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Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0676-4

Abstract: Therefore, a decision-making approach for the deviation correction trajectory and posture rectificationThe additional position change during the shield attitude correction is highlighted.Overall, this study provides a valuable reference for moment determination and the trajectory prediction

Keywords： additional position change     deviation correction trajectory     earth pressure balance shield     mechanical    

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Simulation on Hitting Probability of MMW Remote ControllingTrajectory Correction Munition Intercepting

Hu Ronglin,Li Xingguo

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 65-70

Abstract:

The basic principle of millimeter wave remote controlling munitions (MMW-RCTCM) is demonstrated in the introduction.  Then the concept of correctable intercepting flow is proposed.  And the anti-air shooting model of millimeter wave remote controlling munitions (MMW-RCTCM) intercepting mobile anti-ship missile (MACM) is established in section 2 and 3.  Subsequently,  the hitting probability of single MMW-RCTCM vs.  single MACM as well as MMW-RCTCM flow vs.  single MACM and MMW-RCTCM flow vs.  MACM flow are analyzedin detail.  The probabilities of the above are simulated based on the parameters of the two sides of attacking and intercepting in the 5th section.  It is illustrated that comparing with the non-controlling munitions,  the efficiency of MMW-RCTCM is increased remarkably.  At the last,  it is concluded that the MMW-RCTCM can resist the attacking of saturate flow; ultra-sonic MACM.

Keywords： MMW     remote controlling     trajectory correction munitions     correctable intercepting flow     anti-ship missile    

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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: Multiobjective trajectory planning is still face challenges due to certain practical requirements andIn this paper, a multiobjective trajectory optimization approach that sets energy consumption, executionthat the proposed approach can provide the high-quality Pareto optimal solutions and outperforms other trajectory

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

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Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 103-109 doi: 10.1007/s11709-018-0474-6

Abstract: This paper presents a simple and efficient equation for calculating the Fox depth correction factor usedClassical solution of Boussinesq theory was used originally to develop the Fox depth correction factorstraightforward, competent and easy to use for both manual and automated calculation of the Fox depth correction

Keywords： settlement     embedment     Fox depth correction factor     regression     multivariable    

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A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 440-445 doi: 10.1007/s11708-009-0051-8

Abstract: The core objective to optimize a complex energy system is to set the reference target to guide the parameter adjustment of system operation. In this paper, a new case-based approach is proposed based on an online performance assessment program and its long-term operation data for a large power unit. The online model of a coal-fired power unit’s performance assessment is demonstrated, and the distribution pattern of the performance index is revealed by statistical analysis of the abundant data. The fundamental issues (representation of the similarity of two thermal processes, similarity measure, etc.) are tackled. The key sections and key parameters for the completion of similarity determination are proposed, which are essential to realize a case-based strategy. A full-scope simulator of power unit is used to test the availability of the method. The advantage of the case-based approach is the integrality of information over other methods.

Keywords： energy system     case-based     optimization     power unit operation     performance    

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Dynamic prediction of moving trajectory in pipe jacking: GRU-based deep learning framework

Frontiers of Structural and Civil Engineering   Pages 994-1010 doi: 10.1007/s11709-023-0942-5

Abstract: The moving trajectory of the pipe-jacking machine (PJM), which primarily determines the end quality ofmodels to support drivers in performing rectifications in advance can effectively avoid considerable trajectoryrecurrent unit (GRU)-based deep learning framework is proposed herein to dynamically predict the moving trajectoryThe results show that the proposed framework can dynamically and precisely predict the PJM moving trajectoryThe proposed framework is expected to provide an effective decision support for moving trajectory control

Keywords： dynamic prediction     moving trajectory     pipe jacking     GRU     deep learning    

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Research on Anthropomorphic Obstacle Avoidance Trajectory Planning for Adaptive Driving Scenarios Based

Jian Wu,Yang Yan,Yulong Liu,Yahui Liu,

Engineering doi: 10.1016/j.eng.2023.07.018

Abstract: The forward design of trajectory planning strategies requires preset trajectory optimization functionstime-varying dynamic characteristics of obstacle avoidance scenarios, it is necessary to design numerous trajectoryTherefore, an anthropomorphic obstacle-avoidance trajectory planning strategy for adaptive driving scenariosSubsequently, a trajectory expectation feature-matching algorithm is proposed that uses maximum entropyThe results show that the strategy can adjust the weight distribution of the trajectory optimization

Keywords： Obstacle avoidance trajectory planning     Inverse reinforcement theory     Anthropomorphic     Adaptive driving    

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Robust train speed trajectory optimization: A stochastic constrained shortest path approach

Li WANG, Lixing YANG, Ziyou GAO, Yeran HUANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 408-417 doi: 10.15302/J-FEM-2017042

