Train Arrival Times At Highway Railroad Grade Crossing
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Estimating Train Arrival Times at Highway-Railroad Grade Crossing Using Multiple Sensors. By Diego B. Franca, M.Sc., Kittelson and Associates, Inc and Elizabeth “Libby” Jones, PhD Assoc. Professor, Civil Engineering, University of Nebraska - Lincoln Assoc. Director , Mid-America Transportation Center. Presented at 89th TRB Annual Meeting – Jan 2010.
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This document describes a logistics risk avoidance platform that provides end-to-end visibility and control over physical and digital supply chain processes. It discusses risks in logistics operations related to negligence, regulatory violations, and safety issues. The platform aims to help clients achieve assured regulatory compliance, proactive risk avoidance, and complete visibility over logistics operations through advanced modeling, analytics tools, and project monitoring capabilities.
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Speed report from panthpoath to russel square by pronob ghosh buet 1204011
Speed report from panthpoath to russel square by pronob ghosh buet 1204011
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Aircraft position estimation using angle of arrival of received radar signals
Comparison of PCU for Indian and American conditions
Comparison of PCU for Indian and American conditions
Traffi speed study on panthapath to russel square by pronob ghosh buet 1204011
Traffi speed study on panthapath to russel square by pronob ghosh buet 1204011
Signalized Intersections (Transportation Engineering)
Signalized Intersections (Transportation Engineering)
Lecture 01 Introduction (Traffic Engineering هندسة المرور & Dr. Usama Shahdah)
Lecture 01 Introduction (Traffic Engineering هندسة المرور & Dr. Usama Shahdah)
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Capacity & Level of Service: Highways & Signalized Intersections (Indo-HCM)
Machine Learning Approach to Report Prioritization with an ...
Machine Learning Approach to Report Prioritization with an ...
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Automated railway level crossing protection system-track circuit
This Simple-cost effective-easy to maintain track circuit can be used to identify an incoming train so that it can automatically trigger an alarm system as well as the railway gate. This system is assured to be fail-safe.
Implementation of automatic railway platform
This project aims to implement an automatic railway platform to help handicapped, elderly, and other citizens. The platform would be a mobile bridge between train tracks, allowing passengers to walk between platforms without using stairs. Sensors detect arriving and departing trains and microcontrollers control DC motors to move the platform backwards when a train arrives and forwards when it leaves, following an algorithm. This is intended to improve safety by preventing passengers from walking on the tracks.
Automatic railway gate control system
The document describes an automatic railway gate control system that uses sensors and a microcontroller to operate railway crossing gates. When a train is detected by infrared sensors, an alarm is triggered and the microcontroller then controls stepper motors to close the gates. The system uses an AT89C51 microcontroller, infrared sensors for train detection, stepper motors to move the gates, and a power supply to power the electrical components. Keil Microvision IDE is used for programming the microcontroller.
Automatic railway gate control
Automatic Railway Gate Control
Project Objective :
Provide an automatic railway gate at a Level crossing replacing the gates operated by the gatekeeper to provide safety to the road users by reducing the accidents.
video URL :
http://www.youtube.com/watch?v=c0Z61bOQp8w
RAILWAY LEVEL CROSSING ACCIDENTS PREVENTER - SAHAYA JUSTUS ANTONY.S
This document contains a bio-data and project proposal for a device called "Railway Level Crossing Accidents Preventer" submitted by S.Sahaya Justus Antony. The proposal includes an abstract describing the objective to create a fully automated railway crossing. It also includes sections on the introduction, block description, list of figures, and conclusion. The introduction describes how sensors would detect an approaching train and stop vehicles from crossing, then allow vehicles to pass after the train clears. The block description outlines the main components including a microcontroller, RF transmitter, RF receiver, and power supply.
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automated alert system for unmanned level crossing
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RAILWAY LEVEL CROSSING ACCIDENTS PREVENTER - SAHAYA JUSTUS ANTONY.S
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Sound Sensor Based Emergency Vehicle Preemption System using Microcontrolled ...
Sound Sensor Based Emergency Vehicle Preemption System using Microcontrolled ...Associate Professor in VSB Coimbatore
Traffic congestion is diagnosed as principal problems in current urban regions, that have triggered an awful lot uncomfortable for the ambulance to journey. Moreover, road accidents in the city have been increasing and to bar the loss of life due to accidents is even more crucial because the range of automobiles grows hastily each 12 months, more and more traffic congestion happens, turning into a huge trouble for civil engineers in almost all metropolitan cities. Emergency Vehicle Pre-emption systems play a key role in reprioritizing signalized traffic intersections.
