Real-time collision handling in railway transport network: an agent-based modeling and simulation approach

Dalapati, Poulami; Padhy, Abhijeet; Mishra, Bhawana; Dutta, Animesh; Bhattacharya, Swapan

doi:10.1080/19427867.2017.1395983

Cited by 9 publications

(8 citation statements)

References 26 publications

(52 reference statements)

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“…Truck platoon planning Investigate truck platoon possibilities and evaluate waiting times [1] ABS Freight operations Evaluate freight-unloading operations [25] Freight pickup and delivery [26] DES DES Multimodal and intermodal transport Analyse multimodal freight-routing system [27] DES Railway network design Avoid collisions [28] ABS Analyse queuing systems of rail network [4] DES…”

Section: Logistics Areas Problems Methodsmentioning

confidence: 99%

Minimum Viable Model (MVM) Methodology for Integration of Agile Methods into Operational Simulation of Logistics

et al. 2022

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Background: Logistics problems involve a large number of complexities, which makes the development of models challenging. While computer simulation models are developed for addressing complexities, it is essential to ensure that the necessary operational behaviours are captured, and that the architecture of the model is suitable to represent them. The early stage of simulation modelling, known as conceptual modelling (CM), is thus dependent on successfully extracting tacit operational knowledge and avoiding misunderstanding between the client (customer of the model) and simulation analyst. Objective: This paper developed a methodology for managing the knowledge-acquisition process needed to create a sufficient simulation model at the early or the CM stage to ensure the correctness of operation representation. Methods: A minimum viable model (MVM) methodology was proposed with five principles relevant to CM: iterative development, embedded communication, soliciting tacit knowledge, interactive face validity, and a sufficient model. The method was validated by a case study of freight operations, and the results were encouraging. Conclusions: The MVM method improved the architecture of the simulation model through eliciting tacit knowledge and clearing up communication misunderstandings. It also helped shape the architecture of the model towards the features most appreciated by the client, and features not needed in the model. Originality: The novel contribution of this work is the presentation of a method for eliciting tacit information from industrial clients, and building a minimally sufficient simulation model at the early modelling stage. The framework is demonstrated for logistics operations, though the principles may benefit simulation practitioners more generally.

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Section: Logistics Areas Problems Methodsmentioning

confidence: 99%

Minimum Viable Model (MVM) Methodology for Integration of Agile Methods into Operational Simulation of Logistics

et al. 2022

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“…Dalapati et al. (2017) presented an approach to avoid the collisions in the railway traffic system, including the collisions between the trains in the railway sections and in the stations, which implied that the station tracks usage plan must be designed [34]. Bettinelli et al.…”

Section: Related Workmentioning

confidence: 99%

“…Chen et al (2015) developed a departure time domain for passenger trains under the constrained receiving and dispatching capacities of arrival-departure tracks in a railway station [33]. Dalapati et al (2017) presented an approach to avoid the collisions in the railway traffic system, including the collisions between the trains in the railway sections and in the stations, which implied that the station tracks usage plan must be designed [34]. Bettinelli et al (2017) studied the real-time resolution of conflicts arising in real-world train management applications, aiming at defining a set of actions which must be implemented to grant safety, e.g.…”

Section: Related Workmentioning

confidence: 99%

An integrated model for train rescheduling and station track assignment

Meng

Wang

Xiang

et al. 2020

IET Intelligent Trans Sys

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Both train rescheduling and station track assignment have become hot topics in recent years. It is fundamentally important to do the rescheduling and track assignment work at the same time to avoid the feasibility risk of the re‐scheduled timetable. The purpose of this paper is to design an integrated model for train rescheduling and track assignment in order to provide an integrative plan for the trains to run on the railway sections and go through stations. Based on the existing train rescheduling model, the model is designed by adding the constraints and the optimization goal of track assignment. The goal of track assignment is to maximize the equilibrium of the track usage time, and the constraint is that two trains cannot occupy a same track at the same time. An artificial bee colony algorithm is used to solve the model to get the operation plan. A computing experiment was carried out to prove the effectiveness of the model and the efficiency of the algorithm. The approach presented in this paper can provide a reference for the developers of a railway dispatching system.

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“…To prevent the welding torch from colliding with the pipeline that was to be welded, collision detection was designed in the virtual reality system in this research and an early warning was given for the collision event that occurred (Mingxia and Xinqiang, 2020). In Unity3D, the necessary condition for collision is that one object needs to have a collider and another object needs to have a collider and a rigid body (Dalapati et al, 2017). To make a believable and logical virtual reality system and to achieve realtime and fast collision detection, it was imperative to add a collider and a rigid body to the static model and to add a mobile collider and a rigid body to the dynamic model.…”

Section: Achievement Of Collision Detectionmentioning

confidence: 99%

“…In Unity3D, the necessary condition for collision is that one object needs to have a collider and another object needs to have a collider and a rigid body (Dalapati et al , 2017). To make a believable and logical virtual reality system and to achieve real-time and fast collision detection, it was imperative to add a collider and a rigid body to the static model and to add a mobile collider and a rigid body to the dynamic model.…”

Section: Human-computer Interaction Design and Collision Detection Im...mentioning

confidence: 99%

Research on the virtual reality technology of a pipeline welding robot

Luo

Fang

Guo

et al. 2020

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Purpose This paper aims to improve the scene sense of a virtual scene, the welding model of a virtual reality system of riser automatic equipment was constructed using Unity3D and UG software, which mainly included a welding car, welding guide rail, welding power supply, virtual camera and other equipment and the model was rendered. Design/methodology/approach The human-computer interaction page and simulation test of the system was produced using the user interface GUI system for creating a human-computer interaction scene. The operator could capture the welding status of the physical equipment accurately and in real-time so the virtual reality technology was very suitable for the remote monitoring operation integrated with the welding system. Findings Human-computer interaction design and collision detection were realized. In addition, the system simulation experiment was accomplished. With the continuous improvement and development of virtual reality technology real-time virtual simulation and monitoring, technology will become the main development trend. Research limitations/implications Based on virtual reality, the monitoring system can capture the operation status of physical welding equipment in real-time and accurately, which is very suitable for remote monitoring operation integrated with the welding system and also conducive to improving the monitoring level of the welding process. Practical implications This technology is time-saving and money-saving, for the operators do not have to be in a real welding environment and therefore they can get away from dangerous places. Consequently, it can avoid unnecessary injuries and problems. Social implications This technology can replace people to enter the dangerous and extreme environment to carry out welding operation, so it becomes the most effective means of nuclear power plant maintenance, space structure construction and marine engineering construction. In addition, it is time-saving and money-saving. Originality/value With the rapid development of virtual reality technology in recent years, it is a new research direction to apply virtual reality technology to the remote welding operation. This technology is different from the traditional way of welding for the operators can stay away from the welding scene especially some dangerous places.

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Real-time collision handling in railway transport network: an agent-based modeling and simulation approach

Cited by 9 publications

References 26 publications

Minimum Viable Model (MVM) Methodology for Integration of Agile Methods into Operational Simulation of Logistics

Minimum Viable Model (MVM) Methodology for Integration of Agile Methods into Operational Simulation of Logistics

An integrated model for train rescheduling and station track assignment

Research on the virtual reality technology of a pipeline welding robot

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