故障诊断的自动设计 卫星态度控制系统的CNN网络
IEEE transactions on cybernetics
|May 3, 2024
概括
使用新的CNN架构进行监督异常检测,改善卫星态度控制系统故障诊断. 对于关键卫星组件,MPSO-ACBCNN方法提供了更高的准确性和效率.
科学领域:
- 太空飞船工程 太空飞船工程
- 人工智能的人工智能
- 错误诊断 错误诊断 错误诊断 是一个
背景情况:
- 无监督和自我监督的方法主导着卫星故障诊断.
- 监督方法在敏感性和部署方面为ACS等子系统提供了优势.
- 现有的CNN设计在准确性和卫星ACS故障诊断的过度设计方面面临挑战.
研究的目的:
- 介绍一个新的CNN架构用于卫星态度控制系统 (ACS) 故障诊断.
- 为解决当前基于CNN的故障诊断方法中的过度设计和准确性问题.
- 开发一个优化的CNN模型,用于高灵敏度和轻量级故障检测.
主要方法:
- 开发了基于高级卷积块的CNN (ACBCNN),具有高效的设计元素和密集的连接.
- 引入了修改的粒子群集优化-ACBCNN (MPSO-ACBCNN) 算法,用于优化ACBCNN架构.
- 实施的适应性设计平衡参数数量和训练有效性,以及在MPSO内可行的解决方案的方法.
主要成果:
- ACBCNN架构增强了从功率光谱密度 (PSD) 图表中的特征提取.
- MPSO-ACBCNN算法有效地优化了ACS故障诊断的CNN.
- 数字实验证实了MPSO-ACBCNN方法的有效性和优越性.
结论:
- MPSO-ACBCNN方法为卫星ACS故障诊断提供了一种优越的方法.
- 这种方法实现了对关键子系统的高灵敏度检测和轻量化部署.
- 拟议的方法克服了现有的CNN设计在卫星故障诊断方面的局限性.
相关概念视频
Control Systems
1.1K
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...
1.1K
Controller Configurations
94
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
94
Multi-input and Multi-variable systems
106
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
106
PD Controller: Design
222
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
222
PI Controller: Design
251
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
251
Control Systems: Applications
603
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
603


