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Related Concept Videos

Control Systems01:10

Control Systems

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Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
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Control Systems: Applications01:25

Control Systems: Applications

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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.
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Open and closed-loop control systems01:17

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Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
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Feedback control systems01:26

Feedback control systems

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Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
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PD Controller: Design01:26

PD Controller: Design

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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
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Bioreactor Controls-I01:28

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Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
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Related Experiment Video

Updated: May 2, 2026

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System
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Automated Access Control System for Pediatric Ward Safety: Workflow Impact.

Shozo Konishi1, Kana Kodama1, Kento Sugimoto1

  • 1Department of Medical Informatics, Osaka University Graduate School of Medicine.

Studies in Health Technology and Informatics
|May 17, 2025
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Summary

Automated visitor screening using facial recognition and temperature monitoring reduced nurse disruptions in pediatric wards. This system significantly decreased intercom calls, improving hospital workflow.

Keywords:
Access controlface recognitionwork interruption

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Area of Science:

  • Pediatric Healthcare Technology
  • Hospital Workflow Optimization
  • Biometric Access Control

Background:

  • Manual visitor screening at pediatric wards using intercoms often disrupted nursing staff workflows.
  • Inefficient screening processes can impact patient care and staff efficiency.

Purpose of the Study:

  • To evaluate the effectiveness of an automated access control system in reducing disruptions.
  • To assess the impact of integrating facial recognition and temperature monitoring with existing intercom systems.

Main Methods:

  • Implemented an automated access control system with facial recognition and body temperature monitoring.
  • Integrated the new system with the existing intercom for authorized guardians of long-term hospitalized children.
  • Collected data on intercom call frequency before and after system implementation.

Main Results:

  • A significant decrease in intercom calls was observed after the system's implementation.
  • Intercom calls reduced from a median of 139 to 120 (p=0.004).
  • The automated system streamlined visitor access for authorized guardians.

Conclusions:

  • Automated access control systems can effectively reduce nursing workflow disruptions in pediatric settings.
  • Facial recognition and temperature monitoring offer a viable solution for efficient visitor management.
  • Technological integration can enhance hospital operational efficiency and patient care environments.