高端设备的低碳结构设计的综合MADM基于属性减少,考虑到不完全的间隔不确定性
Zhaoxi Hong1,2, Kaiyue Cui3, Yixiong Feng2,4
1Ningbo Innovation Center, Zhejiang University, Ningbo, 315100, People's Republic of China.
Scientific reports
|August 23, 2024
概括
本研究介绍了一种集成的多属性决策 (MADM) 方法,用于高端设备的低碳结构设计. 它解决了复杂的数据挑战,以优化设计以减少环境影响.
科学领域:
- 工程 工程师 工程师 工程师
- 环境科学 环境科学
- 决策科学 决策科学 决策科学
背景情况:
- 越来越多的能源和环境压力需要低碳制造.
- 高端设备设计需要多属性决策 (MADM) 来实现最佳的结构方案.
- 现有的MADM方法在许多属性,不完整的低碳考虑和不确定的/不完整的数据方面扎.
研究的目的:
- 为高端设备的低碳结构设计提出一个集成的MADM方法.
- 在决策中解决属性减少和不完全间隔的不确定性.
- 加强选择最佳的低碳结构设计.
主要方法:
- 降低属性,以确定一个最小的,全面的低碳属性集.
- 使用协作过算法来处理丢失的数据.
- 整合间隔粗略数字 (IRNs) 与DEMATEL-ANP (DANP) 和MABAC用于计划排名.
主要成果:
- 成功降低了低碳结构设计的属性集.
- 有效地管理语言模糊性,间隔不确定性和数据不完整性.
- 提供了一种强大的排名和选择最佳设计的方法,通过案例研究来验证.
结论:
- 拟议的综合MADM方法有效地处理复杂的数据,以实现低碳结构设计.
- 属性减少和IRN集成提高决策准确性和效率.
- 该方法为优化高端设备设计以实现可持续性提供了一种有价值的工具.
相关概念视频
Internal Loadings in Structural Members: Problem Solving
1.3K
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...
1.3K
Design Consideration
182
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
The factor of safety is another key...
182
Unsymmetric Loading of Thin-Walled Members: Problem Solving
96
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
96
Constraints and Statical Determinacy
592
In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
592
Design Example: Dimensioning of Concrete Masonry Construction
92
For the construction of a storeroom using concrete masonry units, it's essential to align the dimensions of the structure with the actual sizes of the blocks and the intended mortar joints. On the site in question, there's a stockpile of concrete masonry blocks with a nominal size of eight by eight by sixteen inches, which are to be used in the construction of the storeroom.
The site engineer has laid out a plan for the storeroom with external dimensions of twelve feet in length and...
The site engineer has laid out a plan for the storeroom with external dimensions of twelve feet in length and...
92
Propagation of Uncertainty from Systematic Error
490
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
490


