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A novel stiffness optimization model of space telescopic boom based on locking mechanism

Frontiers of Mechanical Engineering 2024, Volume 19, Issue 3, doi: 10.1007/s11465-024-0789-z

Abstract: To tackle this challenge, a novel optimization model, which utilizes the arrangement of the locking mechanismsThe proposed optimization model incorporates a novel joint stiffness model developed based on an equivalentComparative analysis shows that the proposed stiffness model achieves more than at least 11% improvedFurthermore, case verification shows that the proposed optimization model can improve stiffness whileeffectively reducing mass, and it is applied in boom optimization design.

Keywords： deployable telescopic boom     locking mechanism     stiffness model     clearance error     optimization model    

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A novel energy loss model and optimization design of the coin chute flection curve

Qinghua LIANG, Jinqiu MO, Weizhong GUO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 38-46 doi: 10.1007/s11465-012-0311-x

Abstract:

In this paper, we propose a novel design model based on the energy loss of the coin (ELM model) tocubic quasi-uniform B-spline with the data points and end points derivatives as inputs, and the curve modelA case study with a typical Chinese currency coin shows the effectiveness of the model using GA optimization

Keywords： flection curve     B-spline     energy loss model (ELM model)     optimization design    

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Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 483-488 doi: 10.1007/s11465-007-0084-9

Abstract: This paper presents an optimization model for rotor blades of horizontal axis wind turbines.The model refers to the wind speed distribution function on the specific wind site, with an objectiveUsing the developed optimization program, blades of a 1.3 MW stall-regulated wind turbine are designed

Keywords： population     extended     algorithm     developed optimization     accurate    

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Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 669-685 doi: 10.1007/s11709-023-0963-0

Abstract: Based on bi-directional evolutionary structural optimization (BESO), a new approach is developed in thisThis approach combines a minimum compliance objective function with a hybrid truss-continuum model.Furthermore, a modified bi-directional evolutionary structural optimization (M-BESO) method is proposedTo fully utilize the tensile strength of steel and the compressive strength of concrete, the optimization

Keywords： bi-directional evolutionary structural optimization     steel-reinforced concrete     concrete stress     reinforcementmethod     hybrid model    

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Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Frontiers in Energy 2024, Volume 18, Issue 1,   Pages 28-41 doi: 10.1007/s11708-023-0912-6

Abstract: In this paper, a multi-timescale optimal scheduling model is established for interconnected data centers(IDCs) based on model predictive control (MPC), including day-ahead optimization, intraday rolling optimizationThe day-ahead optimization stage aims at the lowest operating cost, the rolling optimization stage aimspower fluctuation, eliminating the impact of prediction errors through coordinated multi-timescale optimization

Keywords： model predictive control     interconnected data center     multi-timescale     optimized scheduling     distributed    

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Impact of crude distillation unit model accuracy on refinery production planning

Gang FU, Pedro A. Castillo CASTILLO, Vladimir MAHALEC

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 195-201 doi: 10.15302/J-FEM-2017052

Abstract: In this work, we examine the impact of crude distillation unit (CDU) model errors on the results of refinery-wideoptimization for production planning or feedstock selection.We compare the swing cut+ bias CDU model with a recently developed hybrid CDU model (Fu et al., 2016)The hybrid CDU model computes material and energy balances, as well as product true boiling point (TBPCDU model and using a planning model that incorporates the hybrid CDU model are presented.

Keywords： impact of model accuracy on production planning     swing cut+ bias CDU model     hybrid CDU model     refinery feedstockselection optimization     optimization of refinery operation    

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Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 759-771 doi: 10.1007/s11705-022-2269-5

Abstract: The model is comprised of self-organizing-map and the neural network parts.Development of the MISR model of hydrocracking unit also benefits from the utilization of prior knowledge, thus leading to more accurate optimization of the hydrocracker operation.Moreover, the MISR model has smoother error convergence than the previous model.Numerical experiments show that the MISR model is suitable for modeling nonlinear conversion units which

Keywords： hydrocracking     convolutional neural networks     self-organizing map     deep learning     data-driven optimization    

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Therefore, this paper aims to develop new equations using particle swarm optimization as a metaheuristicTo improve the efficiency of the proposed model, individual equations are derived for laboratory andComparing the results of the proposed model with those of existing regression-based equations reveal

Keywords： scour depth     bridge design and construction     particle swarm optimization     computational mechanics     artificial    

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Hierarchical model updating for high-speed maglev vehicle/guideway coupled system based on multi-objectiveoptimization

