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Increasing Accuracy in Train Localization Exploiting Track-Geometry Constraints

Hanno Winter, Volker Willert, Jurgen Adamy
2018 2018 21st International Conference on Intelligent Transportation Systems (ITSC)  
Train-borne localization systems as a key component of future signalling systems are expected to offer huge economic and operational advances for the railway transportation sector.  ...  This is achieved by exploiting track-geometry constraints known in advance, as there are strict rules for the construction of railway tracks.  ...  Thereby, T r represents the current track in a parametric form with respect tol. Since a track geometry T r can not always be identified (c. f. Sec.  ... 
doi:10.1109/itsc.2018.8569456 dblp:conf/itsc/WinterWA18 fatcat:ragwummihzdcloa773te7mvwqm

Bare PCB inspection for Track cut, Track Short and Pad Damage using simple Image Processing Operations

2019 International Journal of Engineering and Advanced Technology  
In this paper most commonly occurring Bare PCB defects such as Track Cut, Track short and Pad Damages are detected by Image processing techniques.  ...  Reference PCB without having any defects is compared with test PCB having defects to identify the defects and x-y coordinates of the center of the defects along with radii are obtained using Difference  ...  ., Mysore for his total support in this research by providing sufficient information about the most commonly occurred defects along with scrap analysis and sample bare board PCBs for it to be carried out  ... 
doi:10.35940/ijeat.f8739.088619 fatcat:xxr3g5ta6fd2vnkg2f7alppcxa

Implemention of a Laboratory Information System in Zimbabwe

Rita Sembajwe, Tendai Shamu, Fortunate Machingura, Henry Chidawanyika
2018 Online Journal of Public Health Informatics  
Based on the evaluation, a single system (LIMS) was selected, adopted and adapted for use at six representative laboratories, including Zimbabwe's National Microbiology Reference Laboratory.On-Site classroom  ...  Compounding these problems further is a manual system for tracking large volumes of samples.  ...  Acknowledgments This work falls under a project that has been supported by the U.S. President's Emergency Plan for AIDS Relief, through the U.S. Centers for Disease Control and Prevention.  ... 
doi:10.5210/ojphi.v10i1.8909 fatcat:nb6odsr4xjhcvk3m2c2wl7l4te

An Indoor Fingerprinting Localization Approach for ZigBee Wireless Sensor Networks [article]

Tareq Alhmiedat, Ghassan Samara, Amer O. Abu Salem
2013 arXiv   pre-print
However, fingerprinting systems require the collection of a large number of reference points in the tracking area to achieve reasonable localization accuracy.  ...  The proposed system does not require gathering a large number of reference points and offers good localization accuracy indoors.  ...  The features can be identified based on the RSS values collected from adjacent beacon nodes { } 1 2 , , , z b b b … at the reference points in the subarea i A .Assume that the set B represents the beacon  ... 
arXiv:1308.1809v1 fatcat:5x2ufdsnk5fsveqodofebw6a4e

Data fusion to improve trajectory tracking in a Cooperative Surveillance Multi-Agent Architecture

Federico Castanedo, Jesús García, Miguel A. Patricio, José M. Molina
2010 Information Fusion  
We show how the inclusion of this new dynamic local fusion agent guarantee that, in a video-surveillance system, objects of interest are successfully tracked across the whole area, assuring continuity  ...  ), local layer within coalitions, with the dynamic instantiation of a local fusion agent.  ...  Let n be the number of autonomous agents in the set A representing the multi-agent system, A = {A 1 , A 2 , . . . , A n }.  ... 
doi:10.1016/j.inffus.2009.09.002 fatcat:mzaqaqxd4fgsjksemqbidvtwmi

Mapping Picometer Scale Periodic Lattice Distortions with Aberration Corrected Scanning Transmission Electron Microscopy

Benjamin H. Savitzky, Ismail El Baggari, Alemayehu S. Admasu, Jaewook Kim, Sang-Wook Cheong, Robert Hovden, Lena F. Kourkoutis
2017 Microscopy and Microanalysis  
By combining picometer precision atom tracking with a Fourier approach to generate a reliable reference lattice, we reveal the detailed local structure of PLDs in BSCMO. [1] A.  ...  By identifying and damping all satellite peaks associated with a single modulation from the Fourier transform of the original image (Fig. 2c-e) , we generate a local reference lattice.  ...  By combining picometer precision atom tracking with a Fourier approach to generate a reliable reference lattice, we reveal the detailed local structure of PLDs in BSCMO. [4] BHS acknowledges support from  ... 
doi:10.1017/s1431927617002781 fatcat:w2e6yi5wcndfpkbxe5zvbjgrua

Performance Analysis of Low-Cost Tracking System for Mobile Robots

Andrea Botta, Giuseppe Quaglia
2020 Machines  
to a reference conveniently placed in the environment, in order to produce results that are easily interpretable by a user.  ...  This paper proposes a reliable and straightforward approach to mobile robots (or moving objects in general) indoor tracking, in order to perform a preliminary study on their dynamics.  ...  Data represented in this reference frame are not always convenient and easy to understand by a user that desires to track a robot or a vehicle trajectory, in particular if the moving agent is not related  ... 
doi:10.3390/machines8020029 fatcat:c23n7qbyjrba7do56z3cruthge

