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Finite element analysis on stress and optimization for hydraulic transmission box upper case

Liu Chuanfeng,Tian Aiqin

Strategic Study of CAE 2008, Volume 10, Issue 5,   Pages 70-74

Abstract: This article is about upper case of hydraulic transmission box.

Keywords： hydraulic transmission box     mechanics model     finite element analysis     stress diagram     static intensity    

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Design and characteristic research of a novel electromechanical-hydraulic hybrid actuator with two transmission

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0735-x

Abstract: Servo-hydraulic actuators (SHAs) are widely used in mechanical equipment to drive heavy-duty mechanismsEMHA mainly features two transmission mechanisms.The piston of the hydraulic transmission mechanism and the ball screw pair of the electromechanical transmissionhydraulic transmission mechanism is used for power assistance.Compared with the valve-controlled hydraulic cylinder system, EMHA exhibits a velocity tracking error

Keywords： electromechanical-hydraulic hybrid actuator (EMHA)     integration     transmission mechanisms     power assistance    

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Gray-box modeling and QFT control for precision servo transmission systems

Xiulan BAO, Xuedong CHEN, Xin LUO, Haocheng ZUO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 442-448 doi: 10.1007/s11465-011-0242-y

Abstract:

Precision servo transmission systems have widely been applied in industrial equipment to achieve highHowever, due to the presence of friction and uncertainty, the characteristics of precision servo transmissionIn this paper, a grey-box model of the system is established, the model structure derived from the theoreticalThis paper proposes two-degrees of freedom (2-DOF) robust position controller for a precision servo transmission

Keywords： precision servo transmission system     modeling     set membership identification     quantitative feedback theory    

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The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 78-83

Abstract:

In this paper, the application of box floor as submerged camel to hydraulics structures being constructedThese hydraulic structures are cheaper than those that are constructed in dry sites with the diversion

Keywords： constructing hydraulic structures     the box floor as submerged camel     derwater construction    

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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: Numerical investigations on 3D flow fields in an axial flow fan with and without an inlet box have beenfan performance caused by the internal flow fields and the velocity evenness at the exit of the inlet boxIt is interesting to find that although the inlet box is well designed in accordance with basic designThis research shows that the inlet box needs further improvement and such a check on the flow fields

Keywords： box     velocity distribution     accordance     Numerical     variation    

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: time-domain boundary element method is applied to obtain the seismic ground response, including a subsurface box-shapedThe present approach can be proposed to civil engineers for preparing simple underground box-shaped models

Keywords： box-lined tunnel     half-plane BEM     surface response     SH-wave     time-domain    

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Research on sound insulation characteristics of the friction stir welding magnesium alloy

Liu Chengwu,Qian Linfang

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 93-98

Abstract: Subsequently, Designing and manufacturing a reverberation box measured TL (Transmission Loss) of theBased on FE-SEA hybrid method, the method was employed to calculate the transmission loss which was thencompared with the experimental one showed better consistency, prove feasible to predict the transmission

Keywords： Friction stir welding     Adaptive meshing     Reverberation box     Transmission loss     FE-SEA hybrid method     Welding    

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Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 213-226 doi: 10.1007/s11708-016-0398-6

Abstract: However, in application to grounding of transmission line towers they are not enough to determine what

Keywords： grounding     transmission line tower     back flashover probability     FDTD method    

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Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 191-204 doi: 10.1007/s11709-022-0906-1

Abstract: complex urban environments is considered to influence the safety and stability of the overlying drainage boxThe vibration response evolution law of the buried drainage box culvert under blasting vibration wasThe results reveal that the maximum tensile stress of the box culvert structure was 0.33 MPa.as the water level in the box culvert increased.Based on the relationship between the tensile stress of the box culvert, PPV of the box culvert, and

Keywords： drainage box culvert     underpass blasting     dynamic response     numerical simulation     safety assessment    

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Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 308-320 doi: 10.1007/s11709-012-0140-3

Abstract: Prestressed concrete segmental box girder bridges are composed of short concrete segments that are eitherdeformation of the steel deviation cross beam during the tension process; measuring the deformation of the box

Keywords： prestressed concrete     box girder     monitoring     external tendons     strain     deflection    

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Experimental study on concrete box culverts in trenches

Baoguo CHEN, Junjie ZHENG, Jie HAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 73-80 doi: 10.1007/s11709-009-0008-3

Abstract: Concrete box culverts are widely used in expressways in mountain areas.

Keywords： culvert     vertical earth pressure     soil arch     full-scale experiment     numerical simulation    

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Recent transmission of Mycobacterium tuberculosis in China: the implication of molecular epidemiology

Chongguang Yang, Qian Gao

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 76-83 doi: 10.1007/s11684-017-0609-5

Abstract: Whether incident active TB represents recent transmission or endogenous reactivation has helped to prioritizeEvidence from molecular epidemiology studies has delineated the recent transmission of ( ) strains inHowever, the transmission patterns of TB in most areas of China are still not clear.Studies carried out to date could not capture the real burden of recent transmission of the disease inof strains, the primary transmission of drug-resistant TB, and the evaluation of a feasible genotyping

Keywords： tuberculosis     recent transmission     molecular epidemiology     China    

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Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 407-413 doi: 10.1007/s11709-009-0053-y

Abstract: theoretical analysis and measurement on site, the temperature gradients and its variation on concrete boxthe heat transfer theory and finite element method (FEM), the heat flux of the surface of concrete boxLast, some conclusions were obtained, which could provide the basis for box girder design under solar

Keywords： temperature     transfer     correlation     radiation     variation    

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Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0706-2

Abstract: consumption, execution time, and excavation volume as the objective functions is presented for the electro-hydraulic

Keywords： trajectory planning     electro-hydraulic shovel     cubic polynomial S-curve     multiobjective optimization    

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Trial design of arch bridge of composite box section with steel web-concrete flange

Jiangang WEI, Qingwei HUANG, Baochun CHEN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 370-375 doi: 10.1007/s11709-010-0073-7

Abstract: A potential solution is to use a composite box arch ring with steel web-concrete flange.arch bridge in the world with a main span of 420 m) as a prototype, trial designs of a composite box

Keywords： steel webs     concrete     box arch     trial design     structural behaviors     finite element method    

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Title Author Date Type Operation

Finite element analysis on stress and optimization for hydraulic transmission box upper case

Liu Chuanfeng,Tian Aiqin

Journal Article

Design and characteristic research of a novel electromechanical-hydraulic hybrid actuator with two transmission

Journal Article

Gray-box modeling and QFT control for precision servo transmission systems

Xiulan BAO, Xuedong CHEN, Xin LUO, Haocheng ZUO

Journal Article

The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Journal Article

Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Journal Article

On subsurface box-shaped lined tunnel under incident SH-wave propagation

Journal Article

Research on sound insulation characteristics of the friction stir welding magnesium alloy

Liu Chengwu,Qian Linfang

Journal Article

Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Journal Article

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Journal Article

Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Journal Article

Experimental study on concrete box culverts in trenches

Baoguo CHEN, Junjie ZHENG, Jie HAN

Journal Article

Recent transmission of Mycobacterium tuberculosis in China: the implication of molecular epidemiology

Chongguang Yang, Qian Gao

Journal Article

Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

Trial design of arch bridge of composite box section with steel web-concrete flange

Jiangang WEI, Qingwei HUANG, Baochun CHEN,

Journal Article