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 5,   Pages 788-804 doi: 10.1007/s11709-023-1032-4

Abstract: The high-speed maglev vehicle/guideway coupled model is an essential simulation tool for investigatingTo improve its accuracy efficiently, this study investigated a hierarchical model updating method integratedFirst, a high-speed maglev vehicle/guideway coupled model, taking into account the real effect of guidewayThe multi-objective particle swarm optimization algorithm with the gray relational projection methodthe model’s accuracy in simulating the actual dynamic response, validating the effectiveness of the

Keywords： high-speed maglev     vehicle/guideway coupled model     field measurement     model updating     neural network     multi-objective optimization    

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Reliability-based design optimization of offshore wind turbine support structures using RBF surrogatemodel

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 7,   Pages 1086-1099 doi: 10.1007/s11709-023-0976-8

Abstract: Reliability-based design optimization of offshore wind turbine support structures using RBF surrogatemodel

Keywords： RBF     surrogate model     turbine support structures    

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New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 541-549 doi: 10.1007/s11708-008-0077-3

Abstract: A novel response surface model is proposed which regards the objective distribution function in the vicinityBased on this model, a numerical aerodynamic optimization platform for the axial compressor 2D bladeprofiles is developed, by which aerodynamic optimization of two compressor blade profiles are presented

Keywords： definition     objective distribution     fitting precision     combination     numerical aerodynamic    

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An integrated model for structure optimization and technology screening of urban wastewater systems

Yue HUANG,Xin DONG,Siyu ZENG,Jining CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1036-1048 doi: 10.1007/s11783-015-0792-z

Abstract: In this study, a multi-objective optimization model of an integrated urban wastewater system was developedThe model encompasses subsystems, such as a sewer system, stormwater management, municipal wastewaterThe developed model can be used to assist decision makers in the preliminary planning of system structure

Keywords： urban wastewater system     integrated modeling     multi-objective optimization     non-dominated sorting genetic    

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Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 343-361 doi: 10.1007/s11708-015-0372-8

Abstract: Then, the energy consumption calculation model for units and pumps were established, based on which theoptimization method and constraints were established.Finally, a field test on a GWHP system in Beijing was conducted and the model was applied.The new system operation optimization idea for taking every part of the GWHP into account that put forward

Keywords： optimization model     groundwater source heat pump system     theoretical analysis     example verification     heating    

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Novel power capture optimization based sensorless maximum power point tracking strategy and internalmodel controller for wind turbines systems driven SCIG

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 742-756 doi: 10.1007/s11708-017-0462-x

Abstract: The optimization strategy of the harvested power from the wind is realized by a maximum power point trackingbased on fuzzy logic, and the control strategy of the generator is implemented by means of an internal modeltechnique, as an alternative to the proportional integral (PI) controller, to implement the proposed optimizationBased on the simulation results of a six KW-WECS model in Matlab/Simulink, the presented control system

Keywords： power optimization     wind energy conversion system     maximum power point tracking (MPPT)     fuzzy logic     internalmodel (IM) controller    

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Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 284-295 doi: 10.1007/s11708-019-0613-3

Abstract: This study constructed a 3-D numerical model of cylindrical cavity receiver with DNI variation.In the model of a cylindrical cavity receiver containing a helical pipe, the heat losses of the cavityIn summary, this paper proposed an optimization method in the form of a bunch of fitting curves which

Keywords： cylindrical cavity receiver     3-D numerical simulation     geometric optimization     direct normal irradiation    

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Title Author Date Type Operation

A novel stiffness optimization model of space telescopic boom based on locking mechanism

Journal Article

A novel energy loss model and optimization design of the coin chute flection curve

Qinghua LIANG, Jinqiu MO, Weizhong GUO

Journal Article

Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Journal Article

Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Journal Article

Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Journal Article

Impact of crude distillation unit model accuracy on refinery production planning

Gang FU, Pedro A. Castillo CASTILLO, Vladimir MAHALEC

Journal Article

Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

Journal Article

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Hierarchical model updating for high-speed maglev vehicle/guideway coupled system based on multi-objectiveoptimization

Journal Article

Reliability-based design optimization of offshore wind turbine support structures using RBF surrogatemodel

Journal Article

New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Journal Article

An integrated model for structure optimization and technology screening of urban wastewater systems

Yue HUANG,Xin DONG,Siyu ZENG,Jining CHEN

Journal Article

Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

Novel power capture optimization based sensorless maximum power point tracking strategy and internalmodel controller for wind turbines systems driven SCIG

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Journal Article

Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Journal Article