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A distributed EEMDN-SABiGRU model on Spark for passenger hotspot prediction

夏大文,耿建,黄瑞曦,申冰琪,胡杨,李艳涛,李华青

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 9,   Pages 1316-1331 doi: 10.1631/FITEE.2200621

Abstract: prediction of passenger hotspots is achieved based on the EEMDN-SABiGRU model using real-world taxi GPStrajectory data in the Spark parallel computing framework.

Keywords： empirical mode decomposition (EEMD)     Spatial attention mechanism     Bi-directional gated recurrent unit (BiGRU)     GPStrajectory     Spark    

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APFD: an effective approach to taxi route recommendation with mobile trajectory big data Research Article

Wenyong ZHANG, Dawen XIA, Guoyan CHANG, Yang HU, Yujia HUO, Fujian FENG, Yantao LI, Huaqing LI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1494-1510 doi: 10.1631/FITEE.2100530

Abstract: We present an effective taxi approach (called APFD) based on the (APF) method and method with mobile trajectory

Keywords： Big data analytics     Region extraction     Artificial potential field     Dijkstra     Route recommendation     GPS    

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Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 63-70

Abstract: were obtained during field data acquisition by the real-time kinematic global positioning system (RTK GPScivil structures, and furtherly proved the possibility of building the prototype SHM that based on RTK GPS

Keywords： RTK GPS system     time series     state-space model     ARMA model     finite element model    

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Study of Existing Problems and Solution in Vehicle Monitoring System

Zhu Zhuangsheng,Wan Dejun,Wang Qing,Zhang Xiaoguo

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 49-54

Abstract: providing some experience and ready reference for people who could design a utile and abroad popular GPS

Keywords： GPS     digital map     vehicle monitoring system     telecommunication system    

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Precise orbit determination technology based on dual-frequency GPS solution for HY-2A satellite

Lin Mingsen,Wang Xiaohui,Peng Hailong,Zhao Qile,Li Min

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 97-101

Abstract:

The GPS data acquired by the HY-2A satellite GPS receiver have been usedThe GPS carrier data were processed in a difference mode to remove clock errors.Simultaneous estimation of the HY-2 satellite orbit and GPS orbit was performed using the data in Marchresulting HY-2 satellite orbits have been compared with CNES orbits and reduced dynamic orbits for GPSThe radical component of the GPS orbit was found to agree with better than 3 cm.

Keywords： Precise orbit determination     GPS     DORIS     SLR    

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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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The Largest Market for Civil Use of GPS ——Car Navigation System

Zhao Huiping

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 64-69

Abstract: According to the principle of positioning a new car navigation system of triple accuracy which consists of GPSAt present, the most wide civilian application of the GPS is the car navigation system.

Keywords： GPS     car navigation     intelligent transportation system (ITS)    

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Design of altimeter sea surface height calibration buoy based on GPS

Chen Chuntao,Yan Longhao,Zhang Xiaoxu,Zhang Qian,Zhai Wanlin,Zhu Jianhua

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 109-112

Abstract:

GPS buoy is the important instrument for the calibration of altimeterThis paper introduces the composition and operating principle of GPS buoy, and describes in detail theAnd finally used the numerical simulation, the rock and undulation of GPS buoy were experimented in theThe result shows that designed GPS buoy can meet the challenge of altimeter sea surface height calibration

Keywords： Satellite altimeter     calibration     GPS buoy     numerical simulation    

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A Survey of Sediment Fineness and Moisture Content in the Soyang Lake Floodplain Using GPS Data Article

Mutiara Syifa, Prima Riza Kadavi, Sung Jae Park, Chang-Wook Lee

Engineering 2021, Volume 7, Issue 2,   Pages 252-259 doi: 10.1016/j.eng.2020.12.011

Abstract: We used global positioning system (GPS) data and aerial photography to monitor sediment deposits in theData from three GPS units were compared to determine the accuracy of sampling location measurement.

