相关实验视频
Updated: Jul 6, 2025

10:09
Operation of the Collaborative Composite Manufacturing CCM System
Published on: October 1, 2019
6.6K
关于可持续协作调度问题的研究 曲轴元件的多阶段混合流量车间的可持续协作调度问题
Liang Nie1, Qinglei Zhang2, Mengyu Feng1
1China Institute of FTZ Supply Chain, Shanghai Maritime University, Pudong, Shanghai, 201306, China.
Scientific reports
|January 3, 2024
概括
本研究引入了用于曲轴制造的可持续协作调度方法,显著减少碳排放并提高生产效率. 开发的算法性能优于现有方法,有助于制造业的可持续发展.
科学领域:
- 制造业 工程 制造工程
- 环境科学 环境科学
- 运营研究 运营研究
背景情况:
- 曲轴制造涉及多个阶段 (加工,单/双克),产生大量的碳排放.
- 重型工件的运输进一步有助于环境影响.
- 制造业的可持续发展至关重要,与低碳能源倡议有关.
研究的目的:
- 针对曲轴组件的多阶段混合流量车间的可持续协作调度.
- 开发一个多目标优化模型,尽量减少制造时间和碳排放.
- 提高生产效率和促进可持续的制造实践.
主要方法:
- 构建一个多目标整数优化模型.
- 开发一个混合算法,集成火焰优化 (MFO) 和NSGA-III.
- 对拟议的算法进行对NSGA-III,NSGA-II,MOEA/D和MOPSO进行比较分析.
主要成果:
- 与其他算法相比,集成的MFO-NSGA-III算法显示出更高的优化效率.
- 协作调度显著提高制造业企业的可持续发展.
- 案例实验表明,每年碳排放可能减少约3.6.
结论:
- 提出的可持续协作调度模型和算法有效减少了曲轴制造中的环境影响.
- 协作调度是实现制造业可持续发展的关键策略.
- 这项研究为优化生产和最小化复杂制造过程中的碳足迹提供了可行的解决方案.
相关概念视频
Design of Transmission Shafts - Stress Analysis
370
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
370
Design of Transmission Shafts
301
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by...
301
Stress Concentrations in Circular Shafts
178
Consider the elastic torsion formula, which applies to a circular shaft with a consistent cross-section. This formula assumes that the shaft's ends are loaded with rigid plates firmly attached. However, in many cases, torques are applied to the shaft through mechanisms like flange couplings or gears, which are connected by keys inserted into keyways. This application method modifies the stress distribution near the point of torque application, causing it to deviate from the distributions...
178
Transmission Shafts: Problem Solving
240
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
Next, use bending moment diagrams for the shaft to...
240
Distributed Loads: Problem Solving
646
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
646
Residual Stresses in Circular Shafts
176
In materials that exhibit elastic and plastic behavior, known as elastoplastic materials, residual stresses can accumulate when these materials experience plastic deformation. This deformation arises from either high levels of shearing stress or significant strains. Residual stresses are internal stresses that persist within a material after removing the external force causing deformation. This phenomenon is demonstrated when observing the behavior of a shaft under torque; notably, the...
176

