Resource Type

Journal Article 1241

Conference Videos 16

Year

2023 87

2022 102

2021 88

2020 92

2019 68

2018 61

2017 67

2016 51

2015 59

2014 47

2013 50

2012 48

2011 50

2010 52

2009 52

2008 47

2007 47

2006 41

2005 30

2004 22

open ︾

Keywords

model 15

model test 15

numerical simulation 15

mathematical model 14

kinetic model 10

Deep learning 9

China 8

different 8

uncertainty 8

COVID-19 7

optimization 7

simulation 7

sensitivity analysis 6

constitutive model 5

Machine learning 4

artificial intelligence 4

artificial neural network 4

development model 4

neural network 4

open ︾

Search scope:

排序: Display mode:

Vehicle-road collaboration based on BRT-lane TDM support by vehicle-infrastructure integration

Dong Hongzhao,Ling Yue,Liu Dongxu,Guo Mingfei

Strategic Study of CAE 2012, Volume 14, Issue 7,   Pages 68-73

Abstract:

In order to increase the availability of the part-time idle BRT-lane,this paper proposes a method of time division multiplexing (TDM) to share BRT-lane with other kind ofAccording to the real time traffic information, a comprehensive model is given to estimate the vehicles' lane-changing time from/to the BRT-lane to/from its neighbor lane and determine the timingFinally the experiment demonstrates that the predicted value of the travel time and lane changing time

Keywords: Vehicle-Infrastructure Integration     vehicles collaboration     BRT-lane     time division multiplexing (TDM)     lane-changing time model    

A practical multi-lane factor model of bridges based on multi-truck presence considering lane load disparities

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 877-894 doi: 10.1007/s11709-021-0756-2

Abstract: load model.Measured multi-lane traffic data generally exhibit significant lane disparities in traffic loads overTo address this drawback, a multi-coefficient MLF model was developed based on an improved probabilisticThe proposed MLF model and approach were calibrated and demonstrated through an example site.The model sensitivity analysis demonstrated the significant influence of lane disparity of truck traffic

Keywords: bridges     multi-lane factor     traffic load     lane load disparity     multi-truck presence     weigh-in-motion    

Lane changing assistance strategy based on an improved probabilistic model of dynamic occupancy grids Research Articles

Zhengcai Yang, Zhenhai Gao, Fei Gao, Xinyu Wu, Lei He,gaozh@jlu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 11,   Pages 1492-1504 doi: 10.1631/FITEE.2000439

Abstract: Scene modeling of the driving area is a prerequisite for lane changing decision problems.The model encapsulates the data such as vehicle speed, obstacles, lane lines, and traffic rules intoA vehicle behavior decision cost equation is established with the model to help drivers make accuratevehicle lane changing decisions based on the principle of least cost, while considering influencing

Keywords: 占用网格;概率模型;换道辅助    

A Flexible Multi-Layer Map Model Designed for Lane-Level Route Planning in Autonomous Vehicles Article

Kun Jiang, Diange Yang, Chaoran Liu, Tao Zhang, Zhongyang Xiao

Engineering 2019, Volume 5, Issue 2,   Pages 305-318 doi: 10.1016/j.eng.2018.11.032

Abstract: map navigation systems in vehicles or mobile phones to select optimal driving routes in order to save timemap model and lane-level route planning.The current limitation of the lane-level map model is not its accuracy but its flexibility; this studyIn addition, we model the travel costs allocated for lane-level road networks by analyzing vehicle maneuversin traversing lanes, changing lanes, and turning at intersections.

Keywords: Lane-level     Route planning     Tsinghua map model     Travel cost model    

Cusp points and assembly changing motions in the PRR-PR-PRR planar parallel manipulator

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0743-x

Abstract: The ability to perform assembly changing motions has received the attention of a few researchers.This study investigates the cusp points and assembly changing motions in a two degrees of freedom planarTwo assembly changing motions by encircling different cusp points are highlighted, for each pair of solutions

Keywords: planar parallel manipulator     assembly changing motions     cusp points     quartic polynomial     discriminant    

A time−space porosity computational model for concrete under sulfate attack

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0985-7

Abstract: This study proposes a mechanical–chemical model to simulate the spatiotemporal distribution of the porosityIn addition, the expansion strain at the macro-scale is obtained using a stress analysis model of compositeand cement hydration on the diffusion of sulfate ions, the expansion deformation and porosity space−timeThe results demonstrate that the expansion strains calculated using the suggested model agree well withThe proposed model can forecast and assess the porosity of concrete covers and provide a credible approach

Keywords: deformation     porosity     internal expansion stress     external sulfate attack     mechanical–chemical coupling model    

Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 56-68 doi: 10.1007/s11708-012-0216-8

Abstract: generator with time average and small signal models.The complete mathematical model is developed in three stages.First, a switching model is developed based on quasi-linear inductance profile.Next, based on the switching behaviour, a time average model is obtained to measure the difference betweenthe excitation and generation time in each switching cycle.

