通过实时交通数据实现动态距离-时间转换因子,以提高韩国的城市流动性和服务可访问性
Solhee Kim1, Taegon Kim1,2, Jeongbae Jeon3
1Department of Smart Farm, College of Agriculture & Life Sciences, Jeonbuk National University, Jeonju, Jeonbuk State, South Korea.
PloS one
|September 4, 2025
概括
这项研究引入了一个新的距离-时间转换系数 (DCF),用于更智能的区域规划,以改善公共服务的获取. 通过使用区域数据,更好地估计出行时间,尤其是在城市人口密集地区.
科学领域:
- 城市规划
- 地理信息系统 (GIS)
- 运输工程
背景情况:
- 传统的公共服务规划通常采用统一的位置策略.
- 现有的方法难以解释旅行时间和可访问性的区域差异.
- 密集的城市地区对公平的公共服务分配提出了独特的挑战.
研究的目的:
- 开发一个改进的智能区域规划方法,重点是公共服务的可访问性.
- 引入城市级距离-时间转换系数 (DCF) 以更准确地估计行程时间.
- 增强现有的智能公共服务规划框架,并提供特定区域的见解.
主要方法:
- 开发城市级距离时间转换系数 (DCF).
- 整合公路网络距离,欧几里德距离和最低行程时间 (考虑到速度限制和交通).
- 使用电路因子 (CF) 和延迟因子 (DF) 构建DCF.
主要成果:
- 确定DCF值较高的地区,特别是在主要的大都市地区.
- 对于人口密集地区,DCF指标是关键指标.
- 与传统的统一位置规划方法相比,有明显的改进.
结论:
- 提供更直观的旅行时间和距离估计,用于公共服务规划.
- 通过DCF集成实时流量数据对于高需求地区至关重要.
- 倡导为高效公共服务提供量身定制的区域性基础设施建设.
相关概念视频
01:17Design Example: Alignment of a Road Line Using GIS
103
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
103
01:15Distance Corrections
81
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
81
02:12Short-distance Transport of Resources
16.5K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
16.5K
02:01Factorial Design
13.3K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.3K
01:10Design Example: Measuring Distance Between Two Points with Obstructions
118
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
118
01:15Kinematic Equations: Problem Solving
13.4K
When analyzing one-dimensional motion with constant acceleration, the problem-solving strategy involves identifying the known quantities and choosing the appropriate kinematic equations to solve for the unknowns. Either one or two kinematic equations are needed to solve for the unknowns, depending on the known and unknown quantities. Generally, the number of equations required is the same as the number of unknown quantities in the given example. Two-body pursuit problems always require two...
13.4K