感应内陆水域以促进安全航行:在阿维罗的湖的一个案例研究
Diogo Miguel Carvalho1, João Miguel Dias2, Jorge Ferraz de Abreu1
1DIGIMEDIA-Digital Media and Interaction Research Centre, Department of Communication and Arts, University of Aveiro, 3810-193 Aveiro, Portugal.
Sensors (Basel, Switzerland)
|December 17, 2024
概括
本研究介绍了一种低成本的物联网系统,用于实时的海上数据共享,提高内陆和沿海水域的安全. 该系统提供关键的导航信息,帮助船舶避免危险,提高运营效率.
科学领域:
- 海上安全的航行.
- 物联网 (IoT) 的物联网 (IoT) 的物联网.
- 水文图学 水文图学
背景情况:
- 海上航行面临的风险是不充分的浮标和过时的地图,特别是在复杂的内陆和沿海水域.
- 国际水文组织 (IHO) 指出,高成本和传统方法阻碍了水度数据的更新,影响了安全和社会经济因素.
- 在内陆水域的浅处,没有信号的潮区会给航行带来挑战,这些挑战取决于潮高度,船只的引力和当地知识.
研究的目的:
- 引入一个低成本的海事数据共享系统,利用物联网 (IoT) 技术.
- 为了实现气象和海洋数据的收集和实时共享,以提高导航效率.
- 为应对内陆和沿海水域的特殊航行挑战,包括Ria de Aveiro湖.
主要方法:
- 使用物联网技术开发低成本的海事数据共享系统.
- 实施一个上下文设计方法,专注于水手的需求.
- 在Ria de Aveiro湖中进行的案例研究,以测试该系统的有效性.
主要成果:
- 该系统成功地收集和共享气象和海洋数据,包括深度,潮高度,风向和风速.
- 实时数据共享允许船舶预测机动,大大提高了航行安全.
- 证明了在内陆和沿海航行环境中提高海上安全的潜力.
结论:
- 开发的物联网系统为改善海上安全提供了可行的,低成本的解决方案.
- 实时数据共享对于导航复杂的水道和减轻风险至关重要.
- 该系统通过上下文设计专注于用户需求,确保了水手的实际应用.
关键词:
在 ESP8266 中使用.物联网系统物联网系统物联网系统.拉斯伯派 (Raspberry Pi) 是一款非常有价值的小米电脑.物联网的东西互联网.海洋社区的海洋社区.海事数据海事数据气象数据 气象数据安全的航行安全的航行更多相关视频
相关概念视频
States of Water
Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
Buoyancy
When an object is placed in a fluid, it either floats or sinks. All objects in a fluid experience a buoyant force. For example, a metal ball sinks, while a rubber ball floats. Similarly, a submarine can sink and float by adjusting its buoyancy. The concept of buoyancy raises several interesting questions. For instance, where does this buoyant force come from? How much buoyant force is required to make an object sink or float? Do objects that sink get any support at all from the fluid?
To get...
To get...
Quality of Water
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
Testing Water Quality
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
Buoyancy and Stability for Submerged and Floating Bodies
In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...
Marine Microbial Ecology
Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...


