Optimal Guaranteed Cost Control of a Class of Discrete-Time Nonlinear Systems with Markovian Switching and Mode-Dependent Mixed Time Delays by Yurong Liu, Hamid Reza Karimi, Xiaohui Liu

“…Moreover, a convex optimization approach is applied to search for the optimal guaranteed cost controller by minimizing the guaranteed cost of the closed-loop system. Numerical simulation is further carried out to demonstrate the effectiveness of the proposed methods.…”
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A MRAC Principle for a Single-Link Electrically Driven Robot with Parameter Uncertainties by Carlos Aguilar-Avelar, Javier Moreno-Valenzuela

“…The proposed control methodology addresses the problem of trajectory tracking with parameter uncertainties in the dynamic model of the system and proposes adaptation laws for the electrical and mechanical parameters. Closed-loop stability is rigorously discussed, proving that the tracking error trajectories converge to the origin exponentially. …”
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Adaptive Fuzzy Path Tracking Control for Mobile Robots with Unknown Control Direction by Qifei Du, Lin Sha, Wuxi Shi, Liankun Sun

“…It is proved that all the signals in the closed-loop system are bounded, and the tracking error converges to a small neighborhood of the origin in a limited time. …”
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PLL Based Energy Efficient PV System with Fuzzy Logic Based Power Tracker for Smart Grid Applications by G. Rohini, V. Jamuna

“…The soft-switching region of three-stage converter is increased with the proposed phase-locked loop based control strategy. The proposed strategy leads to reduction in the ripple content, rating of components, and switching losses. …”
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Modeling and Oil Contamination Influence Control of a Vehicle Mounted and Unbalanced Barrel Pitching System by Yuanbo Chu

“…Firstly, the overall model of barrel pitching system is established and its sensitivity analysis is conducted, and then the correction link and the pressure difference feedback loop are respectively designed to suppress the influence of unbalanced torque and road fluctuation. …”
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Adaptive Finite-Time Fault-Tolerant Control for Half-Vehicle Active Suspension Systems with Output Constraints and Random Actuator Failures by Jie Lan, Tongyu Xu

“…In addition, all the signals in the closed-loop systems can be guaranteed to be semiglobal finite-time stable in probability (SGFSP). …”
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Output Feedback Model Predictive Control for NCSs with Input Quantization by Hongchun Qu, Yu Li, Wei Liu

“…The proposed MPC schemes inherit the characteristics of the synthesis approach of MPC, guaranteeing the recursive feasibility of the optimization problem and the stability of a closed-loop system, and explicitly account for quantization error. …”
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Chattering-Free Sliding-Mode Control for Electromechanical Actuator with Backlash Nonlinearity by Dongqi Ma, Hui Lin, Bingqiang Li

“…A Lyapunov-based proof ensures the asymptotic stability and finite-time convergence of the closed-loop system. Experimental results have verified the effectiveness of the proposed method.…”
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Supporting Efficient Family Joins for Big Data Tables via Multiple Freedom Family Index by Qiang Zhu, Chao Zhu

“…The first is the direct method, which is inspired by the straightforward nested-loop strategy. The second is an index-based method, which utilizes a special index for HBase tables. …”
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Antioxidant Functions of the Aryl Hydrocarbon Receptor by Cornelia Dietrich

“…The aryl hydrocarbon receptor (AhR) is a transcription factor belonging to the basic helix-loop-helix/PER-ARNT-SIM family. It is activated by a variety of ligands, such as environmental contaminants like polycyclic aromatic hydrocarbons or dioxins, but also by naturally occurring compounds and endogenous ligands. …”
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Influence of the Selection of Reaction Curve’s Representative Points on the Accuracy of the Identified Fractional-Order Model by Juan J. Gude, Pablo García Bringas

