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Optimization of spatial structure designs of control rod using Monte Carlo code RMC

Frontiers in Energy 2021, Volume 15, Issue 4, Pages 974-983 doi: 10.1007/s11708-021-0769-5

Abstract: Control rod is the most important approach to control reactivity in reactors, which is currently a clusterMoreover, the lifetime of the control rod is challenged due to the high reactivity worth loss resultedmixed rod, radially moderated rod, and composite control rod with small-sized pins.The control rod worth and effective absorption cross section of these designs are computed using theFor the spatially mixed rod, rare-earth absorbers are combined with B₄C in spatial structure

Keywords： control rod optimized spatial structure neutronic performance burnup stability

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PID neural network control of a membrane structure inflation system

Qiushuang LIU, Xiaoli XU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4, Pages 418-422 doi: 10.1007/s11465-010-0117-7

Abstract: Because it is difficult for the traditional PID algorithm for nonlinear time-variant control objectsto obtain satisfactory control results, this paper studies a neuron PID controller.The PID controller is used to control a nonlinear time-variant membrane structure inflation system.Results show that the neural network PID controller can adapt to the changes in system structure parametersand fast track the changes in the input signal with high control precision.

Keywords： PID neural network membrane structure

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Vibration control of a structure using Magneto-Rheological grease damper

Shinya SUGIYAMA, Tomoki SAKURAI, Shin MORISHITA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3, Pages 261-267 doi: 10.1007/s11465-013-0268-4

Abstract:

This paper describes an application study of Magneto-Rheological (MR) grease damper to a structureFurthermore, vibration response of a three-story model structure equipped with MR grease damper was investigated

Keywords： vibration control damper smart material Magneto-Rheological (MR) grease MR fluid

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Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5, Pages 780-795 doi: 10.1007/s11709-023-0944-3

Abstract: However, deformation control standards for such situations have not been clearly defined.Subsequently, a deformation control criterion is established.The LRS is simulated by linearly reducing the loads applied to the lateral sides of the segment structureBased on the mechanical pattern of the segment structure and the acoustic emission, the deformation response

Keywords： shield tunnel lateral relaxation of soil deformation control criterion of segment structure model

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Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 111-116 doi: 10.1007/s11709-009-0022-5

Abstract: a novel “composite reaching law” was explained in details: 1) the equation of discrete motion for a controlsystem; 2) the design of discrete-time variable structure control.In addition, the model of a three-storey shear-type building structure was used to verify the effectivenessof the discrete variable structure control method.the peak value of seismic response of the building structure and the chattering effect of the control

Keywords： discrete-time variable structure control composite reaching law chattering effect saturated control law

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Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3, Pages 242-251 doi: 10.1007/s11465-009-0068-z

Abstract: smart structures, have many outstanding advantages for sensors and actuators, especially in vibration controlSemi-active vibration control based on state switching and pulse switching has been receiving much attentionIn this review article, the principles of the semi-active control methods based on switched shunt circuit, including state-switched method, synchronized switch damping techniques, and active control theory-basedMoreover, the future directions of research in semi-active control are also summarized.

Keywords： smart structure semi-active method vibration control piezoelectric actuator

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Shape control of multi-cellular inflatable panels

N. KATAYAMA, K. ISHIMURA, K. MINESUGI, DANIEL J. INMAN

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3, Pages 276-282 doi: 10.1007/s11465-013-0267-5

Abstract: In the present study, shape control for a simple multi-cellular inflatable panel was achieved via a novel

Keywords： Membrane structures inflatable structure shape control smart structures structural mechanics space engineering

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Knowledge-Based Variable Structure Decoupling Control of a Nonlinear Multivariable System

Tu Chengyuan,Zeng Yanjun

Strategic Study of CAE 2001, Volume 3, Issue 10, Pages 48-52

Abstract:

A knowledge-based variable-structure decoupling is developed, and be utilized to control a nonlinearespecially avoid large amount of complex matrix operations required for the conventional decoupling controlSome modules in the knowledge base of this kind of control are described, and the main points of theStrategies described in this paper have been successively utilized to the set-point temperature controltemperature homogeneity all better than 1℃ has been attained, which is impossible for the conventional control

