Video Experimental Relacionado

Updated: Sep 9, 2025

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

Un nuevo marco de evaluación del riesgo del flujo peatonal basado en datos para evitar incidentes de estampida

Zi-Xuan Zhou¹, Kai Liu², Pei-Yang Wu³

¹College of Engineering, Peking University, Beijing, China.

Accident; analysis and prevention

|August 30, 2025

Resumen

Este estudio introduce un marco basado en datos para controlar las multitudes de alta densidad, mejorando la seguridad en los espacios públicos. Permite la detección temprana de los riesgos de hacinamiento mediante el análisis del flujo de peatones y la capacidad del edificio.

Área de la Ciencia:

* Ciencias sociales computacionales
* Planificación urbana y seguridad
* Inteligencia artificial en la gestión de multitudes

Sus antecedentes:

* Las herramientas de simulación de multitudes existentes luchan con complejidades del mundo real como destinos variados y flujos multidireccionales.
* El control de las aglomeraciones de alta densidad en espacios públicos es crucial para prevenir accidentes y garantizar la seguridad.
* Las zonas comunes presentan a menudo diseños espaciales complejos que desafían los métodos actuales de control.

Objetivo del estudio:

* Introducir un nuevo marco multiagente basado en datos para evaluar la dinámica de las multitudes y las condiciones de alerta temprana.
* Desarrollar un sistema capaz de manejar diversos diseños espaciales y comportamientos peatonales.
* Mejorar la predicción y prevención de incidentes de hacinamiento en espacios públicos.

Principales métodos:

* Utiliza información visual en tiempo real y aprendizaje por refuerzo para la toma de decisiones inteligentes.
* Utiliza un algoritmo auto-iterativo para la planificación de la trayectoria que imita el movimiento de los peatones en el mundo real.
* Asegura la adaptabilidad del modelo en varios escenarios sin necesidad de ajustar los parámetros.

Principales resultados:

* El marco reproduce con precisión el flujo de peatones en diversos escenarios complejos.
* Se ha identificado una transición de estado discontinua en el flujo peatonal a medida que aumenta la densidad.
* Propuso un método para detectar la capacidad de tráfico de edificios y establecer umbrales de advertencia de hacinamiento.

Conclusiones:

* El marco desarrollado evalúa eficazmente la dinámica de las multitudes y predice las condiciones de alerta temprana.
* El diseño espacial racional y la orientación de la información pueden mejorar significativamente la movilidad y reducir los riesgos de estampida.
* El enfoque ofrece un método para la gestión proactiva de la seguridad de las multitudes sin expansión arquitectónica.

Palabras clave:

Flujo peatonal multidireccional Aprendizaje por refuerzo Capacidad de seguridad Prevención de las estampidas Información visual

Más Videos Relacionados

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

Videos de Conceptos Relacionados

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Pre-Procedural Guidelines for Assessing Blood Pressure

Pre-Procedural Guidelines for Assessing Blood Pressure

Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...

Elastic Collisions: Case Study

Elastic Collisions: Case Study

Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...

Distributed Loads: Problem Solving

Distributed Loads: Problem Solving

Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...

Turbulent Flow: Problem Solving

Turbulent Flow: Problem Solving

Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...

Uniform Depth Channel Flow: Problem Solving

Uniform Depth Channel Flow: Problem Solving

To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...