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基于数字双胞胎的可重新配置机器人组装单元的动态布局优化多代理合作群学习
Likun Wang1, Zi Wang1, Kevin Gumma1
1Centre for Aerospace Manufacturing, University of Nottingham, Advanced Manufacturing Building, Nottingham, Nottinghamshire NG7 2GX UK.
概括
一个新的多代理合作群学习框架优化了使用3D数字双胞胎进行重新配置的机器人组装单元布局. 这种方法显著减少了布局尺寸,生产时间和重新排列成本,同时确保可行的机器人路径.
科学领域:
- 制造业 工程 制造工程
- 机器人技术 机器人技术 机器人技术
- 人工智能的人工智能
背景情况:
- 可重新配置的制造系统 (RMS) 对于处理产品多样性和动态市场需求至关重要.
- 当前的RMS布局设计往往简化了自主设备,并接近了重叠和运输距离等关键问题.
- 动态工厂布局优化对于RMS适应结构,软件,硬件和能力变化至关重要.
研究的目的:
- 引入一种新的多代理合作群学习框架,用于对可重新配置的机器人组装单元进行动态布局优化.
- 在优化过程中利用3D数字双胞胎表示来实现更准确的设施建模.
- 通过使用分散的多代理方法来解决布局挑战,而不是传统的集中学习.
主要方法:
- 开发一个多代理合作群学习框架.
- 在视觉组件中建立一个数字双胞胎环境,由TWINCAT控制,用于设施建模.
- 实施一个去中心化的学习方法来优化布局.
- 通过两个航空航天制造业用例进行验证.
主要成果:
- 在第一次使用的情况下,实现了3.8倍的布局紧性和2.3倍的模拟生产时间的减少.
- 降低了33.4%的重新安排成本,并确保了可行的机器人路径,没有联合限制,可达性或奇点问题.
- 通过在第二个用例中修改权重参数,证明了学习目标 (紧性,成本,时间) 的灵活调整.
结论:
- 拟议的框架为可重新配置的机器人组装单元中的动态布局优化提供了有效的解决方案.
- 使用3D数字双胞胎和多代理系统可以提高布局设计的准确性和灵活性.
- 该框架已被验证用于航空航天制造业的实际应用,显示了效率和成本的显著改善.
相关概念视频
Two-Dimensional Force System: Problem Solving
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
Three-Dimensional Force System:Problem Solving
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
Distributed Loads: Problem Solving
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...
Statically Indeterminate Problem Solving
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
Sequence Networks of Rotating Machines
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...