This role is essential for safe and minimal travel put off of Emergency vehicles (EV) passing through avenue intersections. This paintings especially objectives on presenting answer for the problem faced via ambulances which can be transferring toward the visitors sign for the duration of excessive density visitors.
Review on Railway track crack detection using ir transmitter and receiver
This document describes a proposed system for detecting cracks in railway tracks using an IR transmitter and receiver. The system aims to provide a low-cost solution for crack detection that can help improve railway safety. It would work by having an IR transmitter on one side of the tracks and an IR receiver on the other side. The presence of a crack would cause a change in the light received, indicating a defect. It also includes a GPS module to locate any detected cracks and a GSM module to send the location information to railway authorities. The proposed system aims to automatically detect cracks without human intervention, provide fast monitoring and reporting, and help avoid accidents by identifying flaws in tracks early.
Urban transportation system - methods of route assignment
The document discusses various methods of route assignment in transportation systems, including:
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Methods of route assignment
This document summarizes different techniques for assigning routes in transportation network modeling. It describes the all-or-nothing assignment method, direction curve method, capacity restraint assignment techniques, and multi-route assignment technique. For each method, it provides details on the approach, limitations, and examples of models that use the technique. The document is presented by five students as part of their course on urban transportation systems.
Realtimeoptimized trafficmanagement
In the present scenario, research conducted is mostly based on determining the duration of green light.
Moreover the research papers published on Adaptive Traffic Management did not focus much on the
concept of handling Emergency Vehicles. This major role of this project is as a continuation to the
existing research papers published on this topic. Here we not only handle traffic effectively but also
elaborate on effective management of highly prioritized vehicles through all possible phases. In this
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CL436 Transport Planning Final Submission
This document proposes a light rail system to replace the existing heavy rail Cathcart Circle network in Glasgow. Key points of the proposal include:
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COORDINATION OF ACTUATED SIGNALS FOR A CORRIDOR
The document discusses platoon dispersion of heterogeneous traffic on a corridor in Chennai, India. Data on platoon sizes and travel times was collected at distances of 200-1400m between intersections under fixed-time signal control. Platoon sizes decreased with distance due to differences in vehicle speeds and interactions. The average travel speed was 46km/hr. Robertson's platoon dispersion model with a smoothing factor of 0.878 provided the best fit to the data. Traffic composition and distances between six intersections on the study corridor are also presented.
Spot speed studies.ppt .mylan nejyar
Spot speed studies involve measuring the speeds of individual vehicles passing a specific location on a roadway. This provides speed distribution data that can be used for traffic planning and safety purposes. There are both manual and automatic methods for collecting spot speed data. Manual methods involve using a stopwatch to time vehicles over a short known distance. Automatic methods include using road detectors, radar guns, or cameras to directly measure vehicle speeds. The collected speed data is typically presented through tables and graphs showing the frequency distribution and cumulative frequency of observed speeds. This allows calculations of speed percentiles and other metrics.
Fowe Thesis Full
Road-Traffic Monitoring and Routing;
Stochastic Algorithms For Safety and Efficiency
This is my thesis slides.
Intelligent Collision avoidance and monitoring system for railway using wirel...
In the current railway systems, it is becoming ever more necessary to have safety
elements in order to avoid accidents. One of the important causes that can provoke serious accidents
is the existence of obstacles on the tracks, either fixed or mobile. This project deals about one of the
efficient methods to avoid train collision and obstacle detection. A GPS system is being used to
pinpoint the location of faults on tracks. The project presents a solution, to provide an intelligent
train tracking and management system to improve the existing railway transport service. The solution
is based on powerful combination of mobile computing, Global System for Mobile Communication
(GSM), Global Positioning System (GPS) technologies and software. The inbuilt GPS module
identifies the train location with a highest accuracy and transfers the information to the central
system. The availability of the information allows the train Controller to take accurate decisions as
for the train location. Positioning data along with train speed helps the central system to identify the
possible safety issues and react to them effectively using the communication methods provided by
the system.
A Report on Spot Speed Study.pdf
1) A spot speed study was conducted at the road section from Panthapath intersection to Russel Square in Dhaka to determine the speed characteristics of vehicles. Over 570 vehicles were observed using the stopwatch method.
