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Related Concept Videos

Range00:59

Range

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The range is one of the measures of variation. It can be defined as the difference between a dataset's highest and lowest values. For example, in the study of seven 16-ounce soda cans, the filled volume of soda was measured, thus producing the following amount (in ounces) of soda:
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
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Methods of Documentation I: Source-Oriented Records01:18

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Source-oriented records, or SOR, are medical record-keeping organized by the data source. The SOR system was first developed in the mid-1900s to organize the growing patient data in hospitals and other healthcare facilities.
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
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Space Trusses01:25

Space Trusses

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A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
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State Space Representation01:27

State Space Representation

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The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
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Movement Joints in Buildings01:27

Movement Joints in Buildings

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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.
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¹H NMR: Long-Range Coupling01:27

¹H NMR: Long-Range Coupling

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The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
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Fire Source Range Localization Based on the Dynamic Optimization Method for Large-Space Buildings.

Guoyong Wang1, Xiaoliang Feng2, Zhenzhong Zhang3

  • 1Luoyang Institute of Science and Technology, Luoyang 471000, China. standardwgy@163.com.

Sensors (Basel, Switzerland)
|June 20, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces two dynamic optimization methods for fire localization in large buildings. These techniques accurately pinpoint fire source locations using circular arrangements, improving building safety systems.

Keywords:
dynamic optimizationfire source localizationglobal informationsensor arraythe Range-Point-Range framethe Range-Range-Range frame

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Area of Science:

  • Engineering
  • Computer Science
  • Safety Systems

Background:

  • Accurate fire localization is critical for large-space buildings.
  • Existing methods may lack precision in complex environments.

Purpose of the Study:

  • To propose novel dynamic optimization methods for fire localization.
  • To enhance the accuracy of determining fire source positions in large spaces.

Main Methods:

  • Developed two circular fire source arrangement localization methods based on dynamic optimization.
  • Implemented Range-Point-Range and Range-Range-Range frameworks.
  • Evaluated a dynamic angle bisector method.

Main Results:

  • The proposed methods effectively estimate fire source locations.
  • The Range-Range-Range method simultaneously determines circle center and radius.
  • Simulations demonstrated the methods' effectiveness and availability.

Conclusions:

  • Dynamic optimization offers a robust approach to fire localization.
  • The presented methods provide accurate solutions for large-space buildings.
  • These techniques can significantly improve fire detection and response systems.