Keywords： Soyang Lake     Grain fineness number     Moisture content     GPS data     Digital surface model    

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Influencing factors research of GPS buoy measurement precision

Yan Longhao,Chen Chuntao,Zhai Wanlin,Zhu Jianhua,Zhang Qian,Zhang Xiaoxu

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 102-108

Abstract: GPS buoys was mainstream devices in altimeter absolute calibration.Through simulation and experiment about the self-developed GPS buoy, this paperstudied the precisionof GPS bouy and factors affecting.The results show that the self-developed GPS GPS buoy elevation measurement

Keywords： GPS     buoy     precision     factors affecting     altimeter     calibration    

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Studies on Precise Spacecraft Navigation and Positioning Using GPS

Xiang Kaiheng,Qu Guangji

Strategic Study of CAE 2004, Volume 6, Issue 1,   Pages 86-91

Abstract:

In this paper, GPS measurement technology, Encke method to solve satellite orbit perturbation andCPPIDOD) for low earth orbit spacecraft on-board autonomous precise navigation and positioning using GPSof dynamically resolving of integer ambiguities and amendment of cycle slips in the application of GPSThey can significantly improve the performance of GPS positioning, and their models, algorithms and software

Keywords： spacecraft     navigation     GPS     carrier phase     Kalman filtering    

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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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Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013, Article

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Engineering 2020, Volume 6, Issue 8,   Pages 904-912 doi: 10.1016/j.eng.2019.09.001

Abstract: FengYun-3C (FY-3C) onboard BeiDou Navigation Satellite System (BDS) and Global Positioning System (GPSaveraged one-dimensional (1D) root mean square (RMS) of the overlapping orbit differences (OODs) for the GPS-onlyFor the BDS and GPS combined solution (also known as the GC combined solution), the averaged 1D RMS isMoreover, the GC POD (without GEO) was able to achieve slightly better accuracy than the GPS-only PODin 2017, indicating that the fusion of BDS and GPS observations can improve the accuracy of LEO POD.

Keywords： Fengyun-3C     LEO precise orbit determination     Onboard BDS and GPS     BDS code bias     BDS/GPS combined POD    

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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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Title Author Date Type Operation

A distributed EEMDN-SABiGRU model on Spark for passenger hotspot prediction

夏大文,耿建,黄瑞曦,申冰琪,胡杨,李艳涛,李华青

Journal Article

APFD: an effective approach to taxi route recommendation with mobile trajectory big data

Wenyong ZHANG, Dawen XIA, Guoyan CHANG, Yang HU, Yujia HUO, Fujian FENG, Yantao LI, Huaqing LI

Journal Article

Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Journal Article

Study of Existing Problems and Solution in Vehicle Monitoring System

Zhu Zhuangsheng,Wan Dejun,Wang Qing,Zhang Xiaoguo

Journal Article

Precise orbit determination technology based on dual-frequency GPS solution for HY-2A satellite

Lin Mingsen,Wang Xiaohui,Peng Hailong,Zhao Qile,Li Min

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

The Largest Market for Civil Use of GPS ——Car Navigation System

Zhao Huiping

Journal Article

Design of altimeter sea surface height calibration buoy based on GPS

Chen Chuntao,Yan Longhao,Zhang Xiaoxu,Zhang Qian,Zhai Wanlin,Zhu Jianhua

Journal Article

A Survey of Sediment Fineness and Moisture Content in the Soyang Lake Floodplain Using GPS Data

Mutiara Syifa, Prima Riza Kadavi, Sung Jae Park, Chang-Wook Lee

Journal Article

Influencing factors research of GPS buoy measurement precision

Yan Longhao,Chen Chuntao,Zhai Wanlin,Zhu Jianhua,Zhang Qian,Zhang Xiaoxu

Journal Article

Studies on Precise Spacecraft Navigation and Positioning Using GPS

Xiang Kaiheng,Qu Guangji

Journal Article

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

Journal Article

Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013,

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

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