Keywords： nonlinear multivariable system decoupling control knowledge based variable structure decoupling

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Wind-induced vibration control of Hefei TV tower with fluid viscous damper

Zhiqiang ZHANG , Aiqun LI , Jianping HE , Jianlei WANG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 249-254 doi: 10.1007/s11709-009-0038-x

Abstract: The Hefei TV tower is taken as an analytical case to examine the control method with a fluid viscousFinally, a dynamic model is proposed to study the wind-induced vibration control analysis using viscous

Keywords： high-rise structure wind-induced response fluid viscous damper vibration control

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Unstressed state control method for process control of structure formed by stages

Qin Shunquan

Strategic Study of CAE 2009, Volume 11, Issue 10, Pages 72-78

Abstract:

This paper establishes a mechanical equilibrium equation for structurein any construction process of bridge formed by stages, and thus concludes that the core of process controlThe control and adjustment of quantity of unstressed state of the structural elements provides a solution

Keywords： bridge constructed by stages unstressed length unstressed curvature parallel operation erection calculation

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Technology improvements and management innovations in construction of Xiluodu hydropower station on Jinsha River

Qixiang FAN

Frontiers of Engineering Management 2017, Volume 4, Issue 2, Pages 231-237 doi: 10.15302/J-FEM-2017103

Abstract: Hongtao ZHOU, Hongwei WANG, Wei ZENG. [J]. Front. Eng, 2018, 5(1): 78-87.Peter REDFERN, Hua ZHONG. [J]. Front. Eng, 2017, 4(2): 193-200.Ming-zhou Liu,Cong-hu Liu,Mao-gen Ge,Yuan Zhang,Qing-hua Zhu. [J]. Front. Eng, 2016, 3(2): 144-146.Chong-guang Feng,Hao Hu,Feng Xu,Jian Yang. [J]. Front. Eng, 2015, 2(2): 178-181.Yu Zhao,Sheng-quan Wang,Ke-chao Zhu. [J]. Front. Eng, 2015, 2(1): 35-38.Ru-gui Chen,Jia-meng Chen. [J]. Front. Eng, 2014, 1(1): 52-61.An Wang. [J]. Front. Eng, 2014, 1(1): 13-17.

Keywords： super-high arch dam intelligent construction mass concrete temperature control structure behavior control

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Dvelopment of Aeronautics and Astronautics With Mechanics

Chen Shilu

Strategic Study of CAE 2003, Volume 5, Issue 3, Pages 25-26

Abstract: interconnected sciences in mechanics, describes the relations of flight mechanics with aerodynamics, structuremechanics, general mechanics and automatic control, and introduces the new branch of flight mechanics

Keywords： aerodynamics structure mechanics general mechanics automatic control flight mechanics flight dynamics

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Study on the growth of platinum nanowires as cathode catalysts in proton exchange membrane fuel cells

Ruiqing Wang, Xiaolan Cao, Sheng Sui, Bing Li, Qingfeng Li

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3, Pages 364-375 doi: 10.1007/s11705-021-2052-z

Abstract: The control strategy obtained contributes to the design and control of novel nanostructures in nano-synthesis

Keywords： Pt nanowires morphology structure control in situ growth mechanism proton exchange membrane fuel

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Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1419-1

Abstract:

• Pore structure affects biologically activated carbon performance.

Keywords： Granular activated carbon Biologically activated carbon filter Bacterial community structure Porestructure

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Hierarchical fractal structure of perfect single-layer graphene

T. Zhang, K. Ding

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4, Pages 371-382 doi: 10.1007/s11465-013-0279-1

Abstract:

The atomic lattice structure of perfect single-layer graphene that can actually be regarded as a kindof hierarchical fractal structure from the perspective of fractal geometry was studied for the firstThree novel and special discoveries on hierarchical fractal structure and sets were unveiled upon examinationThe interior fractal-type structure was discovered to be the fifth space-filling curve from physicalA fundamental example of a multi-fractal structure was also presented.

Keywords： hierarchical fractal structure fractal dimension the fifth space-filling curve multi-fractal structure