A REAL-TIME LOCATION-BASED CONSTRUCTION LABOR SAFETY MANAGEMENT SYSTEM

Kwang-Pyo Lee, Hyun-Soo Lee, Moonseo Park, Hyunsoo Kim, Sangwon Han
2014 Journal of Civil Engineering and Management  
The system is developed by integrating: a real-time locating system (RTLS) for tracking of workers' location; a location monitoring system for mapping the workers location on a computerized building model  ...  This paper introduces a real-time location-based construction labor safety management system that tracks and visualizes workers' locations in real-time and sends early warnings to endangered workers.  ...  The building registration function enables the users to represent the outline of a building in the monitoring system.  ... 
doi:10.3846/13923730.2013.802728 fatcat:6pqjkdyphnetlc7tegr5wlsn5u

Generating Compact Geometric Track-Maps for Train Positioning Applications

Hanno Winter, Stefan Luthardt, Volker Willert, Jurgen Adamy
2019 2019 IEEE Intelligent Vehicles Symposium (IV)  
In this paper, we present a method to generate compact geometric track-maps for train-borne localization applications.  ...  Therefore, we first give a brief overview on the purpose of track maps in train-positioning applications.  ...  Furthermore, we like to thank Thales affording us to collect the raw data with their test vehicle LUCY, and the group of Geodetic Measurement Systems and Sensors at TU Darmstadt for providing the IMU/GNSS  ... 
doi:10.1109/ivs.2019.8813901 dblp:conf/ivs/WinterLWA19 fatcat:pq7moyxfqza25iufopx64twefy

Generating Compact Geometric Track-Maps for Train Positioning Applications [article]

Hanno Winter, Stefan Luthardt, Volker Willert, Jürgen Adamy
2019 arXiv   pre-print
In this paper, we present a method to generate compact geometric track-maps for train-borne localization applications.  ...  The optimization is initialized with the results from a localization filter developed in our previous work.  ...  Furthermore, we like to thank Thales affording us to collect the raw data with their test vehicle LUCY, and the group of Geodetic Measurement Systems and Sensors at TU Darmstadt for providing the IMU/GNSS  ... 
arXiv:1903.05014v2 fatcat:lj33avc355dq5m7mxt2w6mqe2i

Identifying Sources and Sinks and Detecting Dominant Motion Patterns in Crowds

Sultan Daud Khan, Giuseppe Vizzari, Stefania Bandini
2014 Transportation Research Procedia  
In this paper we propose an original technique to identify these points and characterize dominant pedestrian flows.  ...  The paper presents the defined technique and it discusses its application in a real-world scenario.  ...  We employ this clustering procedure in two different phases: (i) when analyzing tracklets inside a sequence, to achieve local tracks within the related time interval; (ii) when combining local tracks into  ... 
doi:10.1016/j.trpro.2014.09.030 fatcat:rzqbwu7ipndv7lehf6t4ulrzce

Using XML technologies to organize electronic reference resources

Vojtech Huser, Guilherme Del Fiol, Roberto A Rocha
2005 AMIA Annual Symposium Proceedings  
Provision of access to reference electronic resources to clinicians is becoming increasingly important.  ...  We have created a framework for librarians to manage access to these resources at an enterprise level, rather than at the individual hospital libraries.  ...  In addition, IHC's clinical information system had a different web page with links to e-resources.  ... 
pmid:16779278 pmcid:PMC1560750 fatcat:m53jquhsnbdk5fre6qzqxv35tq

Validation of smartphone gyroscopes for mobile biofeedback applications

Anton Umek, Anton Kos
2016 Personal and Ubiquitous Computing  
The validation method includes measurements of angular motion performed concurrently by a smartphone gyroscope and a professional optical tracking system serving as the reference.  ...  One particular use of smartphone inertial sensors is motion tracking in various mobile systems and applications.  ...  A comparison of smartphone gyroscopes with a reference tracking system is given in Sect. 5 with the final gyroscope validation. We conclude in Sect. 6.  ... 
doi:10.1007/s00779-016-0946-4 fatcat:flp73qblsjhfzpg3dy2wewkt6i

Challenges

Moustafa Youssef, Matthew Mah, Ashok Agrawala
2007 Proceedings of the 13th annual ACM international conference on Mobile computing and networking - MobiCom '07  
A DfP system is envisioned to be able to detect, track, and identify entities that do not carry any device, nor participate actively in the localization process.  ...  In addition, they usually require the tracked device to participate actively in the localization process. In this paper, we introduce the concept of Device-free Passive (DfP) localization.  ...  A DfP system is envisioned to be able to detect, track, and identify entities that do not carry any device, nor participate actively in the localization process.  ... 
doi:10.1145/1287853.1287880 dblp:conf/mobicom/YoussefMA07 fatcat:n7fl5fe6dvh7tjfrbgibsnpe7y

Information modeling for direct control of distributed energy resources

Benjamin Biegel, Palle Andersen, Jakob Stoustrup, Lars Henrik Hansen, David Victor Tackie
2013 2013 American Control Conference  
The primary frequency reserve must be based on a local control loop using local system frequency measurements. 2) Secondary Frequency Reserve: The secondary frequency reserve, often referred to as the  ...  controlled for reference tracking M Schedule tracking status Value Explanation 0 DER is not remotely controlled for schedule tracking 1 DER is remotely controlled for schedule tracking M Local  ... 
doi:10.1109/acc.2013.6580372 fatcat:7sj6gfx4x5cszd27o4vh2n2cke
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