Littérature scientifique sur le sujet « Delayed-rational model »

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Articles de revues sur le sujet "Delayed-rational model"

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Alter, David M., et Tsu-Chin Tsao. « Two-Dimensional Exact Model Matching With Application to Repetitive Control ». Journal of Dynamic Systems, Measurement, and Control 116, no 1 (1 mars 1994) : 2–9. http://dx.doi.org/10.1115/1.2900677.

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This paper concerns matching a system with time-delayed feedback to a rational transfer function model and its application to repetitive controller design. Necessary and sufficient conditions on the order of the plant, reference model, and controller are obtained for the existence of causal and stabilizing exact model matching solutions. The results are applied to robust repetitive controller design, in which a delayed feedback is introduced in the repetitive controller for rejecting periodic disturbances while simultaneously achieving input-output model matching. Furthermore, the 2-D model matching method also renders computationally efficient solutions. Also addressed are some subtle points on the selection of a low-pass filter required for robust stability. Finally, the approach is experimentally applied for turning noncircular shapes.
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Clatch, Lauren, et Eugene Borgida. « Behavioral Economics in Plea-Bargain Decision-Making : Beyond the Shadow-of-Trial Model ». Review of Law & ; Economics 17, no 2 (1 juillet 2021) : 349–83. http://dx.doi.org/10.1515/rle-2021-0069.

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Abstract Legal scholars have long assumed that plea bargains are contracts negotiated between rational actors who adhere to the dictates of the normative shadow-of-trial model. The two key features that rational actors presumably haggle over in the shadow of trial are the criminal charge (and associated sentence) and the probability of trial conviction. The behavioral economics theory of discounting, however, offers a theoretical foundation for testing the shadow-of-trial model. This article summarizes findings from experimental discounting studies in behavioral economics and psychological science – showing that these paradigms can be successfully applied to the plea-bargaining decision context wherein the likelihood of trial is uncertain and delayed, and the plea bargain is relatively certain and immediate. We suggest that the implications of applying discounting to plea bargaining are three-fold: (1) empirical evidence suggests that the shadow-of-trial model is too narrow; (2) the discounting of non-monetary losses may involve slightly different psychological processes than contexts involving monetary outcomes; and (3) probability of conviction and delay until trial constitute situational features that elicit guilty pleas despite a defendant’s factual innocence.
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Zhang, Zili, Jing Chen et Yawen Mao. « Ridge regression and lasso regression based least squares algorithm for a time-delayed rational model via redundant rule ». International Journal of Modelling, Identification and Control 40, no 1 (2022) : 11. http://dx.doi.org/10.1504/ijmic.2022.124075.

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Zhang, Zili, Jing Chen et Yawen Mao. « Ridge regression and lasso regression based least squares algorithm for a time-delayed rational model via redundant rule ». International Journal of Modelling, Identification and Control 40, no 1 (2022) : 11. http://dx.doi.org/10.1504/ijmic.2022.10048798.

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Ma, Junhai, et Hongliang Tu. « Complexity of a Duopoly Game in the Electricity Market with Delayed Bounded Rationality ». Discrete Dynamics in Nature and Society 2012 (2012) : 1–13. http://dx.doi.org/10.1155/2012/698270.

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According to a triopoly game model in the electricity market with bounded rational players, a new Cournot duopoly game model with delayed bounded rationality is established. The model is closer to the reality of the electricity market and worth spreading in oligopoly. By using the theory of bifurcations of dynamical systems, local stable region of Nash equilibrium point is obtained. Its complex dynamics is demonstrated by means of the largest Lyapunov exponent, bifurcation diagrams, phase portraits, and fractal dimensions. Since the output adjustment speed parameters are varied, the stability of Nash equilibrium gives rise to complex dynamics such as cycles of higher order and chaos. Furthermore, by using the straight-line stabilization method, the chaos can be eliminated. This paper has an important theoretical and practical significance to the electricity market under the background of developing new energy.
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Jackson, Mary, Susan W. Phalen, Micheline Lagranderie, Danielle Ensergueix, Pierre Chavarot, Gilles Marchal, David N. McMurray, Brigitte Gicquel et Christophe Guilhot. « Persistence and Protective Efficacy of aMycobacterium tuberculosis Auxotroph Vaccine ». Infection and Immunity 67, no 6 (1 juin 1999) : 2867–73. http://dx.doi.org/10.1128/iai.67.6.2867-2873.1999.

