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Article
A novel multi-objective tuning strategy for model predictive control in trajectory tracking
Accuracy and efficiency are two important performances of model predictive control in trajectory tracking and they are seriously affected by the control parameters of model predictive control. To make the mode...
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Article
Kinetic model for CCR catalytic reforming based on industrial data
CCR (catalyst continuous regeneration) catalytic reforming is one of the main processes in refineries in which high-octane gasoline and aromatics such as benzene, toluene, and xylene are produced. To meet the ...
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Article
Open AccessAssociation between allostatic load and adverse outcomes among older patients with heart failure with preserved ejection fraction
The allostatic load (AL) refers to the cumulative weakening of multiple physiological systems caused by repeated adaptation of the body to stressors There are still no studies have focused on the association b...
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Article
Open AccessPreliminary clinical observation of double C-arm digital subtraction angiography guidance during transjugular intrahepatic portosystemic shunt placement
This study aimed to investigate the safety, preliminary clinical experience, and technical advantages of double C-arm digital subtraction angiography -assisted portal vein puncture for transjugular intrahepati...
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Article
Open AccessWaist to height ratio is associated with an increased risk of mortality in Chinese patients with heart failure with preserved ejection fraction
Abdominal obesity as a predominant comorbidity has played a key role in the incidence and worsening of heart failure with preserved ejection fraction (HFpEF), and waist-to-height ratio (WHtR) behaves better th...
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Article
Open AccessPrognostic value of soluble suppression of tumorigenesis-2 (sST2) for cardiovascular events in coronary artery disease patients with and without diabetes mellitus
Soluble suppression of tumorigenesis-2 (sST2) is implicated in myocardial overload and has long been recognized as an inflammatory marker related to heart failure and acute coronary syndrome, but data on the p...
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Article
An investigation on design of signs in composite laminates to control bending-twisting coupling effects using sign optimization algorithm
A sign optimization algorithm (SOA) is proposed to design the “±” signs in composite laminates to control the bending-twisting coupling effects. Owing to that the bending-twisting coupling stiffness are cubic ...
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Article
Develo** an Instantaneous Response Surface Method t-IRS for Time-Dependent Reliability Analysis
In practical engineering, many uncertain factors in loading or degradation of material properties may vary with time. Stochastic process modeling constitutes a suitable approach for describing these time-depen...
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Article
Variable-stiffness composite cylinder design under combined loadings by using the improved Kriging model
The large design freedom of variable-stiffness (VS) composite material presupposes its potential for wide engineering application. Previous research indicates that the design of VS cylindrical structures helps...
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Article
Constrained-manufacturable stacking sequence design optimization using an improved global shared-layer blending method and its 98-line Matlab code
An improved global shared-layer blending method (GSLB) is suggested to address the constrained-manufacturable stacking sequence design optimization problem of tapered composite structures. First, the mathemati...
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Article
A cooperative PSO-DP approach for the maintenance planning and RBDO of deteriorating structures
Maintenance planning of structures constitutes a multiple stage decision-making process. Different maintenance strategies will produce various reliability profiles throughout the entire lifetime of structures ...
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Article
Application of Surrogate Based Particle Swarm Optimization to the Reliability-Based Robust Design of Composite Pressure Vessels
A surrogate based particle swarm optimization (SBPSO) algorithm which combines the surrogate modeling technique and particle swarm optimization is applied to the reliability-based robust design (RBRD) of compo...
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Article
Reliability-based design of composites under the mixed uncertainties and the optimization algorithm
This paper proposed a reliability design model for composite materials under the mixture of random and interval variables. Together with the inverse reliability analysis technique, the sequential single-loop o...
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Article
Fuzzy reliability-based optimum design of laminated composites
In conventional reliability-based optimum design of structures, the reliability is computed based on the probability assumption, and the design objective and constraint are considered as deterministic ones. In...
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Article
Distribution of dislocations at a mode I crack tip and their shielding effect
Distribution of dislocations at a finite mode I crack tip is formulated. Closed form solutions for the dislocation distribution function, the dislocation-free zone (DFZ), the local stress intensity factor and ...