2) The statistical analysis found that the modal speed was 11 mph, with most vehicles traveling within the pace speed range of 6-16 mph. The 85th percentile speed was 17.5 mph, which can be used as the speed limit.
3) The standard deviation of 1.68 indicated a consistent speed distribution. The design speed calculated from the cumulative frequency curve was 29.1 mph. This data can be used for road design and traffic management decisions.
N010428796
This document summarizes an adaptive traffic control system based on an embedded Linux board and image processing. The system uses a Raspberry Pi single board computer and OpenCV to process video frames from a digital camera mounted at an intersection. Vehicle counts on each road are determined using background subtraction and a Kalman filter algorithm. Based on the vehicle densities, different signal times are assigned to each road to improve traffic flow. The system also prioritizes emergency vehicles using GSM and GPS modules. Traffic data is stored on a web server to synchronize signals across intersections. The system aims to provide smoother traffic flow compared to fixed-time traffic signals.
GDSS_IndabaX_Maranatha.pdf
This research aims to optimize time spent in traffic by implementing smart traffic lights in Ghana. Computer vision algorithms are used to detect vehicles from CCTV cameras at intersections and track them across frames. The number of vehicles in each lane will be communicated to traffic lights to determine which lane should be prioritized, based on current traffic conditions. This approach intends to reduce traffic jams and delays at intersections.
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1) The document tracks changes over 20 years to the traffic service quality in downtown Fort Worth using the Two-Fluid model. It calibrates the model for 1990 and 2012 to compare the Two-Fluid parameters (Tm, n) over time.
2) Key network attributes like block length, number of lanes, and signal timing were also compared between 1990 and 2012. Changes to these attributes help explain changes to the Two-Fluid parameters.
3) The results show certain attributes like the fraction of one-way streets and signal density are major factors in determining traffic service quality as represented by the Two-Fluid parameters. Comparing the 1990 and 2012 calibrations indicates how the downtown network
Anti Collision For Train using RF PPT.pptx
The document describes the development of an anti-collision detection system for trains. It modifies the throttle and braking systems to integrate the new detection system. The system uses sensors to monitor the distance to the preceding train and automatically adjusts speed and distance to enhance safety. It can reduce speed before a collision if trains get too close. The system helps in congested traffic by controlling both velocity and distance between trains.
1
This document proposes using a Markov chain model to calculate the probability of collision for intelligent vehicles communicating over a connected vehicle network. It describes modeling the safety of two vehicles as they exchange safety messages. States in the Markov chain model represent different levels of awareness based on recently received safety messages. Transition probabilities between states are calculated based on the probability of losing messages. Simulation results show the Markov model predictions match those of a Monte Carlo simulation for various parameters like distance, message interval, and vehicle velocity. The model can estimate collision probability for vehicles using connected vehicle technologies.
Adaptive Beaconing Schemes in VANETs: Hybrid Approach
This document presents an overview and comparison of three hybrid adaptive beaconing schemes proposed for vehicular ad hoc networks (VANETs). The schemes aim to optimize beacon dissemination by adjusting transmission power, data rate, and/or contention window size based on factors like vehicle density, channel load, and speed. The first scheme jointly adapts power and contention window size using an enhanced distributed channel access mechanism. The second scheme considers power, contention window, and rate, adjusting them according to measured congestion level. The third scheme optimizes reception probability by adjusting power and rate based on vehicle speed, acceleration, channel load, and other parameters. The schemes are contrasted based on their classification, performance criteria, control parameters,
Intelligent Transportation System
The document discusses Intelligent Transportation Systems (ITS). ITS uses advanced technologies like electronics, computers, communications and sensors to improve transportation safety and efficiency. It describes several ITS technologies like wireless communications, computational technologies, and sensing technologies. It also discusses ITS applications such as electronic toll collection, emergency notification, congestion pricing, automatic enforcement, collision avoidance and traveler information. Finally, it outlines benefits of ITS such as time savings, improved safety, reduced costs and emissions.
MMauch HOC presentation-oct-04-2013
PSU Friday Transportation Seminar 10/4/2013, featuring Michael Mauch of DKS Associates: Real-world traffic trends observed in PORTAL and INRIX traffic data are used to expand the performance measures that can be obtained from Portland Metro's travel demand model to include the number of hours of congestion that can be expected during a typical weekday and travel time reliability measures for congested freeway corridors.
Accident Avoidance and Privacy-Preserving in V2R Communication using Chord Al...
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
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[To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
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