In the contemporary world of highly efficient technological development,fifth-generation technology(5G)is seen as a vital step forward with theoretical maximum download speeds of up to twenty gigabits per second(Gbps)...In the contemporary world of highly efficient technological development,fifth-generation technology(5G)is seen as a vital step forward with theoretical maximum download speeds of up to twenty gigabits per second(Gbps).As far as the current implementations are concerned,they are at the level of slightly below 1 Gbps,but this allowed a great leap forward from fourth generation technology(4G),as well as enabling significantly reduced latency,making 5G an absolute necessity for applications such as gaming,virtual conferencing,and other interactive electronic processes.Prospects of this change are not limited to connectivity alone;it urges operators to refine their business strategies and offers users better and improved digital solutions.An essential factor is optimization and the application of artificial intelligence throughout the general arrangement of intricate and detailed 5G lines.Integrating Binary Greylag Goose Optimization(bGGO)to achieve a significant reduction in the feature set while maintaining or improving model performance,leading to more efficient and effective 5G network management,and Greylag Goose Optimization(GGO)increases the efficiency of the machine learningmodels.Thus,the model performs and yields more accurate results.This work proposes a new method to schedule the resources in the next generation,5G,based on a feature selection using GGO and a regression model that is an ensemble of K-Nearest Neighbors(KNN),Gradient Boosting,and Extra Trees algorithms.The ensemble model shows better prediction performance with the coefficient of determination R squared value equal to.99348.The proposed framework is supported by several Statistical analyses,such as theWilcoxon signed-rank test.Some of the benefits of this study are the introduction of new efficient optimization algorithms,the selection of features and more reliable ensemble models which improve the efficiency of 5G technology.展开更多
To reduce the negative effects that conventional modes of transportation have on the environment,researchers are working to increase the use of electric vehicles.The demand for environmentally friendly transportation ...To reduce the negative effects that conventional modes of transportation have on the environment,researchers are working to increase the use of electric vehicles.The demand for environmentally friendly transportation may be hampered by obstacles such as a restricted range and extended rates of recharge.The establishment of urban charging infrastructure that includes both fast and ultra-fast terminals is essential to address this issue.Nevertheless,the powering of these terminals presents challenges because of the high energy requirements,whichmay influence the quality of service.Modelling the maximum hourly capacity of each station based on its geographic location is necessary to arrive at an accurate estimation of the resources required for charging infrastructure.It is vital to do an analysis of specific regional traffic patterns,such as road networks,route details,junction density,and economic zones,rather than making arbitrary conclusions about traffic patterns.When vehicle traffic is simulated using this data and other variables,it is possible to detect limits in the design of the current traffic engineering system.Initially,the binary graylag goose optimization(bGGO)algorithm is utilized for the purpose of feature selection.Subsequently,the graylag goose optimization(GGO)algorithm is utilized as a voting classifier as a decision algorithm to allocate demand to charging stations while taking into consideration the cost variable of traffic congestion.Based on the results of the analysis of variance(ANOVA),a comprehensive summary of the components that contribute to the observed variability in the dataset is provided.The results of the Wilcoxon Signed Rank Test compare the actual median accuracy values of several different algorithms,such as the voting GGO algorithm,the voting grey wolf optimization algorithm(GWO),the voting whale optimization algorithm(WOA),the voting particle swarm optimization(PSO),the voting firefly algorithm(FA),and the voting genetic algorithm(GA),to the theoretical median that would be expected that there is no difference.展开更多
Sinter quality prediction in iron ore sintering is a challenging computational modeling problem because of highly nonlinear process behavior,strong cross-variable interactions,and disturbances caused by changing opera...Sinter quality prediction in iron ore sintering is a challenging computational modeling problem because of highly nonlinear process behavior,strong cross-variable interactions,and disturbances caused by changing operating conditions.This study develops a data-driven multi-index soft-sensing framework for sinter quality prediction by combining feature selection and hierarchical model optimization.An improved binary Greylag Goose Optimization algorithm is first employed to identify a compact subset of informative variables,reducing redundancy and multicollinearity in the original process data.A hierarchical two-stage Greylag Goose Optimization strategy is then designed to optimize the hyperparameters of a support vector regression model through coarse-to-fine search,balancing global exploration and local refinement in the parameter space.The proposed framework is validated on three key sinter quality indices under consistent data partitioning and equal optimization budgets.Experimental results show that the method achieves coefficients of determination of 0.975,0.985,and 0.986 for yield,drum index,and RDI+3.15respectively,indicating strong predictive capability and robust generalization.Comparative experiments demonstrate that the proposed framework outperforms several representative baseline methods in terms of prediction accuracy and fitting performance.In addition,ablation analysis confirms the contribution of the hierarchical optimization mechanism to the overall model performance.The proposed framework offers an effective computational approach for multi-index quality modeling,online prediction,and intelligent decision support in complex industrial systems.展开更多
