Experimental study of pedestrian flow mixed with wheelchair users through funnel-shaped bottlenecks

Pan, Hongliang; Zhang, Jun; Song, Weiguo

doi:10.1088/1742-5468/ab6b1c

Cited by 27 publications

(14 citation statements)

References 28 publications

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“…In a similar story to investigate the effect of changing the narrow bottlenecks to funnelshaped bottlenecks on crowd evacuation, Oh and Park [28] explored the evacuation of mice and then simulated that to extract crowd evacuation; they found that by changing the configuration from narrow bottlenecks to funnel-shaped bottlenecks, the efficiency of the bottleneck increased. These results have been confirmed in experimental studies with human participants conducted by different researchers [26,27,29]. It should be mentioned, however, that in all these studies, the funnel-shaped bottlenecks with human participants were located in the middle of the walkway.…”

Section: Discussionsupporting

confidence: 62%

“…They concluded that the most efficient bottleneck was the funnel-shaped bottleneck with an angle between 46 • and 65 • . Another recent study by Pan et al [29] investigated the impact of wheelchair users and 4 different angles of funnel-shaped bottleneck on evacuation flow. The narrow point of the bottleneck in each case was 1.2 m and the angles considered were 0 • (i.e.…”

Section: Introductionmentioning

confidence: 99%

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A Comparative Study of Flows Through Funnel-Shaped Bottlenecks Placed in the Middle and Corner

2022

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Upon exiting buildings, theatres, and stadiums, which house a great number of people, egress points can act as bottlenecks, resulting in crowded exits and decreased flows. Most studies investigating flow have been conducted in either narrow bottlenecks (doors) or funnel shape bottlenecks, with the latter investigating bottlenecks placed in the middle of the walkway. This study investigates, for the first time, crowd flow through funnel-shaped bottlenecks placed in the corner of the walkway and makes comparisons with similar bottlenecks of the same length, entrance and exit width placed in the middle of the walkway. The entry width and exit width of the bottlenecks were 3 m and 1 m respectively, with lengths varying from 1 m to 4 m; they continued into a 10 m corridor. Ninety-four participants of various ages were observed moving through each of the configurations. The results indicated that using funnel-shaped bottlenecks in the middle of the walkway increased the flow rate significantly compared to the corner in bottlenecks with 2 m and 3 m lengths. This is contrary to what some other researchers have found for narrow bottlenecks placed in the middle and corner of a wall, although it is recognised that the configuration of funnel-shaped bottlenecks makes the comparison more complex and further work is required in this area. Notwithstanding these results are considered valuable for consideration when designing egress points and corridors in complex buildings such as metro and train stations.

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Section: Discussionsupporting

confidence: 62%

Section: Introductionmentioning

confidence: 99%

A Comparative Study of Flows Through Funnel-Shaped Bottlenecks Placed in the Middle and Corner

2022

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“…The degree of this impact is also depending on the design (i.e. the angle) of the bottleneck [46]. In general, the underlying dynamics of social groups can indeed have a significant impact in emergency scenarios [44,73].…”

Section: Discussionmentioning

confidence: 99%

A review on the role of functional limitations on evacuation performance using the International Classification of Functioning, Disability and Health

et al. 2020

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This scoping review addresses the role of functional limitations on evacuation performance of adults in public buildings. Although this topic has been addressed in evacuation research, no linkage is currently available between functional limitations, the predominant activities affected by them and evacuation performance. This review strives to open a debate on the need to classify the impact of disability in terms of functional limitations on evacuation performance according to methods adopted in health science. This paper reviews literature concerning evacuation from public buildings with adults aged ≥ 60 years and/or adults aged ≥ 18 years with functional limitations. The International Classification of Functioning, Disability and Health has been used to identify predominant activities during an evacuation and to perform a structured classification at different levels of resolution to address self-evacuation possibilities. Results of the review are presented in a tabular form linking predominant activities in terms of the International Classification of Functioning, Disability and Health and six categories of functional limitations with the engineering evacuation time-line. The suggested classification can facilitate the assessment of the evacuation-related issues in buildings in relation to the population under consideration. The main research gaps identified include the lack of studies concerning the impact of cognitive limitations on egress, and the need to add the temporal dimension to the methods adopted in accessibility research to allow for their use in the egress field.

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“…The adopted technology has the wheelchair to automatically [5]- [7] move in a safe position, and sensor signals are used to make driving easier [8], [9]. These technologies enable efficient wheelchairs to move in crowded places [10]. Such wheelchairs determine the position of movement within the building using 3D simulations to simulate the movement situation for the elderly to practice using wheelchairs effectively [11]- [14].…”

Section: Introductionmentioning

confidence: 99%

Automatically Moving Robot Intended for the Elderly with Voice Control

Piyaneeranart

Ketcham

2021

Int. J. Onl. Eng.

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This research aims at an automatically moving robot intended for the elderly with voice control using voice recognition that gives a direction to the robot by a voice command. The development of this robot employed an algorithm that converts voice to text to control the robot mobility. The performance testing of the automatically moving robot intended for the elderly with Thai language voice commands revealed an accuracy of voice-to-text conversion for commanding the robot to move in designated directions of 100 percent, and the accuracy of voice-to-text conversion for commanding the robot to move in designated directions using English language was 80 percent, while that for both Thai and English commands was 70 percent. Errors in voice-to-text conversion occurred when commands were not clearly spoken or pronounced or when commands were issued from people located in a very noisy place.

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Experimental study of pedestrian flow mixed with wheelchair users through funnel-shaped bottlenecks

Cited by 27 publications

References 28 publications

A Comparative Study of Flows Through Funnel-Shaped Bottlenecks Placed in the Middle and Corner

A Comparative Study of Flows Through Funnel-Shaped Bottlenecks Placed in the Middle and Corner

A review on the role of functional limitations on evacuation performance using the International Classification of Functioning, Disability and Health

Automatically Moving Robot Intended for the Elderly with Voice Control

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