基于GPS数据的电路网络的物理类比描述人类的移动性
Zhihua Zhong1, Hideki Takayasu1,2, Misako Takayasu3
1School of Computing, Tokyo Institute of Technology, 4259, Nagatsutachō, Midori Ward, Yokohama, 226-8503, Japan.
Scientific reports
|June 11, 2024
概括
研究人员开发了一种修订后的电路模型 (RECM) 来量化城市人类的流动性,将人们视为带电粒子. 这种以物理为灵感的方法增强了对人类流动模式和城市动态的分析.
科学领域:
- 城市科学 城市科学
- 计算物理 计算物理
- 网络科学 网络科学
背景情况:
- 人类在城市的流动性是复杂的,有不同的来源,目的地和运输方式.
- 人类流动性的定量描述对于应对城市科学挑战至关重要.
- 现有的模型可能缺乏大规模城市分析的普遍性和计算效率.
研究的目的:
- 引入一个新的修订电路模型 (RECM) 来量化城市人类流动性.
- 提高电路模型的人类移动性的普遍性,可用性和计算效率.
- 开发一个以物理为灵感的路线生成模型 (RGM) 来模拟人类流动模式.
主要方法:
- 从电磁学中适应概念,例如人类导电性和潜力,以建模人类运动.
- 引入了标准化的单位系统,以确保计算的独特性,并将计算成本比原始ECM降低10,000倍.
- 开发了一种路线生成模型 (RGM) 来模拟原点-目的地流动并确定最佳路线.
主要成果:
- 在日本各大城市中,RECM的普遍性和适用性得到了改善.
- 与原来的电路模型 (ECM) 相比,计算成本显著降低 (1/10,000).
- 成功模拟人类流动模式和在指定的来源和目的地之间生成路线.
结论:
- RECM提供了一种更普遍,更有效,更易于使用的方法来建模城市人类流动性.
- 这种以物理为灵感的框架为分析复杂的城市动态和人类流动提供了新的工具.
- 这些进展预计将为各种城市科学问题提供新的解决方案.
相关概念视频
Field Application of Global Positioning System
42
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
42
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
27
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
27
Introduction to Global Positioning System
55
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
55
Circuit Terminology
636
An electrical network is a system composed of interconnected elements, such as resistors, capacitors, inductors, and voltage or current sources. Unlike a circuit, an electrical network does not necessarily form a closed path. In other words, while all circuits can be considered networks due to their interconnected nature, not every network qualifies as a circuit.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
636
Types of Global Positioning System Surveys
55
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
55
Hierarchy of Motor Control
2.6K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
2.6K


