accurate and smooth control of electrical power conversion can be consummated in three-phase voltage source inverters. But uses of power electronics devices also result in Total Harmonic Distortion (THD), which distorts overall system performance. Eliminating some selected harmonic in a system can quickly be done by using optimization techniques. This manuscript focuses on analysis of harmonics in a 3-phase voltage source inverter using Gravitational Search algorithm (GSA) and Particle Swarm optimization (PSO) technique.
The output of photovoltaic array under non-uniform light is nonlinear with multi peaks. Since the traditional MPPT algorithm based on particle swarm optimization(PSO) is likely to fall into premature convergence and m...
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The output of photovoltaic array under non-uniform light is nonlinear with multi peaks. Since the traditional MPPT algorithm based on particle swarm optimization(PSO) is likely to fall into premature convergence and may work slower in the later iterations, the MPPT method based on improved PSO with natural selection was proposed for the first time in the paper. New algorithm worked by eliminating and replacing the particles with lower fitness during the iterative process and hence the swarm could track better and faster for the maximum point, with less chances of premature convergence. During the MATLAB modeling and simulation, the improved MPPT algorithm could perform better than the traditional PSO method.
With the widespread application of the Internet of Things technology in the industrial field, the research on 3D temperature field reconstruction technology has also received widespread attention. A fast reconstructio...
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ISBN:
(纸本)9781665467445
With the widespread application of the Internet of Things technology in the industrial field, the research on 3D temperature field reconstruction technology has also received widespread attention. A fast reconstruction algorithm of 3D temperature field based on Kriging interpolation is proposed. Through CFD software simulation, the three-dimensional space simulation temperature field and the temperature data of the sensor node are obtained. According to the spatial position and temperature information about the sensor node, the Kriging interpolation method is used to realize the rapid reconstruction of the three-dimensional temperature field. In order to improve the overall accuracy of the reconstructed temperature field, an improved genetic algorithm is used to optimize the parameters of the Kriging interpolation method. The results show that the three-dimensional temperature field can be quickly reconstructed based on the Kriging interpolation method, and the optimized reconstructed temperature field can accurately reflect the temperature change trend.
Analytical methods for solving various problems of an applied nature (for example, non-stationary transfer problems over network hydro, gas and heat carriers), whose mathematical models use the formalisms of evolution...
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