冗余电磁执行器的多目标优化配置,用于对活性磁轴承系统的耐故障控制
Shuai Deng1, Xin Cheng2, Huachun Wu2
1School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan, China.
ISA transactions
|July 6, 2023
概括
本研究提出了一个新的框架,用于在活性磁轴承 (AMB) 系统中配置电磁执行器 (EMA),以提高故障耐受性. 该方法优化了EMA配置,以提高系统可靠性和故障条件下的性能.
科学领域:
- 控制工程 控制工程 控制工程
- 机械电子学是什么意思 机械电子学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 活性磁轴承 (AMB) 系统需要耐故障的控制策略来确保操作可靠性.
- 在AMB系统中的电磁执行器 (EMA) 容易发生故障,需要强大的配置方法.
- 在容错AMB系统中用于EMA配置的现有方法涉及复杂的,高维的非线性优化问题.
研究的目的:
- 在耐故障AMB系统中开发EMA多目标优化配置 (MOOC) 的一般框架.
- 结合先进的优化算法,以实现高效和多样化的解决方案搜索.
- 在4-DOF AMB平台上通过数值模拟和实验测试来验证拟议的框架.
主要方法:
- 整合非主导排序基因算法III (NSGA-III) 和MOOC的顺序二次编程 (SQP).
- 在优化框架内系统地设计目标并处理复杂的约束.
- 通过类似于理想解决方案 (TOPSIS) 来选择最佳配置的订单偏好技术的应用.
主要成果:
- 开发的框架成功地搜索了非劣质的EMA配置,证明了可行性.
- 数字模拟揭示了非线性优化模型变量对AMB性能的影响.
- 在4-DOF AMB平台上的实验验证证证了所识别的配置的有效性.
结论:
- 拟议的MOOC框架为AMB系统的故障耐受性控制提供了一种新有效的方法.
- 该方法在解决EMA/放大器故障方面提供了良好的性能和高可靠性.
- 这项工作为关键AMB应用中具有挑战性的EMA MOOC问题提供了强有力的解决方案.
更多相关视频
08:59Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
Published on: June 13, 2022
2.6K
11:44Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
Published on: August 15, 2014
10.4K
相关概念视频
01:24Bearings: Problem Solving
308
Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of these components in various applications. By analyzing the bearing under different conditions, one can ensure that it can withstand the forces and moments experienced during operation. This knowledge enables better decision-making when designing and selecting bearings for specific purposes and configurations. Consider a double-collar bearing with...
308
01:25Multimachine Stability
197
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
197
01:22Mechanical Systems
243
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
243
01:17Magnetic Damping
502
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
502
01:10Control Systems
1.2K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.2K
01:14Stability of structures
196
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,...
196