多个无人机的分布式协调运动控制以优化空地中继网络为导向
1School of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, China. taocancan@buaa.edu.cn.
Scientific reports
|December 29, 2024
概括
本研究介绍了多个无人机作为通信中继的自适应控制方法. 该方法通过优化无人机位置来提高地面车辆的网络连接和通信性能.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 无线通信无线通信
- 网络工程 网络工程
背景情况:
- 协调多个无人驾驶飞行器 (UAV) 进行通信中继,由于用户的移动性不可预测,对信号传播的环境影响和位置数据有限,因此存在挑战.
- 现有的方法往往难以将这些动态因素整合到无人机继电器的有效运动控制策略中.
研究的目的:
- 为多个无人机通信中继系统开发一种基于自适应模型的新型运动控制方法.
- 提高地面移动网络的网络连接性和通信性能.
- 解决无人机协调的复杂性,包括未知的用户流动性和环境道效应.
主要方法:
- 利用图形理论和最小跨度树来构建网络连接,并定义通信性能指数.
- 实施了多无人机运动控制策略,结合了改进的粒子群优化 (IPSO) 和分布式非线性模型预测控制 (DNMPC).
- 采用卡尔曼波器来估计移动地面节点的未来位置.
主要成果:
- 模拟演示了该方法引导无人机到最佳中继位置或有效追踪无人机的能力.
- 在简单和复杂的模拟环境中观察到网络性能显著改善.
- 该研究证实了在无人机中继控制中考虑对通道特性的环境影响的重要性.
结论:
- 拟议的基于自适应模型的运动控制方法成功地提高了多无人机通信中继的性能.
- 综合方法有效地管理复杂的变量,如流动性,环境因素和协调.
- 这项研究提供了一个强大的解决方案,用于改进使用无人机中继的无线通信网络.
相关概念视频
Absolute Motion Analysis- General Plane Motion
191
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
191
One-Degree-of-Freedom System
434
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...
434
Distributed Loads: Problem Solving
588
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...
588
Directional Relays
69
Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
69
Distributed Loads
464
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
464
Multi-input and Multi-variable systems
84
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...
84