In this paper, a novel approach termed process goose queue (PGQ) is suggested to deal with real-time optimization (RTO) of chemical plants. Taking advantage of the ad-hoc structure of PGQ which imitates biologic natur...In this paper, a novel approach termed process goose queue (PGQ) is suggested to deal with real-time optimization (RTO) of chemical plants. Taking advantage of the ad-hoc structure of PGQ which imitates biologic nature of flying wild geese, a chemical plant optimization problem can be re-formulated as a combination of a multi-layer PGQ and a PGQ-Objective according to the relationship among process variables involved in the objective and constraints. Subsequently, chemical plant RTO solutions are converted into coordination issues among PGQs which could be dealt with in a novel way. Accordingly, theoretical definitions, adjustment rule and implementing procedures associated with the approach are explicitly introduced together with corresponding enabling algorithms. Finally, an exemplary chemical plant is employed to demonstrate the feasibility and validity of the contribution.展开更多
Owing to the significant increase in energy consumption,contemporary power systems are transitioning to a new standard characterized by enhanced access to renewable energy sources(RESs).RESs require interfaces to regu...Owing to the significant increase in energy consumption,contemporary power systems are transitioning to a new standard characterized by enhanced access to renewable energy sources(RESs).RESs require interfaces to regulate the power generation.Maximum power point tracking(MPPT)is a technique employed in solar photovoltaic(PV)systems to modify operational parameters to ensureoptimal extraction of power from solar panels.MPPT operates under fluctuating conditions such as sunlight intensity and temperature.An inverter is a device that transforms a direct current into a sinusoidal alternating current.A multilevel inverter(MLI)can be utilized for RESs in two distinct modes:power-generating mode(stand-alone mode)and compensator mode(STATCOM).Limited research has been conducted on the optimization of controller gains in response to variations in a single phase load,particularly reactive load variations,across several scenarios.This load may exhibit an imbalance;hence,a more robust optimization approach must be used to address this problem.This study presents a control system that incorporates an optimized auxiliary MPPT controller for a seven-level inverter.The system uses a sophisticated greylag goose optimization(GGO)random search algorithm combined with the MPPT technique.The main objective is to create a system that enhances performance under diverse and imbalanced loading scenarios by utilizing sophisticated optimization techniques that determine the optimal switching angles for a seven-level inverter.This approach aims to eliminate specific harmonics and achieve a low total harmonic distortion(THD).The inverter THD output voltage was used as the objective function,and the proposed method is particularly beneficial in agricultural settings.The proposed MPPT-based seven-level invertersystem was simulated using MATLAB.The proposed GGO algorithm achieved a minimal THD of 1.95%,surpassing methods such as salp swarm optimization(6.14%),artificial neural networks with fuzzy logic(5.9%),hybrid global selective algorithm(GSA)selective harmonic elimination(7.7%),and genetic algorithms with particle swarm optimization(10.84%),demonstrating its exceptional efficacy in improving power quality.展开更多
基金Princess Nourah bint Abdulrahman University Researchers Supporting Project Number(PNURSP2024R 308)。
摘要In the contemporary world of highly efficient technological development,fifth-generation technology(5G)is seen as a vital step forward with theoretical maximum download speeds of up to twenty gigabits per second(Gbps).As far as the current implementations are concerned,they are at the level of slightly below 1 Gbps,but this allowed a great leap forward from fourth generation technology(4G),as well as enabling significantly reduced latency,making 5G an absolute necessity for applications such as gaming,virtual conferencing,and other interactive electronic processes.Prospects of this change are not limited to connectivity alone;it urges operators to refine their business strategies and offers users better and improved digital solutions.An essential factor is optimization and the application of artificial intelligence throughout the general arrangement of intricate and detailed 5G lines.Integrating Binary Greylag Goose Optimization(bGGO)to achieve a significant reduction in the feature set while maintaining or improving model performance,leading to more efficient and effective 5G network management,and Greylag Goose Optimization(GGO)increases the efficiency of the machine learningmodels.Thus,the model performs and yields more accurate results.This work proposes a new method to schedule the resources in the next generation,5G,based on a feature selection using GGO and a regression model that is an ensemble of K-Nearest Neighbors(KNN),Gradient Boosting,and Extra Trees algorithms.The ensemble model shows better prediction performance with the coefficient of determination R squared value equal to.99348.The proposed framework is supported by several Statistical analyses,such as theWilcoxon signed-rank test.Some of the benefits of this study are the introduction of new efficient optimization algorithms,the selection of features and more reliable ensemble models which improve the efficiency of 5G technology.
基金funded by the Deanship of Scientific Research,Princess Nourah bint Abdulrahman University,through the Program of Research Project Funding After Publication,Grant No.(44-PRFA-P-48).
