-
4201
Scattered Data Processing Approach Based on Optical Facial Motion Capture
Published 2013-01-01“…To recover missing data, given the nonlinear relationships among neighbors with the current missing marker, we propose an improved version of a previous method, where we use the motion of three muscles rather than one to recover the missing data. …”
Get full text
Article -
4202
Synthesis, Structural, Spectroscopic, and Hirshfeld Surface Analysis, and DFT Investigation of Benzaldehyde Semicarbazone
Published 2022-01-01“…By using single-crystal XRD, the nonlinear characteristics of the material were studied. …”
Get full text
Article -
4203
Using Electrocardiogram Signal Features and Heart Rate Variability to Predict Epileptic Attacks
Published 2025-01-01“…In the proposed method, 12 features are extracted from the heart rate variability signal in time, frequency, time-frequency, and nonlinear domains to predict epileptic seizures. We used a multivariate statistical process control algorithm for abnormality detection. …”
Get full text
Article -
4204
Experimental Research on Internal Behaviors of Caved Rocks under the Uniaxial Confined Compression
Published 2017-01-01“…A stratification phenomenon of breakage was discovered, which presents breakage concentration in the middle of the sample. The nonlinear movement and shear dislocation induced by shifts among caved rocks are the reason of the breakage stratification phenomenon. …”
Get full text
Article -
4205
Shear Behavior of RC Beams Strengthened by External Vertical Prestressing Rebar
Published 2021-01-01“…The objectives of this study are to simulate EVPR strengthening of concrete beams using a nonlinear three-dimensional finite element model and to explore its shear enhancement features under different EVPR stirrup ratios, vertical compressive stress degrees, and optimal arrangements of EVPRs. …”
Get full text
Article -
4206
Translation Invariance-Based Deep Learning for Rotating Machinery Diagnosis
Published 2020-01-01“…Although deep learning algorithms can automatically learn a good set of features without manual intervention, the lack of domain knowledge greatly limits the performance improvement, especially for nonstationary and nonlinear signals. This paper develops a multiscale information fusion-based stacked sparse autoencoder fault diagnosis method. …”
Get full text
Article -
4207
A Review of Optical Interferometry for High-Precision Length Measurement
Published 2024-12-01“…With regard to discussion on enhancement of measurement precision, special attention is given to periodic nonlinear errors and phase demodulation methods. This review offers insights into current challenges and potential future directions for improving interferometric measurement systems, and also emphasizes the role of innovative technologies in advancing precision metrology technology.…”
Get full text
Article -
4208
Fast Transient Thermal Analysis of Non-Fourier Heat Conduction Using Tikhonov Well-Conditioned Asymptotic Waveform Evaluation
Published 2014-01-01“…The non-Fourier heat conduction has been investigated where the maximum likelihood (ML) and Tikhonov regularization technique were used successfully to predict the accurate and stable temperature responses without the loss of initial nonlinear/high frequency response. To reduce the increased computational time by Tikhonov WCAWE using ML (TWCAWE-ML), another well-conditioned scheme, called mass effect (ME) T-WCAWE, is introduced. …”
Get full text
Article -
4209
Novel Adaptive Bacteria Foraging Algorithms for Global Optimization
Published 2014-01-01“…In order to overcome such problems, novel linear and nonlinear mathematical relationships based on the index of iteration, index of bacteria, and fitness cost are adopted which can dynamically vary the step size of bacteria movement. …”
Get full text
Article -
4210
Suspended Load Path Tracking Control Strategy Using a Tilt-Rotor UAV
Published 2017-01-01“…An unscented Kalman filter (UKF) is designed for nonlinear state estimation of all the system states, assuming that available information is provided by noisy sensors with different sampling rates that do not directly measure the load’s attitude. …”
Get full text
Article -
4211
Distributed Analytical Formation Control and Cooperative Guidance for Gliding Vehicles
Published 2020-01-01“…The proposed method takes full consideration of the characteristics of hypersonic gliding vehicle, such as complex nonlinear dynamics, no thrust, and quasi-equilibrium gliding condition, and no online numerical iteration is needed, which is well applicable for hypersonic gliding vehicles. …”
Get full text
Article -
4212
Influence of Body Mass Index on Inflammatory Profile at Admission in Critically Ill Septic Patients
Published 2015-01-01“…We found that levels of epidermal growth factor, vascular endothelial growth factor, and interleukins 4, 5, and 13 were associated with BMI in a complex, nonlinear way, independently of illness severity. Higher BMI was associated with higher levels of anti-inflammatory interleukins. …”
Get full text
Article -
4213
Faults Detection Using Sliding Mode Observer and Its Application on Elevating Servo Systems
Published 2019-01-01“…In practice, model uncertainty, nonlinearities, unknown disturbance, and output noise present enormous challenges to conduct fault detection of the system. …”
Get full text
Article -
4214
Forecasting Daily Precipitation Using Hybrid Model of Wavelet-Artificial Neural Network and Comparison with Adaptive Neurofuzzy Inference System (Case Study: Verayneh Station, Naha...
Published 2014-01-01“…Recently artificial neural network (ANN) as a nonlinear interextrapolator is extensively used by hydrologists for precipitation modeling as well as other fields of hydrology. …”
Get full text
Article -
4215
Computational study of fluid forces over a cylinder attached with elastic beam: A finite element-based simulations
Published 2025-01-01“…This approach enables us to address the nonlinearities at each time step and apply direct, steady techniques. …”
Get full text
Article -
4216
Extraction of Weak Scatterer Features Based on Multipath Exploitation in Radar Imagery
Published 2017-01-01“…Modeling reflections from one target towards another as a transmitting dipole will add the multiple scattering effects to the scattering field and permit us to solve a linear inverse problem without sophisticated solutions of a nonlinear matrix in the forward model. Simulation results are presented to validate the concept.…”
Get full text
Article -
4217
Image Super-Resolution Using Lightweight Multiscale Residual Dense Network
Published 2020-01-01“…This method can not only reduce the redundancy of network parameters but also enhance the nonlinear mapping ability of the network at different scales. …”
Get full text
Article -
4218
RESEARCH ON THE OPTIMAL SYNTHESIS OF A MULTI-CONTOUR MECHANISM
Published 2024-11-01“…The synthesis of mechanisms is a complex field of study that includes, in addition to the knowledge necessary for the correct configuration of working mechanisms and those necessary for their analysis, knowledge from the field of nonlinear programming that involves the calculation of the extrema of an objective function, possibly subject to some constraints. …”
Get full text
Article -
4219
Modeling and Dynamic Analysis of Spherical Roller Bearing with Localized Defects: Analytical Formulation to Calculate Defect Depth and Stiffness
Published 2016-01-01“…The new dynamic model describes the contact forces between bearing rolling elements and race surfaces as nonlinear Hertzian contact deformations, taking radial clearance into account. …”
Get full text
Article -
4220
Multimodal Green Logistics Network Design of Urban Agglomeration with Stochastic Demand
Published 2019-01-01“…To describe the game behaviors of logistics authorities in urban agglomeration, the problem is formulated as two nonlinear bilevel programming models, namely, independent and centralized decision models. …”
Get full text
Article