Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Movement Joints in Buildings01:27

Movement Joints in Buildings

117
Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...
117
Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

605
In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
605
Types of Building Separation Joints01:23

Types of Building Separation Joints

224
Building separation joints divide large or complex building structures into smaller, discrete units that can move independently. These joints are categorized into three types: volume-change joints, settlement joints, and seismic separation joints.
Volume-change joints address the effects of expansion and contraction due to temperature and moisture variations. They are strategically placed at discontinuities in a building's mass where cracking is most likely and are spaced about 150 to 200...
224
Directional Relays01:25

Directional Relays

113
Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
113
Control Systems: Applications01:25

Control Systems: Applications

611
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
611
PI Controller: Design01:24

PI Controller: Design

269
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
269

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026

Related Experiment Video

Updated: Jul 2, 2025

Design and Analysis for Fall Detection System Simplification
08:05

Design and Analysis for Fall Detection System Simplification

Published on: April 6, 2020

10.7K

Intelligent Evacuation Sign Control Mechanism in IoT-Enabled Multi-Floor Multi-Exit Buildings.

Hong-Hsu Yen1, Cheng-Han Lin2

  • 1Department of Information Management, Shih Hsin University, Taipei 116, Taiwan.

Sensors (Basel, Switzerland)
|February 24, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces an intelligent evacuation sign system that dynamically guides people to safety using sensors. The new system significantly improves evacuation success rates in fire emergencies compared to traditional signs.

Keywords:
congestion-aware evacuationevacuation signmulti-floor multi-exit buildingoptimizationsmoke-safe evacuation

More Related Videos

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

11.6K
A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

6.0K

Related Experiment Videos

Last Updated: Jul 2, 2025

Design and Analysis for Fall Detection System Simplification
08:05

Design and Analysis for Fall Detection System Simplification

Published on: April 6, 2020

10.7K
The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

11.6K
A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

6.0K

Area of Science:

  • Fire Safety Engineering
  • Building Evacuation Systems
  • Intelligent Control Systems

Background:

  • Traditional evacuation signs offer static guidance, which is ineffective in dynamic fire scenarios where exits may become compromised.
  • Existing systems lack adaptability to real-time environmental changes like smoke and heat, potentially leading evacuees towards danger.

Purpose of the Study:

  • To develop and validate an intelligent evacuation sign control mechanism that dynamically adjusts guidance based on real-time fire conditions.
  • To enhance occupant safety by ensuring evacuation routes remain viable and uncongested during emergencies.

Main Methods:

  • A novel ESP (Evacuation Safety Path) heuristic was mathematically formulated to identify temperature-safe, smoke-safe, and congestion-aware evacuation paths.
  • Fire simulations were conducted using FDS software 6.7.1 in a realistic setting (Taipei 101 shopping mall) to test the system.
  • The ESP algorithm utilized simulated sensor data for temperature and smoke to dynamically control evacuation sign direction.

Main Results:

  • The ESP algorithm demonstrated superior performance over the existing FEL algorithm in guiding evacuees.
  • Evacuation success probability increased by up to 34% in methane fire and 14% in PVC fire scenarios compared to the FEL algorithm.
  • The benefits of the ESP algorithm were particularly significant in densely congested evacuation situations.

Conclusions:

  • The proposed intelligent evacuation sign system offers a significant advancement over static signage by adapting to dynamic fire conditions.
  • This dynamic guidance system enhances evacuation efficiency and safety, especially in complex and crowded environments.
  • The ESP heuristic provides a robust method for real-time pathfinding in emergency evacuations.