摘要To reduce the negative effects that conventional modes of transportation have on the environment,researchers are working to increase the use of electric vehicles.The demand for environmentally friendly transportation may be hampered by obstacles such as a restricted range and extended rates of recharge.The establishment of urban charging infrastructure that includes both fast and ultra-fast terminals is essential to address this issue.Nevertheless,the powering of these terminals presents challenges because of the high energy requirements,whichmay influence the quality of service.Modelling the maximum hourly capacity of each station based on its geographic location is necessary to arrive at an accurate estimation of the resources required for charging infrastructure.It is vital to do an analysis of specific regional traffic patterns,such as road networks,route details,junction density,and economic zones,rather than making arbitrary conclusions about traffic patterns.When vehicle traffic is simulated using this data and other variables,it is possible to detect limits in the design of the current traffic engineering system.Initially,the binary graylag goose optimization(bGGO)algorithm is utilized for the purpose of feature selection.Subsequently,the graylag goose optimization(GGO)algorithm is utilized as a voting classifier as a decision algorithm to allocate demand to charging stations while taking into consideration the cost variable of traffic congestion.Based on the results of the analysis of variance(ANOVA),a comprehensive summary of the components that contribute to the observed variability in the dataset is provided.The results of the Wilcoxon Signed Rank Test compare the actual median accuracy values of several different algorithms,such as the voting GGO algorithm,the voting grey wolf optimization algorithm(GWO),the voting whale optimization algorithm(WOA),the voting particle swarm optimization(PSO),the voting firefly algorithm(FA),and the voting genetic algorithm(GA),to the theoretical median that would be expected that there is no difference.
基金supported by National Natural Science Foundation of China(52074126)the Project of Yanzhao Iron and Steel Laboratory(25364004D)the Graduate Student Innovation Fund of North China University of Science and Technology(No.2026S27).
摘要Sinter quality prediction in iron ore sintering is a challenging computational modeling problem because of highly nonlinear process behavior,strong cross-variable interactions,and disturbances caused by changing operating conditions.This study develops a data-driven multi-index soft-sensing framework for sinter quality prediction by combining feature selection and hierarchical model optimization.An improved binary Greylag Goose Optimization algorithm is first employed to identify a compact subset of informative variables,reducing redundancy and multicollinearity in the original process data.A hierarchical two-stage Greylag Goose Optimization strategy is then designed to optimize the hyperparameters of a support vector regression model through coarse-to-fine search,balancing global exploration and local refinement in the parameter space.The proposed framework is validated on three key sinter quality indices under consistent data partitioning and equal optimization budgets.Experimental results show that the method achieves coefficients of determination of 0.975,0.985,and 0.986 for yield,drum index,and RDI+3.15respectively,indicating strong predictive capability and robust generalization.Comparative experiments demonstrate that the proposed framework outperforms several representative baseline methods in terms of prediction accuracy and fitting performance.In addition,ablation analysis confirms the contribution of the hierarchical optimization mechanism to the overall model performance.The proposed framework offers an effective computational approach for multi-index quality modeling,online prediction,and intelligent decision support in complex industrial systems.
摘要In this paper, a novel approach termed process goose queue (PGQ) is suggested to deal with real-time optimization (RTO) of chemical plants. Taking advantage of the ad-hoc structure of PGQ which imitates biologic nature of flying wild geese, a chemical plant optimization problem can be re-formulated as a combination of a multi-layer PGQ and a PGQ-Objective according to the relationship among process variables involved in the objective and constraints. Subsequently, chemical plant RTO solutions are converted into coordination issues among PGQs which could be dealt with in a novel way. Accordingly, theoretical definitions, adjustment rule and implementing procedures associated with the approach are explicitly introduced together with corresponding enabling algorithms. Finally, an exemplary chemical plant is employed to demonstrate the feasibility and validity of the contribution.
摘要Owing to the significant increase in energy consumption,contemporary power systems are transitioning to a new standard characterized by enhanced access to renewable energy sources(RESs).RESs require interfaces to regulate the power generation.Maximum power point tracking(MPPT)is a technique employed in solar photovoltaic(PV)systems to modify operational parameters to ensureoptimal extraction of power from solar panels.MPPT operates under fluctuating conditions such as sunlight intensity and temperature.An inverter is a device that transforms a direct current into a sinusoidal alternating current.A multilevel inverter(MLI)can be utilized for RESs in two distinct modes:power-generating mode(stand-alone mode)and compensator mode(STATCOM).Limited research has been conducted on the optimization of controller gains in response to variations in a single phase load,particularly reactive load variations,across several scenarios.This load may exhibit an imbalance;hence,a more robust optimization approach must be used to address this problem.This study presents a control system that incorporates an optimized auxiliary MPPT controller for a seven-level inverter.The system uses a sophisticated greylag goose optimization(GGO)random search algorithm combined with the MPPT technique.The main objective is to create a system that enhances performance under diverse and imbalanced loading scenarios by utilizing sophisticated optimization techniques that determine the optimal switching angles for a seven-level inverter.This approach aims to eliminate specific harmonics and achieve a low total harmonic distortion(THD).The inverter THD output voltage was used as the objective function,and the proposed method is particularly beneficial in agricultural settings.The proposed MPPT-based seven-level invertersystem was simulated using MATLAB.The proposed GGO algorithm achieved a minimal THD of 1.95%,surpassing methods such as salp swarm optimization(6.14%),artificial neural networks with fuzzy logic(5.9%),hybrid global selective algorithm(GSA)selective harmonic elimination(7.7%),and genetic algorithms with particle swarm optimization(10.84%),demonstrating its exceptional efficacy in improving power quality.