The Effect of Grinding Media on Mineral Breakage Properties of Magnetite Ores by Liang Si, Yijun Cao, Guixia Fan

“…When ground products present a much coarse or much fine particle size distribution, the separation process will suffer, resulting in inefficient recovery of useful minerals. Optimal control of the particle size distribution of the products is therefore essential, but the complexity and randomness of ball mill grinding make it difficult to determine the appropriate ball size. …”
Get full text

Dynamic Decoupling Control Optimization for a Small-Scale Unmanned Helicopter by Rui Ma, Li Ding, Hongtao Wu

“…Comparison results from an attitude tracking simulation against wind disturbance show the significant advantages of the proposed optimization control for this control application.…”
Get full text

Feedforward and Feedback Vibration Control and Algorithm Design for Cable-Bridge Structure Nonlinear Systems by Yan-Jun Liang, Shi-Liang Wu, De-Xin Gao, Xiao-Rong Xue

“…In order to reduce buffeting loading influence of the wind-induced vibration for the structure and improve the robust performance of the vibration control, based on semiactive vibration control devices and optimal control approach, a feedforward and feedback optimal vibration controller is designed, and an algorithm is presented for the vibration controller. …”
Get full text

New approach to modeling of antiangiogenic treatment on the basis of Hahnfeldt et al. model by Jan Poleszczuk, Marek Bodnar, Urszula Foryś

“…model, with the usage of the optimal control theory, some protocols of antiangiogenic treatment were proposed. …”
Get full text

Adaptive Control of Space Robot Despinning Tumbling Target Using Flexible Brushes by Shengxin Sun, Cheng Wei, Zhuoran Huang, Hao Wu, Haibo Zhang, Jianchun Lu, Yan Du

“…The dynamics model of the flexible brush is established using the absolute nodal coordinate method (ANCF), and its contact collision with the solar wing of the tumbling target is analysed. The H∞ optimal control is proposed for a seven-degree-of-freedom robotic arm during despinning of a tumbling target while ensuring the global robustness and stability. …”
Get full text

Boost Converters’ Proximate Constrained Time-Optimal Sliding Mode Control Based on Hybrid Switching Model by Asghar Taheri, Amir Ghasemian, Hai-Peng Ren

“…It is well known in the literature studies that the theoretical time-optimal control of boost converters can be achieved using switching surfaces based on the converter’s natural state trajectories. …”
Get full text

Adaptive Robust Quadratic Stabilization Tracking Control for Robotic System with Uncertainties and External Disturbances by Jinzhu Peng, Yan Liu

“…The hybrid scheme combines computed torque controller (CTC) with an adaptive robust compensator, in which variable structure control (VSC) and H∞ optimal control approaches are adopted. The uncertain robot manipulator is mainly controlled by CTC, the VSC is used to eliminate the effect of the uncertainties and ensure global stability, and H∞ approach is designed to achieve a certain tracking performance of closed-loop system. …”
Get full text

A Multilevel Inverter Bridge Control Structure with Energy Storage Using Model Predictive Control for Flat Systems by Paolo Mercorelli

“…The main contribution of this paper is the design of an optimal control structure that guarantees a capacitor recharge. …”
Get full text

Design of Flight Control System for a Novel Tilt-Rotor UAV by Zaibin Chen, Hongguang Jia

“…To deal with the actuator saturation and uncertain disturbance problems for the novel TRUAV, an improved flight control law based on the combination of the robust servo linear quadratic regulator (RSLQR) optimal control and the extended state observer (ESO) is proposed. …”
Get full text

Impulsive Control and Synchronization of Complex Lorenz Systems by Shaban Aly, Ali Al-Qahtani, Houari B. Khenous, Gamal M. Mahmoud

“…Nonlinear systems involving impulse effects, appear as a natural description of observed evolution phenomena of several real world problems; For example, many biological phenomena involving thresholds, bursting rhythm models in medicine and biology, optimal control models in economics, population dynamics and so forth do exhibit impulsive effects. …”
Get full text

The Credit Asset of Enterprise Accounts Receivable Pricing Model by Deshun Xu, Junhai Ma

“…The model is also utilized with the optimal control management Technology (T) to maximize the intrinsic value of the credit asset. …”
Get full text

Joint Quality Investment and Inventory Decisions for Perishable Items with Reference Quality Effect under the O2O Environment by Yuan Li, Yumei Hou

“…A joint dynamic quality investment and inventory replenishment problem for perishable items with consideration of reference quality effect is investigated, where the retailer sells its products using a combination of the offline and online stores, and the sales function is sensitive to products’ quality and consumers’ reference quality. The optimal control model is established to maximize the retailer’s total profit by making a joint quality and inventory strategy. …”
Get full text

Numerical Approximation of Riccati Fractional Differential Equation in the Sense of Caputo-Type Fractional Derivative by Xin Liu, Kamran, Yukun Yao

“…The Riccati differential equation is a well-known nonlinear differential equation and has different applications in engineering and science domains, such as robust stabilization, stochastic realization theory, network synthesis, and optimal control, and in financial mathematics. In this study, we aim to approximate the solution of a fractional Riccati equation of order 0<β<1 with Atangana–Baleanu derivative (ABC). …”
Get full text

Active Control Optimization for Minimizing the Dynamic Response of Functionally Graded Plate by M. E. Fares, M. Kh. Elmarghany, Doaa Atta

“…Numerical results for the optimal control force and the total energy for a simply supported FG plate are given. …”
Get full text

Experimental Analysis of an Active Vibration Frequency Control in Gearbox by Han Wang, Feng Zhang, Haiyan Li, Wenhao Sun, Shunan Luo

“…According to the control law of PID parameters, a fuzzy inference module was designed to adaptively adjust the PID parameters to obtain the optimal control effect. An experimental platform was set up to verify the control effect of the algorithm. …”
Get full text

Dynamics of COVID-19 Using SEIQR Epidemic Model by N. Avinash, G. Britto Antony Xavier, Ammar Alsinai, Hanan Ahmed, V. Rexma Sherine, P. Chellamani

“…We have developed an optimal control problem for a discrete-time, deterministic susceptible class (S), exposed class (E), infected class (I), quarantined class (Q), and recovered class (R) epidemic with a finite time horizon. …”
Get full text

The Multi-Period Dynamic Optimization with Carbon Emissions Reduction under Cap-and-Trade by Baiyun Yuan, Bingmei Gu, Chunming Xu

“…Using discrete-time optimal control theory, the optimal emission reduction strategies for each period are firstly explored for maximizing the sum of net profit under cap-and-trade. …”
Get full text

The interplay between models and public health policies: Regional control for a class of spatially structured epidemics (think globally, act locally) by Vincenzo Capasso, Sebastian AniȚa

“…Particular attention is paid to recent analysis of optimal control problems related to spatially structured epidemics driven by environmental pollution. …”
Get full text

Dynamic Modeling and Control of Electromechanical Coupling for Mechanical Elastic Energy Storage System by Yang Yu, Zengqiang Mi

“…The theory of direct feedback linearization (DFL) is applied to decouple the nonlinear dynamic model and convert the developed model from nonlinear to linear. The optimal control theory is utilized to accomplish speed tracking control for the linearized system. …”
Get full text

Dynamic Credit Quality Evaluation with Social Network Data by Stanley Sewe, Philip Ngare, Patrick Weke

“…Further, we consider the case when the network information arrival times are random and solve stochastic optimal control problem for a lender having linear quadratic utility function.…”
Get full text