Keywords: generator     reluctance     switching model     small signal model     time average model    

Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 8-16 doi: 10.1007/s11709-016-0365-7

Abstract: addresses the nature of gap distributions and use of turn indicators by exiting vehicles at three single-lane

Keywords: roundabouts     exiting vehicles     turn indicator use     headways    

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 360-366 doi: 10.1007/s11465-013-0280-8

Abstract: A dynamics model of a mobile concrete pump boom is established based on discrete time transfer matrixThe overall dynamic equation and transfer matrix of the model can be assembled by sub-structures A andThe displacement and rotation angle curves of the proposed method fit well with the ADAMS model.Besides it is convenient in modeling and saves time.So it is suitable for mobile concrete pump boom real-time monitoring and dynamic analysis.

Keywords: multi-body     mobile concrete pump boom     discrete time transfer matrix method (DTTMM)     kinematic     dynamic     tip    

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: Real-time testing provides a viable experimental technique to evaluate the performance of structuralapply calculated displacements from an integration algorithm to the experimental structures in a real-timeHowever, these adaptive methods all require time duration for actuator delay adaptation.This paper presents a model reference adaptive control based method to identify the parameter of a simplifieddiscrete model for servo-hydraulic dynamics and the resulting compensation method.

Keywords: real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 15-24 doi: 10.1007/s11465-009-0015-z

Abstract: The typical time series models such as ARMA, AR, and MA are founded on the normality and stationarityThis paper proposes a general expression for linear and nonlinear auto-regressive time series modelsThe model simulation and experiments show that the GNAR model can accurately approximate to the dynamicThe modeling and prediction accuracy of the GNAR model is superior to the classical time series modelsThe proposed GNAR model is flexible and effective.

Keywords: linear and nonlinear     autoregressive model     system identification     time series analysis    

Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 988-994 doi: 10.1007/s11783-014-0751-0

Abstract: Arrhenius type temperature dependence for Ammonia Oxidizing Bacteria (AOB) subjected to temperature timeoxidation rate of the biomass selected in a pilot scale membrane bioreactor, as a function of temperature timeThe dependence of growth kinetics on temperature time gradients and the range of applicability of Arrheniusmodel for temperature dependency of AOB growth kinetics were assessed.The Arrhenius model was found to be accurate only with temperature gradients lower than 2°C·h .

Keywords: nitrification rate     temperature effect     continuous titrimetric tests     time-gradient temperature variations    

Research on changing operation mode for the large railway construction enterprise — taking China Tiesiju

Xu Baocheng

Strategic Study of CAE 2012, Volume 14, Issue 12,   Pages 58-61

Abstract: Furthermore, the paper discusses about the changing operation mode of railway construction enterprise

Keywords: construction enterprise     railway     changing mode     operation mode    

Microenvironmental time-activity patterns in Chongqing, China

Yu ZHAO, Shuxiao WANG, Gangcai CHEN, Fei WANG, Kristin AUNAN, Jiming HAO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 200-209 doi: 10.1007/s11783-009-0010-y

Abstract: An investigation using recall questionnaires was conducted in winter and autumn 2006 to evaluate the time-activityThe average time spent in seven microenvironments (MEs) including outdoors, transit, living room, bedrooma nonparametric test, the sampling period and day of week were significant for the variation of the timeThe time budget was analyzed using a general linear model (GLM), which exhibited significant variability

Keywords: time-activity patterns     microenvironment     general linear model (GLM)     Chongqing     China    

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 374-380 doi: 10.1007/s11709-011-0122-x

Abstract: the problem of condition assessment of bridge expansion joints using long-term measurement data under changing

Keywords: structural health monitoring     displacement     expansion joint     temperature effect     wind effect     traffic loading     statistical process control     suspension bridge    

Title Author Date Type Operation

Vehicle-road collaboration based on BRT-lane TDM support by vehicle-infrastructure integration

Dong Hongzhao,Ling Yue,Liu Dongxu,Guo Mingfei

Journal Article

A practical multi-lane factor model of bridges based on multi-truck presence considering lane load disparities

Journal Article

Lane changing assistance strategy based on an improved probabilistic model of dynamic occupancy grids

Zhengcai Yang, Zhenhai Gao, Fei Gao, Xinyu Wu, Lei He,gaozh@jlu.edu.cn

Journal Article

A Flexible Multi-Layer Map Model Designed for Lane-Level Route Planning in Autonomous Vehicles

Kun Jiang, Diange Yang, Chaoran Liu, Tao Zhang, Zhongyang Xiao

Journal Article

Cusp points and assembly changing motions in the PRR-PR-PRR planar parallel manipulator

Journal Article

A time−space porosity computational model for concrete under sulfate attack

Journal Article

Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Journal Article

Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Journal Article

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Journal Article

Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Journal Article

Research on changing operation mode for the large railway construction enterprise — taking China Tiesiju

Xu Baocheng

Journal Article

Microenvironmental time-activity patterns in Chongqing, China

Yu ZHAO, Shuxiao WANG, Gangcai CHEN, Fei WANG, Kristin AUNAN, Jiming HAO

Journal Article

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Journal Article