基于学习的模块化无人系统的坐标控制通过非零和游戏
Yebao Liu1, Tianjiao An2, Jianguo Chen1
1Aerospace Times Feihong Technology Company Limited, Beijing 130012, China.
Sensors (Basel, Switzerland)
|January 25, 2025
概括
本研究介绍了模块化无人系统 (MUS) 的事件触发增强学习 (ETRL),将位置错误减少30%和控制扭矩减少10%,同时最大限度地减少通信需求.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 人工智能的人工智能
- 优化技术 优化技术
背景情况:
- 模块化无人系统 (MUS) 的协调控制需要尽量减少位置误差和控制扭矩.
- 现有方法面临的挑战是传感器和执行器之间的通信负担.
- 事件触发机制提供了一种减少通信负载的方法.
研究的目的:
- 为MUS提出基于事件触发强化学习 (ETRL) 的坐标控制策略.
- 利用非零和游戏 (NZSG) 策略,将控制问题转化为强化学习 (RL) 问题.
- 为了减少通信负担并提高控制性能.
主要方法:
- 使用联合扭矩反 (JTF) 技术建立了MUS的动态模型.
- 应用了NZSG策略,将控制问题作为RL任务.
- 使用事件触发 (ET) 机制来避免定期通信.
- 使用ET-关键神经网络 (NN) 来近似性能指数函数并导出ETRL策略.
- 使用Lyapunov定理验证了闭环系统的稳定性.
主要成果:
- 拟议的ETRL方法有效控制模块化无人驾驶系统.
- 实验结果显示,与现有方法相比,位置误差减少了30%.
- 控制扭矩减少了10%.
结论:
- 基于ETRL的坐标控制策略对MUS有效和有效.
- 该方法成功地减少了位置误差和控制扭矩.
- 事件触发机制显著减轻了通信负担.
相关概念视频
One-Degree-of-Freedom System
460
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
460
Two-Dimensional Force System: Problem Solving
539
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...
539
Control System Problem
98
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
98
Three-Dimensional Force System:Problem Solving
622
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...
622
Open and closed-loop control systems
627
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...
627
Multi-input and Multi-variable systems
94
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...
94


