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241
On the Nonlinear Behavior of the Piezoelectric Coupling on Vibration-Based Energy Harvesters
Published 2015-01-01“…Subsequently, numerical simulations are carried out showing different responses of the system indicating that nonlinear piezoelectric couplings can strongly modify the system dynamics.…”
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242
An Application of DC Motor Modelled Classical Sliding Mode Control with Moving Sliding Surface to Rotary Inverted Pendulum System
Published 2024-10-01“…The sliding surface's slope was computed based on the system's dynamics. The genetic algorithm was utilized to determine the ideal values for the coefficients employed in the control structure. …”
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243
Coevolutionary dynamics in the grass-livestock social-ecological system of China's alpine pastoral areas: A case study of the Qilian Mountains region in China.
Published 2025-01-01“…This paper uses a system dynamics approach to construct a simulation model of the grass-livestock system in alpine pastoral areas, simulating the long-term dynamic co-evolution of the socio-ecological system in the Qilian Mountains region of China. …”
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244
Analytical Analysis of Dynamic Wireless Power Transfer System Controllers for Electric Vehicles: A Review
Published 2025-02-01“…However, modeling, controlling, and analyzing the DWPT system are highly challenging because the system dynamics in underlying power system and transportation system have to be jointly considered that makes the problem highly complicated. …”
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245
Automatic Emergence Detection in Complex Systems
Published 2017-01-01“…This framework, based on a probabilistic graphical model called Bayesian Knowledge Bases (BKBs), learns individual subsystem dynamics from data, probabilistically and structurally fuses said dynamics into a single complex system dynamics, and detects emergent properties. Fusion is the central element of our approach to account for situations when a common variable may have different probabilistic distributions in different subsystems. …”
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246
Spatial-temporal analysis of the international trade network
Published 2025-01-01“…A multilevel scenario construction theory for complex networks is proposed, highlighting the great significance of spatial regression models and system dynamics models in identifying global mechanisms; the unique value of temporal network analysis under the support of time-series information is discussed. …”
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247
Dynamics Model Abstraction Scheme Using Radial Basis Functions
Published 2012-01-01“…Properties of objects and environmental conditions influence the motor control and learning. System dynamics depend on an unobserved external context, for example, work load of a robot manipulator. …”
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248
OPTIMUM MATCHING OF KINEMATIC PARAMETERS OF CUTTING COAL GANGUE SHEARE
Published 2019-01-01“…Based on the coal rock material nonlinear theory and rigid flexible coupling multi-body system dynamics theory,the optimal matching of the parameters of shearer was studied.Using Ansys/LS-DYNA software, the coupling simulation model was established for shearer drum with gangue coal, the coal extraction process run down by three to the spiral drum three to force and torque, the volume of coal and rock was cut out.The relationship between the motion parameters and load fluctuation coefficient, cut down the coal volume, cutter safety coefficient, cutting energy consumption, coal loading rate and productivity were analyzed using these results; Using the MATLAB optimization toolbox, the load fluctuation coefficient, cut down the coal volume, cutter safety coefficient, cutting ratio energy consumption, coal loading rate and productivity as the goal function, the multi-objective optimization equation is established for motion parameters of shearer spiral drum. …”
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249
Swing Characteristics and Vibration Feature of Tower Cranes under Compound Working Condition
Published 2021-01-01“…For the lifting-luffing coupling motion (LLCM) and lifting-slewing coupling motion (LSCM) of the tower crane, the D’Alembert principle provides a theoretical basis for the derivation of system dynamics equations. The spatial swing angle description of the crane payload includes the time-domain response and frequency-domain response, which uses a dynamic model. …”
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250
Research on the Prediction Model of the Friction Coefficient of Asphalt Pavement Based on Tire-Pavement Coupling
Published 2021-01-01“…The correlations between pavement texture and tire pressure with the actual tire-road contact area were first investigated according to the tire-road static contact characteristics; on this basis, the influence mechanisms of speed and pavement texture on the pavement friction coefficient were systematically explored from the angle of tire-road coupling system dynamics via the self-developed dynamic testing system of tire-pavement friction. …”
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251
The Optimization of a Virtual Dual Production-Inventory System under Dynamic Supply Disruption Risk
Published 2020-01-01“…When its supplier is interrupted, the manufacturer may need to adjust the production and inventory plan and work with the contingency supplier. We develop a system dynamics method to simulate the operations in this production-inventory system to identify the approximately optimal order-up-to-level inventory policies. …”
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252
Interactions between Climate, Socioeconomics, and Land Dynamics in Qinghai Province, China: A LUCD Model-Based Numerical Experiment
Published 2013-01-01“…Except for providing underlying surfaces for RCMs for future climate change assessment, this empirical research of regional land use change may enhance the understanding of land surface system dynamics.…”
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253
Non-linear PID control of AC current and DC voltage for a photovoltaic system operating on a microgrid
Published 2025-03-01“…This adaptive behavior eliminates the need for a derivative component, effectively circumventing challenges posed by electromagnetic noise and rapid system dynamics. A comparative analysis between the proposed nonlinear PI controller and a conventional PI controller is conducted within a photovoltaic microgrid framework. …”
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254
Influence of different delays on mixed types of oscillations under limited excitation
Published 2023-11-01“…The results of the calculations carried out to gain insight into the influence of delays on the system dynamics were discussed. Overall, the calculations show that the interaction between the forces with delay and the forces in the energy source is at the core of a variety of phenomena. …”
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255
A linear filter regularization for POD-based reduced-order models of the quasi-geostrophic equations
Published 2023-03-01“…We propose a regularization for reduced-order models (ROMs) of the quasi-geostrophic equations (QGE) to increase accuracy when the proper orthogonal decomposition (POD) modes retained to construct the reduced basis are insufficient to describe the system dynamics. Our regularization is based on the so-called BV-$\alpha $ model, which modifies the nonlinear term in the QGE and adds a linear differential filter for the vorticity. …”
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256
Dynamic Learning from Adaptive Neural Control of Uncertain Robots with Guaranteed Full-State Tracking Precision
Published 2017-01-01“…A dynamic learning method is developed for an uncertain n-link robot with unknown system dynamics, achieving predefined performance attributes on the link angular position and velocity tracking errors. …”
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257
Study on Vibration Characteristics of a Shipboard Helicopter Tail Horizontal Shaft System with an End Gear Folding Mechanism
Published 2024-10-01“…On this basis, the folding device dynamics model was coupled to the tail horizontal shaft system, and the folding tail horizontal shaft system dynamics model was established to solve and analyze the vibration characteristics of the shaft system. …”
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258
Dynamic Assessment of the Use of Natural Resources in an Agricultural Production Chain
Published 2024-01-01“…In this regard, having simulation tools is crucial for assessing how these resources are impacted by agricultural activities and their implications for the long-term development of such economic activities. System dynamics (SD) is a valuable simulation tool that allows the evaluation of complex system behaviours in the long term, so that the possible impact of decision-making can be studied and thus contribute to the development of policies in fields as important as agriculture. …”
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259
Fuzzy Neural Network-Based Evaluation Algorithm for Ice and Snow Tourism Competitiveness
Published 2021-01-01“…And the software is used to test the ice and snow tourism industry system dynamics model to realize the correctness and robustness testing of the model. …”
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260
On the Formulation of the Exchange Field in the Landau-Lifshitz Equation for Spin-Wave Calculation in Magnonic Crystals
Published 2012-01-01“…According to ideas of the plane-wave method the system dynamics is described in terms of plane waves (a superposition of a number of plane waves), which are continuous functions and propagate throughout the medium. …”
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