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ABSTRACT New vaccines against tuberculosis are urgently required because of the impressive incidence of this disease worldwide and the highly variable protective efficacy of the current vaccine. The possibility of creating new live vaccines by the rational attenuation of strains from the Mycobacterium tuberculosis complex was investigated. Two auxotrophic mutants of M. tuberculosis and M. bovis BCG were constructed by disruption of one of their purine biosynthetic genes. These mutants appeared unable to multiply in vitro within mouse bone-marrow derived macrophages. They were also attenuated in vivo in the mouse and guinea pig animal models. In guinea pigs, the two mutants induced strong delayed-type hypersensitivity response to purified protein derivative. In a preliminary experiment, the two mutants were compared to the BCG vaccine for their protective efficacy in a challenge against aerosolized virulent M. tuberculosisin the guinea pig model. Both mutants conferred some level of protection. These experiments demonstrate that the rational attenuation of M. tuberculosis could lead to the design of new candidate live vaccines against tuberculosis.
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Sun, Yuancheng, et Zhanhong Liang. « Fault Diagnosis and Fault Tolerant Control for Non-Gaussian Singular Time-Delayed Stochastic Distribution Systems with Disturbance Based on the Rational Square-Root Model ». Journal of Control Science and Engineering 2016 (2016) : 1–11. http://dx.doi.org/10.1155/2016/9563481.

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For the non-Gaussian singular time-delayed stochastic distribution control (SDC) system with unknown external disturbance where the output probability density function (PDF) is approximated by the rational square-root B-spline basis function, a robust fault diagnosis and fault tolerant control algorithm is presented. A full-order observer is constructed to estimate the exogenous disturbance and an adaptive observer is used to estimate the fault size. A fault tolerant tracking controller is designed using the feedback of distribution tracking error, fault, and disturbance estimation to let the postfault output PDF still track desired distribution. Finally, a simulation example is included to illustrate the effectiveness of the proposed algorithms and encouraging results have been obtained.
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Zybała, Andrzej. « Wokół kultury umysłowej w Polsce — jej źródła i przejawy ». Kultura i Społeczeństwo 61, no 4 (10 octobre 2017) : 103–23. http://dx.doi.org/10.35757/kis.2017.61.4.6.

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The author defines intellectual culture as a tendency to base decisions on objective analyses or the habit of investigating issues analytically. In the broader sense, intellectual culture may be considered to be the way the collective reacts to phenomena that appear in the real world. A high level of intellectual culture, in the author’s opinion, is shown by a modern form of thinking manifested in the ability to make use of abstracts and to take into account alternative systems of constructing opinions. On the basis of selected analyses of Polish scholars the author advances the hypothesis that Poland has failed to form proper institutional mechanisms favoring rational analysis in public life. The author demonstrates that this is the result of many factors, such as the long-lasting model of Sarmatian customs (including its providentialism), the strong and lasting influence of a radical form of romanticism, and also the nugatory influence of Enlightenment and positivist models. These factors have been accompanied by the unsuitability of educational and scholarly institutions, the delayed development of modern forms of economics, which force the use of rational calculations, and a structure of society that does not favor exchanges of ideas and deliberation.
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Prokhorchenko, Andrii, Dmytro Gurin, Iryna Lahuta et Viktoriia Sunytska. « IMPROVEMENT OF THE PROCEDURE FOR SEARCHING RATIONAL TIME RESERVES FOR RECOVERY OF TRAIN MOVEMENT OF DIFFERENT CATEGORIES ». Collected scientific works of Ukrainian State University of Railway Transport, no 193 (5 octobre 2021) : 44–53. http://dx.doi.org/10.18664/1994-7852.193.2020.229812.

