适应神经网络 强大的FOG控制与输出约束
Shangbo Liu1, Baowang Lian1, Jiajun Ma2
1School of Electronics and Information, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an 710072, China.
Biomimetics (Basel, Switzerland)
|June 25, 2025
概括
本研究介绍了一种使用辐射基函数神经网络 (RBFNN) 进行高精度惯性导航的自适应性强有力的控制方法. 该方法通过在极端条件下减轻非线性错误和外部干扰来提高飞机跟踪的准确性.
科学领域:
- 控制系统工程 控制系统工程
- 人工智能的人工智能
- 航空航天工程 航空航天工程
背景情况:
- 飞机惯性导航系统面临非线性错误和外部干扰的挑战,特别是在高动态和振动下.
- 传统的控制方法在极端操作条件下难以保持高跟踪精度.
- 光纤陀螺仪易受非线性误差和外部干扰的影响,影响导航精度.
研究的目的:
- 提出一种适应性强大的控制方法,以提高飞机惯性导航系统的跟踪精度.
- 在极端的工作条件下解决非线性误差和未知扰动的局限性.
- 通过先进的控制策略,为高精度惯性导航提供一种新的解决方案.
主要方法:
- 发展光纤陀螺仪非线性误差的动态模型.
- 一个未知的外部干扰观察器的设计,用于干扰估计.
- 使用辐射基函数神经网络 (RBFNN) 实现适应性强大的控制规律.
- 基于实时错误状态的控制器参数的在线调整,超越传统的有限近似域.
- 集成输出约束机制以确保动态稳定性.
主要成果:
- 拟议的基于RBFNN的自适应稳健控制方法有效地减少了非线性错误和未知扰动的影响.
- 控制器表现出对非线性错误和外部干扰的增强稳定性.
- 在输出约束下保证了系统的动态稳定性.
- 模拟分析验证了拟议的控制策略的有效性.
结论:
- 基于RBFNN的自适应性稳健控制方法为高精度惯性导航提供了新的解决方案.
- 这种方法成功地减轻了非线性错误和外部干扰,在苛刻的飞机条件下提高了跟踪精度.
- 这项工作通过智能控制技术提高了惯性导航系统的稳定性和稳定性.
相关概念视频
Neural Control of Respiration
3.0K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
3.0K
Neural Regulation
40.4K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
40.4K
Open and closed-loop control systems
1.0K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.0K
Distributed Loads: Problem Solving
744
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...
744
Control Systems
1.4K
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...
1.4K
Multi-input and Multi-variable systems
152
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...
152

