电磁悬挂系统与柔性框架相结合的稳定性分析:建模,控制,分析和实验
Xiaohao Chen1, Yi Cao2, Miao Li2
1Key Laboratory of Intelligent Operation and Maintenance Technology and Equipment for Urban Rail Transit of Zhejiang Province, Zhejiang Normal University, Jinhua, Zhejiang, China; College of Engineering, Zhejiang Normal University, Jinhua, Zhejiang, China.
ISA transactions
|November 15, 2024
概括
这项研究解决了灵活结构的电磁悬挂稳定性挑战. 实验验证证证实了用于改进工程应用的理论分析.
科学领域:
- 控制工程 控制工程 控制工程
- 机械工程 机械工程
- 应用物理 应用物理
背景情况:
- 电磁悬挂 (EMS) 技术面临着稳定性挑战,特别是与灵活的结构相结合时,增加了系统复杂性.
- 了解EMS和灵活结构之间的合动态对于实际应用至关重要.
研究的目的:
- 研究电磁悬挂系统与柔性结构相结合的稳定性.
- 在这样的系统中推导出Hopf分叉的条件.
- 通过实验分析验证理论发现.
主要方法:
- 设计和建造一个带有电磁体和可调节刚度和惯性的模拟柔性结构的实验装置.
- 应用理论框架,包括利亚普诺夫法,中央多样数定理和庞卡雷法.
- 实验设计和数据分析,以验证理论预测.
主要成果:
- 电磁悬挂系统与柔性结构之间的合条件的描述.
- 结合系统的稳定性标准和Hopf分叉条件的推导.
- 理论稳定性分析的实验验证.
结论:
- 灵活结构的电磁悬浮稳定性的理论分析得到了实验结果的验证.
- 这些发现为工程应用和推广电磁悬挂系统提供了宝贵的参考资料.
- 这项研究有助于克服复杂的EMS应用中的关键稳定性挑战.
相关概念视频
Stability of structures
156
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
156
Cable Subjected to a Distributed Load
646
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.
646
Stability of Equilibrium Configuration: Problem Solving
585
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
Problem-solving in the context of the stability of equilibrium configuration...
585
Static Equilibrium - II
8.4K
Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or system are both zero. This means that both the linear and angular accelerations are zero. Thus, the object is at rest, or its center of mass is moving at a constant velocity. However, this does not mean that no forces are acting on the object within the system. In fact, there are very few scenarios on Earth in which no forces are acting upon...
8.4K
Cable Subjected to Concentrated Loads
797
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.
797
Frames: Problem Solving I
420
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.
420


