使用影响系数方法识别码头泊电缆中的静态负荷
Jia Zhou1,2, Changshi Xiao1, Langxiong Gan1
1School of Navigation, Wuhan University of Technology, Wuhan 455063, China.
Sensors (Basel, Switzerland)
|September 27, 2025
概括
本研究介绍了一种间接方法,用于测量使用杆应变的固定电缆静态负荷. 该方法通过最佳的应变量表放置和遗传算法提高了准确性,为实时监测提供了可靠的框架.
科学领域:
- 海军建筑和海洋工程.
- 结构健康监测 结构健康监测
- 机械工程 机械工程
背景情况:
- 在码头直接测量船只上的泊电缆负载存在重大实际困难.
- 准确监测泊力量对于海上安全和运营效率至关重要.
研究的目的:
- 开发和验证一种间接方法来识别系电缆的静态负荷.
- 通过优化传感器放置和数据处理,提高负载测量的准确性.
主要方法:
- 对杆的有限元素分析 (FEA) 确定单位负载下的应变分布.
- 基因算法 (GA) 用于优化张力计的位置和方向.
- 影响系数矩阵 (ICM) 方法,以与泊电缆负载相关联.
主要成果:
- 一个数值案例研究证实了间接负载识别方法的可行性和高准确性.
- 实验验证在各种条件下证明了该方法的可靠性.
- 导出的负载系数矩阵有效地将测量的应变与电缆负载相关联.
结论:
- 拟议的间接方法为测量系电缆静态负荷提供了一种有效和可靠的方法.
- 这项研究提供了一个技术框架,用于实时监测泊电缆的电压.
- 该技术解决了在海上运营中直接测量载荷的实际挑战.
更多相关视频
07:15A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli
Published on: December 11, 2014
14.2K
11:25A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules
Published on: October 11, 2017
9.8K
相关概念视频
Cable Subjected to a Distributed Load
1.1K
The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
1.1K
Cable: Problem Solving
641
When dealing with a cable that is fixed to two supports and subjected to uniform loading, it is crucial to determine the maximum tension in the cable. This process can be broken down into several key steps, as outlined below:
641
Cable Subjected to Concentrated Loads
1.4K
Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
1.4K
Cable Subjected to Its Own Weight
778
Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
778
Frames: Problem Solving I
943
Consider a jib crane with an external load suspended from the pulley. The dimensions of the crane members are shown in the figure. A systematic analysis of the frame structure is required to determine the reaction forces at the pin joints, assuming that the pulleys are frictionless.
943
Internal Loadings in Structural Members: Problem Solving
1.7K
When designing or analyzing a structural member, it is important to consider the internal loadings developed within the member. These internal loadings include normal force, shear force, and bending moment. Engineers can ensure that the structural member can support the applied external forces by calculating these internal loadings.
To illustrate this, let's consider a beam OC of 5 kN, inclined at an angle of 53.13° with the horizontal and supported at both ends. Determine the internal...
To illustrate this, let's consider a beam OC of 5 kN, inclined at an angle of 53.13° with the horizontal and supported at both ends. Determine the internal...
1.7K
