Stability analysis and controller parameter optimization method for ship power electronic propulsion system based on Middlebrook criterion by Chenghu XU, Weibo LI, Hao ZHANG, Zhiming PENG, Hualiang FANG

“…Objective Aiming at the stability problem of naval DC propulsion systems with a significant proportion of power electronic devices, a stability analysis and controller parameter optimization method based on the Middlebrook impedance ratio stability criterion is proposed.MethodFirst, the small-signal output impedance of the DC bus and small-signal input impedance of the inverter and motor are deduced and established through the simplification of the system model, linearization of the nonlinear system, dq transformation of the three-phase AC system, etc. …”
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Achieving comprehensive water productivity improvement: A multi-objective simulation-optimization model for water productivity-oriented irrigation water management by Gang Li, Chenglong Zhang, Zailin Huo, Yanqi Liu

“…In this study, a multi-objective simulation-optimization model is established for maximizing irrigation water productivity (IWP), economic water productivity (EWP), and nutritional water productivity (NWP) concurrently. …”
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Data-Driven Approximated Optimal Control of Sulfur Flotation Process by Mingfang He

“…By learning from the online production data, an initial admissible control policy iteratively converges to an approximated optimal control law, and the dependence of optimal control design on the full model knowledge is eliminated. …”
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Optimal Control of Multiagent Decision-Making Based on Competence Evolution by Hongjing Chen, Chunhua Hu, Zhi Huang

“…We employ the theory of rarefied gas dynamics and optimal control to investigate the kinetic model of decision-making. …”
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Optimal control analysis of malaria-schistosomiasis co-infection dynamics by Kazeem Oare Okosun, Robert Smith?

“…Furthermore, we found that effective treatment and prevention of schistosomiasis infection would also assist in the effective control and eradication of malaria. Finally, we apply Pontryagin's Maximum Principle to the model in order to determine optimal strategies for control of both diseases.…”
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Mathematical Simulation of Optimal Control Measures to Avoid Chickenpox Infection by Nada A. Almuallem, Hegagi Mohamed Ali, Essam M. Elsaid, Mohamed R. Eid, W. S. Hassanin

“…We enhance the model by introducing optimal control measures using two time-dependent control variables: prevention measures like vaccination and movement constraints, and isolation measures like quarantine. …”
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Resurgence in focus: Covid-19 dynamics and optimal control frameworks by Evans O. Omorogie, Kolade M. Owolabi, Bola T. Olabode, Tunde T. Yusuf, Edson Pindza

“…The Lyaponov function and Jacobian matrix techniques were used to analyze the stability of the model's equilibria. The model was transformed into a problem of optimal control with time-dependent variables, aimed at managing efforts to prevent the spread of Covid-19. …”
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Multi-objective optimization of HESS control for optimal frequency regulation in a power system with RE penetration by Ousama M.T. Ajami, Rodney H.G. Tan, Mithulan Nadarajah, Farah Adilah Jamaludin, Adlan Bagus Pradana

“…The three control models considered for the HESS incorporate Virtual Synchronous Generator (VSG) or Virtual Inertia (VI) control with independent or simultaneous optimization of control parameters. …”
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Inverse methods and integral-differential model demonstration for optimal mechanical operation of power plants – numerical graphical optimization for second generation of tribology... by Casesnoves Francisco

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Optimal control for system of stochastic differential equations with Lévy jumps by Md. Abdullah Bin Masud, Mostak Ahmed

“…In the case of negative Lévy jumps (representing sudden quarantine or lockdown), the maximum number of infected individuals is reduced by approximately 13.4%, and the total control cost is reduced by 31.9%. The positive jump significantly amplifies infection peaks and alters optimal control paths, underscoring its critical role in epidemic modeling. …”
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Research on Efficiency of Hybrid Power System and Optimization of Control Strategy by Hongyu Zhu, Peng Hao, Guozhi Liu, Wei Xu, Haisheng Xu

“…In order to improve the fuel economy of the power diffluence hybrid vehicle，a physical model of the hybrid system and a system control model are established. …”
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Application of Optimal Control Method to Path Tracking Problem of Vehicle by Yingjie Liu, Enhao Wang

“…Firstly, a nonlinear 4-DOF vehicle model is established. Secondly, the path optimization problem of vehicle is transformed into a nonlinear programming problem(NLP) by discretizing both control variables and state variables using the local collocation method. …”
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Data Enabled Predictive Control for Water Distribution Systems Optimization by Gal Perelman, Avi Ostfeld

“…The technique employs a finite set of input‐output samples (control settings and measured data) to learn an unknown system's behavior and derive optimal policies, effectively bypassing the need for an explicit mathematical model of the system. …”
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Data-driven continuous-time Hammerstein modeling with missing data using improved Archimedes optimization algorithm by Muhammad Shafiqul Islam, Mohd Ashraf Ahmad

Subjects: “…Data-driven Hammerstein modeling…”
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Constrained Fuzzy Predictive Control Using Particle Swarm Optimization by Oussama Ait Sahed, Kamel Kara, Mohamed Laid Hadjili

“…Moreover, the choice of the initial best position is based on prior knowledge about the search space landscape and the fact that in most practical applications the dynamic optimization problem changes are gradual. The efficiency of the proposed control algorithm is evaluated by considering the control of the model of a 4 × 4 Multi-Input Multi-Output industrial boiler. …”
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Optimal Covid-19 Control on Effectiveness of Detection Campaign and Treatment by Mouhamadou A. M. T. Baldé, Sidy Ly, Léna Tendeng

“…We prove the global stability of the Disease-Free Equilibrium (DFE) and the existence of optimal control and trajectories of the model. In the optimal control problem, we bring the system back to the DFE. …”
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Voltage and frequency regulation in wind penetrated deregulated power system using an electric vehicle and IPFC assisted model predictive controller by Vineet Kumar, Vineet Kumar, Ark Dev

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A Distributed Consensus Scenario Approach to Optimization and Control With Uncertainties by Jing Wang, Steven Drager

“…We provide rigorous convergence analysis and demonstrate the effectiveness of our approach through application examples in regression and robust internal model control. This work presents a significant step towards holistic solutions for optimization in safety-critical multiagent systems.…”
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Optimal Design for the Passive Control of Vibration Based on Limit Cycles by Rafael A. Rojas, Erich Wehrle, Renato Vidoni

“…The optimal design of damping parameters for passive vibration control remains a challenge for both research and industrial applications. …”
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An age-dependent hybrid system for optimal contraception control of vermin by Xin Yi, Rong Liu

“…This paper discusses the optimal contraception control problem for vermin. …”
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