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Real-Time Four-Dimensional Trajectory Generation Based on Gain-Scheduling Control and a High-Fidelity Article

Olusayo Obajemu, Mahdi Mahfouf, Lohithaksha M. Maiyar, Abrar Al-Hindi, Michal Weiszer, Jun Chen

Engineering 2021, Volume 7, Issue 4,   Pages 495-506 doi: 10.1016/j.eng.2021.01.009

Abstract: This paper proposes a new approach for generating efficient four-dimensional trajectories (4DTs) on the

Keywords： Aircraft model     Intelligent taxiing     Optimization     Four-dimensional trajectory    

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Deep Volatiles as the Key for Energy and Environments of the Four-Dimensional Earth System

Ho-Kwang Mao, Craig M. Schiffries

Engineering 2019, Volume 5, Issue 3,   Pages 393-394 doi: 10.1016/j.eng.2019.05.003

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Output tracking control of mobile manipulators based on dynamical sliding-mode control

WUYuxiang, FENG Ying, HU Yueming

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 110-115 doi: 10.1007/s11465-007-0019-5

Abstract: Then, the system is decomposed into four lower-dimensional subsystems by means of diffeomorphism andsimulation results indicate that the dynamical sliding-mode controller can not only track the given trajectory

Keywords： lower-dimensional     nonlinear     trajectory     tracking     diffeomorphism    

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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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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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Landing control method of a lightweight four-legged landing and walking robot

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0707-1

Abstract: A lightweight four-legged landing and walking robot called “FLLWR” is designed in this study.

Keywords： landing and walking robot     lunar exploration     buffer landing     compliance control    

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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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Motion planning and tracking control of a four-wheel independently driven steered mobile robot with multiple

Xiaolong ZHANG, Yu HUANG, Shuting WANG, Gen LI, Yuanlong XIE, Wei MENG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 504-527 doi: 10.1007/s11465-020-0626-y

Abstract: Safe and effective autonomous navigation in dynamic environments is challenging for four-wheel independentlycontrol is proposed such that the online updating of the predictive horizon is realized to enhance the trajectory-following

Keywords： mobile robot     multiple maneuvering mode     motion planning     tracking control     receding horizon control    

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Pollution of NPEOs in four municipal sewage treatment plants in the north of China

HOU Shaogang, SUN Hongwen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 196-201 doi: 10.1007/s11783-007-0034-0

Abstract: represents the mixture, and NPEO represents the monomer) and its metabolites in the influent and effluent of four
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Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 160-168 doi: 10.1007/s11465-013-0258-6

Abstract:

In this paper, nonlinear dynamic behavior of a four-bar linkage considering clearance is studied.According to the calculated response, compliance, force and trajectory of pin in joint bearing are obtained

Keywords： four-bar linkage     chaos     bifurcation     strange attractors     dynamics    

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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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Obstacle-circumventing adaptive control of a four-wheeled mobile robot subjected to motion uncertainties

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0753-3

Abstract: To achieve the collision-free trajectory tracking of the four-wheeled mobile robot (FMR), existing methods

Keywords： four-wheeled mobile robot     obstacle-circumventing adaptive control     adaptive anti-disturbance terminal    

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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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Title Author Date Type Operation

Real-Time Four-Dimensional Trajectory Generation Based on Gain-Scheduling Control and a High-Fidelity

Olusayo Obajemu, Mahdi Mahfouf, Lohithaksha M. Maiyar, Abrar Al-Hindi, Michal Weiszer, Jun Chen

Journal Article

Deep Volatiles as the Key for Energy and Environments of the Four-Dimensional Earth System

Ho-Kwang Mao, Craig M. Schiffries

Journal Article

Output tracking control of mobile manipulators based on dynamical sliding-mode control

WUYuxiang, FENG Ying, HU Yueming

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

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

Journal Article

Landing control method of a lightweight four-legged landing and walking robot

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

Motion planning and tracking control of a four-wheel independently driven steered mobile robot with multiple

Xiaolong ZHANG, Yu HUANG, Shuting WANG, Gen LI, Yuanlong XIE, Wei MENG

Journal Article

Pollution of NPEOs in four municipal sewage treatment plants in the north of China

HOU Shaogang, SUN Hongwen

Journal Article

Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

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

Obstacle-circumventing adaptive control of a four-wheeled mobile robot subjected to motion uncertainties

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