Abstract: Train speed trajectory optimization is a significant issue in railway traffic systems, and it plays aTo appropriately characterize the uncertainties and generate a robust speed trajectory, this study specifically

Keywords： train speed trajectory optimization     railway operation     stochastic programming    

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autonomous mining: design and development of an unmanned electric shovel via point cloud-based optimal trajectory

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0686-2

Abstract: In the field of autonomous excavation, environmental perception and excavation trajectory planning areBased on optimal trajectory command, the UES performs autonomous excavation.On the basis of reconstructed surface, the PTP trajectory planning method rapidly obtains a reasonablemining trajectory with high fill factor and mining efficiency.Compared with the common excavation trajectory planning approaches, the proposed method tends to be more

Keywords： autonomous excavation     unmanned electric shovel     point cloud     excavation trajectory planning    

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The dynamic correction of collimation errors of CT slicing pictures

LIU Ya-xiong, Sekou Sing-are, LI Di-chen, LU Bing-heng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 168-172 doi: 10.1007/s11465-006-0016-0

Abstract: The results confirm that the correction method with any of the correctors can improve the accuracy and
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CORRECTION to: A global carbon market?

Michael G. POLLITT

Frontiers of Engineering Management   Pages 699-699 doi: 10.1007/s42524-019-0050-3

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General Optimal Trajectory Planning: Enabling Autonomous Vehicles with the Principle of Least Action

Heye Huang,Yicong Liu,Jinxin Liu,Qisong Yang,Jianqiang Wang,David Abbink,Arkady Zgonnikov,

Engineering doi: 10.1016/j.eng.2023.10.001

Abstract: This study presents a general optimal trajectory planning (GOTP) framework for autonomous vehicles (AVsFurthermore, in selecting the optimal trajectory, we develop a unified and auto-tune objective function

Keywords： Autonomous vehicle     Trajectory planning     Multi-performance objectives     Principle of least action    

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Longitudinal and lateral slip control of autonomous wheeled mobile robot for trajectory tracking

Hamza KHAN,Jamshed IQBAL,Khelifa BAIZID,Teresa ZIELINSKA

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 2,   Pages 166-172 doi: 10.1631/FITEE.1400183

Abstract: The robot successfully followed the desired circular trajectory in the presence of wheel slippage and

Keywords： Robot modeling     Robot navigation     Slip and skid control     Wheeled mobile robots    

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Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 154-167 doi: 10.1007/s11465-015-0336-z

Abstract: intelligence-based framework which can be used for the real-time estimation of optimum battery state-of-charge (SOC) trajectoryThe estimated SOC trajectory can be then employed for an intelligent power management to significantlyThe devised intelligent SOC trajectory builder takes advantage of the upcoming route information previewtool, AIA and ANN, will result in a powerful framework which can generate a near global optimum SOC trajectoryadvantage of intelligent approaches, it is possible to design a computationally efficient and powerful SOC trajectory

Keywords： trip information preview     intelligent transportation     state-of-charge trajectory builder     immune systems    

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CORRECTION to: Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

Frontiers of Engineering Management   Pages 698-698 doi: 10.1007/s42524-019-0047-y

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Title Author Date Type Operation

Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Journal Article

Simulation on Hitting Probability of MMW Remote ControllingTrajectory Correction Munition Intercepting

Hu Ronglin,Li Xingguo

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Journal Article

A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Journal Article

Dynamic prediction of moving trajectory in pipe jacking: GRU-based deep learning framework

Journal Article

Research on Anthropomorphic Obstacle Avoidance Trajectory Planning for Adaptive Driving Scenarios Based

Jian Wu,Yang Yan,Yulong Liu,Yahui Liu,

Journal Article

Robust train speed trajectory optimization: A stochastic constrained shortest path approach

Li WANG, Lixing YANG, Ziyou GAO, Yeran HUANG

Journal Article

autonomous mining: design and development of an unmanned electric shovel via point cloud-based optimal trajectory

Journal Article

The dynamic correction of collimation errors of CT slicing pictures

LIU Ya-xiong, Sekou Sing-are, LI Di-chen, LU Bing-heng

Journal Article

CORRECTION to: A global carbon market?

Michael G. POLLITT

Journal Article

General Optimal Trajectory Planning: Enabling Autonomous Vehicles with the Principle of Least Action

Heye Huang,Yicong Liu,Jinxin Liu,Qisong Yang,Jianqiang Wang,David Abbink,Arkady Zgonnikov,

Journal Article

Longitudinal and lateral slip control of autonomous wheeled mobile robot for trajectory tracking

Hamza KHAN,Jamshed IQBAL,Khelifa BAIZID,Teresa ZIELINSKA

Journal Article

Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Journal Article

CORRECTION to: Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

Journal Article