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This article improves the procedure for finding rational time reserves for theresumption of trains of different categories depending on the number of detained trains on the basisof the epidemiological SIR-model. A modified epidemiological SIR-model has been implemented forthe experimental railway line, which allows to take into account the interaction of trains of differentpriorities in the train schedule and the possibility of resumption of delayed trains due to the set timereserve. The adjustment of the delay rate transfer coefficients on the real data of train delays at theline has been performed. The solution of the system of differential equations of the SIR-model isproposed to be performed by the numerical Runge-Kutta method of the 4th order. Experimentalstudies of the impact of passenger train delays on the reliability of the regulatory schedule havebeen conducted. Experimental studies of the impact of passenger train delays on the reliability ofthe regulatory schedule have been conducted. The dependences of the number of detained trains ofdifferent categories on the change in the amount of time reserve for the resumption of trains ofdifferent categories are obtained. Rational time reserves for passenger, suburban and freight trainshave been established. These results were expertly assessed and confirm the adequacy of theobtained decisions in the practice of developing a regulatory schedule of trains at JSCUkrzaliznytsia. The application of the proposed approach will automate the complex process offinding rational values of compensation time in the threads of trains of different categories on therailway line and, as a consequence, increase the level of reliability of the regulatory train schedule.
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Sidenev, D. M., S. A. Savelyev, A. R. Valieva, A. R. Gaysina et R. G. Khasanov. « Improving the Efficiency of the Heat Exchange Network of the Delayed Coking Plant ». Chemistry and Technology of Fuels and Oils 631, no 3 (2022) : 22–26. http://dx.doi.org/10.32935/0023-1169-2022-631-3-22-26.

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Thermal integration of technological processes of oil refining is the most effective tool in the design and reconstruction of existing industrial facilities. The rational use of the heat of internal flows is especially important for energy-intensive processes of processing heavy oil residues, such as delayed coking. In this article, a model of the existing heat exchange network of the coke production process was constructed, for which a pinch analysis was carried out and the energy saving potential was determined. The analysis also revealed violations of the basic pinch rules made during the design of the existing circuit and proposed an option to increase its energy efficiency based on the re-linking of existing equipment without involving an additional heat exchange surface.
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Thèses sur le sujet "Delayed-rational model"

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TREVISO, FELIPE. « Modeling for the Computer-Aided Design of Long Interconnects ». Doctoral thesis, Politecnico di Torino, 2022. https://hdl.handle.net/11583/2973429.

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Actes de conférences sur le sujet "Delayed-rational model"

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Aumuller, John J., Jie Chen et Vincent A. Carucci. « A Rational Methodology for Determination of Service Life for a Delayed Coker Drum ». Dans ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45028.

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Delayed unit coker drums operate in a severe service environment that precludes long term reliability due to excessive shell bulging and cracking of shell joint and shell to skirt welds. Thermal fatigue is recognized as the leading damage mechanism and past work has provided an idealized description of the thermo-mechanical mechanism via local hot and cold spot formation to quantify a lower bound life estimate for shell weld failure. The present work extends this idealized thermo-mechanical damage model by evaluating actual field data to determine a potential upper bound life estimate. This assessment also provides insight into practical techniques for equipment operators to identify design and operational opportunities to extend the service life of coke drums for their specific service environments. A modern trend of specifying higher chromium and molybdenum alloy content for drum shell material in order to improve low cycle fatigue strength is seen to be problematic; rather, the use of lower alloy materials that are generally described as fatigue tough materials are better suited for the high strain-low cycle fatigue service environment of coke drums. Materials such as SA 204 C (C – ½ Mo) and SA 302 B (C – Mn – ½ Mo) or SA 302 C (C – Mn – ½ Mo – ½ Ni) are shown to be better candidates for construction in lieu of low chromium alloy steel materials such as SA 387 grades P11 (1¼ Cr – ½ Mo), P12 (1 Cr – ½ Mo), P22 (2¼ Cr – 1 Mo) and P21 (3 Cr – 1 Mo).
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Pietarila, Kristel M., et Roger Fales. « Developing and Automating Time Delay System Stability Analysis of Machinery Systems Using the Matrix Lambert W Function Method ». Dans ASME 2008 Dynamic Systems and Control Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/dscc2008-2246.

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Stability analysis of time delayed (TD) systems is not easy to conduct since the addition of delays within a dynamic model results in irrational system equations. Traditional analysis methods involve adding model approximates representing delays. These approximates make the system equations rational, but can drive stable TD systems to instability as approximate accuracy is improved. A more advanced method would be an invaluable tool for simplifying the stability analysis procedure for TD systems. A new method for analyzing TD system stability without adding TD approximates to the system has been presented by Asl et al. [1, 2]. This method involves using the Lambert W function to obtain analytic solutions for a set of delay differential equations. The research presented in this paper discusses the development and automation of TD system stability analysis for a complex machinery system utilizing this new method, the matrix Lambert W (MLW) function TD stability analysis method.
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