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

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 aretrajectory planning are presented.Then, by establishing the dynamical model of the UES, a point to point (PTP) excavation trajectory planningBased on optimal trajectory command, the UES performs autonomous excavation.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    

Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 23-28 doi: 10.1007/s11465-012-0304-9

Abstract:

This paper presents an optimal control strategy for optimal trajectory planning of mobile robots byThen, the optimal path planning of the mobile robot is formulated as an optimal control problem.

Keywords: mobile robot     trajectory planning     nonlinear dynamic     optimal control    

Energy-efficient trajectory planning for a multi-UAV-assisted mobile edge computing system

Pei-qiu Huang, Yong Wang, Ke-zhi Wang,pqhuang@csu.edu.cn,ywang@csu.edu.cn,kezhi.wang@northumbria.ac.uk

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 12,   Pages 1671-1814 doi: 10.1631/FITEE.2000315

Abstract: Our goal is to minimize the energy consumption of this system by planning the trajectories of UAVs.This problem is difficult to address because when planning the trajectories, we need to consider not

Prediction of characteristic blast-induced vibration frequency during underground excavation by using

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-022-0861-x

Abstract: In this study, blasting vibration signals were measured during underground excavation in carbonaceous

Keywords: wavelet analysis     blast-induced vibration     frequency characteristics     underground excavation    

Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1, doi: 10.1007/s11465-021-0658-y

Abstract: In this paper, the enhanced bidirectional approach is proposed to plan the manipulator trajectory andproposed, and a new intermediate variable-based Lyapunov function is derived and solved for smooth joint trajectorycarried out in the end, and the proposed method is validated in minimizing final base attitude change and trajectory

Keywords: free-floating space robot     dual arm     coordinated operation     base attitude restoration     bidirectional approach    

A double-layered nonlinear model predictive control based control algorithm for local trajectory planning Research Articles

Hong-chao Wang, Wei-wei Zhang, Xun-cheng Wu, Hao-tian Cao, Qiao-ming Gao, Su-yun Luo,17721336541@163.com,zwwsues@163.com,longxd2714@163.com,yjs_liqing@163.com,mosxsues@163.com,ly18362885604@163.com

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 7,   Pages 963-1118 doi: 10.1631/FITEE.1900185

Abstract: We present a double-layered control algorithm to plan the local trajectory for s equipped with four hubThe MLN-MPC controller is applied to plan a dynamically feasible trajectory, and the SLN-MPC controlleroff-line co-simulation environments of AMESim, Simulink, dSPACE, and TruckSim, a dynamically feasible trajectory

Keywords: Automated truck     Trajectory planning     Nonlinear model predictive control     Longitudinal slip    

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    

A probabilistic architecture of long-term vehicle trajectory prediction for autonomous driving

Jinxin Liu,Yugong Luo,Zhihua Zhong,Keqiang Li,Heye Huang,Hui Xiong,

Engineering doi: 10.1016/j.eng.2021.12.020

Abstract: In mixed and dynamic traffic environments, accurate long-term trajectory forecasting of surrounding vehiclesIn this paper, we propose an integrated probabilistic architecture for long-term vehicle trajectory prediction, which consists of a driving inference model (DIM) and a trajectory prediction model (TPM).The superior performance on the task of long-term trajectory prediction is presented and verified by

Keywords: Autonomous driving     Dynamic Bayesian network     Driving intention recognition     Gaussian process     Vehicle trajectory    

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 461-477 doi: 10.1007/s11709-021-0705-0

Abstract: Many uncertain factors in the excavation process may lead to excessive lateral displacement or over-limitedIt was found that the excavation depth and the distance between the foundation pit and the bridge foundation

Keywords: deep foundation pit excavation     adjacent bridge foundation     influencing factors     analytic hierarchy process    

A cyber-physical routing protocol exploiting trajectory dynamics for mission-oriented flying Ad Hoc networks

Die Hu,Shaoshi Yang,Min Gong,Zhiyong Feng,Xuejun Zhu,

Engineering doi: 10.1016/j.eng.2021.10.022

Abstract: Highlights•An innovative routing protocol exploiting the native trajectory dynamics of mission-orientedis proposed based on cross-disciplinary integration, which makes full use of the mission-determined trajectory

Keywords: Cyber-physical system     Flying ad hoc network (FANET)     Routing protocol     Trajectory dynamics     Unmanned aerial    

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 26-43 doi: 10.1007/s11709-017-0439-1

Abstract: instrumentation program lasting 14 months was conducted to monitor the behaviors of this deep circular excavation

Keywords: deep excavation     foundation pit     soft clay     top-down method     field observation     ground surface movements     ground    

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    

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    

Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 93-100 doi: 10.1007/s11709-014-0232-3

Abstract: Square Shopping Center of the Shanghai South Railway Station is a large scale complex top-down deep excavationThe excavation is adjacent to several current and newly planned Metro lines, and influenced by a neighboringExchange Station excavation.The highly irregular geometry of this excavation greatly increases the complexity in 3D Finite Elementconcrete floor slabs and beams, 4) the complex construction sequences, and 5) the shape effect of the deep excavation

Keywords: advanced finite element analysis     deep excavations     case history     small-strain stiffness    

Title Author Date Type Operation

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

Journal Article

Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Journal Article

Energy-efficient trajectory planning for a multi-UAV-assisted mobile edge computing system

Pei-qiu Huang, Yong Wang, Ke-zhi Wang,pqhuang@csu.edu.cn,ywang@csu.edu.cn,kezhi.wang@northumbria.ac.uk

Journal Article

Intelligent computing budget allocation for on-road trajectory planning based on candidate curves

Xiao-xin FU,Yong-heng JIANG,De-xian HUANG,Jing-chun WANG,Kai-sheng HUANG

Journal Article

Prediction of characteristic blast-induced vibration frequency during underground excavation by using

Journal Article

Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Journal Article

A double-layered nonlinear model predictive control based control algorithm for local trajectory planning

Hong-chao Wang, Wei-wei Zhang, Xun-cheng Wu, Hao-tian Cao, Qiao-ming Gao, Su-yun Luo,17721336541@163.com,zwwsues@163.com,longxd2714@163.com,yjs_liqing@163.com,mosxsues@163.com,ly18362885604@163.com

Journal Article

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

Li WANG, Lixing YANG, Ziyou GAO, Yeran HUANG

Journal Article

A probabilistic architecture of long-term vehicle trajectory prediction for autonomous driving

Jinxin Liu,Yugong Luo,Zhihua Zhong,Keqiang Li,Heye Huang,Hui Xiong,

Journal Article

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Journal Article

A cyber-physical routing protocol exploiting trajectory dynamics for mission-oriented flying Ad Hoc networks

Die Hu,Shaoshi Yang,Min Gong,Zhiyong Feng,Xuejun Zhu,

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

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

Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Journal Article