“…This procedure is based on fitting three arbitrary points on the process reaction curve, where process information is obtained from a simple open-loop test. A simplification of the general identification procedure is also considered, where only points symmetrically located on the reaction curve are selected. …”
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Ultrasound diagnostics of the intestinal trauma by O. A. Alekseechkina, E. Ya. Dubrov

“…The diagnostics of the intestinal and mesenterial injuries in the closed abdominal trauma is based on the combination of the ultrasound signs – the free liquid in the abdominal space, the mass (hematoma) in the intestinal mesentery, the local thickening of the intestinal wall with the minimal quantity of the free liquid inter loops, the peritonitis signs.…”
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On Simple Graphs Arising from Exponential Congruences by M. Aslam Malik, M. Khalid Mahmood

“…The number of nontrivial self-loops of the graph G(n) has been determined and shown to be equal to ∏i=1r(ϕ(piki)+1). …”
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Study on Angular Free Vibration Stability and Parameters Influence of Dry Gas Seal Based on the Characteristic Equation by Liming Teng, Jinbo Jiang, Xudong Peng, Jiyun Li, Simin Zheng

“…The effects of rotational inertia, stiffness and damping parameters on the angular free vibration stability of dry gas seal are analyzed by using the root locus method and the concept of the closed-loop dominant pole. The results show that the constraint condition of rotational inertia is the most demanding of all stability conditions. …”
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Electromagnetic deformable mirror fabricated using silicon micromachining and stress-resilient assembly by Wenkuan (Kevin) Man, Thomas Bifano

“…Prescribed references shapes were made on the prototype deformable mirror using closed-loop control.Discussion: While the simplified DM produced in this work has only 19 actuators and therefore has limited capacity to control complex shapes, the design and fabrication processes described and demonstrated in this work provide a promising approach to development of high-stroke magnetic DMs.…”
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RETRACTED: Parallel Encryption With Digit Arithmetic Of Covertext Model Using Duplicated Covertext by Hari Murti, Edy Supriyanto, Rara Redjeki, Eka Ardhianto

“…The proposed model adopts the repeated use of covertext. Covertext loops applied in PDAC can process information security. …”
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Molecular Mechanisms Regulating Hepcidin Revealed by Hepcidin Disorders by Clara Camaschella, Laura Silvestri

“…Disruption of these regulatory loops leads to genetic diseases characterized by iron deficiency (iron-refractory iron-deficiency anemia) or iron overload (hemochromatosis). …”
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Bursting Oscillations in Shimizu-Morioka System with Slow-Varying Periodic Excitation by Xindong Ma, Shuqian Cao

“…Second, complicated dynamic behaviors are analyzed when the slow-varying parameter passes through different bifurcation points, of which the mechanisms of four different bursting patterns, namely, symmetric “homoclinic/homoclinic” bursting oscillation, symmetric “fold/Hopf” bursting oscillation, symmetric “fold/fold” bursting oscillation, and symmetric “Hopf/Hopf” bursting oscillation via “fold/fold” hysteresis loop, are revealed with different values of the parameter b by means of the transformed phase portrait. …”
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Experimental Research on Automatic Alignment and Control Algorithm of Spatial Light-Fiber Coupling by Xizheng Ke, Benkang Yin

“…The results show that the use of the SPGD algorithm can realize the automatic alignment of fiber position coupling, and the SMF coupling efficiency reaches 52.58% when the system is closed loop. 2D piezoelectric ceramic fiber couplers have unique advantages of low cost, simplified structure, and easy array expansion and can effectively solve the difficulty in the alignment of spatial light-SMF coupling. …”
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Cellular Origin of Spontaneous Ganglion Cell Spike Activity in Animal Models of Retinitis Pigmentosa by David J. Margolis, Peter B. Detwiler

“…The recurrent synaptic activity may arise in a negative feedback loop between a bipolar cell and an amacrine cell that exhibits resonant behavior and oscillations in membrane potential when the normal balance between excitation and inhibition is disrupted by the absence of photoreceptor input.…”
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